0.5.0 - Rewritten downloads, many bugfixes

README.md

@@ -28,6 +28,7 @@ Compile:
 flutter pub get
 flutter build apk
 ```  
+NOTE: You have to use own keys, or build debug using `flutter build apk --debug`
 
 ## Telegram group
 https://t.me/freezerandroid
@@ -46,6 +47,11 @@ Diego Hiro: Portuguese
 Annexhack: Russian  
 Chino Pacia: Filipino  
 ArcherDelta & PetFix: Spanish  
+Shazzaam: Croatian  
+VIRGIN_KLM: Greek  
+koreezzz: Korean    
+Fwwwwwwwwwweze: French    
+kobyrevah: Hebrew   
 
 ### just_audio, audio_service
 This app depends on modified just_audio and audio_service plugins with Deezer support.  

android/app/src/main/AndroidManifest.xml

@@ -1,12 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     package="f.f.freezer">
-    <!-- io.flutter.app.FlutterApplication is an android.app.Application that
+
+    <!--
+     io.flutter.app.FlutterApplication is an android.app.Application that
          calls FlutterMain.startInitialization(this); in its onCreate method.
          In most cases you can leave this as-is, but you if you want to provide
          additional functionality it is fine to subclass or reimplement
-         FlutterApplication and put your custom class here. -->
-
+         FlutterApplication and put your custom class here.
+    -->
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
@@ -14,45 +17,59 @@
 
     <application
         android:name="io.flutter.app.FlutterApplication"
+        android:icon="@mipmap/ic_launcher"
         android:label="Freezer"
-        android:icon="@mipmap/ic_launcher">
+        android:usesCleartextTraffic="true">
+
+        <service
+            android:name=".DownloadService"
+            android:enabled="true"
+            android:exported="true">
+        </service>
+
         <activity
             android:name=".MainActivity"
-            android:launchMode="singleTop"
-            android:theme="@style/LaunchTheme"
             android:configChanges="orientation|keyboardHidden|keyboard|screenSize|smallestScreenSize|locale|layoutDirection|fontScale|screenLayout|density|uiMode"
             android:hardwareAccelerated="true"
+            android:launchMode="singleTop"
+            android:theme="@style/LaunchTheme"
             android:windowSoftInputMode="adjustResize">
-            <!-- Specifies an Android theme to apply to this Activity as soon as
+
+            <!--
+                 Specifies an Android theme to apply to this Activity as soon as
                  the Android process has started. This theme is visible to the user
                  while the Flutter UI initializes. After that, this theme continues
-                 to determine the Window background behind the Flutter UI. -->
+                 to determine the Window background behind the Flutter UI.
+            -->
             <meta-data
                 android:name="io.flutter.embedding.android.NormalTheme"
-              android:resource="@style/NormalTheme"
-              />
+                android:resource="@style/NormalTheme" />
 
-            <!-- Displays an Android View that continues showing the launch screen
+            <!--
+                 Displays an Android View that continues showing the launch screen
                  Drawable until Flutter paints its first frame, then this splash
                  screen fades out. A splash screen is useful to avoid any visual
                  gap between the end of Android's launch screen and the painting of
-                 Flutter's first frame. -->
+                 Flutter's first frame.
+            -->
             <meta-data
                 android:name="io.flutter.embedding.android.SplashScreenDrawable"
-              android:resource="@drawable/launch_background"
-              />
+                android:resource="@drawable/launch_background" />
+
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
+
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <!-- Don't delete the meta-data below.
-             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
+        <!--
+ Don't delete the meta-data below.
+             This is used by the Flutter tool to generate GeneratedPluginRegistrant.java
+        -->
         <meta-data
             android:name="flutterEmbedding"
             android:value="2" />
 
-
         <service android:name="com.ryanheise.audioservice.AudioService">
             <intent-filter>
                 <action android:name="android.media.browse.MediaBrowserService" />
@@ -65,8 +82,9 @@
             </intent-filter>
         </receiver>
 
-        <meta-data android:name="com.google.android.gms.car.application"
+        <meta-data
+            android:name="com.google.android.gms.car.application"
             android:resource="@xml/automotive_app_desc" />
-
     </application>
+
 </manifest>

android/app/src/main/java/f/f/freezer/Deezer.java

@@ -0,0 +1,352 @@
+package f.f.freezer;
+
+import android.util.Log;
+
+import org.jaudiotagger.audio.AudioFile;
+import org.jaudiotagger.audio.AudioFileIO;
+import org.jaudiotagger.tag.FieldKey;
+import org.jaudiotagger.tag.Tag;
+import org.jaudiotagger.tag.TagOptionSingleton;
+import org.jaudiotagger.tag.datatype.Artwork;
+import org.jaudiotagger.tag.flac.FlacTag;
+import org.jaudiotagger.tag.id3.ID3v23Tag;
+import org.jaudiotagger.tag.id3.valuepair.ImageFormats;
+import org.jaudiotagger.tag.reference.PictureTypes;
+import org.json.JSONArray;
+import org.json.JSONObject;
+
+import java.io.BufferedInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.DataOutputStream;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.OutputStream;
+import java.io.RandomAccessFile;
+import java.net.URL;
+import java.nio.charset.StandardCharsets;
+import java.security.MessageDigest;
+import java.util.Arrays;
+import java.util.Map;
+import java.util.Scanner;
+
+import javax.crypto.Cipher;
+import javax.crypto.spec.SecretKeySpec;
+import javax.net.ssl.HttpsURLConnection;
+
+public class Deezer {
+
+    //Get guest SID cookie from deezer.com
+    public static String getSidCookie() throws Exception {
+        URL url = new URL("https://deezer.com/");
+        HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
+        connection.setConnectTimeout(20000);
+        connection.setRequestMethod("HEAD");
+        String sid = "";
+        for (String cookie : connection.getHeaderFields().get("Set-Cookie")) {
+            if (cookie.startsWith("sid=")) {
+                sid = cookie.split(";")[0].split("=")[1];
+            }
+        }
+        return sid;
+    }
+
+    //Same as gw_light API, but doesn't need authentication
+    public static JSONObject callMobileAPI(String method, String params) throws Exception{
+        String sid = Deezer.getSidCookie();
+
+        URL url = new URL("https://api.deezer.com/1.0/gateway.php?api_key=4VCYIJUCDLOUELGD1V8WBVYBNVDYOXEWSLLZDONGBBDFVXTZJRXPR29JRLQFO6ZE&sid=" + sid + "&input=3&output=3&method=" + method);
+        HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
+        connection.setConnectTimeout(20000);
+        connection.setDoOutput(true);
+        connection.setRequestMethod("POST");
+        connection.setRequestProperty("User-Agent", "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.130 Safari/537.36");
+        connection.setRequestProperty("Accept-Language", "*");
+        connection.setRequestProperty("Content-Type", "application/json");
+        connection.setRequestProperty("Accept", "*/*");
+        connection.setRequestProperty("Content-Length", Integer.toString(params.getBytes(StandardCharsets.UTF_8).length));
+
+        //Write body
+        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
+        wr.writeBytes(params);
+        wr.close();
+        //Get response
+        String data = "";
+        Scanner scanner = new Scanner(connection.getInputStream());
+        while (scanner.hasNext()) {
+            data += scanner.nextLine();
+        }
+
+        //Parse JSON
+        JSONObject out = new JSONObject(data);
+        return out;
+    }
+
+    //api.deezer.com/$method/$param
+    public static JSONObject callPublicAPI(String method, String param) throws Exception {
+        URL url = new URL("https://api.deezer.com/" + method + "/" + param);
+        HttpsURLConnection connection = (HttpsURLConnection)url.openConnection();
+        connection.setRequestMethod("GET");
+        connection.setConnectTimeout(20000);
+        connection.connect();
+
+        //Get string data
+        String data = "";
+        Scanner scanner = new Scanner(url.openStream());
+        while (scanner.hasNext()) {
+            data += scanner.nextLine();
+        }
+
+        //Parse JSON
+        JSONObject out = new JSONObject(data);
+        return out;
+    }
+
+    public static int qualityFallback(String trackId, String md5origin, String mediaVersion, int originalQuality) throws Exception {
+        //Create HEAD requests to check if exists
+        URL url = new URL(getTrackUrl(trackId, md5origin, mediaVersion, originalQuality));
+        HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
+        connection.setRequestMethod("HEAD");
+        int rc = connection.getResponseCode();
+        //Track not available
+        if (rc > 400) {
+            //Returns -1 if no quality available
+            if (originalQuality == 1) return -1;
+            if (originalQuality == 3) return qualityFallback(trackId, md5origin, mediaVersion, 1);
+            if (originalQuality == 9) return qualityFallback(trackId, md5origin, mediaVersion, 3);
+        }
+        return originalQuality;
+    }
+
+    //Generate track download URL
+    public static String getTrackUrl(String trackId, String md5origin, String mediaVersion, int quality) {
+        try {
+            int magic = 164;
+
+            ByteArrayOutputStream step1 = new ByteArrayOutputStream();
+            step1.write(md5origin.getBytes());
+            step1.write(magic);
+            step1.write(Integer.toString(quality).getBytes());
+            step1.write(magic);
+            step1.write(trackId.getBytes());
+            step1.write(magic);
+            step1.write(mediaVersion.getBytes());
+            //Get MD5
+            MessageDigest md5 = MessageDigest.getInstance("MD5");
+            md5.update(step1.toByteArray());
+            byte[] digest = md5.digest();
+            String md5hex = bytesToHex(digest).toLowerCase();
+
+            //Step 2
+            ByteArrayOutputStream step2 = new ByteArrayOutputStream();
+            step2.write(md5hex.getBytes());
+            step2.write(magic);
+            step2.write(step1.toByteArray());
+            step2.write(magic);
+
+            //Pad step2 with dots, to get correct length
+            while(step2.size()%16 > 0) step2.write(46);
+
+            //Prepare AES encryption
+            Cipher cipher = Cipher.getInstance("AES/ECB/NoPadding");
+            SecretKeySpec key = new SecretKeySpec("jo6aey6haid2Teih".getBytes(), "AES");
+            cipher.init(Cipher.ENCRYPT_MODE, key);
+            //Encrypt
+            StringBuilder step3 = new StringBuilder();
+            for (int i=0; i<step2.size()/16; i++) {
+                byte[] b = Arrays.copyOfRange(step2.toByteArray(), i*16, (i+1)*16);
+                step3.append(bytesToHex(cipher.doFinal(b)).toLowerCase());
+            }
+            //Join to URL
+            return "https://e-cdns-proxy-" + md5origin.charAt(0) + ".dzcdn.net/mobile/1/" + step3.toString();
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+        return null;
+    }
+
+    public static String bytesToHex(byte[] bytes) {
+        final char[] HEX_ARRAY = "0123456789ABCDEF".toCharArray();
+        char[] hexChars = new char[bytes.length * 2];
+        for (int j = 0; j < bytes.length; j++) {
+            int v = bytes[j] & 0xFF;
+            hexChars[j * 2] = HEX_ARRAY[v >>> 4];
+            hexChars[j * 2 + 1] = HEX_ARRAY[v & 0x0F];
+        }
+        return new String(hexChars);
+    }
+
+    //Calculate decryption key from track id
+    private static byte[] getKey(String id) {
+        String secret = "g4el58wc0zvf9na1";
+        String key = "";
+        try {
+            MessageDigest md5 = MessageDigest.getInstance("MD5");
+            //md5.update(id.getBytes());
+            byte[] md5id = md5.digest(id.getBytes());
+            String idmd5 = bytesToHex(md5id).toLowerCase();
+
+            for(int i=0; i<16; i++) {
+                int s0 = idmd5.charAt(i);
+                int s1 = idmd5.charAt(i+16);
+                int s2 = secret.charAt(i);
+                key += (char)(s0^s1^s2);
+            }
+        } catch (Exception e) {}
+        return key.getBytes();
+    }
+
+    //Decrypt 2048b chunk
+    private static byte[] decryptChunk(byte[] key, byte[] data) throws Exception{
+        byte[] IV = {00, 01, 02, 03, 04, 05, 06, 07};
+        SecretKeySpec Skey = new SecretKeySpec(key, "Blowfish");
+        Cipher cipher = Cipher.getInstance("Blowfish/CBC/NoPadding");
+        cipher.init(Cipher.DECRYPT_MODE, Skey, new javax.crypto.spec.IvParameterSpec(IV));
+        return cipher.doFinal(data);
+    }
+
+    public static void decryptTrack(String path, String tid) throws Exception {
+        //Load file
+        File inputFile = new File(path);
+        BufferedInputStream buffin = new BufferedInputStream(new FileInputStream(inputFile));
+        ByteArrayOutputStream buf = new ByteArrayOutputStream();
+        byte[] key = getKey(tid);
+        for (int i=0; i<(inputFile.length()/2048)+1; i++) {
+            byte[] tmp = new byte[2048];
+            int read = buffin.read(tmp, 0, tmp.length);
+            if ((i%3) == 0 && read == 2048) {
+                tmp = decryptChunk(key, tmp);
+            }
+            buf.write(tmp, 0, read);
+        }
+        //Save
+        FileOutputStream outputStream = new FileOutputStream(new File(path));
+        outputStream.write(buf.toByteArray());
+        outputStream.close();
+    }
+
+    public static String sanitize(String input) {
+        return input.replaceAll("[\\\\/?*:%<>|\"]", "").replace("$", "\\$");
+    }
+
+    public static String generateFilename(String original, JSONObject publicTrack, JSONObject publicAlbum, int newQuality) throws Exception {
+        original = original.replaceAll("%title%", sanitize(publicTrack.getString("title")));
+        original = original.replaceAll("%album%", sanitize(publicTrack.getJSONObject("album").getString("title")));
+        original = original.replaceAll("%artist%", sanitize(publicTrack.getJSONObject("artist").getString("name")));
+        //Artists
+        String artists = "";
+        String feats = "";
+        for (int i=0; i<publicTrack.getJSONArray("contributors").length(); i++) {
+            artists += ", " + publicTrack.getJSONArray("contributors").getJSONObject(i).getString("name");
+            if (i > 0)
+                feats += ", " + publicTrack.getJSONArray("contributors").getJSONObject(i).getString("name");
+        }
+        original = original.replaceAll("%artists%", sanitize(artists).substring(2));
+        if (feats.length() >= 2)
+            original = original.replaceAll("%feats%", sanitize(feats).substring(2));
+        //Track number
+        int trackNumber = publicTrack.getInt("track_position");
+        original = original.replaceAll("%trackNumber%", Integer.toString(trackNumber));
+        original = original.replaceAll("%0trackNumber%", String.format("%02d", trackNumber));
+        //Year
+        original = original.replaceAll("%year%", publicTrack.getString("release_date").substring(0, 4));
+
+        if (newQuality == 9) return original + ".flac";
+        return original + ".mp3";
+    }
+
+    //Tag track with data from API
+    public static void tagTrack(String path, JSONObject publicTrack, JSONObject publicAlbum, String cover) throws Exception {
+        TagOptionSingleton.getInstance().setAndroid(true);
+        //Load file
+        AudioFile f = AudioFileIO.read(new File(path));
+        boolean isFlac = true;
+        if (f.getAudioHeader().getFormat().contains("MPEG")) {
+            f.setTag(new ID3v23Tag());
+            isFlac = false;
+        }
+        Tag tag = f.getTag();
+
+        tag.setField(FieldKey.TITLE, publicTrack.getString("title"));
+        tag.setField(FieldKey.ALBUM, publicTrack.getJSONObject("album").getString("title"));
+        //Artist
+        for (int i=0; i<publicTrack.getJSONArray("contributors").length(); i++) {
+            tag.addField(FieldKey.ARTIST, publicTrack.getJSONArray("contributors").getJSONObject(i).getString("name"));
+        }
+        tag.setField(FieldKey.TRACK, Integer.toString(publicTrack.getInt("track_position")));
+        tag.setField(FieldKey.DISC_NO, Integer.toString(publicTrack.getInt("disk_number")));
+        tag.setField(FieldKey.ALBUM_ARTIST, publicAlbum.getJSONObject("artist").getString("name"));
+        tag.setField(FieldKey.YEAR, publicTrack.getString("release_date").substring(0, 4));
+        tag.setField(FieldKey.BPM, Integer.toString((int)publicTrack.getDouble("bpm")));
+        tag.setField(FieldKey.RECORD_LABEL, publicAlbum.getString("label"));
+        //Genres
+        for (int i=0; i<publicAlbum.getJSONObject("genres").getJSONArray("data").length(); i++) {
+            String genre = publicAlbum.getJSONObject("genres").getJSONArray("data").getJSONObject(0).getString("name");
+            tag.addField(FieldKey.GENRE, genre);
+        }
+
+        File coverFile = new File(cover);
+        boolean addCover = (coverFile.exists() && coverFile.length() > 0);
+
+        if (isFlac) {
+            //FLAC Specific tags
+            ((FlacTag)tag).setField("DATE", publicTrack.getString("release_date"));
+            ((FlacTag)tag).setField("TRACKTOTAL", Integer.toString(publicAlbum.getInt("nb_tracks")));
+            //Cover
+            if (addCover) {
+                RandomAccessFile cf = new RandomAccessFile(coverFile, "r");
+                byte[] coverData = new byte[(int) cf.length()];
+                cf.read(coverData);
+                tag.setField(((FlacTag)tag).createArtworkField(
+                    coverData,
+                    PictureTypes.DEFAULT_ID,
+                    ImageFormats.MIME_TYPE_JPEG,
+                    "cover",
+                    1400,
+                    1400,
+                    24,
+                    0
+                ));
+            }
+        } else {
+            if (addCover) {
+                Artwork art = Artwork.createArtworkFromFile(coverFile);
+                tag.addField(art);
+            }
+        }
+
+        //Save
+        AudioFileIO.write(f);
+    }
+
+    //Create JSON file, privateJsonData = `song.getLyrics`
+    public static String generateLRC(JSONObject privateJsonData, JSONObject publicTrack) throws Exception {
+        String output = "";
+
+        //Create metadata
+        String title = publicTrack.getString("title");
+        String album = publicTrack.getJSONObject("album").getString("title");
+        String artists = "";
+        for (int i=0; i<publicTrack.getJSONArray("contributors").length(); i++) {
+            artists += ", " + publicTrack.getJSONArray("contributors").getJSONObject(i).getString("name");
+        }
+        //Write metadata
+        output += "[ar:" + artists.substring(2) + "]\r\n[al:" + album + "]\r\n[ti:" + title + "]\r\n";
+
+        //Get lyrics
+        int counter = 0;
+        JSONArray syncLyrics = privateJsonData.getJSONObject("results").getJSONArray("LYRICS_SYNC_JSON");
+        for (int i=0; i<syncLyrics.length(); i++) {
+            JSONObject lyric = syncLyrics.getJSONObject(i);
+            if (lyric.has("lrc_timestamp") && lyric.has("line")) {
+                output += lyric.getString("lrc_timestamp") + lyric.getString("line") + "\r\n";
+                counter += 1;
+            }
+        }
+
+        if (counter == 0) throw new Exception("Empty Lyrics!");
+        return output;
+    }
+
+}

android/app/src/main/java/f/f/freezer/Download.java

@@ -0,0 +1,92 @@
+package f.f.freezer;
+
+import android.content.ContentValues;
+import android.database.Cursor;
+import java.util.HashMap;
+
+
+public class Download {
+    int id;
+    String path;
+    boolean priv;
+    int quality;
+    String trackId;
+    String md5origin;
+    String mediaVersion;
+    DownloadState state;
+    String title;
+    String image;
+
+    //Dynamic
+    long received;
+    long filesize;
+
+    Download(int id, String path, boolean priv, int quality, DownloadState state, String trackId, String md5origin, String mediaVersion, String title, String image) {
+        this.id = id;
+        this.path = path;
+        this.priv = priv;
+        this.trackId = trackId;
+        this.md5origin = md5origin;
+        this.state = state;
+        this.mediaVersion = mediaVersion;
+        this.title = title;
+        this.image = image;
+        this.quality = quality;
+    }
+
+    enum DownloadState {
+        NONE(0),
+        DOWNLOADING (1),
+        POST(2),
+        DONE(3),
+        DEEZER_ERROR(4),
+        ERROR(5);
+
+        private final int value;
+        private DownloadState(int value) {
+            this.value = value;
+        }
+        public int getValue() {
+            return value;
+        }
+    }
+
+    //Get download from SQLite cursor, HAS TO ALIGN
+    static Download fromSQL(Cursor cursor) {
+        return new Download(cursor.getInt(0), cursor.getString(1), cursor.getInt(2) == 1, cursor.getInt(3), DownloadState.values()[cursor.getInt(4)],
+            cursor.getString(5), cursor.getString(6), cursor.getString(7), cursor.getString(8), cursor.getString(9)
+        );
+    }
+
+    //Convert object from method call to SQL ContentValues
+    static ContentValues flutterToSQL(HashMap data) {
+        ContentValues values = new ContentValues();
+        values.put("path", (String)data.get("path"));
+        values.put("private", ((boolean)data.get("private")) ? 1 : 0);
+        values.put("state", 0);
+        values.put("trackId", (String)data.get("trackId"));
+        values.put("md5origin", (String)data.get("md5origin"));
+        values.put("mediaVersion", (String)data.get("mediaVersion"));
+        values.put("title", (String)data.get("title"));
+        values.put("image", (String)data.get("image"));
+        values.put("quality", (int)data.get("quality"));
+
+        return values;
+    }
+
+    //Used to send data to Flutter
+    HashMap toHashMap() {
+        HashMap map = new HashMap();
+        map.put("id", id);
+        map.put("path", path);
+        map.put("private", priv);
+        map.put("quality", quality);
+        map.put("trackId", trackId);
+        map.put("state", state.getValue());
+        map.put("title", title);
+        map.put("image", image);
+        //Only useful data, some are passed in updates
+        return map;
+    }
+}
+

android/app/src/main/java/f/f/freezer/DownloadService.java

@@ -0,0 +1,709 @@
+package f.f.freezer;
+
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.app.Service;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.Intent;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.net.Uri;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.Message;
+import android.os.Messenger;
+import android.os.RemoteException;
+import android.util.Log;
+
+import androidx.core.app.NotificationCompat;
+import androidx.core.app.NotificationManagerCompat;
+
+import org.json.JSONObject;
+
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.text.DecimalFormat;
+import java.util.ArrayList;
+import javax.net.ssl.HttpsURLConnection;
+
+public class DownloadService extends Service {
+
+    //Message commands
+    static final int SERVICE_LOAD_DOWNLOADS = 1;
+    static final int SERVICE_START_DOWNLOAD = 2;
+    static final int SERVICE_ON_PROGRESS = 3;
+    static final int SERVICE_SETTINGS_UPDATE = 4;
+    static final int SERVICE_STOP_DOWNLOADS = 5;
+    static final int SERVICE_ON_STATE_CHANGE = 6;
+    static final int SERVICE_REMOVE_DOWNLOAD = 7;
+    static final int SERVICE_RETRY_DOWNLOADS = 8;
+    static final int SERVICE_REMOVE_DOWNLOADS = 9;
+
+    static final String NOTIFICATION_CHANNEL_ID = "freezerdownloads";
+    static final int NOTIFICATION_ID_START = 6969;
+
+    boolean running = false;
+    DownloadSettings settings;
+    Context context;
+    SQLiteDatabase db;
+
+    Messenger serviceMessenger;
+    Messenger activityMessenger;
+    NotificationManagerCompat notificationManager;
+
+    ArrayList<Download> downloads = new ArrayList<>();
+    ArrayList<DownloadThread> threads = new ArrayList<>();
+    ArrayList<Boolean> updateRequests = new ArrayList<>();
+    ArrayList<String> pendingCovers = new ArrayList<>();
+    boolean updating = false;
+    Handler progressUpdateHandler = new Handler();
+
+    public DownloadService() {
+    }
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+
+        //Setup notifications
+        context = this;
+        notificationManager = NotificationManagerCompat.from(context);
+        createNotificationChannel();
+        createProgressUpdateHandler();
+
+        //Get DB
+        DownloadsDatabase dbHelper = new DownloadsDatabase(getApplicationContext());
+        db = dbHelper.getWritableDatabase();
+    }
+
+    @Override
+    public void onDestroy() {
+        //Cancel notifications
+        notificationManager.cancelAll();
+
+        super.onDestroy();
+    }
+
+    @Override
+    public IBinder onBind(Intent intent) {
+        //Set messengers
+        serviceMessenger = new Messenger(new IncomingHandler(this));
+        if (intent != null)
+            activityMessenger = intent.getParcelableExtra("activityMessenger");
+
+        return serviceMessenger.getBinder();
+    }
+
+    @Override
+    public int onStartCommand(Intent intent, int flags, int startId) {
+        //Get messenger
+        if (intent != null)
+            activityMessenger = intent.getParcelableExtra("activityMessenger");
+
+        return super.onStartCommand(intent, flags, startId);
+    }
+
+    //Android O+ Notifications
+    private void createNotificationChannel() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
+            NotificationChannel channel = new NotificationChannel(NOTIFICATION_CHANNEL_ID, "Downloads", NotificationManager.IMPORTANCE_MIN);
+            NotificationManager nManager = getSystemService(NotificationManager.class);
+            nManager.createNotificationChannel(channel);
+        }
+    }
+
+    //Update download tasks
+    private void updateQueue() {
+        db.beginTransaction();
+
+        //Clear downloaded tracks
+        for (int i=threads.size() - 1; i>=0; i--) {
+            Download.DownloadState state = threads.get(i).download.state;
+            if (state == Download.DownloadState.NONE || state == Download.DownloadState.DONE || state == Download.DownloadState.ERROR || state == Download.DownloadState.DEEZER_ERROR) {
+                Download d = threads.get(i).download;
+                //Update in queue
+                for (int j=0; j<downloads.size(); j++) {
+                    if (downloads.get(j).id == d.id) {
+                        downloads.set(j, d);
+                    }
+                }
+                updateProgress();
+                //Save to DB
+                ContentValues row = new ContentValues();
+                row.put("state", state.getValue());
+                row.put("quality", d.quality);
+                db.update("Downloads", row, "id == ?", new String[]{Integer.toString(d.id)});
+
+                //Update library
+                if (state == Download.DownloadState.DONE && !d.priv) {
+                    Uri uri = Uri.fromFile(new File(threads.get(i).outFile.getPath()));
+                    sendBroadcast(new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE, uri));
+                }
+
+                //Remove thread
+                threads.remove(i);
+            }
+        }
+
+        db.setTransactionSuccessful();
+        db.endTransaction();
+
+        //Create new download tasks
+        if (running) {
+            int nThreads = settings.downloadThreads - threads.size();
+            for (int i = 0; i<nThreads; i++) {
+                for (int j = 0; j < downloads.size(); j++) {
+                    if (downloads.get(j).state == Download.DownloadState.NONE) {
+                        //Update download
+                        Download d = downloads.get(j);
+                        d.state = Download.DownloadState.DOWNLOADING;
+                        downloads.set(j, d);
+
+                        //Create thread
+                        DownloadThread thread = new DownloadThread(d);
+                        thread.start();
+                        threads.add(thread);
+                        break;
+                    }
+                }
+            }
+            //Check if last download
+            if (threads.size() == 0) {
+                running = false;
+                updateState();
+                return;
+            }
+        }
+    }
+
+    //Send state change to UI
+    private void updateState() {
+        Bundle b = new Bundle();
+        b.putBoolean("running", running);
+        //Get count of not downloaded tracks
+        int queueSize = 0;
+        for (int i=0; i<downloads.size(); i++) {
+            if (downloads.get(i).state == Download.DownloadState.NONE)
+                queueSize++;
+        }
+        b.putInt("queueSize", queueSize);
+        sendMessage(SERVICE_ON_STATE_CHANGE, b);
+    }
+
+    //Wrapper to prevent threads racing
+    private void updateQueueWrapper() {
+        updateRequests.add(true);
+        if (!updating) {
+            updating = true;
+            while (updateRequests.size() > 0) {
+                updateQueue();
+                updateRequests.remove(0);
+            }
+        }
+        updating = false;
+    }
+
+    //Loads downloads from database
+    private void loadDownloads() {
+        Cursor cursor = db.query("Downloads", null, null, null, null, null, null);
+
+        //Parse downloads
+        while (cursor.moveToNext()) {
+
+            //Duplicate check
+            int downloadId = cursor.getInt(0);
+            Download.DownloadState state = Download.DownloadState.values()[cursor.getInt(1)];
+            boolean skip = false;
+            for (int i=0; i<downloads.size(); i++) {
+                if (downloads.get(i).id == downloadId) {
+                    if (downloads.get(i).state != state) {
+                        //Different state, update state, only for finished/error
+                        if (downloads.get(i).state.getValue() >= 3) {
+                            downloads.set(i, Download.fromSQL(cursor));
+                        }
+                    }
+                    skip = true;
+                    break;
+                }
+            }
+            //Add to queue
+            if (!skip)
+                downloads.add(Download.fromSQL(cursor));
+        }
+        cursor.close();
+
+        updateState();
+    }
+
+    //Stop downloads
+    private void stop() {
+        running = false;
+        for (int i=0; i<threads.size(); i++) {
+            threads.get(i).stopDownload();
+        }
+        updateState();
+    }
+
+
+    public class DownloadThread extends Thread {
+
+        Download download;
+        File parentDir;
+        File outFile;
+        JSONObject trackJson;
+        JSONObject albumJson;
+        boolean stopDownload = false;
+        DownloadThread(Download download) {
+            this.download = download;
+        }
+
+        @Override
+        public void run() {
+            //Set state
+            download.state = Download.DownloadState.DOWNLOADING;
+
+            //Quality fallback
+            int newQuality;
+            try {
+                newQuality = Deezer.qualityFallback(download.trackId, download.md5origin, download.mediaVersion, download.quality);
+            } catch (Exception e) {
+                Log.e("QF", "Quality fallback failed: " + e.toString());
+                download.state = Download.DownloadState.ERROR;
+                exit();
+                return;
+            }
+            //No quality available
+            if (newQuality == -1) {
+                download.state = Download.DownloadState.DEEZER_ERROR;
+                exit();
+                return;
+            }
+            download.quality = newQuality;
+
+            if (!download.priv) {
+                //Fetch metadata
+                try {
+                    trackJson = Deezer.callPublicAPI("track", download.trackId);
+                    albumJson = Deezer.callPublicAPI("album", Integer.toString(trackJson.getJSONObject("album").getInt("id")));
+                } catch (Exception e) {
+                    Log.e("ERR", "Unable to fetch track metadata.");
+                    e.printStackTrace();
+                    download.state = Download.DownloadState.ERROR;
+                    exit();
+                    return;
+                }
+
+                //Check file
+                try {
+                    outFile = new File(Deezer.generateFilename(download.path, trackJson, albumJson, newQuality));
+                    parentDir = new File(outFile.getParent());
+                    parentDir.mkdirs();
+                } catch (Exception e) {
+                    Log.e("ERR", "Error creating directories! TrackID: " + download.trackId);
+                    e.printStackTrace();
+                    download.state = Download.DownloadState.ERROR;
+                    exit();
+                    return;
+                }
+            } else {
+                //Private track
+                outFile = new File(download.path);
+                parentDir = new File(outFile.getParent());
+            }
+            //File already exists
+            if (outFile.exists()) {
+                //Delete if overwriting enabled
+                if (settings.overwriteDownload) {
+                    outFile.delete();
+                } else {
+                    download.state = Download.DownloadState.DONE;
+                    exit();
+                    return;
+                }
+            }
+
+            //Temporary encrypted file
+            File tmpFile = new File(getCacheDir(), download.id + ".ENC");
+            //Get start bytes offset
+            long start = 0;
+            if (tmpFile.exists()) {
+                start = tmpFile.length();
+            }
+
+            //Download
+            String sURL = Deezer.getTrackUrl(download.trackId, download.md5origin, download.mediaVersion, newQuality);
+            try {
+                URL url = new URL(sURL);
+                HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
+                //Set headers
+                connection.setConnectTimeout(30000);
+                connection.setRequestMethod("GET");
+                connection.setRequestProperty("Range", "bytes=" + start + "-");
+                connection.connect();
+
+                //Open streams
+                BufferedInputStream inputStream = new BufferedInputStream(connection.getInputStream());
+                OutputStream outputStream = new FileOutputStream(tmpFile.getPath());
+                //Save total
+                download.filesize = start + connection.getContentLength();
+                //Download
+                byte[] buffer = new byte[4096];
+                long received = 0;
+                int read;
+                while ((read = inputStream.read(buffer, 0, 4096)) != -1) {
+                    outputStream.write(buffer, 0, read);
+                    received += read;
+                    download.received = start + received;
+
+                    //Stop/Cancel download
+                    if (stopDownload) {
+                        download.state = Download.DownloadState.NONE;
+                        try {
+                            inputStream.close();
+                            outputStream.close();
+                            connection.disconnect();
+                        } catch (Exception ignored) {}
+                        exit();
+                        return;
+                    }
+                }
+                //On done
+                inputStream.close();
+                outputStream.close();
+                connection.disconnect();
+                //Update
+                download.state = Download.DownloadState.POST;
+                updateProgress();
+            } catch (Exception e) {
+                //Download error
+                Log.e("DOWNLOAD", "Download error!");
+                e.printStackTrace();
+                download.state = Download.DownloadState.ERROR;
+                exit();
+                return;
+            }
+
+            //Post processing
+
+            //Decrypt
+            try {
+                Deezer.decryptTrack(tmpFile.getPath(), download.trackId);
+            } catch (Exception e) {
+                Log.e("DEC", "Decryption failed!");
+                e.printStackTrace();
+                //Shouldn't ever fail
+            }
+
+            //If exists (duplicate download in DB), don't overwrite.
+            if (outFile.exists()) {
+                download.state = Download.DownloadState.DONE;
+                exit();
+                return;
+            }
+            //Copy to destination directory
+            if (!tmpFile.renameTo(outFile)) {
+                download.state = Download.DownloadState.ERROR;
+                exit();
+                return;
+            }
+
+            if (!download.priv) {
+                //Download cover
+                File coverFile = new File(parentDir, "cover.jpg");
+                //Wait for another thread to download it
+                while (pendingCovers.contains(coverFile.getPath())) {
+                    try { Thread.sleep(100); } catch (Exception ignored) {}
+                }
+
+                if (!coverFile.exists()) {
+                    try {
+                        //Create fake file so other threads don't start downloading covers
+                        coverFile.createNewFile();
+                        pendingCovers.add(coverFile.getPath());
+
+                        URL url = new URL("http://e-cdn-images.deezer.com/images/cover/" + trackJson.getString("md5_image") + "/1400x1400-000000-80-0-0.jpg");
+                        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
+                        //Set headers
+                        connection.setRequestMethod("GET");
+                        connection.connect();
+                        //Open streams
+                        InputStream inputStream = connection.getInputStream();
+                        OutputStream outputStream = new FileOutputStream(coverFile.getPath());
+                        //Download
+                        byte[] buffer = new byte[4096];
+                        int read = 0;
+                        while ((read = inputStream.read(buffer)) != -1) {
+                            outputStream.write(buffer, 0, read);
+                        }
+                        //On done
+                        inputStream.close();
+                        outputStream.close();
+                        connection.disconnect();
+                    } catch (Exception e) {
+                        Log.e("ERR", "Error downloading cover!");
+                        e.printStackTrace();
+                        coverFile.delete();
+                    }
+                    //Remove lock
+                    pendingCovers.remove(coverFile.getPath());
+                }
+
+                //Tag
+                try {
+                    Deezer.tagTrack(outFile.getPath(), trackJson, albumJson, coverFile.getPath());
+                } catch (Exception e) {
+                    Log.e("ERR", "Tagging error!");
+                    e.printStackTrace();
+                }
+
+                //Lyrics
+                if (settings.downloadLyrics) {
+                    try {
+                        JSONObject lyricsData = Deezer.callMobileAPI("song.getLyrics", "{\"sng_id\": " + download.trackId + "}");
+                        String lrcData = Deezer.generateLRC(lyricsData, trackJson);
+                        //Create file
+                        String lrcFilename = outFile.getPath().substring(0, outFile.getPath().lastIndexOf(".")+1) + "lrc";
+                        FileOutputStream fileOutputStream = new FileOutputStream(lrcFilename);
+                        fileOutputStream.write(lrcData.getBytes());
+                        fileOutputStream.close();
+                    } catch (Exception e) {
+                        Log.w("WAR", "Missing lyrics! " + e.toString());
+                    }
+                }
+            }
+
+            download.state = Download.DownloadState.DONE;
+            //Queue update
+            updateQueueWrapper();
+            stopSelf();
+        }
+
+        void stopDownload() {
+            stopDownload = true;
+        }
+
+        //Clean stop/exit
+        private void exit() {
+            updateQueueWrapper();
+            stopSelf();
+        }
+
+    }
+
+    //500ms loop to update notifications and UI
+    private void createProgressUpdateHandler() {
+        progressUpdateHandler.postDelayed(() -> {
+                updateProgress();
+            createProgressUpdateHandler();
+        }, 500);
+    }
+
+    //Updates notification and UI
+    private void updateProgress() {
+        if (threads.size() > 0) {
+            //Convert threads to bundles, send to activity;
+            Bundle b = new Bundle();
+            ArrayList<Bundle> down = new ArrayList<>();
+            for (int i=0; i<threads.size(); i++) {
+                //Create bundle
+                Download download = threads.get(i).download;
+                down.add(createProgressBundle(download));
+                //Notification
+                updateNotification(download);
+            }
+            b.putParcelableArrayList("downloads", down);
+            sendMessage(SERVICE_ON_PROGRESS, b);
+        }
+    }
+
+    //Create bundle with download progress & state
+    private Bundle createProgressBundle(Download download) {
+        Bundle bundle = new Bundle();
+        bundle.putInt("id", download.id);
+        bundle.putLong("received", download.received);
+        bundle.putLong("filesize", download.filesize);
+        bundle.putInt("quality", download.quality);
+        bundle.putInt("state", download.state.getValue());
+        return bundle;
+    }
+
+    private void updateNotification(Download download) {
+        //Cancel notification for done/none/error downloads
+        if (download.state == Download.DownloadState.NONE || download.state.getValue() >= 3) {
+            notificationManager.cancel(NOTIFICATION_ID_START + download.id);
+            return;
+        }
+
+        NotificationCompat.Builder notificationBuilder = new NotificationCompat.Builder(context, DownloadService.NOTIFICATION_CHANNEL_ID)
+                .setContentTitle(download.title)
+                .setSmallIcon(R.drawable.ic_logo)
+                .setPriority(NotificationCompat.PRIORITY_MIN);
+
+        //Show progress when downloading
+        if (download.state == Download.DownloadState.DOWNLOADING) {
+            if (download.filesize <= 0) download.filesize = 1;
+            notificationBuilder.setContentText(String.format("%s / %s", formatFilesize(download.received), formatFilesize(download.filesize)));
+            notificationBuilder.setProgress(100, (int)((download.received / (float)download.filesize)*100), false);
+        }
+
+        //Indeterminate on PostProcess
+        if (download.state == Download.DownloadState.POST) {
+            //TODO: Use strings
+            notificationBuilder.setContentText("Post processing...");
+            notificationBuilder.setProgress(1, 1, true);
+        }
+
+        notificationManager.notify(NOTIFICATION_ID_START + download.id, notificationBuilder.build());
+    }
+
+    //https://stackoverflow.com/questions/3263892/format-file-size-as-mb-gb-etc
+    public static String formatFilesize(long size) {
+        if(size <= 0) return "0B";
+        final String[] units = new String[] { "B", "KB", "MB", "GB", "TB" };
+        int digitGroups = (int) (Math.log10(size)/Math.log10(1024));
+        return new DecimalFormat("#,##0.##").format(size/Math.pow(1024, digitGroups)) + " " + units[digitGroups];
+    }
+
+    //Handler for incoming messages
+    class IncomingHandler extends Handler {
+        IncomingHandler(Context context) {
+            context.getApplicationContext();
+        }
+
+        @Override
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+                //Load downloads from DB
+                case SERVICE_LOAD_DOWNLOADS:
+                    loadDownloads();
+                    break;
+
+                //Start/Resume
+                case SERVICE_START_DOWNLOAD:
+                    running = true;
+                    updateQueue();
+                    updateState();
+                    break;
+
+                //Load settings
+                case SERVICE_SETTINGS_UPDATE:
+                    settings = DownloadSettings.fromBundle(msg.getData());
+                    break;
+
+                //Stop downloads
+                case SERVICE_STOP_DOWNLOADS:
+                    stop();
+                    break;
+
+                //Remove download
+                case SERVICE_REMOVE_DOWNLOAD:
+                    int downloadId = msg.getData().getInt("id");
+                    for (int i=0; i<downloads.size(); i++) {
+                        Download d = downloads.get(i);
+                        //Only remove if not downloading
+                        if (d.id == downloadId) {
+                            if (d.state == Download.DownloadState.DOWNLOADING || d.state == Download.DownloadState.POST) {
+                                return;
+                            }
+                            downloads.remove(i);
+                            break;
+                        }
+                    }
+                    //Remove from DB
+                    db.delete("Downloads", "id == ?", new String[]{Integer.toString(downloadId)});
+                    updateState();
+                    break;
+
+                //Retry failed downloads
+                case SERVICE_RETRY_DOWNLOADS:
+                    db.beginTransaction();
+                    for (int i=0; i<downloads.size(); i++) {
+                        Download d = downloads.get(i);
+                        if (d.state == Download.DownloadState.DEEZER_ERROR || d.state == Download.DownloadState.ERROR) {
+                            //Retry only failed
+                            d.state = Download.DownloadState.NONE;
+                            downloads.set(i, d);
+                            //Update DB
+                            ContentValues values = new ContentValues();
+                            values.put("state", 0);
+                            db.update("Downloads", values, "id == ?", new String[]{Integer.toString(d.id)});
+                        }
+                    }
+                    db.setTransactionSuccessful();
+                    db.endTransaction();
+                    updateState();
+                    break;
+
+                //Remove downloads by state
+                case SERVICE_REMOVE_DOWNLOADS:
+                    //Don't remove currently downloading, user has to stop first
+                    Download.DownloadState state = Download.DownloadState.values()[msg.getData().getInt("state")];
+                    if (state == Download.DownloadState.DOWNLOADING || state == Download.DownloadState.POST) return;
+
+                    db.beginTransaction();
+                    int i = (downloads.size() - 1);
+                    while (i >= 0) {
+                        Download d = downloads.get(i);
+                        if (d.state == state) {
+                            //Remove
+                            db.delete("Downloads", "id == ?", new String[]{Integer.toString(d.id)});
+                            downloads.remove(i);
+                        }
+                        i--;
+                    }
+                    //Delete from DB, done downloads after app restart aren't in downloads array
+                    db.delete("Downloads", "state == ?", new String[]{Integer.toString(msg.getData().getInt("state"))});
+                    //Save
+                    db.setTransactionSuccessful();
+                    db.endTransaction();
+                    updateState();
+                    break;
+
+                default:
+                    super.handleMessage(msg);
+            }
+        }
+    }
+
+    //Send message to MainActivity
+    void sendMessage(int type, Bundle data) {
+        if (serviceMessenger != null) {
+            Message msg = Message.obtain(null, type);
+            msg.setData(data);
+            try {
+                activityMessenger.send(msg);
+            } catch (RemoteException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    static class DownloadSettings {
+
+        int downloadThreads;
+        boolean overwriteDownload;
+        boolean downloadLyrics;
+
+        private DownloadSettings(int downloadThreads, boolean overwriteDownload, boolean downloadLyrics) {
+            this.downloadThreads = downloadThreads;
+            this.overwriteDownload = overwriteDownload;
+            this.downloadLyrics = downloadLyrics;
+        }
+
+        //Parse settings from bundle sent from UI
+        static DownloadSettings fromBundle(Bundle b) {
+            return new DownloadSettings(b.getInt("downloadThreads"), b.getBoolean("overwriteDownload"), b.getBoolean("downloadLyrics"));
+        }
+    }
+
+
+}
+

android/app/src/main/java/f/f/freezer/DownloadsDatabase.java

@@ -0,0 +1,43 @@
+package f.f.freezer;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+public class DownloadsDatabase extends SQLiteOpenHelper {
+
+    public static final int DATABASE_VERSION = 1;
+
+    public DownloadsDatabase(Context context) {
+        super(context, context.getDatabasePath("downloads").toString(), null, DATABASE_VERSION);
+    }
+
+    public void onCreate(SQLiteDatabase db) {
+        /*
+        Downloads:
+        id - Download ID (to prevent private/public duplicates)
+        path - Folder name, actual path calculated later,
+        private - 1 = Offline, 0 = Download,
+        quality = Deezer quality int,
+        state = DownloadState value
+        trackId - Track ID,
+        md5origin - MD5Origin,
+        mediaVersion - MediaVersion
+        title - Download/Track name, for display,
+        image - URL to art (for display)
+        */
+
+        db.execSQL("CREATE TABLE Downloads (id INTEGER PRIMARY KEY AUTOINCREMENT, " +
+            "path TEXT, private INTEGER, quality INTEGER, state INTEGER, trackId TEXT, md5origin TEXT, mediaVersion TEXT, title TEXT, image TEXT);");
+    }
+
+
+
+    //TODO: Currently does nothing
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        onCreate(db);
+    }
+    public void onDowngrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+        onCreate(db);
+    }
+}

android/app/src/main/java/f/f/freezer/MainActivity.java

@@ -1,43 +1,295 @@
 package f.f.freezer;
 
+import android.content.ComponentName;
+import android.content.ContentValues;
+import android.content.Context;
 import android.content.Intent;
+import android.content.ServiceConnection;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
 import android.net.Uri;
+import android.os.Bundle;
+import android.os.Handler;
+import android.os.IBinder;
+import android.os.Message;
+import android.os.Messenger;
+import android.os.RemoteException;
 import android.util.Log;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
-
-import org.jaudiotagger.audio.AudioFile;
-import org.jaudiotagger.audio.AudioFileIO;
-import org.jaudiotagger.tag.FieldKey;
-import org.jaudiotagger.tag.Tag;
-import org.jaudiotagger.tag.TagOptionSingleton;
-import org.jaudiotagger.tag.datatype.Artwork;
-import org.jaudiotagger.tag.flac.FlacTag;
-import org.jaudiotagger.tag.id3.ID3v23Tag;
-import org.jaudiotagger.tag.id3.valuepair.ImageFormats;
-import org.jaudiotagger.tag.reference.PictureTypes;
 
 import java.io.BufferedInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
 import java.io.FileOutputStream;
-import java.io.RandomAccessFile;
 import java.security.MessageDigest;
 import java.util.ArrayList;
-import java.util.function.Function;
+import java.util.HashMap;
+import java.util.Map;
 
 import javax.crypto.Cipher;
 import javax.crypto.spec.SecretKeySpec;
 
 import io.flutter.embedding.android.FlutterActivity;
 import io.flutter.embedding.engine.FlutterEngine;
+import io.flutter.plugin.common.EventChannel;
 import io.flutter.plugin.common.MethodChannel;
+import io.flutter.plugins.GeneratedPluginRegistrant;
+
+import static f.f.freezer.Deezer.bytesToHex;
 
 public class MainActivity extends FlutterActivity {
     private static final String CHANNEL = "f.f.freezer/native";
+    private static final String EVENT_CHANNEL = "f.f.freezer/downloads";
+    EventChannel.EventSink eventSink;
 
+    boolean serviceBound = false;
+    Messenger serviceMessenger;
+    Messenger activityMessenger;
+    SQLiteDatabase db;
+
+    private static final int SD_PERMISSION_REQUEST_CODE = 42;
+
+    @Override
+    public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
+        GeneratedPluginRegistrant.registerWith(flutterEngine);
+
+        //Flutter method channel
+        new MethodChannel(flutterEngine.getDartExecutor().getBinaryMessenger(), CHANNEL).setMethodCallHandler((((call, result) -> {
+
+            //Add downloads to DB, then refresh service
+            if (call.method.equals("addDownloads")) {
+                //TX
+                db.beginTransaction();
+
+                ArrayList<HashMap> downloads = call.arguments();
+                for (int i=0; i<downloads.size(); i++) {
+                    //Check if exists
+                    Cursor cursor = db.rawQuery("SELECT id, state FROM Downloads WHERE trackId == ? AND path == ?",
+                            new String[]{(String)downloads.get(i).get("trackId"), (String)downloads.get(i).get("path")});
+                    if (cursor.getCount() > 0) {
+                        //If done or error, set state to NONE - they should be skipped because file exists
+                        cursor.moveToNext();
+                        if (cursor.getInt(1) >= 3) {
+                            ContentValues values = new ContentValues();
+                            values.put("state", 0);
+                            db.update("Downloads", values, "id == ?", new String[]{Integer.toString(cursor.getInt(0))});
+                            Log.d("INFO", "Already exists in DB, updating to none state!");
+                        } else {
+                            Log.d("INFO", "Already exits in DB!");
+                        }
+                        cursor.close();
+                        continue;
+                    }
+                    cursor.close();
+
+                    //Insert
+                    ContentValues row = Download.flutterToSQL(downloads.get(i));
+                    db.insert("Downloads", null, row);
+                }
+                db.setTransactionSuccessful();
+                db.endTransaction();
+                //Update service
+                sendMessage(DownloadService.SERVICE_LOAD_DOWNLOADS, null);
+
+                result.success(null);
+                return;
+            }
+
+            //Get all downloads from DB
+            if (call.method.equals("getDownloads")) {
+                Cursor cursor = db.query("Downloads", null, null, null, null, null, null);
+                ArrayList downloads = new ArrayList();
+                //Parse downloads
+                while (cursor.moveToNext()) {
+                    Download download = Download.fromSQL(cursor);
+                    downloads.add(download.toHashMap());
+                }
+                cursor.close();
+                result.success(downloads);
+                return;
+            }
+            //Update settings from UI
+            if (call.method.equals("updateSettings")) {
+                Bundle bundle = new Bundle();
+                bundle.putInt("downloadThreads", (int)call.argument("downloadThreads"));
+                bundle.putBoolean("overwriteDownload", (boolean)call.argument("overwriteDownload"));
+                bundle.putBoolean("downloadLyrics", (boolean)call.argument("downloadLyrics"));
+                sendMessage(DownloadService.SERVICE_SETTINGS_UPDATE, bundle);
+
+                result.success(null);
+                return;
+            }
+            //Load downloads from DB in service
+            if (call.method.equals("loadDownloads")) {
+                sendMessage(DownloadService.SERVICE_LOAD_DOWNLOADS, null);
+                result.success(null);
+                return;
+            }
+            //Start/Resume downloading
+            if (call.method.equals("start")) {
+                sendMessage(DownloadService.SERVICE_START_DOWNLOAD, null);
+                result.success(null);
+                return;
+            }
+            //Stop downloading
+            if (call.method.equals("stop")) {
+                sendMessage(DownloadService.SERVICE_STOP_DOWNLOADS, null);
+                result.success(null);
+                return;
+            }
+            //Remove download
+            if (call.method.equals("removeDownload")) {
+                Bundle bundle = new Bundle();
+                bundle.putInt("id", (int)call.argument("id"));
+                sendMessage(DownloadService.SERVICE_REMOVE_DOWNLOAD, bundle);
+                result.success(null);
+                return;
+            }
+            //Retry download
+            if (call.method.equals("retryDownloads")) {
+                sendMessage(DownloadService.SERVICE_RETRY_DOWNLOADS, null);
+                result.success(null);
+                return;
+            }
+            //Remove downloads by state
+            if (call.method.equals("removeDownloads")) {
+                Bundle bundle = new Bundle();
+                bundle.putInt("state", (int)call.argument("state"));
+                sendMessage(DownloadService.SERVICE_REMOVE_DOWNLOADS, bundle);
+                result.success(null);
+                return;
+            }
+
+
+            result.error("0", "Not implemented!", "Not implemented!");
+        })));
+
+
+        //Event channel (for download updates)
+        EventChannel eventChannel = new EventChannel(flutterEngine.getDartExecutor().getBinaryMessenger(), EVENT_CHANNEL);
+        eventChannel.setStreamHandler((new EventChannel.StreamHandler() {
+            @Override
+            public void onListen(Object arguments, EventChannel.EventSink events) {
+                eventSink = events;
+            }
+
+            @Override
+            public void onCancel(Object arguments) {
+                eventSink = null;
+            }
+        }));
+    }
+
+
+    @Override
+    protected void onStart() {
+        super.onStart();
+        //Bind downloader service
+        activityMessenger = new Messenger(new IncomingHandler(this));
+        Intent intent = new Intent(this, DownloadService.class);
+        intent.putExtra("activityMessenger", activityMessenger);
+        bindService(intent, connection, Context.BIND_AUTO_CREATE);
+        //Get DB
+        DownloadsDatabase dbHelper = new DownloadsDatabase(getApplicationContext());
+        db = dbHelper.getWritableDatabase();
+    }
+
+    @Override
+    protected void onStop() {
+        super.onStop();
+        //Unbind service on exit
+        if (serviceBound) {
+            unbindService(connection);
+            serviceBound = false;
+        }
+        db.close();
+    }
+
+    //Connection to download service
+    private ServiceConnection connection = new ServiceConnection() {
+        @Override
+        public void onServiceConnected(ComponentName componentName, IBinder iBinder) {
+            serviceMessenger = new Messenger(iBinder);
+            serviceBound = true;
+        }
+
+        @Override
+        public void onServiceDisconnected(ComponentName componentName) {
+            serviceMessenger = null;
+            serviceBound = false;
+        }
+    };
+
+    //Handler for incoming messages from service
+    class IncomingHandler extends Handler {
+        IncomingHandler(Context context) {
+            Context applicationContext = context.getApplicationContext();
+        }
+
+        @Override
+        public void handleMessage(Message msg) {
+            switch (msg.what) {
+
+                //Forward to flutter.
+                case DownloadService.SERVICE_ON_PROGRESS:
+                    if (eventSink == null) break;
+                    if (msg.getData().getParcelableArrayList("downloads").size() > 0) {
+                        //Generate HashMap ArrayList for sending to flutter
+                        ArrayList<HashMap> data = new ArrayList<>();
+                        for (int i=0; i<msg.getData().getParcelableArrayList("downloads").size(); i++) {
+                            Bundle bundle = (Bundle) msg.getData().getParcelableArrayList("downloads").get(i);
+                            HashMap out = new HashMap();
+                            out.put("id", bundle.getInt("id"));
+                            out.put("state", bundle.getInt("state"));
+                            out.put("received", bundle.getLong("received"));
+                            out.put("filesize", bundle.getLong("filesize"));
+                            out.put("quality", bundle.getInt("quality"));
+                            data.add(out);
+                        }
+                        //Wrapper
+                        HashMap out = new HashMap();
+                        out.put("action", "onProgress");
+                        out.put("data", data);
+                        eventSink.success(out);
+                    }
+
+                    break;
+                //State change, forward to flutter
+                case DownloadService.SERVICE_ON_STATE_CHANGE:
+                    if (eventSink == null) break;
+                    Bundle b = msg.getData();
+                    HashMap out = new HashMap();
+                    out.put("running", b.getBoolean("running"));
+                    out.put("queueSize", b.getInt("queueSize"));
+
+                    //Wrapper info
+                    out.put("action", "onStateChange");
+
+                    eventSink.success(out);
+                    break;
+
+                default:
+                    super.handleMessage(msg);
+            }
+        }
+    }
+
+    //Send message to service
+    void sendMessage(int type, Bundle data) {
+        if (serviceBound && serviceMessenger != null) {
+            Message msg = Message.obtain(null, type);
+            msg.setData(data);
+            try {
+                serviceMessenger.send(msg);
+            } catch (RemoteException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+
+    /*
     @Override
     public void configureFlutterEngine(@NonNull FlutterEngine flutterEngine) {
         super.configureFlutterEngine(flutterEngine);
@@ -132,69 +384,5 @@ public class MainActivity extends FlutterActivity {
             }));
     }
 
-    public static void decryptTrack(String path, String tid) {
-        try {
-            //Load file
-            File inputFile = new File(path + ".ENC");
-            BufferedInputStream buffin = new BufferedInputStream(new FileInputStream(inputFile));
-            ByteArrayOutputStream buf = new ByteArrayOutputStream();
-            byte[] key = getKey(tid);
-            for (int i=0; i<inputFile.length()/2048; i++) {
-                byte[] tmp = new byte[2048];
-                buffin.read(tmp, 0, tmp.length);
-                if ((i%3) == 0) {
-                    tmp = decryptChunk(key, tmp);
-                }
-                buf.write(tmp);
-            }
-            //Save
-            FileOutputStream outputStream = new FileOutputStream(new File(path));
-            outputStream.write(buf.toByteArray());
-            outputStream.close();
-        } catch (Exception e) {
-            e.printStackTrace();
-        }
-    }
-
-
-    public static String bytesToHex(byte[] bytes) {
-        final char[] HEX_ARRAY = "0123456789ABCDEF".toCharArray();
-        char[] hexChars = new char[bytes.length * 2];
-        for (int j = 0; j < bytes.length; j++) {
-            int v = bytes[j] & 0xFF;
-            hexChars[j * 2] = HEX_ARRAY[v >>> 4];
-            hexChars[j * 2 + 1] = HEX_ARRAY[v & 0x0F];
-        }
-        return new String(hexChars);
-    }
-
-    //Calculate decryption key from track id
-    public static byte[] getKey(String id) {
-        String secret = "g4el58wc0zvf9na1";
-        String key = "";
-        try {
-            MessageDigest md5 = MessageDigest.getInstance("MD5");
-            //md5.update(id.getBytes());
-            byte[] md5id = md5.digest(id.getBytes());
-            String idmd5 = bytesToHex(md5id).toLowerCase();
-
-            for(int i=0; i<16; i++) {
-                int s0 = idmd5.charAt(i);
-                int s1 = idmd5.charAt(i+16);
-                int s2 = secret.charAt(i);
-                key += (char)(s0^s1^s2);
-            }
-        } catch (Exception e) {
-        }
-        return key.getBytes();
-    }
-
-    //Decrypt 2048b chunk
-    public static byte[] decryptChunk(byte[] key, byte[] data) throws Exception{
-        byte[] IV = {00, 01, 02, 03, 04, 05, 06, 07};
-        SecretKeySpec Skey = new SecretKeySpec(key, "Blowfish");
-        Cipher cipher = Cipher.getInstance("Blowfish/CBC/NoPadding");
-        cipher.init(Cipher.DECRYPT_MODE, Skey, new javax.crypto.spec.IvParameterSpec(IV));
-        return cipher.doFinal(data);
-    }
+    */
 }

audio_service

@@ -1 +1 @@
-Subproject commit 73fce9905f9ffeec0270f7c89b70cd0eaa762fb6
+Subproject commit b268066d26c1cc28183bfc3f0f4ab60d31ebf1f7

just_audio

@@ -1 +1 @@
-Subproject commit 884bc7a26960973f8690aacb14a45f2d303fc676
+Subproject commit ae319b96899fe42a69c57c2f4a17691d90596f98

lib/api/cache.dart

@@ -0,0 +1,67 @@
+import 'package:freezer/api/deezer.dart';
+import 'package:freezer/api/definitions.dart';
+import 'package:freezer/ui/details_screens.dart';
+import 'package:json_annotation/json_annotation.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:path/path.dart' as p;
+
+import 'dart:io';
+import 'dart:convert';
+
+part 'cache.g.dart';
+
+Cache cache;
+
+//Cache for miscellaneous things
+@JsonSerializable()
+class Cache {
+
+  //ID's of tracks that are in library
+  List<String> libraryTracks = [];
+
+  //Track ID of logged track, to prevent duplicates
+  @JsonKey(ignore: true)
+  String loggedTrackId;
+
+  @JsonKey(defaultValue: [])
+  List<Track> history = [];
+
+  //Cache playlist sort type {id: sort}
+  @JsonKey(defaultValue: {})
+  Map<String, SortType> playlistSort;
+
+
+  Cache({this.libraryTracks});
+
+  //Wrapper to test if track is favorite against cache
+  bool checkTrackFavorite(Track t) {
+    if (t.favorite != null && t.favorite) return true;
+    if (libraryTracks == null || libraryTracks.length == 0) return false;
+    return libraryTracks.contains(t.id);
+  }
+
+  //Save, load
+  static Future<String> getPath() async {
+    return p.join((await getApplicationDocumentsDirectory()).path, 'metacache.json');
+  }
+
+  static Future<Cache> load() async {
+    File file = File(await Cache.getPath());
+    //Doesn't exist, create new
+    if (!(await file.exists())) {
+      Cache c = Cache();
+      await c.save();
+      return c;
+    }
+    return Cache.fromJson(jsonDecode(await file.readAsString()));
+  }
+
+  Future save() async {
+    File file = File(await Cache.getPath());
+    file.writeAsString(jsonEncode(this.toJson()));
+  }
+
+  //JSON
+  factory Cache.fromJson(Map<String, dynamic> json) => _$CacheFromJson(json);
+  Map<String, dynamic> toJson() => _$CacheToJson(this);
+}

lib/api/cache.g.dart

@@ -0,0 +1,69 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'cache.dart';
+
+// **************************************************************************
+// JsonSerializableGenerator
+// **************************************************************************
+
+Cache _$CacheFromJson(Map<String, dynamic> json) {
+  return Cache(
+    libraryTracks:
+        (json['libraryTracks'] as List)?.map((e) => e as String)?.toList(),
+  )
+    ..history = (json['history'] as List)
+            ?.map((e) =>
+                e == null ? null : Track.fromJson(e as Map<String, dynamic>))
+            ?.toList() ??
+        []
+    ..playlistSort = (json['playlistSort'] as Map<String, dynamic>)?.map(
+          (k, e) => MapEntry(k, _$enumDecodeNullable(_$SortTypeEnumMap, e)),
+        ) ??
+        {};
+}
+
+Map<String, dynamic> _$CacheToJson(Cache instance) => <String, dynamic>{
+      'libraryTracks': instance.libraryTracks,
+      'history': instance.history,
+      'playlistSort': instance.playlistSort
+          ?.map((k, e) => MapEntry(k, _$SortTypeEnumMap[e])),
+    };
+
+T _$enumDecode<T>(
+  Map<T, dynamic> enumValues,
+  dynamic source, {
+  T unknownValue,
+}) {
+  if (source == null) {
+    throw ArgumentError('A value must be provided. Supported values: '
+        '${enumValues.values.join(', ')}');
+  }
+
+  final value = enumValues.entries
+      .singleWhere((e) => e.value == source, orElse: () => null)
+      ?.key;
+
+  if (value == null && unknownValue == null) {
+    throw ArgumentError('`$source` is not one of the supported values: '
+        '${enumValues.values.join(', ')}');
+  }
+  return value ?? unknownValue;
+}
+
+T _$enumDecodeNullable<T>(
+  Map<T, dynamic> enumValues,
+  dynamic source, {
+  T unknownValue,
+}) {
+  if (source == null) {
+    return null;
+  }
+  return _$enumDecode<T>(enumValues, source, unknownValue: unknownValue);
+}
+
+const _$SortTypeEnumMap = {
+  SortType.DEFAULT: 'DEFAULT',
+  SortType.REVERSE: 'REVERSE',
+  SortType.ALPHABETIC: 'ALPHABETIC',
+  SortType.ARTIST: 'ARTIST',
+};

lib/api/deezer.dart

@@ -1,8 +1,10 @@
 import 'dart:async';
 
+import 'package:dio/adapter.dart';
 import 'package:dio/dio.dart';
 import 'package:cookie_jar/cookie_jar.dart';
 import 'package:dio_cookie_manager/dio_cookie_manager.dart';
+import 'package:freezer/api/cache.dart';
 
 import 'dart:io';
 import 'dart:convert';
@@ -47,6 +49,15 @@ class DeezerAPI {
         return options;
       }
     ));
+
+    //Proxy
+    if (settings.proxyAddress != null && settings.proxyAddress != '' && settings.proxyAddress.length > 9) {
+      (dio.httpClientAdapter as DefaultHttpClientAdapter).onHttpClientCreate = (client) {
+        client.findProxy = (uri) => "PROXY ${settings.proxyAddress}";
+        client.badCertificateCallback = (X509Certificate cert, String host, int port) => true;
+      };
+    }
+
     //Add cookies
     List<Cookie> cookies = [Cookie('arl', this.arl)];
     _cookieJar.saveFromResponse(Uri.parse(this.privateUrl), cookies);
@@ -82,13 +93,13 @@ class DeezerAPI {
   //Wrapper so it can be globally awaited
   Future authorize() async {
     if (_authorizing == null) {
-      this._authorizing = this._authorize();
+      this._authorizing = this.rawAuthorize();
     }
     return _authorizing;
   }
 
   //Authorize, bool = success
-  Future<bool> _authorize() async {
+  Future<bool> rawAuthorize({Function onError}) async {
     try {
       Map<dynamic, dynamic> data = await callApi('deezer.getUserData');
       if (data['results']['USER']['USER_ID'] == 0) {
@@ -100,7 +111,31 @@ class DeezerAPI {
         this.favoritesPlaylistId = data['results']['USER']['LOVEDTRACKS_ID'];
         return true;
       }
-    } catch (e) { return false; }
+    } catch (e) {
+      if (onError != null)
+        onError(e);
+      print('Login Error (D): ' + e.toString());
+      return false;
+    }
+  }
+
+  //URL/Link parser
+  Future<DeezerLinkResponse> parseLink(String url) async {
+    Uri uri = Uri.parse(url);
+    //https://www.deezer.com/NOTHING_OR_COUNTRY/TYPE/ID
+    if (uri.host == 'www.deezer.com' || uri.host == 'deezer.com') {
+      if (uri.pathSegments.length < 2) return null;
+      DeezerLinkType type = DeezerLinkResponse.typeFromString(uri.pathSegments[uri.pathSegments.length-2]);
+      return DeezerLinkResponse(type: type, id: uri.pathSegments[uri.pathSegments.length-1]);
+    }
+    //Share URL
+    if (uri.host == 'deezer.page.link' || uri.host == 'www.deezer.page.link') {
+      Dio dio = Dio();
+      Response res = await dio.head(url, options: RequestOptions(
+        followRedirects: true
+      ));
+      return parseLink('http://deezer.com' + res.realUri.toString());
+    }
   }
 
   //Search
@@ -168,19 +203,6 @@ class DeezerAPI {
   //Get playlist with all tracks
   Future<Playlist> fullPlaylist(String id) async {
     return await playlist(id, nb: 100000);
-
-    //OLD WORKAROUND
-    /*
-    Playlist p = await playlist(id, nb: 200);
-    for (int i=200; i<p.trackCount; i++) {
-      //Get another page of tracks
-      List<Track> tracks = await playlistTracksPage(id, i, nb: 200);
-      p.tracks.addAll(tracks);
-      i += 200;
-      continue;
-    }
-    return p;
-   */
   }
 
   //Add track to favorites
@@ -271,7 +293,7 @@ class DeezerAPI {
     Map data = await callApi('song.getLyrics', params: {
       'sng_id': trackId
     });
-    if (data['error'] != null && data['error'].length > 0) return Lyrics().error;
+    if (data['error'] != null && data['error'].length > 0) return Lyrics.error();
     return Lyrics.fromPrivateJson(data['results']);
   }
 
@@ -318,7 +340,15 @@ class DeezerAPI {
 
   //Log song listen to deezer
   Future logListen(String trackId) async {
-    await callApi('log.listen', params: {'next_media': {'media': {'id': trackId, 'type': 'song'}}});
+    await callApi('log.listen', params: {
+      'params': {
+        'timestamp': DateTime.now().millisecondsSinceEpoch,
+        'ts_listen': DateTime.now().millisecondsSinceEpoch,
+        'type': 1,
+        'stat': {'seek': 0, 'pause': 0, 'sync': 1},
+        'media': {'id': trackId, 'type': 'song', 'format': 'MP3_128'}
+      }
+    });
   }
 
   Future<HomePage> getChannel(String target) async {
@@ -406,5 +436,16 @@ class DeezerAPI {
     });
     return data['results']['data'].map<Track>((t) => Track.fromPrivateJson(t)).toList();
   }
+
+  //Update playlist metadata, status = see createPlaylist
+  Future updatePlaylist(String id, String title, String description, {int status = 1}) async {
+    await callApi('playlist.update', params: {
+      'description': description,
+      'title': title,
+      'playlist_id': int.parse(id),
+      'status': status,
+      'songs': []
+    });
+  }
 }
 

lib/api/definitions.dart

@@ -10,6 +10,7 @@ import 'package:pointycastle/block/aes_fast.dart';
 import 'package:pointycastle/block/modes/ecb.dart';
 import 'package:hex/hex.dart';
 import 'package:path/path.dart' as p;
+import 'package:freezer/translations.i18n.dart';
 import 'package:crypto/crypto.dart' as crypto;
 
 import 'dart:typed_data';
@@ -30,8 +31,6 @@ class Track {
   bool offline;
   Lyrics lyrics;
   bool favorite;
-
-  //TODO: Not in DB
   int diskNumber;
   bool explicit;
 
@@ -102,6 +101,10 @@ class Track {
         artists = jsonDecode(mi.extras['artists']).map<Artist>((j) => Artist.fromJson(j)).toList();
       }
     }
+    List<String> playbackDetails;
+    if (mi.extras['playbackDetails'] != null)
+      playbackDetails = jsonDecode(mi.extras['playbackDetails']).map<String>((e) => e.toString()).toList();
+
     return Track(
       title: mi.title??mi.displayTitle,
       artists: artists,
@@ -112,7 +115,7 @@ class Track {
         thumbUrl: mi.extras['thumb']
       ),
       duration: mi.duration,
-      playbackDetails: null, // So it gets updated from api
+      playbackDetails: playbackDetails,
       lyrics: Lyrics.fromJson(jsonDecode(((mi.extras??{})['lyrics'])??"{}"))
     );
   }
@@ -149,7 +152,9 @@ class Track {
     'trackNumber': trackNumber,
     'offline': off?1:0,
     'lyrics': jsonEncode(lyrics.toJson()),
-    'favorite': (favorite??0)?1:0
+    'favorite': (favorite??0)?1:0,
+    'diskNumber': diskNumber,
+    'explicit': explicit?1:0
   };
   factory Track.fromSQL(Map<String, dynamic> data) => Track(
     id: data['trackId']??data['id'], //If loading from downloads table
@@ -163,7 +168,9 @@ class Track {
     )),
     offline: (data['offline'] == 1) ? true:false,
     lyrics: Lyrics.fromJson(jsonDecode(data['lyrics'])),
-    favorite: (data['favorite'] == 1) ? true:false
+    favorite: (data['favorite'] == 1) ? true:false,
+    diskNumber: data['diskNumber'],
+    explicit: (data['explicit'] == 1) ? true:false
   );
 
   factory Track.fromJson(Map<String, dynamic> json) => _$TrackFromJson(json);
@@ -186,8 +193,6 @@ class Album {
   int fans;
   bool offline; //If the album is offline, or just saved in db as metadata
   bool library;
-
-  //TODO: Not in DB
   AlbumType type;
   String releaseDate;
 
@@ -224,7 +229,9 @@ class Album {
     'art': art.full,
     'fans': fans,
     'offline': off?1:0,
-    'library': (library??false)?1:0
+    'library': (library??false)?1:0,
+    'type': AlbumType.values.indexOf(type),
+    'releaseDate': releaseDate
   };
   factory Album.fromSQL(Map<String, dynamic> data) => Album(
     id: data['id'],
@@ -238,7 +245,9 @@ class Album {
     art: ImageDetails(fullUrl: data['art']),
     fans: data['fans'],
     offline: (data['offline'] == 1) ? true:false,
-    library: (data['library'] == 1) ? true:false
+    library: (data['library'] == 1) ? true:false,
+    type: AlbumType.values[data['type']],
+    releaseDate: data['releaseDate']
   );
 
   factory Album.fromJson(Map<String, dynamic> json) => _$AlbumFromJson(json);
@@ -256,8 +265,6 @@ class Artist {
   int fans;
   bool offline;
   bool library;
-
-  //TODO: NOT IN DB
   bool radio;
 
   Artist({this.id, this.name, this.albums, this.albumCount, this.topTracks, this.picture, this.fans, this.offline, this.library, this.radio});
@@ -296,7 +303,8 @@ class Artist {
     'fans': fans,
     'albumCount': this.albumCount??(this.albums??[]).length,
     'offline': off?1:0,
-    'library': (library??false)?1:0
+    'library': (library??false)?1:0,
+    'radio': radio?1:0
   };
   factory Artist.fromSQL(Map<String, dynamic> data) => Artist(
     id: data['id'],
@@ -311,7 +319,8 @@ class Artist {
     picture: ImageDetails(fullUrl: data['picture']),
     fans: data['fans'],
     offline: (data['offline'] == 1)?true:false,
-    library: (data['library'] == 1)?true:false
+    library: (data['library'] == 1)?true:false,
+    radio: (data['radio'] == 1)?true:false
   );
 
   factory Artist.fromJson(Map<String, dynamic> json) => _$ArtistFromJson(json);
@@ -456,12 +465,12 @@ class Lyrics {
 
   Lyrics({this.id, this.writers, this.lyrics});
 
-  Lyrics get error => Lyrics(
-    id: id,
-    writers: writers,
+  static error() => Lyrics(
+    id: null,
+    writers: null,
     lyrics: [Lyric(
       offset: Duration(milliseconds: 0),
-      text: 'Error loading lyrics!'
+      text: 'Lyrics unavailable, empty or failed to load!'.i18n
     )]
   );
 
@@ -470,7 +479,7 @@ class Lyrics {
     Lyrics l = Lyrics(
       id: json['LYRICS_ID'],
       writers: json['LYRICS_WRITERS'],
-      lyrics: json['LYRICS_SYNC_JSON'].map<Lyric>((l) => Lyric.fromPrivateJson(l)).toList()
+      lyrics: (json['LYRICS_SYNC_JSON']??[]).map<Lyric>((l) => Lyric.fromPrivateJson(l)).toList()
     );
     //Clean empty lyrics
     l.lyrics.removeWhere((l) => l.offset == null);
@@ -724,3 +733,27 @@ enum RepeatType {
   LIST,
   TRACK
 }
+
+enum DeezerLinkType {
+  TRACK,
+  ALBUM,
+  ARTIST,
+  PLAYLIST
+}
+
+class DeezerLinkResponse {
+  DeezerLinkType type;
+  String id;
+
+  DeezerLinkResponse({this.type, this.id});
+
+  //String to DeezerLinkType
+  static typeFromString(String t) {
+    t = t.toLowerCase().trim();
+    if (t == 'album') return DeezerLinkType.ALBUM;
+    if (t == 'artist') return DeezerLinkType.ARTIST;
+    if (t == 'playlist') return DeezerLinkType.PLAYLIST;
+    if (t == 'track') return DeezerLinkType.TRACK;
+    return null;
+  }
+}

lib/api/download-out.dart

@@ -0,0 +1,804 @@
+import 'dart:typed_data';
+
+import 'package:disk_space/disk_space.dart';
+import 'package:ext_storage/ext_storage.dart';
+import 'package:flutter/services.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:random_string/random_string.dart';
+import 'package:sqflite/sqflite.dart';
+import 'package:path/path.dart' as p;
+import 'package:dio/dio.dart';
+import 'package:filesize/filesize.dart';
+import 'package:permission_handler/permission_handler.dart';
+import 'package:flutter_local_notifications/flutter_local_notifications.dart';
+
+import 'dart:io';
+
+import 'dart:async';
+import 'deezer.dart';
+import '../settings.dart';
+import 'definitions.dart';
+import '../ui/cached_image.dart';
+
+DownloadManager downloadManager = DownloadManager();
+MethodChannel platformChannel = const MethodChannel('f.f.freezer/native');
+
+class DownloadManager {
+
+  Database db;
+  List<Download> queue = [];
+  String _offlinePath;
+  Future _download;
+  FlutterLocalNotificationsPlugin flutterLocalNotificationsPlugin;
+  bool _cancelNotifications = true;
+
+  bool stopped = true;
+
+  Future init() async {
+    //Prepare DB
+    String dir = await getDatabasesPath();
+    String path = p.join(dir, 'offline.db');
+    db = await openDatabase(
+      path,
+      version: 1,
+      onCreate: (Database db, int version) async {
+        Batch b = db.batch();
+        //Create tables
+        b.execute(""" CREATE TABLE downloads (
+        id INTEGER PRIMARY KEY AUTOINCREMENT, path TEXT, url TEXT, private INTEGER, state INTEGER, trackId TEXT)""");
+        b.execute("""CREATE TABLE tracks (
+        id TEXT PRIMARY KEY, title TEXT, album TEXT, artists TEXT, duration INTEGER, albumArt TEXT, trackNumber INTEGER, offline INTEGER, lyrics TEXT, favorite INTEGER)""");
+        b.execute("""CREATE TABLE albums (
+        id TEXT PRIMARY KEY, title TEXT, artists TEXT, tracks TEXT, art TEXT, fans INTEGER, offline INTEGER, library INTEGER)""");
+        b.execute("""CREATE TABLE artists (
+        id TEXT PRIMARY KEY, name TEXT, albums TEXT, topTracks TEXT, picture TEXT, fans INTEGER, albumCount INTEGER, offline INTEGER, library INTEGER)""");
+        b.execute("""CREATE TABLE playlists (
+        id TEXT PRIMARY KEY, title TEXT, tracks TEXT, image TEXT, duration INTEGER, userId TEXT, userName TEXT, fans INTEGER, library INTEGER, description TEXT)""");
+        await b.commit();
+      }
+    );
+    //Prepare folders (/sdcard/Android/data/freezer/data/)
+    _offlinePath = p.join((await getExternalStorageDirectory()).path, 'offline/');
+    await Directory(_offlinePath).create(recursive: true);
+
+    //Notifications
+    await _prepareNotifications();
+
+    //Restore
+    List<Map> downloads = await db.rawQuery("SELECT * FROM downloads INNER JOIN tracks ON tracks.id = downloads.trackId WHERE downloads.state = 0");
+    downloads.forEach((download) => queue.add(Download.fromSQL(download, parseTrack: true)));
+  }
+
+  //Initialize flutter local notification plugin
+  Future _prepareNotifications() async {
+    flutterLocalNotificationsPlugin = FlutterLocalNotificationsPlugin();
+    AndroidInitializationSettings androidInitializationSettings = AndroidInitializationSettings('@drawable/ic_logo');
+    InitializationSettings initializationSettings = InitializationSettings(androidInitializationSettings, null);
+    await flutterLocalNotificationsPlugin.initialize(initializationSettings);
+  }
+
+  //Show download progress notification, if now/total = null, show intermediate
+  Future _startProgressNotification() async {
+    _cancelNotifications = false;
+    Timer.periodic(Duration(milliseconds: 500), (timer) async {
+      //Cancel notifications
+      if (_cancelNotifications) {
+        flutterLocalNotificationsPlugin.cancel(10);
+        timer.cancel();
+        return;
+      }
+      //Not downloading
+      if (this.queue.length <= 0) return;
+      Download d = queue[0];
+      //Prepare and show notification
+      AndroidNotificationDetails androidNotificationDetails = AndroidNotificationDetails(
+        'download', 'Download', 'Download',
+        importance: Importance.Default,
+        priority: Priority.Default,
+        showProgress: true,
+        maxProgress: d.total??1,
+        progress: d.received??1,
+        playSound: false,
+        enableVibration: false,
+        autoCancel: true,
+        //ongoing: true, //Allow dismissing
+        indeterminate: (d.total == null || d.total == d.received),
+        onlyAlertOnce: true
+      );
+      NotificationDetails notificationDetails = NotificationDetails(androidNotificationDetails, null);
+      await downloadManager.flutterLocalNotificationsPlugin.show(
+        10,
+        'Downloading: ${d.track.title}',
+        (d.state == DownloadState.POST) ? 'Post processing...' : '${filesize(d.received)} / ${filesize(d.total)} (${queue.length} in queue)',
+        notificationDetails
+      );
+    });
+  }
+
+  //Update queue, start new download
+  void updateQueue() async {
+    if (_download == null && queue.length > 0 && !stopped) {
+      _download = queue[0].download(
+        onDone: () async {
+          //On download finished
+          await db.rawUpdate('UPDATE downloads SET state = 1 WHERE trackId = ?', [queue[0].track.id]);
+          queue.removeAt(0);
+          _download = null;
+          //Remove notification if no more downloads
+          if (queue.length == 0) {
+            _cancelNotifications = true;
+          }
+          updateQueue();
+        }
+      ).catchError((e, st) async {
+        if (stopped) return;
+        _cancelNotifications = true;
+
+        //Deezer error - track is unavailable
+        if (queue[0].state == DownloadState.DEEZER_ERROR) {
+          await db.rawUpdate('UPDATE downloads SET state = 4 WHERE trackId = ?', [queue[0].track.id]);
+          queue.removeAt(0);
+          _cancelNotifications = false;
+          _download = null;
+          updateQueue();
+          return;
+        }
+
+        //Clean
+        _download = null;
+        stopped = true;
+        print('Download error: $e\n$st');
+
+        queue[0].state = DownloadState.NONE;
+        //Shift to end
+        queue.add(queue[0]);
+        queue.removeAt(0);
+        //Show error
+        await _showError();
+      });
+      //Show download progress notifications
+      if (_cancelNotifications == null || _cancelNotifications) _startProgressNotification();
+    }
+  }
+
+  //Stop downloading and end my life
+  Future stop() async {
+    stopped = true;
+    if (_download != null) {
+      await queue[0].stop();
+    }
+    _download = null;
+  }
+
+  //Start again downloads
+  Future start() async {
+    if (_download != null) return;
+    stopped = false;
+    updateQueue();
+  }
+
+  //Show error notification
+  Future _showError() async {
+    AndroidNotificationDetails androidNotificationDetails = AndroidNotificationDetails(
+      'downloadError', 'Download Error', 'Download Error'
+    );
+    NotificationDetails notificationDetails = NotificationDetails(androidNotificationDetails, null);
+    flutterLocalNotificationsPlugin.show(
+      11, 'Error while downloading!', 'Please restart downloads in the library', notificationDetails
+    );
+  }
+
+  //Returns all offline tracks
+  Future<List<Track>> allOfflineTracks() async {
+    List data = await db.query('tracks', where: 'offline == 1');
+    List<Track> tracks = [];
+    //Load track data
+    for (var t in data) {
+      tracks.add(await getTrack(t['id']));
+    }
+    return tracks;
+  }
+
+  //Get all offline playlists
+  Future<List<Playlist>> getOfflinePlaylists() async {
+    List data = await db.query('playlists');
+    List<Playlist> playlists = [];
+    //Load playlists
+    for (var p in data) {
+      playlists.add(await getPlaylist(p['id']));
+    }
+    return playlists;
+  }
+
+  //Get playlist metadata with tracks
+  Future<Playlist> getPlaylist(String id) async {
+    if (id == null) return null;
+    List data = await db.query('playlists', where: 'id == ?', whereArgs: [id]);
+    if (data.length == 0) return null;
+    //Load playlist tracks
+    Playlist p = Playlist.fromSQL(data[0]);
+    for (int i=0; i<p.tracks.length; i++) {
+      p.tracks[i] = await getTrack(p.tracks[i].id);
+    }
+    return p;
+  }
+
+  //Gets favorites
+  Future<Playlist> getFavorites() async {
+    return await getPlaylist('FAVORITES');
+  }
+
+  Future<List<Album>> getOfflineAlbums({List albumsData}) async {
+    //Load albums
+    if (albumsData == null) {
+      albumsData = await db.query('albums', where: 'offline == 1');
+    }
+    List<Album> albums = albumsData.map((alb) => Album.fromSQL(alb)).toList();
+    for(int i=0; i<albums.length; i++) {
+      albums[i].library = true;
+      //Load tracks
+      for(int j=0; j<albums[i].tracks.length; j++) {
+        albums[i].tracks[j] = await getTrack(albums[i].tracks[j].id, album: albums[i]);
+      }
+      //Load artists
+      List artistsData = await db.rawQuery('SELECT * FROM artists WHERE id IN (${albumsData[i]['artists']})');
+      albums[i].artists = artistsData.map<Artist>((a) => Artist.fromSQL(a)).toList();
+    }
+    return albums;
+  }
+
+  //Get track with metadata from db
+  Future<Track> getTrack(String id, {Album album, List<Artist> artists}) async {
+    List tracks = await db.query('tracks', where: 'id == ?', whereArgs: [id]);
+    if (tracks.length == 0) return null;
+    Track t = Track.fromSQL(tracks[0]);
+    //Load album from DB
+    t.album = album ?? Album.fromSQL((await db.query('albums', where: 'id == ?', whereArgs: [t.album.id]))[0]);
+    if (artists != null) {
+      t.artists = artists;
+      return t;
+    }
+    //Load artists from DB
+    for (int i=0; i<t.artists.length; i++) {
+      t.artists[i] = Artist.fromSQL(
+          (await db.query('artists', where: 'id == ?', whereArgs: [t.artists[i].id]))[0]);
+    }
+    return t;
+  }
+  
+  Future removeOfflineTrack(String id) async {
+    //Check if track present in albums
+    List counter = await db.rawQuery('SELECT COUNT(*) FROM albums WHERE tracks LIKE "%$id%"');
+    if (counter[0]['COUNT(*)'] > 0) return;
+    //and in playlists
+    counter = await db.rawQuery('SELECT COUNT(*) FROM playlists WHERE tracks LIKE "%$id%"');
+    if (counter[0]['COUNT(*)'] > 0) return;
+    //Remove file
+    List download = await db.query('downloads', where: 'trackId == ?', whereArgs: [id]);
+    await File(download[0]['path']).delete();
+    //Delete from db
+    await db.delete('tracks', where: 'id == ?', whereArgs: [id]);
+    await db.delete('downloads', where: 'trackId == ?', whereArgs: [id]);
+  }
+
+  //Delete offline album
+  Future removeOfflineAlbum(String id) async {
+    List data = await db.rawQuery('SELECT * FROM albums WHERE id == ? AND offline == 1', [id]);
+    if (data.length == 0) return;
+    Map<String, dynamic> album = Map.from(data[0]); //make writable
+    //Remove DB
+    album['offline'] = 0;
+    await db.update('albums', album, where: 'id == ?', whereArgs: [id]);
+    //Get track ids
+    List<String> tracks = album['tracks'].split(',');
+    for (String t in tracks) {
+      //Remove tracks
+      await removeOfflineTrack(t);
+    }
+  }
+
+  Future removeOfflinePlaylist(String id) async {
+    List data = await db.query('playlists', where: 'id == ?', whereArgs: [id]);
+    if (data.length == 0) return;
+    Playlist p = Playlist.fromSQL(data[0]);
+    //Remove db
+    await db.delete('playlists', where: 'id == ?', whereArgs: [id]);
+    //Remove tracks
+    for(Track t in p.tracks) {
+      await removeOfflineTrack(t.id);
+    }
+  }
+
+  //Get path to offline track
+  Future<String> getOfflineTrackPath(String id) async {
+    List<Map> tracks = await db.rawQuery('SELECT path FROM downloads WHERE state == 1 AND trackId == ?', [id]);
+    if (tracks.length < 1) {
+      return null;
+    }
+    Download d = Download.fromSQL(tracks[0]);
+    return d.path;
+  }
+
+  Future addOfflineTrack(Track track, {private = true, forceStart = true}) async {
+    //Paths
+    String path = p.join(_offlinePath, track.id);
+    if (track.playbackDetails == null) {
+      //Get track from API if download info missing
+      track = await deezerAPI.track(track.id);
+    }
+
+    if (!private) {
+      //Check permissions
+      if (!(await Permission.storage.request().isGranted)) {
+        return;
+      }
+      //If saving to external
+      //Save just extension to path, will be generated before download
+      path = 'mp3';
+      if (settings.downloadQuality == AudioQuality.FLAC) {
+        path = 'flac';
+      }
+    } else {
+      //Load lyrics for private
+      try {
+        Lyrics l = await deezerAPI.lyrics(track.id);
+        track.lyrics = l;
+      } catch (e) {}
+    }
+
+    Download download = Download(track: track, path: path, private: private);
+    //Database
+    Batch b = db.batch();
+    b.insert('downloads', download.toSQL());
+    b.insert('tracks', track.toSQL(off: false), conflictAlgorithm: ConflictAlgorithm.ignore);
+
+    if (private) {
+      //Duplicate check
+      List<Map> duplicate = await db.rawQuery('SELECT * FROM downloads WHERE trackId == ?', [track.id]);
+      if (duplicate.length != 0) return;
+      //Save art
+      //await imagesDatabase.getImage(track.albumArt.full);
+      imagesDatabase.saveImage(track.albumArt.full);
+      //Save to db
+      b.insert('tracks', track.toSQL(off: true), conflictAlgorithm: ConflictAlgorithm.replace);
+      b.insert('albums', track.album.toSQL(), conflictAlgorithm: ConflictAlgorithm.ignore);
+      track.artists.forEach((art) => b.insert('artists', art.toSQL(), conflictAlgorithm: ConflictAlgorithm.ignore));
+    }
+    await b.commit();
+
+    queue.add(download);
+    if (forceStart) start();
+  }
+
+  Future addOfflineAlbum(Album album, {private = true}) async {
+    //Get full album from API if tracks are missing
+    if (album.tracks == null || album.tracks.length == 0) {
+      album = await deezerAPI.album(album.id);
+    }
+    //Update album in database
+    if (private) {
+      await db.insert('albums', album.toSQL(off: true), conflictAlgorithm: ConflictAlgorithm.replace);
+    }
+    //Save all tracks
+    for (Track track in album.tracks) {
+      await addOfflineTrack(track, private: private, forceStart: false);
+    }
+    start();
+  }
+
+  //Add offline playlist, can be also used as update
+  Future addOfflinePlaylist(Playlist playlist, {private = true}) async {
+    //Load full playlist if missing tracks
+    if (playlist.tracks == null || playlist.tracks.length != playlist.trackCount) {
+      playlist = await deezerAPI.fullPlaylist(playlist.id);
+    }
+    playlist.library = true;
+    //To DB
+    if (private) {
+      await db.insert('playlists', playlist.toSQL(), conflictAlgorithm: ConflictAlgorithm.replace);
+    }
+    //Download all tracks
+    for (Track t in playlist.tracks) {
+      await addOfflineTrack(t, private: private, forceStart: false);
+    }
+    start();
+  }
+
+
+  Future checkOffline({Album album, Track track, Playlist playlist}) async {
+    //Check if album/track (TODO: Artist, playlist) is offline
+    if (track != null) {
+      List res = await db.query('tracks', where: 'id == ? AND offline == 1', whereArgs: [track.id]);
+      if (res.length == 0) return false;
+      return true;
+    }
+
+    if (album != null) {
+      List res = await db.query('albums', where: 'id == ? AND offline == 1', whereArgs: [album.id]);
+      if (res.length == 0) return false;
+      return true;
+    }
+
+    if (playlist != null && playlist.id != null) {
+      List res = await db.query('playlists', where: 'id == ?', whereArgs: [playlist.id]);
+      if (res.length == 0) return false;
+      return true;
+    }
+    return false;
+  }
+
+  //Offline search
+  Future<SearchResults> search(String query) async {
+    SearchResults results = SearchResults(
+      tracks: [],
+      albums: [],
+      artists: [],
+      playlists: []
+    );
+    //Tracks
+    List tracksData = await db.rawQuery('SELECT * FROM tracks WHERE offline == 1 AND title like "%$query%"');
+    for (Map trackData in tracksData) {
+      results.tracks.add(await getTrack(trackData['id']));
+    }
+    //Albums
+    List albumsData = await db.rawQuery('SELECT * FROM albums WHERE offline == 1 AND title like "%$query%"');
+    results.albums = await getOfflineAlbums(albumsData: albumsData);
+    //Artists
+    //TODO: offline artists
+    //Playlists
+    List playlists = await db.rawQuery('SELECT * FROM playlists WHERE title like "%$query%"');
+    for (Map playlist in playlists) {
+      results.playlists.add(await getPlaylist(playlist['id']));
+    }
+    return results;
+  }
+
+  Future<List<Download>> getFinishedDownloads() async {
+    //Fetch from db
+    List<Map> data = await db.rawQuery("SELECT * FROM downloads INNER JOIN tracks ON tracks.id = downloads.trackId WHERE downloads.state = 1 OR downloads.state > 3");
+    List<Download> downloads = data.map<Download>((d) => Download.fromSQL(d, parseTrack: true)).toList();
+    return downloads;
+  }
+
+  //Get stats for library screen
+  Future<List<String>> getStats() async {
+    //Get offline counts
+    int trackCount = (await db.rawQuery('SELECT COUNT(*) FROM tracks WHERE offline == 1'))[0]['COUNT(*)'];
+    int albumCount = (await db.rawQuery('SELECT COUNT(*) FROM albums WHERE offline == 1'))[0]['COUNT(*)'];
+    int playlistCount = (await db.rawQuery('SELECT COUNT(*) FROM albums WHERE offline == 1'))[0]['COUNT(*)'];
+    //Free space
+    double diskSpace = await DiskSpace.getFreeDiskSpace;
+
+    //Used space
+    List<FileSystemEntity> offlineStat = await Directory(_offlinePath).list().toList();
+    int offlineSize = 0;
+    for (var fs in offlineStat) {
+      offlineSize += (await fs.stat()).size;
+    }
+
+    //Return as a list, maybe refactor in future if feature stays
+    return ([
+      trackCount.toString(),
+      albumCount.toString(),
+      playlistCount.toString(),
+      filesize(offlineSize),
+      filesize((diskSpace * 1000000).floor())
+    ]);
+  }
+
+  //Delete download from db
+  Future removeDownload(Download download) async {
+    await db.delete('downloads', where: 'trackId == ?', whereArgs: [download.track.id]);
+    queue.removeWhere((d) => d.track.id == download.track.id);
+    //TODO: remove files for downloaded
+  }
+
+  //Delete queue
+  Future clearQueue() async {
+    while (queue.length > 0) {
+      if (queue.length == 1) {
+        if (_download != null) break;
+        await removeDownload(queue[0]);
+        return;
+      }
+      await removeDownload(queue[1]);
+    }
+  }
+
+  //Remove non-private downloads
+  Future cleanDownloadHistory() async {
+    await db.delete('downloads', where: 'private == 0');
+  }
+
+}
+
+class Download {
+  Track track;
+  String path;
+  String url;
+  bool private;
+  DownloadState state;
+  String _cover;
+
+  //For canceling
+  IOSink _outSink;
+  CancelToken _cancel;
+  StreamSubscription _progressSub;
+
+  int received = 0;
+  int total = 1;
+
+  Download({this.track, this.path, this.url, this.private, this.state = DownloadState.NONE});
+
+  //Stop download
+  Future stop() async {
+    if (_cancel != null) _cancel.cancel();
+    //if (_outSink != null) _outSink.close();
+    if (_progressSub != null) _progressSub.cancel();
+
+    received = 0;
+    total = 1;
+    state = DownloadState.NONE;
+  }
+
+  Future download({onDone}) async {
+    Dio dio = Dio();
+
+    //TODO: Check for internet before downloading
+
+    Map rawTrackPublic = {};
+    Map rawAlbumPublic = {};
+    if (!this.private && !(this.path.endsWith('.mp3') || this.path.endsWith('.flac'))) {
+      String ext = this.path;
+      //Get track details
+      Map _rawTrackData = await deezerAPI.callApi('song.getListData', params: {'sng_ids': [track.id]});
+      Map rawTrack = _rawTrackData['results']['data'][0];
+      this.track = Track.fromPrivateJson(rawTrack);
+      //RAW Public API call (for genre and other tags)
+      try {rawTrackPublic = await deezerAPI.callPublicApi('track/${this.track.id}');} catch (e) {rawTrackPublic = {};}
+      try {rawAlbumPublic = await deezerAPI.callPublicApi('album/${this.track.album.id}');} catch (e) {rawAlbumPublic = {};}
+
+      //Global block check
+      if (rawTrackPublic['available_countries'] != null && rawTrackPublic['available_countries'].length == 0) {
+        this.state = DownloadState.DEEZER_ERROR;
+        throw Exception('Download error - not on Deezer');
+      }
+      
+      //Get path if public
+      RegExp sanitize = RegExp(r'[\/\\\?\%\*\:\|\"\<\>]');
+      //Download path
+      this.path = settings.downloadPath ??  (await ExtStorage.getExternalStoragePublicDirectory(ExtStorage.DIRECTORY_MUSIC));
+      if (settings.artistFolder)
+        this.path = p.join(this.path, track.artists[0].name.replaceAll(sanitize, ''));
+      if (settings.albumFolder) {
+        String folderName = track.album.title.replaceAll(sanitize, '');
+        //Add disk number
+        if (settings.albumDiscFolder) folderName += ' - Disk ${track.diskNumber}';
+
+        this.path = p.join(this.path, folderName);
+      }
+      //Make dirs
+      await Directory(this.path).create(recursive: true);
+
+      //Grab cover
+      _cover = p.join(this.path, 'cover.jpg');
+      if (!settings.albumFolder) _cover = p.join(this.path, randomAlpha(12) + '_cover.jpg');
+
+      if (!await File(_cover).exists()) {
+        try {
+          await dio.download(
+            this.track.albumArt.full,
+            _cover,
+          );
+        } catch (e) {print('Error downloading cover');}
+      }
+
+      //Create filename
+      String _filename = settings.downloadFilename;
+      //Feats filter
+      String feats = '';
+      if (track.artists.length > 1) feats = "feat. ${track.artists.sublist(1).map((a) => a.name).join(', ')}";
+      //Filters
+      Map<String, String> vars = {
+        '%artists%': track.artistString.replaceAll(sanitize, ''),
+        '%artist%': track.artists[0].name.replaceAll(sanitize, ''),
+        '%title%': track.title.replaceAll(sanitize, ''),
+        '%album%': track.album.title.replaceAll(sanitize, ''),
+        '%trackNumber%': track.trackNumber.toString(),
+        '%0trackNumber%': track.trackNumber.toString().padLeft(2, '0'),
+        '%feats%': feats
+      };
+      //Replace
+      vars.forEach((key, value) {
+        _filename = _filename.replaceAll(key, value);
+      });
+      _filename += '.$ext';
+
+      this.path = p.join(this.path, _filename);
+    }
+
+    //Check if file exists
+    if (await File(this.path).exists() && !settings.overwriteDownload) {
+      this.state = DownloadState.DONE;
+      onDone();
+      return;
+    }
+
+    //Download
+    this.state = DownloadState.DOWNLOADING;
+
+    //Quality fallback
+    if (this.url == null)
+      await _fallback();
+
+    //Create download file
+    File downloadFile = File(this.path + '.ENC');
+    //Get start position
+    int start = 0;
+    if (await downloadFile.exists()) {
+      FileStat stat = await downloadFile.stat();
+      start = stat.size;
+    } else {
+      //Create file if doesn't exist
+      await downloadFile.create(recursive: true);
+    }
+
+    //Download
+    _cancel = CancelToken();
+    Response response;
+    try {
+      response = await dio.get(
+        this.url,
+        options: Options(
+          responseType: ResponseType.stream,
+          headers: {
+            'Range': 'bytes=$start-'
+          },
+        ),
+        cancelToken: _cancel
+      );
+    } on DioError catch (e) {
+      //Deezer fetch error
+      if (e.response.statusCode == 403 || e.response.statusCode == 404) {
+        this.state = DownloadState.DEEZER_ERROR;
+      }
+      throw Exception('Download error - Deezer blocked.');
+    }
+
+    //Size
+    this.total = int.parse(response.headers['Content-Length'][0]) + start;
+    this.received = start;
+    //Save
+    _outSink = downloadFile.openWrite(mode: FileMode.append);
+    Stream<Uint8List> _data = response.data.stream.asBroadcastStream();
+    _progressSub = _data.listen((Uint8List c) {
+      this.received += c.length;
+    });
+    //Pipe to file
+    try {
+      await _outSink.addStream(_data);
+    } catch (e) {
+      await _outSink.close();
+      throw Exception('Download error');
+    }
+      await _outSink.close();
+    _cancel = null;
+
+    this.state = DownloadState.POST;
+    //Decrypt
+    await platformChannel.invokeMethod('decryptTrack', {'id': track.id, 'path': path});
+    //Tag
+    if (!private) {
+      //Tag track in native
+      String year;
+      if (rawTrackPublic['release_date'] != null && rawTrackPublic['release_date'].length >= 4)
+        year = rawTrackPublic['release_date'].substring(0, 4);
+
+      await platformChannel.invokeMethod('tagTrack', {
+        'path': path,
+        'title': track.title,
+        'album': track.album.title,
+        'artists': track.artistString,
+        'artist': track.artists[0].name,
+        'cover': _cover,
+        'trackNumber': track.trackNumber,
+        'diskNumber': track.diskNumber,
+        'genres': ((rawAlbumPublic['genres']??{})['data']??[]).map((g) => g['name']).toList(),
+        'year': year,
+        'bpm': rawTrackPublic['bpm'],
+        'explicit': (track.explicit??false) ? "1":"0",
+        'label': rawAlbumPublic['label'],
+        'albumTracks': rawAlbumPublic['nb_tracks'],
+        'date': rawTrackPublic['release_date'],
+        'albumArtist': (rawAlbumPublic['artist']??{})['name']
+      });
+      //Rescan android library
+      await platformChannel.invokeMethod('rescanLibrary', {
+        'path': path
+      });
+    }
+    //Remove encrypted
+    await File(path + '.ENC').delete();
+    if (!settings.albumFolder) await File(_cover).delete();
+
+    //Get lyrics
+    Lyrics lyrics;
+    try {
+      lyrics = await deezerAPI.lyrics(track.id);
+    } catch (e) {}
+    if (lyrics != null && lyrics.lyrics != null) {
+      //Create .LRC file
+      String lrcPath = p.join(p.dirname(path), p.basenameWithoutExtension(path)) + '.lrc';
+      File lrcFile = File(lrcPath);
+      String lrcData = '';
+      //Generate file
+      lrcData += '[ar:${track.artistString}]\r\n';
+      lrcData += '[al:${track.album.title}]\r\n';
+      lrcData += '[ti:${track.title}]\r\n';
+      for (Lyric l in lyrics.lyrics) {
+        if (l.lrcTimestamp != null && l.lrcTimestamp != '' && l.text != null)
+          lrcData += '${l.lrcTimestamp}${l.text}\r\n';
+      }
+      lrcFile.writeAsString(lrcData);
+    }
+
+    this.state = DownloadState.DONE;
+    onDone();
+    return;
+  }
+
+  Future _fallback({fallback}) async {
+    //Get quality
+    AudioQuality quality = private ? settings.offlineQuality : settings.downloadQuality;
+    if (fallback == AudioQuality.MP3_320) quality = AudioQuality.MP3_128;
+    if (fallback == AudioQuality.FLAC) {
+      quality = AudioQuality.MP3_320;
+      if (this.path.toLowerCase().endsWith('flac'))
+        this.path = this.path.substring(0, this.path.length - 4) + 'mp3';
+    }
+
+    //No more fallback
+    if (quality == AudioQuality.MP3_128) {
+      url = track.getUrl(settings.getQualityInt(quality));
+      return;
+    }
+
+    //Check
+    int q = settings.getQualityInt(quality);
+    try {
+      Response res = await Dio().head(track.getUrl(q));
+      if (res.statusCode == 200 || res.statusCode == 206) {
+        this.url = track.getUrl(q);
+        return;
+      }
+    } catch (e) {}
+
+    //Fallback
+    return _fallback(fallback: quality);
+  }
+
+  //JSON
+  Map<String, dynamic> toSQL() => {
+    'trackId': track.id,
+    'path': path,
+    'url': url,
+    'state': state.index,
+    'private': private?1:0
+  };
+  factory Download.fromSQL(Map<String, dynamic> data, {parseTrack = false}) => Download(
+    track: parseTrack?Track.fromSQL(data):Track(id: data['trackId']),
+    path: data['path'],
+    url: data['url'],
+    state: DownloadState.values[data['state']],
+    private: data['private'] == 1
+  );
+}
+
+enum DownloadState {
+  NONE,
+  DONE,
+  DOWNLOADING,
+  POST,
+  DEEZER_ERROR,
+  ERROR
+}

lib/api/player.dart

@@ -1,6 +1,9 @@
+import 'dart:math';
+
 import 'package:audio_service/audio_service.dart';
 import 'package:audio_session/audio_session.dart';
 import 'package:fluttertoast/fluttertoast.dart';
+import 'package:freezer/api/cache.dart';
 import 'package:freezer/api/deezer.dart';
 import 'package:freezer/ui/android_auto.dart';
 import 'package:just_audio/just_audio.dart';
@@ -21,6 +24,7 @@ PlayerHelper playerHelper = PlayerHelper();
 class PlayerHelper {
 
   StreamSubscription _customEventSubscription;
+  StreamSubscription _mediaItemSubscription;
   StreamSubscription _playbackStateStreamSubscription;
   QueueSource queueSource;
   LoopMode repeatType = LoopMode.off;
@@ -65,9 +69,26 @@ class PlayerHelper {
       //Log song (if allowed)
       if (event == null) return;
       if (event.processingState == AudioProcessingState.ready && event.playing) {
-        if (settings.logListen) deezerAPI.logListen(AudioService.currentMediaItem.id);
+        if (settings.logListen) {
+          //Check if duplicate
+          if (cache.loggedTrackId == AudioService.currentMediaItem.id) return;
+          cache.loggedTrackId = AudioService.currentMediaItem.id;
+          deezerAPI.logListen(AudioService.currentMediaItem.id);
+        }
       }
     });
+    _mediaItemSubscription = AudioService.currentMediaItemStream.listen((event) {
+      //Save queue
+      AudioService.customAction('saveQueue');
+
+      //Add to history
+      if (event == null) return;
+      if (cache.history == null) cache.history = [];
+      if (cache.history.length > 0 && cache.history.last.id == event.id) return;
+      cache.history.add(Track.fromMediaItem(event));
+      cache.save();
+    });
+
     //Start audio_service
     startService();
   }
@@ -79,7 +100,7 @@ class PlayerHelper {
       androidEnableQueue: true,
       androidStopForegroundOnPause: false,
       androidNotificationOngoing: false,
-      androidNotificationClickStartsActivity: true,
+      androidNotificationClickStartsActivity: false,
       androidNotificationChannelDescription: 'Freezer',
       androidNotificationChannelName: 'Freezer',
       androidNotificationIcon: 'drawable/ic_logo',
@@ -110,6 +131,7 @@ class PlayerHelper {
   Future onExit() async {
     _customEventSubscription.cancel();
     _playbackStateStreamSubscription.cancel();
+    _mediaItemSubscription.cancel();
   }
 
   //Replace queue, play specified track id
@@ -256,6 +278,13 @@ class AudioPlayerTask extends BackgroundAudioTask {
     });
     //Update state on all clients on change
     _eventSub = _player.playbackEventStream.listen((event) {
+      //Quality string
+      if (_queueIndex != -1 && _queueIndex < _queue.length) {
+        Map extras = mediaItem.extras;
+        extras['qualityString'] = event.qualityString??'';
+        _queue[_queueIndex] = mediaItem.copyWith(extras: extras);
+      }
+      //Update
       _broadcastState();
     });
     _player.processingStateStream.listen((state) {
@@ -296,6 +325,7 @@ class AudioPlayerTask extends BackgroundAudioTask {
 
     //Skip in player
     await _player.seek(Duration.zero, index: newIndex);
+    _queueIndex = newIndex;
     _skipState = null;
     onPlay();
   }
@@ -327,6 +357,40 @@ class AudioPlayerTask extends BackgroundAudioTask {
   @override
   Future<void> onSeekBackward(bool begin) async => _seekContinuously(begin, -1);
 
+  @override
+  Future<void> onSkipToNext() async {
+    //Shuffle
+    if (_player.shuffleModeEnabled??false) {
+      int newIndex = Random().nextInt(_queue.length)-1;
+      //Update state
+      _skipState = newIndex > _queueIndex
+          ? AudioProcessingState.skippingToNext
+          : AudioProcessingState.skippingToPrevious;
+
+      _queueIndex = newIndex;
+      await _player.seek(Duration.zero, index: _queueIndex);
+      _skipState = null;
+      return;
+    }
+
+    //Update buffering state
+    _skipState = AudioProcessingState.skippingToNext;
+    _queueIndex++;
+    await _player.seekToNext();
+    _skipState = null;
+    await _broadcastState();
+  }
+
+  @override
+  Future<void> onSkipToPrevious() async {
+    if (_queueIndex == 0) return;
+    //Update buffering state
+    _skipState = AudioProcessingState.skippingToPrevious;
+    _queueIndex--;
+    await _player.seekToPrevious();
+    _skipState = null;
+  }
+
   @override
   Future<List<MediaItem>> onLoadChildren(String parentMediaId) async {
     AudioServiceBackground.sendCustomEvent({
@@ -417,12 +481,16 @@ class AudioPlayerTask extends BackgroundAudioTask {
     this._queue = q;
     AudioServiceBackground.setQueue(_queue);
     //Load
+    _queueIndex = 0;
     await _loadQueue();
-    await _player.seek(Duration.zero, index: 0);
+    //await _player.seek(Duration.zero, index: 0);
   }
 
   //Load queue to just_audio
   Future _loadQueue() async {
+    //Don't reset queue index by starting player
+    int qi = _queueIndex;
+
     List<AudioSource> sources = [];
     for(int i=0; i<_queue.length; i++) {
       sources.add(await _mediaItemToAudioSource(_queue[i]));
@@ -432,9 +500,11 @@ class AudioPlayerTask extends BackgroundAudioTask {
     //Load in just_audio
     try {
       await _player.load(_audioSource);
+      await _player.seek(Duration.zero, index: qi);
     } catch (e) {
       //Error loading tracks
     }
+    _queueIndex = qi;
     AudioServiceBackground.setMediaItem(mediaItem);
   }
 
@@ -523,13 +593,14 @@ class AudioPlayerTask extends BackgroundAudioTask {
 
   //Export queue to JSON
   Future _saveQueue() async {
+    if (_queueIndex == 0 && _queue.length == 0) return;
+
     String path = await _getQueuePath();
     File f = File(path);
-    //Create if doesnt exist
+    //Create if doesn't exist
     if (! await File(path).exists()) {
       f = await f.create();
     }
-
     Map data = {
       'index': _queueIndex,
       'queue': _queue.map<Map<String, dynamic>>((mi) => mi.toJson()).toList(),
@@ -552,7 +623,7 @@ class AudioPlayerTask extends BackgroundAudioTask {
       if (_queue != null) {
         await AudioServiceBackground.setQueue(_queue);
         await _loadQueue();
-        AudioServiceBackground.setMediaItem(mediaItem);
+        await AudioServiceBackground.setMediaItem(mediaItem);
       }
     }
     //Send restored queue source to ui
@@ -568,7 +639,6 @@ class AudioPlayerTask extends BackgroundAudioTask {
     //-1 == play next
     if (index == -1) index = _queueIndex + 1;
 
-
     _queue.insert(index, mi);
     await AudioServiceBackground.setQueue(_queue);
     await _audioSource.insert(index, await _mediaItemToAudioSource(mi));

lib/api/spotify.dart

@@ -49,6 +49,7 @@ class SpotifyAPI {
     return playlist;
   }
 
+  
   Future convertPlaylist(SpotifyPlaylist playlist, {bool downloadOnly = false}) async {
     doneImporting = false;
     importingSpotifyPlaylist = playlist;

lib/languages/el_gr.dart

@@ -1,5 +1,11 @@
-const language_gr_el = {
-  "gr_el": {
+/*
+
+Translated by: VIRGIN_KLM
+
+ */
+
+const language_el_gr = {
+  "el_gr": {
     "Home": "Αρχική",
     "Search": "Αναζήτηση",
     "Library": "Βιβλιοθήκη",

lib/languages/en_us.dart

@@ -160,7 +160,7 @@ const language_en_us = {
     "Clear": "Clear",
     "Create folders for artist": "Create folders for artist",
     "Create folders for albums": "Create folders for albums",
-    "Separate albums by discs": "Separate albums by discs",
+    "Separate albums by discs": "Separate albums by disks",
     "Overwrite already downloaded files": "Overwrite already downloaded files",
     "Copy ARL": "Copy ARL",
     "Copy userToken/ARL Cookie for use in other apps.":
@@ -182,6 +182,33 @@ const language_en_us = {
     "Radio": "Radio",
     "Flow": "Flow",
     "Track is not available on Deezer!": "Track is not available on Deezer!",
-    "Failed to download track! Please restart.": "Failed to download track! Please restart."
+    "Failed to download track! Please restart.": "Failed to download track! Please restart.",
+
+    //0.5.0 Strings:
+    "Storage permission denied!": "Storage permission denied!",
+    "Failed": "Failed",
+    "Queued": "Queued",
+    "External": "External",
+    "Restart failed downloads": "Restart failed downloads",
+    "Clear failed": "Clear failed",
+    "Download Settings": "Download Settings",
+    "Create folder for playlist": "Create folder for playlist",
+    "Download .LRC lyrics": "Download .LRC lyrics",
+    "Proxy": "Proxy",
+    "Not set": "Not set",
+    "Search or paste URL": "Search or paste URL",
+    "History": "History",
+    "Download threads": "Download threads",
+    "Lyrics unavailable, empty or failed to load!": "Lyrics unavailable, empty or failed to load!",
+    "About": "About",
+    "Telegram Channel": "Telegram Channel",
+    "To get latest releases": "To get latest releases",
+    "Official chat": "Official chat",
+    "Telegram Group": "Telegram Group",
+    "Huge thanks to all the contributors! <3": "Huge thanks to all the contributors! <3",
+    "Edit playlist": "Edit playlist",
+    "Update": "Update",
+    "Playlist updated!": "Playlist updated!",
+    "Downloads added!": "Downloads added!"
   }
 };

lib/languages/fr_fr.dart

@@ -0,0 +1,199 @@
+/*
+
+Translated by: Fwwwwwwwwwweze
+
+ */
+
+const language_fr_fr = {
+  "fr_fr": {
+    "Home": "Acceuil",
+    "Search": "Recherche",
+    "Library": "Bibliothèque",
+    "Offline mode, can't play flow or smart track lists.":
+        "Le mode hors connexion ne permet pas d'accéder à votre Flow.",
+    "Added to library": "Ajouté à la bibliothèque",
+    "Download": "Télécharger",
+    "Disk": "Disque",
+    "Offline": "Hors connnexion",
+    "Top Tracks": "Top Tracks",
+    "Show more tracks": "Afficher plus de pistes",
+    "Top": "Top",
+    "Top Albums": "Top Albums",
+    "Show all albums": "Afficher tous les albums",
+    "Discography": "Discographie",
+    "Default": "Par défaut",
+    "Reverse": "Inverse",
+    "Alphabetic": "Alphabétique",
+    "Artist": "Artiste",
+    "Post processing...": "Post-traitement...",
+    "Done": "Effectué",
+    "Delete": "Supprimer",
+    "Are you sure you want to delete this download?":
+        "Êtes-vous certain de vouloir supprimer ce téléchargement ?",
+    "Cancel": "Annuler",
+    "Downloads": "Téléchargements",
+    "Clear queue": "Effacer file d'attente",
+    "This won't delete currently downloading item":
+        "Ceci ne supprimera pas l'élément en cours de téléchargement",
+    "Are you sure you want to delete all queued downloads?":
+        "Êtes-vous sûr de vouloir supprimer tous les téléchargements en file d'attente ?",
+    "Clear downloads history": "Effacer l'historique des téléchargements",
+    "WARNING: This will only clear non-offline (external downloads)":
+        "AVERTISSEMENT: Ceci n'effacera que les téléchargements non hors connexion (téléchargements externes)",
+    "Please check your connection and try again later...":
+        "Veuillez vérifier votre connexion et réessayer plus tard...",
+    "Show more": "Plus d'informations",
+    "Importer": "Importer",
+    "Currently supporting only Spotify, with 100 tracks limit":
+        "Ne fonctionne qu'avec Spotify pour le moment, avec une limite de 100 pistes",
+    "Due to API limitations": "En raison des limitations de l'API",
+    "Enter your playlist link below":
+        "Coller le lien de votre playlist ci-dessous",
+    "Error loading URL!": "Erreur de chargement de l'URL!",
+    "Convert": "Convertir",
+    "Download only": "Téléchargement uniquement",
+    "Downloading is currently stopped, click here to resume.":
+        "Le téléchargement est actuellement arrêté, cliquez ici pour le reprendre.",
+    "Tracks": "Pistes",
+    "Albums": "Albums",
+    "Artists": "Artistes",
+    "Playlists": "Playlists",
+    "Import": "Importer",
+    "Import playlists from Spotify": "Importer des playlists depuis Spotify",
+    "Statistics": "Statistiques",
+    "Offline tracks": "Pistes hors connexion",
+    "Offline albums": "Albums hors connexion",
+    "Offline playlists": "Playlists hors connexion",
+    "Offline size": "Taille des fichiers hors connexion",
+    "Free space": "Espace libre",
+    "Loved tracks": "Coups de cœur",
+    "Favorites": "Favoris",
+    "All offline tracks": "Toutes les pistes hors connexion",
+    "Create new playlist": "Créer une nouvelle playlist",
+    "Cannot create playlists in offline mode":
+        "Création de playlists impossible en mode hors connexion",
+    "Error": "Erreur",
+    "Error logging in! Please check your token and internet connection and try again.":
+        "Erreur de connexion ! Veuillez vérifier votre token et votre connexion internet et réessayer.",
+    "Dismiss": "Abandonner",
+    "Welcome to": "Bienvenue sur",
+    "Please login using your Deezer account.":
+        "Veuillez vous connecter en utilisant votre compte Deezer.",
+    "Login using browser": "Connexion via navigateur",
+    "Login using token": "Connexion via token",
+    "Enter ARL": "Saisir ARL",
+    "Token (ARL)": "Token (ARL)",
+    "Save": "Sauvegarder",
+    "If you don't have account, you can register on deezer.com for free.":
+        "Si vous n'avez pas de compte, vous pouvez vous inscrire gratuitement sur deezer.com.",
+    "Open in browser": "Ouvrir dans le navigateur",
+    "By using this app, you don't agree with the Deezer ToS":
+        "En utilisant cette application, vous ne respectez pas les CGU de Deezer",
+    "Play next": "Écouter juste après",
+    "Add to queue": "Ajouter à la file d'attente",
+    "Add track to favorites": "Ajouter aux Coups de cœur",
+    "Add to playlist": "Ajouter à une playlist",
+    "Select playlist": "Choisir une playlist",
+    "Track added to": "Piste ajoutée à",
+    "Remove from playlist": "Retirer de la playlist",
+    "Track removed from": "Piste retirée de",
+    "Remove favorite": "Supprimer Coup de cœur ",
+    "Track removed from library": "Piste supprimée de la bibliothèque",
+    "Go to": "Aller à",
+    "Make offline": "Rendre hors connexion",
+    "Add to library": "Ajouter à la bibliothèque",
+    "Remove album": "Supprimer l'album",
+    "Album removed": "Album supprimé",
+    "Remove from favorites": "Retirer des Coups de cœur",
+    "Artist removed from library": "Artiste supprimé de la bibliothèque",
+    "Add to favorites": "Ajouter aux Coups de cœur",
+    "Remove from library": "Retirer de la bibliothèque",
+    "Add playlist to library": "Ajouter la playlist à la bibliothèque",
+    "Added playlist to library": "Playlist ajoutée à la bibliothèque",
+    "Make playlist offline": "Rendre la playlist hors connexion",
+    "Download playlist": "Télécharger la playlist",
+    "Create playlist": "Créer une playlist",
+    "Title": "Titre",
+    "Description": "Description",
+    "Private": "Privée",
+    "Collaborative": "Collaborative",
+    "Create": "Créer",
+    "Playlist created!": "Playlist créée !",
+    "Playing from:": "Lecture à partir de :",
+    "Queue": "File d'attente",
+    "Offline search": "Recherche hors connexion",
+    "Search Results": "Résultats de la recherche",
+    "No results!": "Aucun résultat !",
+    "Show all tracks": "Afficher toutes les pistes",
+    "Show all playlists": "Afficher toutes les playlists",
+    "Settings": "Paramètres",
+    "General": "Général",
+    "Appearance": "Apparence",
+    "Quality": "Qualité",
+    "Deezer": "Deezer",
+    "Theme": "Thème",
+    "Currently": "Actuellement",
+    "Select theme": "Selectionner un thème",
+    "Light (default)": "Clair (Par défaut)",
+    "Dark": "Sombre",
+    "Black (AMOLED)": "Noir (AMOLED)",
+    "Deezer (Dark)": "Deezer (Sombre)",
+    "Primary color": "Couleur principale",
+    "Selected color": "Couleur sélectionnée",
+    "Use album art primary color":
+        "Utiliser la couleur dominante de la pochette en tant que couleur principale",
+    "Warning: might be buggy": "Attention : peut être buggé",
+    "Mobile streaming": "Streaming via réseau mobile",
+    "Wifi streaming": "Streaming via Wifi",
+    "External downloads": "Téléchargements externes",
+    "Content language": "Langue du contenu",
+    "Not app language, used in headers. Now":
+        "Pas la langue de l'appli, utilisée dans les en-têtes de catégories. Actuellement",
+    "Select language": "Selectionner la langue",
+    "Content country": "Pays contenu",
+    "Country used in headers. Now":
+        "Pays utilisé pour les bannières. Actuellement",
+    "Log tracks": "Journal d'écoute",
+    "Send track listen logs to Deezer, enable it for features like Flow to work properly":
+        "Envoie les journaux d'écoute à Deezer, activez-le pour que les fonctionnalités comme Flow fonctionnent correctement",
+    "Offline mode": "Mode hors connexion",
+    "Will be overwritten on start.": "Sera écrasé au démarrage.",
+    "Error logging in, check your internet connections.":
+        "Erreur de connexion, vérifiez votre connexion internet",
+    "Logging in...": "Connexion...",
+    "Download path": "Emplacement des téléchargements",
+    "Downloads naming": "Désignation des téléchargement",
+    "Downloaded tracks filename": "nom de fichier des pistes téléchargées",
+    "Valid variables are": "Les variables valides sont",
+    "Reset": "Réinitialiser",
+    "Clear": "Effacer",
+    "Create folders for artist": "Créer des dossiers par artiste",
+    "Create folders for albums": "Créer des dossiers par album",
+    "Separate albums by discs": "Séparer les albums par disques",
+    "Overwrite already downloaded files":
+        "Écraser les fichiers déjà téléchargés",
+    "Copy ARL": "Copier ARL",
+    "Copy userToken/ARL Cookie for use in other apps.":
+        "Copier le Cookie userToken/ARL pour l'utiliser dans d'autres applications.",
+    "Copied": "Copié",
+    "Log out": "Déconnexion",
+    "Due to plugin incompatibility, login using browser is unavailable without restart.":
+        "En raison d'une incompatibilité de plugin, la connexion à l'aide du navigateur est impossible sans redémarrage.",
+    "(ARL ONLY) Continue": "(ARL SEULEMENT) Continuer",
+    "Log out & Exit": "Se déconnecter et quitter",
+    "Pick-a-Path": "Choissez un emplacement",
+    "Select storage": "Selectionner le stockage",
+    "Go up": "Remonter",
+    "Permission denied": "Autorisation refusée",
+    "Language": "Langue",
+    "Language changed, please restart Freezer to apply!":
+        "Langue modifiée, veuillez redémarrer Freezer pour que les changements prennent effet!",
+    "Importing...": "Importation...",
+    "Radio": "Radio",
+    "Flow": "Flow",
+    "Track is not available on Deezer!":
+        "La piste n'est pas disponible sur Deezer!",
+    "Failed to download track! Please restart.":
+        "Echec du téléchargement de la piste ! Veuillez réessayer."
+  }
+};

lib/languages/he_il.dart

@@ -0,0 +1,193 @@
+/*
+
+Translated by: kobyrevah
+
+*/
+
+const language_he_il = {
+  "he_il": {
+    "Home": "בית",
+    "Search": "חיפוש",
+    "Library": "ספריה",
+    "Offline mode, can't play flow or smart track lists.":
+        "מצב לא מקוון, לא יכול לנגן flow או רשימות שירים חכמות.",
+    "Added to library": "הוסף לסיפרייה",
+    "Download": "הורד",
+    "Disk": "דיסק",
+    "Offline": "לא מקוון",
+    "Top Tracks": "השירים שבטופ",
+    "Show more tracks": "הראה עוד שירים",
+    "Top": "טופ",
+    "Top Albums": "האלבומים המובילים",
+    "Show all albums": "הראה את כל האלבומים",
+    "Discography": "דיסקוגרפיה",
+    "Default": "ברירת מחדל",
+    "Reverse": "הפוך",
+    "Alphabetic": "אלפבתי",
+    "Artist": "אמן",
+    "Post processing...": "לאחר עיבוד...",
+    "Done": "בוצע",
+    "Delete": "מחק",
+    "Are you sure you want to delete this download?":
+        "האם אתה בטוח שאתה רוצה למחוק את ההורדה הזאת?",
+    "Cancel": "בטל",
+    "Downloads": "הורדות",
+    "Clear queue": "נקה תור   ",
+    "This won't delete currently downloading item":
+        "פעולה זו לא תמחק את הפריט שמורד עכשיו",
+    "Are you sure you want to delete all queued downloads?":
+        "האם אתה בטוח שאתה רוצה למחוק את כל ההורדות שבתור?",
+    "Clear downloads history": "נקה היסטורית הורדות",
+    "WARNING: This will only clear non-offline (external downloads)":
+        "אזהרה:  זה ינקה רק את הקבצים שלא אופליין (כלומר רק הורדות חיצוניות)",
+    "Please check your connection and try again later...":
+        "בבקשה בדוק את חיבור הרשת שלך ונסה שוב מאוחר יותר...",
+    "Show more": "הראה עוד",
+    "Importer": "מייבא רשימות השמעה",
+    "Currently supporting only Spotify, with 100 tracks limit":
+        "כרגע תומך רק בספוטיפיי, עם הגבלה של 100 שירים",
+    "Due to API limitations": "בגלל מגבלות ה- API",
+    "Enter your playlist link below": "הכנס את קישור רשימת ההשמעה שלך למטה",
+    "Error loading URL!": "שגיאה בטעינת הקישור!",
+    "Convert": "המר",
+    "Download only": "הורד",
+    "Downloading is currently stopped, click here to resume.":
+        "ההורדה כרגע מושהית, לחץ כאן להמשיך.",
+    "Tracks": "שירים",
+    "Albums": "אלבומים",
+    "Artists": "אומנים",
+    "Playlists": "רשימות השמעה",
+    "Import": "יבא",
+    "Import playlists from Spotify": "יבא רשימת השמעה מספוטיפיי",
+    "Statistics": "סטטיסטיקה",
+    "Offline tracks": "שירים לא מקוונים",
+    "Offline albums": "אלבומים לא מקוונים",
+    "Offline playlists": "רשימות השמעה לא מקוונות",
+    "Offline size": "גודל קבצים לא מקוונים",
+    "Free space": "מקום פנוי",
+    "Loved tracks": "שירים אהובים",
+    "Favorites": "מועדפים",
+    "All offline tracks": "כל השירים הלא מקוונים",
+    "Create new playlist": "צור רשימת השמעה חדשה",
+    "Cannot create playlists in offline mode":
+        "לא יכול ליצור רשימת השמעה במצב אופליין",
+    "Error": "שגיאה",
+    "Error logging in! Please check your token and internet connection and try again.":
+        "שגיאה בהתחברות! בדוק בבקשה את הטוקן שלך או את חיבור האינטרנט שלך ונסה שוב.",
+    "Dismiss": "התעלם",
+    "Welcome to": "ברוך הבא ל",
+    "Please login using your Deezer account.":
+        "בבקשה התחבר עם חשבון הדיזר שלך.",
+    "Login using browser": "התחבר דרך הדפדפן",
+    "Login using token": "התחבר דרך טוקן",
+    "Enter ARL": "הכנס טוקן",
+    "Token (ARL)": "טוקן (קישור אישי)",
+    "Save": "שמור",
+    "If you don't have account, you can register on deezer.com for free.":
+        "לאם אין לך חשבון, אתה יכול להירשם ב deezer.com בחינם.",
+    "Open in browser": "פתח בדפדפן",
+    "By using this app, you don't agree with the Deezer ToS":
+        "באמצעות שימוש ביישום הזה, אתה לא מסכים עם התנאים של דיזר",
+    "Play next": "נגן הבא בתור",
+    "Add to queue": "הוסף לתור",
+    "Add track to favorites": "הוסף שיר למועדפים",
+    "Add to playlist": "הוסף לרשימת השמעה",
+    "Select playlist": "בחר רשימת השמעה",
+    "Track added to": "שיר נוסף ל",
+    "Remove from playlist": "הסר מרשימת השמעה",
+    "Track removed from": "שיר הוסר מ",
+    "Remove favorite": "הסר מועדף",
+    "Track removed from library": "השיר הוסר מהסיפרייה",
+    "Go to": "לך ל",
+    "Make offline": "הורד לשימוש לא מקוון",
+    "Add to library": "הוסף לספריה",
+    "Remove album": "הסר אלבום",
+    "Album removed": "אלבום הוסר",
+    "Remove from favorites": "הסר מהמועדפים",
+    "Artist removed from library": "אמן הוסר מהסיפרייה",
+    "Add to favorites": "הוסף למועדפים",
+    "Remove from library": "הסר מהסיפרייה",
+    "Add playlist to library": "הוסף רשימת השמעה לסיפרייה",
+    "Added playlist to library": "רשימת השמעה נוספה לסיפרייה",
+    "Make playlist offline": "צור רשימת השמעה לא מקוונת",
+    "Download playlist": "הורד רשימת השמעה",
+    "Create playlist": "צור רשימת המעה",
+    "Title": "שם",
+    "Description": "תיאור",
+    "Private": "פרטי",
+    "Collaborative": "שיתופי פעולה",
+    "Create": "צור",
+    "Playlist created!": "רשימת השמעה נוצרה!",
+    "Playing from:": "מנגן מ:",
+    "Queue": "תור",
+    "Offline search": "חיפוש אופליין",
+    "Search Results": "תוצאות חיפוש",
+    "No results!": "אין תוצאות!",
+    "Show all tracks": "הראה את כל השירים",
+    "Show all playlists": "הראה את כל רשימות ההשמעה",
+    "Settings": "הגדרות",
+    "General": "כללי",
+    "Appearance": "מראה",
+    "Quality": "איכות",
+    "Deezer": "דיזר",
+    "Theme": "ערכת נושא",
+    "Currently": "בשימוש כרגע",
+    "Select theme": "בחר ערכת נושא",
+    "Light (default)": "בהיר (ברירת מחדח)",
+    "Dark": "כהה",
+    "Black (AMOLED)": "שחור (אמולד)",
+    "Deezer (Dark)": "דיזר (כהה)",
+    "Primary color": "צבע ראשי",
+    "Selected color": "בחר צבע",
+    "Use album art primary color": "השתמש בצבע ראשי של תמונת האלבום",
+    "Warning: might be buggy": "אזהרה: יכול להיות באגים",
+    "Mobile streaming": "הזרמת רשת סלולרית",
+    "Wifi streaming": "הזרמת רשת אלחוטית",
+    "External downloads": "הורדות חיצוניות",
+    "Content language": "שפת תוכן",
+    "Not app language, used in headers. Now":
+        "לא שפת היישום, שימוש בכותרות. עכשיו",
+    "Select language": "בחר שפה",
+    "Content country": "מדינת תוכן",
+    "Country used in headers. Now": "מדינה שמוצגת בכותרות. עכשיו",
+    "Log tracks": "לוג שמיעת שירים",
+    "Send track listen logs to Deezer, enable it for features like Flow to work properly":
+        "שלח לוגים של השמעה לדיזר, הפעל מצב זה כדי שתכונות כמו flow יעבדו טוב",
+    "Offline mode": "מצב אופליין",
+    "Will be overwritten on start.": "יוחלף בהפעלה.",
+    "Error logging in, check your internet connections.":
+        "שגיאה בהתחברות, בדוק את חיבור הרשת שלך.",
+    "Logging in...": "מתחבר...",
+    "Download path": "נתיב הורדה",
+    "Downloads naming": "שינוי שם בהורדה",
+    "Downloaded tracks filename": "שם קבצי שירים בהורדה",
+    "Valid variables are": "האפשרויות המוצעות הם",
+    "Reset": "אתחל",
+    "Clear": "נקה",
+    "Create folders for artist": "צור תיקייה לאמנים",
+    "Create folders for albums": "צור תיקייה לאלבומים",
+    "Separate albums by discs": "חלק אלבומים לפי דיסקים",
+    "Overwrite already downloaded files": "החלף קבצים שכבר הורדו",
+    "Copy ARL": "העתק טוקן",
+    "Copy userToken/ARL Cookie for use in other apps.":
+        "העתק את הטוקן לשימוש בישומים אחרים.",
+    "Copied": "הועתק",
+    "Log out": "התנתק",
+    "Due to plugin incompatibility, login using browser is unavailable without restart.":
+        "בגלל אי התאמת התוסף, ההתחברות באמצעות הדפדפן אינה זמינה ללא הפעלה מחדש.",
+    "(ARL only) Continue": "(טוקן בלבד) המשך",
+    "Log out & Exit": "התנתק וצא",
+    "Pick-a-Path": "בחר נתיב",
+    "Select storage": "בחר אחסון",
+    "Go up": "עלה למעלה",
+    "Permission denied": "הרשאה נדחתה",
+    "Language": "שפה",
+    "Language changed, please restart Freezer to apply!":
+        "שפה שונתה, בבקשה הפעל מחדש את Freezer כדי להחיל!",
+    "Importing...": "מייבא...",
+    "Radio": "רדיו",
+    "Flow": "Flow",
+    "Track is not available on Deezer!": "שיר לא קיים בדיזר!",
+    "Failed to download track! Please restart.": "הורדת השיר נכשלה! התחל מחדש."
+  }
+};

lib/languages/hr_hr.dart

@@ -0,0 +1,195 @@
+/*
+
+Translated by: Shazzaam
+
+ */
+
+const language_hr_hr = {
+  "hr_hr": {
+    "Home": "Početna",
+    "Search": "Tražilica",
+    "Library": "Biblioteka",
+    "Offline mode, can't play flow or smart track lists.":
+        "Izvanmrežični način, ne može se reproducirati flow ili pametni popis pjesama",
+    "Added to library": "Dodano u biblioteku",
+    "Download": "Skini",
+    "Disk": "Disk",
+    "Offline": "Izvranmrežno",
+    "Top Tracks": "Top Pjesme",
+    "Show more tracks": "Prikaži više pjesama",
+    "Top": "Top",
+    "Top Albums": "Top Albumi",
+    "Show all albums": "Prikaži više albuma",
+    "Discography": "Diskografija",
+    "Default": "Zadano",
+    "Reverse": "Obrnuto",
+    "Alphabetic": "Abecedno",
+    "Artist": "Umjetnik",
+    "Post processing...": "Naknadna obrada...",
+    "Done": "Gotovo",
+    "Delete": "Izbriši",
+    "Are you sure you want to delete this download?":
+        "Jeste li sigurni da želite izbrisati ovo skidanje?",
+    "Cancel": "Poništi",
+    "Downloads": "Skidanja",
+    "Clear queue": "Očisti red",
+    "This won't delete currently downloading item":
+        "Ovo neće izbrisati stavku koja se trenutno skida ",
+    "Are you sure you want to delete all queued downloads?":
+        "Jeste li sigurni da želite da poništite sva skidanja u redu čekanja",
+    "Clear downloads history": "Očisti povijest skidanja",
+    "WARNING: This will only clear non-offline (external downloads)":
+        "UPOZORENJE: Ovo će ukloniti samo izvanmrežna (vanjska) skidanja",
+    "Please check your connection and try again later...":
+        "Molimo vas da provjerite vašu konekciju i da pokušate ponovno...",
+    "Show more": "Pokaži više",
+    "Importer": "Uvoznik",
+    "Currently supporting only Spotify, with 100 tracks limit":
+        "Trenutno podržava samo Spotify, sa limitom od 100 pjesama",
+    "Due to API limitations": "Zbog ograničenja API-a",
+    "Enter your playlist link below":
+        "Unesite vezu od vašeg popisa za reprodukciju ispod",
+    "Error loading URL!": "Pogreška pri učitavanju URL-a!",
+    "Convert": "Pretvori",
+    "Download only": "Samo skidanja",
+    "Downloading is currently stopped, click here to resume.":
+        "Skidanja su trenutno zaustavljena, kliknite ovdje da se nastave.",
+    "Tracks": "Pjesme",
+    "Albums": "Albumi",
+    "Artists": "Umjetnici",
+    "Playlists": "Popisi za reprodukciju",
+    "Import": "Uvezi",
+    "Import playlists from Spotify": "Uvezi popis za reprodukciju sa Spotify-a",
+    "Statistics": "Statistike",
+    "Offline tracks": "Izvanmrežične pjesme",
+    "Offline albums": "Izvanmrežični albumi",
+    "Offline playlists": "Izvanmrežični popisi za reprodukciju",
+    "Offline size": "Izvanmrežična veličina",
+    "Free space": "Slobodno mjesto",
+    "Loved tracks": "Voljene pjesme",
+    "Favorites": "Favoriti",
+    "All offline tracks": "Sve izvanmrežične pjesme",
+    "Create new playlist": "Kreirajte novi popis za reprodukciju",
+    "Cannot create playlists in offline mode":
+        "Nije moguće napraviti popis za reprodukciju u izvanmrežnom načinu",
+    "Error": "Pogreška",
+    "Error logging in! Please check your token and internet connection and try again.":
+        "Pogreška pri prijavljivanju! Molimo vas da provjerite token i internet konekciju i da pokušate ponovno.",
+    "Dismiss": "Odbaciti",
+    "Welcome to": "Dobrodošli u",
+    "Please login using your Deezer account.":
+        "Molimo vas da se prijavite pomoću vašeg Deezer računa.",
+    "Login using browser": "Prijava pomoću preglednika",
+    "Login using token": "Prijava pomoću tokena",
+    "Enter ARL": "Upišite ARL",
+    "Token (ARL)": "Token (ARL)",
+    "Save": "Spremi",
+    "If you don't have account, you can register on deezer.com for free.":
+        "Ako nemate račun, možete se besplatno registrirati na deezer.com.",
+    "Open in browser": "Otvori u pregledniku",
+    "By using this app, you don't agree with the Deezer ToS":
+        "Korištenjem ove aplikacije, ne slažete se sa Deezer Uvjetima pružanja usluge",
+    "Play next": "Pokreni sljedeću",
+    "Add to queue": "Dodaj u red ",
+    "Add track to favorites": "Dodaj pjesmu u omiljene",
+    "Add to playlist": "Dodaj u popis za reprodukciju",
+    "Select playlist": "Izaberi popis za reprodukciju",
+    "Track added to": "Pjesma je dodana u",
+    "Remove from playlist": "Ukloni iz popisa za reprodukciju",
+    "Track removed from": "Pjesma je uklonjena iz",
+    "Remove favorite": "Uklonite omiljenu",
+    "Track removed from library": "Pjesma je uklonjena iz biblioteke",
+    "Go to": "Idi u",
+    "Make offline": "Postavi izvanmrežno",
+    "Add to library": "Dodaj u biblioteku",
+    "Remove album": "Ukloni album",
+    "Album removed": "Album uklonjen",
+    "Remove from favorites": "Ukloni iz omiljenih",
+    "Artist removed from library": "Umjetnik je uklonjen iz biblioteke",
+    "Add to favorites": "Dodaj u omiljene",
+    "Remove from library": "Ukloni iz biblioteke",
+    "Add playlist to library": "Dodaj popis za reprodukciju u biblioteku",
+    "Added playlist to library": "Popis za reprodukciju je dodan u biblioteku",
+    "Make playlist offline": "Napravi popis za reprodukciju izvanmrežan.",
+    "Download playlist": "Skini popis za reprodukciju",
+    "Create playlist": "Napravi popis za reprodukciju",
+    "Title": "Naslov",
+    "Description": "Opis",
+    "Private": "Privatno",
+    "Collaborative": "Suradnički",
+    "Create": "Napravi",
+    "Playlist created!": "Popis za reprodukciju je napravljen!",
+    "Playing from:": "Svira iz:",
+    "Queue": "Red",
+    "Offline search": "Izvanmrežno traženje",
+    "Search Results": "Rezultati traženja",
+    "No results!": "Nema rezultata!",
+    "Show all tracks": "Prikaži sve pjesme!",
+    "Show all playlists": "Prikaži sve popise za reprodukciju",
+    "Settings": "Postavke",
+    "General": "Općenito",
+    "Appearance": "Izgled",
+    "Quality": "Kvalitet",
+    "Deezer": "Deezer",
+    "Theme": "Tema",
+    "Currently": "Trenutno",
+    "Select theme": "Izaberi temu",
+    "Light (default)": "Svijetla (Zadano)",
+    "Dark": "Mračno",
+    "Black (AMOLED)": "Crno (AMOLED)",
+    "Deezer (Dark)": "Deezer (Mračno)",
+    "Primary color": "Primarna boja",
+    "Selected color": "Izabrana boja",
+    "Use album art primary color": "Koristi primarnu boju slike albuma",
+    "Warning: might be buggy": "Upozorenje: može biti bugovito",
+    "Mobile streaming": "Strimovanje preko mobilnih podataka",
+    "Wifi streaming": "Strimovanje preko wifi-a",
+    "External downloads": "Vanjska skidanja",
+    "Content language": "Jezik skidanja",
+    "Not app language, used in headers. Now":
+        "Nije jezik aplikacije, korišteno u zaglavjima.",
+    "Select language": "Izaberi jezik",
+    "Content country": "Zemlja sadržaja",
+    "Country used in headers. Now": "Zemlja korištena u zaglavjima. Sad",
+    "Log tracks": "Zapis traka",
+    "Send track listen logs to Deezer, enable it for features like Flow to work properly":
+        "Šalji zapisnike slušanja pjesama Deezeru, omogućite za mogućnosti kao Flow da rade ispravno",
+    "Offline mode": "Izvanmrežični način",
+    "Will be overwritten on start.": "Biti će napisano preko na početku.",
+    "Error logging in, check your internet connections.":
+        "Pogreška prilikom prijavljivanja, molimo vas da provjerite vašu internet konekciju.",
+    "Logging in...": "Prijavljivanje...",
+    "Download path": "Mjesto za skidanja",
+    "Downloads naming": "Imenovanja skidanja",
+    "Downloaded tracks filename": "Naziv datoteka skinutih pjesama",
+    "Valid variables are": "Važeće varijable su",
+    "Reset": "Resetiraj",
+    "Clear": "Očisti",
+    "Create folders for artist": "Napravi datoteke za umjetnike",
+    "Create folders for albums": "Napravi datoteke za albume",
+    "Separate albums by discs": "Odvoji albume od diskova",
+    "Overwrite already downloaded files": "Napiši preko već skinutih datoteka",
+    "Copy ARL": "Kopiraj ARL",
+    "Copy userToken/ARL Cookie for use in other apps.":
+        "Kopiraj userToken/ARL cookie za korištenje u drugim aplikacijama.",
+    "Copied": "Kopirano",
+    "Log out": "Odjavi se",
+    "Due to plugin incompatibility, login using browser is unavailable without restart.":
+        "Zbog nekompatibilnosti dodataka, prijava putem preglednika nije dostupna bez ponovnog pokretanja.",
+    "(ARL ONLY) Continue": "(SAMO ARL) Nastavi",
+    "Log out & Exit": "Odjavi se i izađi",
+    "Pick-a-Path": "Izaberi mjesto",
+    "Select storage": "Izaberi skladište",
+    "Go up": "Idi gore",
+    "Permission denied": "Dozvola odbijena",
+    "Language": "Jezik",
+    "Language changed, please restart Freezer to apply!":
+        "Jezik je promjenjen, molimo vas da ponovno pokrenete Freezer da se promjene primjene.",
+    "Importing...": "Uvoženje...",
+    "Radio": "Radio",
+    "Flow": "Flow",
+    "Track is not available on Deezer!": "Pjesma nije dostupna na Deezeru!",
+    "Failed to download track! Please restart.":
+        "Preuzimanje pjesme nije uspjelo! Molimo vas da ponovno pokrenite."
+  }
+};

lib/languages/ko_ko.dart

@@ -0,0 +1,188 @@
+/*
+
+Translated by: koreezzz
+
+ */
+
+const language_ko_ko = {
+  "ko_ko": {
+    "Home": "홈",
+    "Search": "검색",
+    "Library": "라이브러리",
+    "Offline mode, can't play flow or smart track lists.":
+        "오프라인 모드. Flow 또는 스마트 트랙 목록을 재생할 수 없습니다.",
+    "Added to library": "라이브러리에 추가됨",
+    "Download": "다운로드",
+    "Disk": "디스크",
+    "Offline": "오프라인",
+    "Top Tracks": "인기 트랙",
+    "Show more tracks": "더 많은 트랙보기",
+    "Top": "인기",
+    "Top Albums": "인기 앨범",
+    "Show all albums": "모든 앨범보기",
+    "Discography": "디스코그래피",
+    "Default": "기본값",
+    "Reverse": "역전",
+    "Alphabetic": "알파벳순",
+    "Artist": "가수",
+    "Post processing...": "후 처리…",
+    "Done": "완료",
+    "Delete": "삭제",
+    "Are you sure you want to delete this download?": "이 다운로드를 삭제 하시겠습니까?",
+    "Cancel": "취소",
+    "Downloads": "다운로드한 내용",
+    "Clear queue": "목록 지우기",
+    "This won't delete currently downloading item": "현재 다운로드중인 항목은 삭제되지 않습니다.",
+    "Are you sure you want to delete all queued downloads?":
+        "대기중인 모든 다운로드를 삭제 하시겠습니까?",
+    "Clear downloads history": "다운로드 기록 지우기",
+    "WARNING: This will only clear non-offline (external downloads)":
+        "경고 : 오프라인이 아닌 내용만 삭제됩니다 (외부 다운로드).",
+    "Please check your connection and try again later...":
+        "인터넷 연결을 확인하고 나중에 다시 시도하십시오 ...",
+    "Show more": "자세히보기",
+    "Importer": "수입자",
+    "Currently supporting only Spotify, with 100 tracks limit":
+        "현재 Spotify 만 지원하며 트랙 제한은 100 곡입니다.",
+    "Due to API limitations": "API 제한으로 인해",
+    "Enter your playlist link below": "아래에 곡목표 링크 입력 하십시오",
+    "Error loading URL!": "URL 불러 오기 오류!",
+    "Convert": "변환",
+    "Download only": "다운로드 전용",
+    "Downloading is currently stopped, click here to resume.":
+        "다운로드는 현재 중지되었습니다. 다시 시작하려면 여기를 클릭하십시오.",
+    "Tracks": "트랙",
+    "Albums": "앨범",
+    "Artists": "가수",
+    "Playlists": "재생 목록",
+    "Import": "수입",
+    "Import playlists from Spotify": "Spotify에서 재생 목록을 가져 오기",
+    "Statistics": "통계",
+    "Offline tracks": "오프라인 트랙",
+    "Offline albums": "오프라인 앨범",
+    "Offline playlists": "오프라인 재생 목록",
+    "Offline size": "오프라인 사이즈",
+    "Free space": "자유 공간",
+    "Loved tracks": "즐겨 찾기는 트랙",
+    "Favorites": "즐겨 찾기",
+    "All offline tracks": "모든 오프라인 트랙",
+    "Create new playlist": "새 재생 목록을 만들기",
+    "Cannot create playlists in offline mode": "오프라인 모드에서 재생 목록을 만들 수 없습니다.",
+    "Error": "오류",
+    "Error logging in! Please check your token and internet connection and try again.":
+        "로그인 오류! 토큰 및 인터넷 연결을 확인하고 다시 시도하십시오.",
+    "Dismiss": "해고",
+    "Welcome to": "\$에 오신 것을 환영합니다",
+    "Please login using your Deezer account.": "Deezer 계정을 사용하여 로그인하십시오.",
+    "Login using browser": "브라우저를 사용하여 로그인",
+    "Login using token": "토큰을 사용하여 로그인",
+    "Enter ARL": "ARL 입력",
+    "Token (ARL)": "토큰 (ARL)",
+    "Save": "저장",
+    "If you don't have account, you can register on deezer.com for free.":
+        "계정이 없으시면 deezer.com에서 무료로 등록하실 수 있습니다.",
+    "Open in browser": "브라우저에서 열기",
+    "By using this app, you don't agree with the Deezer ToS":
+        "이 앱을 사용하면 Deezer ToS에 동의하지 않습니다.",
+    "Play next": "다음 재생",
+    "Add to queue": "목록에 추가",
+    "Add track to favorites": "즐겨 찾기에 트랙 추가",
+    "Add to playlist": "재생 목록에 추가",
+    "Select playlist": "재생 목록을 선택",
+    "Track added to": "\$에 트랙을 추가되었습니다",
+    "Remove from playlist": "재생 목록에서 삭제",
+    "Track removed from": "\$에서 트랙을 삭제되었습니다",
+    "Remove favorite": "즐겨 찾기를 삭제",
+    "Track removed from library": "라이브러리에서 트랙을 삭제되었습니다",
+    "Go to": "\$에 이동",
+    "Make offline": "오프라인으로 설정",
+    "Add to library": "라이브러리에 추가",
+    "Remove album": "앨범을 삭제",
+    "Album removed": "앨범을 삭제되었습니다",
+    "Remove from favorites": "즐겨 찾기에서 삭제",
+    "Artist removed from library": "가수를 라이브러리에서 삭제되었습니다.",
+    "Add to favorites": "즐겨 찾기에 추가",
+    "Remove from library": "라이브러리에서 삭제",
+    "Add playlist to library": "라이브러리에 재생 목록을 추가",
+    "Added playlist to library": "라이브러리에 재생 목록을 추가되었습니다",
+    "Make playlist offline": "재생 목록을 오프라인으로 설정",
+    "Download playlist": "재생 목록을 다운로드",
+    "Create playlist": "재생 목록을 만들기",
+    "Title": "타이틀",
+    "Description": "서술",
+    "Private": "사유의",
+    "Collaborative": "공동의",
+    "Create": "창조",
+    "Playlist created!": "재생 목록을 생성되었습니다!",
+    "Playing from:": "\$부터 재생:",
+    "Queue": "목록",
+    "Offline search": "오프라인 검색",
+    "Search Results": "검색 결과",
+    "No results!": "결과가 없습니다!",
+    "Show all tracks": "모든 트랙을 보기",
+    "Show all playlists": "모든 재생 목록을 보기",
+    "Settings": "설정",
+    "General": "일반",
+    "Appearance": "외모",
+    "Quality": "품질",
+    "Deezer": "Deezer",
+    "Theme": "테마",
+    "Currently": "현재",
+    "Select theme": "테마 선택",
+    "Light (default)": "라이트 (기본값)",
+    "Dark": "다크",
+    "Black (AMOLED)": "블랙 (AMOLED)",
+    "Deezer (Dark)": "Deezer (다크)",
+    "Primary color": "원색",
+    "Selected color": "선택한 색상",
+    "Use album art primary color": "앨범 아트 기본 색상 사용",
+    "Warning: might be buggy": "경고: 버그가 있을 수 있습니다.",
+    "Mobile streaming": "모바일 스트리밍",
+    "Wifi streaming": "Wi-Fi 스트리밍",
+    "External downloads": "외부 다운로드",
+    "Content language": "콘텐츠 언어",
+    "Not app language, used in headers. Now": "헤더에 사용된 앱 언어가 아닙니다. 현재",
+    "Select language": "언어 선택",
+    "Content country": "콘텐츠 국가",
+    "Country used in headers. Now": "헤더에 사용 된 국가. 현재",
+    "Log tracks": "트랙로그",
+    "Send track listen logs to Deezer, enable it for features like Flow to work properly":
+        "Deezer에 트랙로그를 전송. Flow와 같은 기능이 제대로 작동하려면 이 기능을 활성화하십시오.",
+    "Offline mode": "오프라인 모드",
+    "Will be overwritten on start.": "시작할 때 덮어 씁니다.",
+    "Error logging in, check your internet connections.":
+        "로그인 오류, 인터넷 연결을 확인하십시오.",
+    "Logging in...": "…\$에로그인 중",
+    "Download path": "다운로드 경로",
+    "Downloads naming": "다운로드 네이밍",
+    "Downloaded tracks filename": "다운로드 된 트랙 파일명",
+    "Valid variables are": "유효한 변수",
+    "Reset": "초기화",
+    "Clear": "치우기",
+    "Create folders for artist": "가수 용 폴더 만들기",
+    "Create folders for albums": "앨범 용 폴더 만들기",
+    "Separate albums by discs": "디스크별로 앨범 분리",
+    "Overwrite already downloaded files": "이미 다운로드 한 파일을 덮어 쓰기",
+    "Copy ARL": "ARL 복사",
+    "Copy userToken/ARL Cookie for use in other apps.":
+        "다른 앱에서 사용하기 위해 사용자 토큰 / ARL 쿠키를 복사하기.",
+    "Copied": "복사 됨",
+    "Log out": "로그 아웃",
+    "Due to plugin incompatibility, login using browser is unavailable without restart.":
+        "플러그인 비 호환성으로 인해 다시 시작하지 않으면 브라우저를 사용하여 로그인 할 수 없습니다.",
+    "(ARL ONLY) Continue": "(ARL 만 해당) 계속",
+    "Log out & Exit": "로그 아웃 및 종료",
+    "Pick-a-Path": "경로 선택",
+    "Select storage": "저장소 선택",
+    "Go up": "위로 이동",
+    "Permission denied": "권한이 거부되었습니다.",
+    "Language": "언어",
+    "Language changed, please restart Freezer to apply!":
+        "언어가 변경되었습니다. 적용하려면 Freezer를 다시 시작하세요!",
+    "Importing...": "…\$가져 오는 중",
+    "Radio": "라디오",
+    "Flow": "Flow",
+    "Track is not available on Deezer!": "Deezer에서는 트랙을 사용할 수 없습니다!",
+    "Failed to download track! Please restart.": "트랙을 다운로드하지 못했습니다! 다시 시작하십시오.",
+  }
+};

lib/languages/ru_ru.dart

@@ -9,12 +9,11 @@ const language_ru_ru = {
     "Home": "Главная",
     "Search": "Поиск",
     "Library": "Библиотека",
-    "Offline mode, can't play flow or smart track lists.":
-    "Автономный режим, нельзя воспроизводить потоки или умные списки треков.",
+    "Offline mode, can't play flow or smart track lists.": "Офлайн режим, нельзя воспроизводить потоки или умные списки треков.",
     "Added to library": "Добавить в библиотеку",
     "Download": "Скачать",
-    "Disk": "Disk",
-    "Offline": "Офлайн",
+    "Disk": "Диск",
+    "Offline": "Скачанные треки",
     "Top Tracks": "Лучшие треки",
     "Show more tracks": "Показать больше треков",
     "Top": "Top",
@@ -24,17 +23,16 @@ const language_ru_ru = {
     "Default": "По умолчанию",
     "Reverse": "Обратный",
     "Alphabetic": "По алфавиту",
-    "Artist": "Артист",
+    "Artist": "Исполнитель",
     "Post processing...": "Постобработка...",
     "Done": "Готово",
     "Delete": "Удалить",
     "Are you sure you want to delete this download?":
-    "Вы действительно хотите удалить эту загрузку??",
+    "Вы действительно хотите удалить эту загрузку?",
     "Cancel": "Отмена",
     "Downloads": "Загрузки",
     "Clear queue": "Очистить очередь",
-    "This won't delete currently downloading item":
-    "Это не удалит загружаемый в данный момент элемент",
+    "This won't delete currently downloading item": "Это не удалит загружаемый в данный момент элемент",
     "Are you sure you want to delete all queued downloads?":
     "Вы действительно хотите удалить все загрузки в очереди?",
     "Clear downloads history": "Очистить историю загрузок",
@@ -44,20 +42,18 @@ const language_ru_ru = {
     "Пожалуйста, проверьте ваше соединение и повторите попытку позже...",
     "Show more": "Показать больше",
     "Importer": "Импортер",
-    "Currently supporting only Spotify, with 100 tracks limit":
-    "В настоящее время поддерживается только Spotify с ограничением 100 треков",
+    "Currently supporting only Spotify, with 100 tracks limit": "В настоящее время поддерживается только Spotify, с ограничением 100 треков",
     "Due to API limitations": "Из-за ограничений API",
     "Enter your playlist link below": "Введите ссылку на свой плейлист ниже",
     "Error loading URL!": "Ошибка загрузки URL!",
     "Convert": "Перерабатывать",
-    "Download only": "Только скачиные",
-    "Downloading is currently stopped, click here to resume.":
-    "В настоящее время загрузка остановлена, нажмите здесь, чтобы возобновить.",
+    "Download only": "Только скачанные",
+    "Downloading is currently stopped, click here to resume.": "В настоящее время загрузка остановлена, нажмите здесь, чтобы возобновить.",
     "Tracks": "Треки",
     "Albums": "Альбомы",
     "Artists": "Артисты",
     "Playlists": "Плейлисты",
-    "Import": "Import",
+    "Import": "Импорт",
     "Import playlists from Spotify": "Импортировать плейлисты из Spotify",
     "Statistics": "Статистика",
     "Offline tracks": "Автономные треки",
@@ -67,10 +63,9 @@ const language_ru_ru = {
     "Free space": "Свободное место",
     "Loved tracks": "Любимые треки",
     "Favorites": "Избранное",
-    "All offline tracks": "Все оффлайн треки",
+    "All offline tracks": "Скачанные треки",
     "Create new playlist": "Создать новый плейлист",
-    "Cannot create playlists in offline mode":
-    "Невозможно создавать плейлисты в автономном режиме",
+    "Cannot create playlists in offline mode": "Невозможно создавать плейлисты в автономном режиме",
     "Error": "Ошибка",
     "Error logging in! Please check your token and internet connection and try again.":
     "Ошибка входа! Проверьте свой токен и подключение к Интернету и повторите попытку.",
@@ -127,39 +122,38 @@ const language_ru_ru = {
     "Show all playlists": "Показать все плейлисты",
     "Settings": "Настройки",
     "General": "Общее",
-    "Appearance": "Внешность",
-    "Quality": "Качественный",
+    "Appearance": "Интерфейс",
+    "Quality": "Качество звука",
     "Deezer": "Deezer",
     "Theme": "Тема",
-    "Currently": "В настоящее время",
+    "Currently": "Выбрана тема",
     "Select theme": "Выберите тему",
     "Light (default)": "Светлая (По умолчанию)",
-    "Dark": "Темная",
+    "Dark": "Dark (Темная тема)",
     "Black (AMOLED)": "Черная (AMOLED)",
     "Deezer (Dark)": "Deezer (Dark)",
     "Primary color": "Основной цвет",
     "Selected color": "Выбранный цвет",
-    "Use album art primary color": "Использовать основной цвет обложки альбома",
+    "Use album art primary color": "Использовать цвет обложки",
     "Warning: might be buggy": "Предупреждение: может быть ошибка",
-    "Mobile streaming": "Мобильная трансляция",
-    "Wifi streaming": "Wifi трансляция",
+    "Mobile streaming": "Мобильная сеть",
+    "Wifi streaming": "Wifi сеть",
     "External downloads": "Внешние загрузки",
     "Content language": "Язык содержания",
-    "Not app language, used in headers. Now":
-    "Не язык приложения, используемый в заголовках. Сейчас",
+    "Not app language, used in headers. Now": "Используемый в заголовках. Сейчас",
     "Select language": "Выберите язык",
     "Content country": "Страна содержания",
     "Country used in headers. Now": "Страна, используемая в заголовках. Сейчас",
     "Log tracks": "Журнал треков",
     "Send track listen logs to Deezer, enable it for features like Flow to work properly":
     "Отправьте журналы прослушивания треков в Deezer, включите его, чтобы такие функции, как Flow, работали правильно",
-    "Offline mode": "Автономный режим",
+    "Offline mode": "Офлайн режим",
     "Will be overwritten on start.": "Будет перезаписан при запуске.",
     "Error logging in, check your internet connections.":
     "Ошибка при входе, проверьте свои интернет-соединения.",
     "Logging in...": "Происходит вход в систему...",
-    "Download path": "Скачать путь",
-    "Downloads naming": "Именование загрузок",
+    "Download path": "Путь сохранения файлов",
+    "Downloads naming": "Название при скачивании",
     "Downloaded tracks filename": "Имя файла загруженных треков",
     "Valid variables are": "Допустимые переменные:",
     "Reset": "Сброс",
@@ -181,7 +175,7 @@ const language_ru_ru = {
     "Select storage": "Выберите хранилище",
     "Go up": "Подниматься",
     "Permission denied": "Доступ запрещен",
-    "Language": "Язык",
+    "Language": "Язык приложения",
     "Language changed, please restart Freezer to apply!": "Язык изменен, перезапустите Freezer, чтобы применить!",
     "Importing...": "Импорт...",
     "Radio": "Радио"

lib/main.dart

@@ -2,7 +2,9 @@ import 'package:audio_service/audio_service.dart';
 import 'package:custom_navigator/custom_navigator.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
+import 'package:flutter/services.dart';
 import 'package:flutter_localizations/flutter_localizations.dart';
+import 'package:freezer/api/cache.dart';
 import 'package:freezer/ui/library.dart';
 import 'package:freezer/ui/login_screen.dart';
 import 'package:freezer/ui/search.dart';
@@ -28,8 +30,8 @@ void main() async {
 
   //Initialize globals
   settings = await Settings().loadSettings();
-  //await imagesDatabase.init();
   await downloadManager.init();
+  cache = await Cache.load();
 
   runApp(FreezerApp());
 }
@@ -108,7 +110,7 @@ class _LoginMainWrapperState extends State<LoginMainWrapper> {
       //Load token on background
       deezerAPI.arl = settings.arl;
       settings.offlineMode = true;
-      deezerAPI.authorize().then((b) {
+      deezerAPI.authorize().then((b) async {
         if (b) setState(() => settings.offlineMode = false);
       });
     }

lib/settings.dart

@@ -1,6 +1,7 @@
 import 'dart:async';
 
 import 'package:audio_service/audio_service.dart';
+import 'package:freezer/api/download.dart';
 import 'package:freezer/main.dart';
 import 'package:freezer/ui/cached_image.dart';
 import 'package:json_annotation/json_annotation.dart';
@@ -51,6 +52,12 @@ class Settings {
   bool albumDiscFolder;
   @JsonKey(defaultValue: false)
   bool overwriteDownload;
+  @JsonKey(defaultValue: 2)
+  int downloadThreads;
+  @JsonKey(defaultValue: false)
+  bool playlistFolder;
+  @JsonKey(defaultValue: true)
+  bool downloadLyrics;
 
 
   //Appearance
@@ -76,6 +83,8 @@ class Settings {
   String deezerCountry;
   @JsonKey(defaultValue: false)
   bool logListen;
+  @JsonKey(defaultValue: null)
+  String proxyAddress;
 
   Settings({this.downloadPath, this.arl});
 
@@ -138,6 +147,14 @@ class Settings {
     return ThemeData();
   }
 
+  //JSON to forward into download service
+  Map getServiceSettings() {
+    return {
+      "downloadThreads": downloadThreads,
+      "overwriteDownload": overwriteDownload,
+      "downloadLyrics": downloadLyrics
+    };
+  }
 
   void updateUseArtColor(bool v) {
     useArtColor = v;
@@ -181,6 +198,7 @@ class Settings {
   Future save() async {
     File f = File(await getPath());
     await f.writeAsString(jsonEncode(this.toJson()));
+    downloadManager.updateServiceSettings();
   }
 
   Future updateAudioServiceQuality() async {

lib/settings.g.dart

@@ -30,13 +30,17 @@ Settings _$SettingsFromJson(Map<String, dynamic> json) {
     ..artistFolder = json['artistFolder'] as bool ?? true
     ..albumDiscFolder = json['albumDiscFolder'] as bool ?? false
     ..overwriteDownload = json['overwriteDownload'] as bool ?? false
+    ..downloadThreads = json['downloadThreads'] as int ?? 2
+    ..playlistFolder = json['playlistFolder'] as bool ?? false
+    ..downloadLyrics = json['downloadLyrics'] as bool ?? true
     ..theme =
         _$enumDecodeNullable(_$ThemesEnumMap, json['theme']) ?? Themes.Light
     ..primaryColor = Settings._colorFromJson(json['primaryColor'] as int)
     ..useArtColor = json['useArtColor'] as bool ?? false
     ..deezerLanguage = json['deezerLanguage'] as String ?? 'en'
     ..deezerCountry = json['deezerCountry'] as String ?? 'US'
-    ..logListen = json['logListen'] as bool ?? false;
+    ..logListen = json['logListen'] as bool ?? false
+    ..proxyAddress = json['proxyAddress'] as String;
 }
 
 Map<String, dynamic> _$SettingsToJson(Settings instance) => <String, dynamic>{
@@ -52,12 +56,16 @@ Map<String, dynamic> _$SettingsToJson(Settings instance) => <String, dynamic>{
       'artistFolder': instance.artistFolder,
       'albumDiscFolder': instance.albumDiscFolder,
       'overwriteDownload': instance.overwriteDownload,
+      'downloadThreads': instance.downloadThreads,
+      'playlistFolder': instance.playlistFolder,
+      'downloadLyrics': instance.downloadLyrics,
       'theme': _$ThemesEnumMap[instance.theme],
       'primaryColor': Settings._colorToJson(instance.primaryColor),
       'useArtColor': instance.useArtColor,
       'deezerLanguage': instance.deezerLanguage,
       'deezerCountry': instance.deezerCountry,
       'logListen': instance.logListen,
+      'proxyAddress': instance.proxyAddress,
     };
 
 T _$enumDecode<T>(

lib/translations.i18n.dart

@@ -1,10 +1,15 @@
 import 'package:flutter/material.dart';
 import 'package:freezer/languages/ar_ar.dart';
 import 'package:freezer/languages/de_de.dart';
+import 'package:freezer/languages/el_gr.dart';
 import 'package:freezer/languages/en_us.dart';
 import 'package:freezer/languages/es_es.dart';
 import 'package:freezer/languages/fil_ph.dart';
+import 'package:freezer/languages/fr_fr.dart';
+import 'package:freezer/languages/he_il.dart';
+import 'package:freezer/languages/hr_hr.dart';
 import 'package:freezer/languages/it_it.dart';
+import 'package:freezer/languages/ko_ko.dart';
 import 'package:freezer/languages/pt_br.dart';
 import 'package:freezer/languages/ru_ru.dart';
 import 'package:i18n_extension/i18n_extension.dart';
@@ -17,12 +22,19 @@ const supportedLocales = [
   const Locale('de', 'DE'),
   const Locale('ru', 'RU'),
   const Locale('es', 'ES'),
+  const Locale('hr', 'HR'),
+  const Locale('el', 'GR'),
+  const Locale('ko', 'KO'),
+  const Locale('fr', 'FR'),
+  const Locale('he', 'IL'),
   const Locale('fil', 'PH')
 ];
 
 extension Localization on String {
   static var _t = Translations.byLocale("en_US") +
-    language_en_us + language_ar_ar + language_pt_br + language_it_it + language_de_de + language_ru_ru + language_fil_ph + language_es_es;
+    language_en_us + language_ar_ar + language_pt_br + language_it_it + language_de_de + language_ru_ru +
+    language_fil_ph + language_es_es + language_el_gr + language_hr_hr + language_ko_ko + language_fr_fr +
+    language_he_il;
 
   String get i18n => localize(this, _t);
 }

lib/ui/details_screens.dart

@@ -1,6 +1,9 @@
+import 'dart:convert';
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
+import 'package:freezer/api/cache.dart';
 import 'package:freezer/api/deezer.dart';
 import 'package:freezer/api/download.dart';
 import 'package:freezer/api/player.dart';
@@ -692,6 +695,22 @@ class _PlaylistDetailsState extends State<PlaylistDetails> {
     }
   }
 
+  //Load cached playlist sorting
+  void _restoreSort() async {
+    if (cache.playlistSort == null) {
+      cache.playlistSort = {};
+      await cache.save();
+      return;
+    }
+    if (cache.playlistSort[playlist.id] != null) {
+      //Preload tracks
+      if (playlist.tracks.length < playlist.trackCount) {
+        playlist = await deezerAPI.fullPlaylist(playlist.id);
+      }
+      setState(() => _sort = cache.playlistSort[playlist.id]);
+    }
+  }
+
   @override
   void initState() {
     playlist = widget.playlist;
@@ -717,6 +736,8 @@ class _PlaylistDetailsState extends State<PlaylistDetails> {
       });
     }
 
+    _restoreSort();
+
     super.initState();
   }
 
@@ -817,7 +838,7 @@ class _PlaylistDetailsState extends State<PlaylistDetails> {
                 IconButton(
                   icon: Icon(Icons.favorite, size: 32),
                   onPressed: () async {
-                    await deezerAPI.addFavoriteAlbum(playlist.id);
+                    await deezerAPI.addPlaylist(playlist.id);
                     Fluttertoast.showToast(
                         msg: 'Added to library'.i18n,
                         toastLength: Toast.LENGTH_SHORT,
@@ -833,7 +854,17 @@ class _PlaylistDetailsState extends State<PlaylistDetails> {
                 ),
                 PopupMenuButton(
                   child: Icon(Icons.sort, size: 32.0),
-                  onSelected: (SortType s) => setState(() => _sort = s),
+                  onSelected: (SortType s) async {
+                    if (playlist.tracks.length < playlist.trackCount) {
+                      //Preload whole playlist
+                      playlist = await deezerAPI.fullPlaylist(playlist.id);
+                    }
+                    setState(() => _sort = s);
+
+                    //Save sort type to cache
+                    cache.playlistSort[playlist.id] = s;
+                    cache.save();
+                  },
                   itemBuilder: (context) => <PopupMenuEntry<SortType>>[
                     PopupMenuItem(
                       value: SortType.DEFAULT,

lib/ui/downloads_screen.dart

@@ -1,68 +1,208 @@
+import 'dart:async';
+
 import 'package:filesize/filesize.dart';
 import 'package:flutter/material.dart';
+import 'package:freezer/api/download.dart';
 import 'package:freezer/translations.i18n.dart';
 
 import 'cached_image.dart';
-import '../api/download.dart';
 
-
-class DownloadTile extends StatelessWidget {
-
-  final Download download;
-  Function onDelete;
-  DownloadTile(this.download, {this.onDelete});
-
-  String get subtitle {
-    switch (download.state) {
-      case DownloadState.NONE: return '';
-      case DownloadState.DOWNLOADING:
-        return '${filesize(download.received)} / ${filesize(download.total)}';
-      case DownloadState.POST:
-        return 'Post processing...'.i18n;
-      case DownloadState.DONE:
-        return 'Done'.i18n; //Shouldn't be visible
-      case DownloadState.DEEZER_ERROR:
-        return 'Track is not available on Deezer!'.i18n;
-      case DownloadState.ERROR:
-        return 'Failed to download track! Please restart.'.i18n;
-    }
-    return '';
+class DownloadsScreen extends StatefulWidget {
+  @override
+  _DownloadsScreenState createState() => _DownloadsScreenState();
 }
 
-  Widget get progressBar {
-    switch (download.state) {
-      case DownloadState.DOWNLOADING:
-        return LinearProgressIndicator(value: download.received / download.total);
-      case DownloadState.POST:
-        return LinearProgressIndicator();
-      default:
-        return Container(height: 0, width: 0,);
-    }
+class _DownloadsScreenState extends State<DownloadsScreen> {
+
+  List<Download> downloads = [];
+  StreamSubscription _stateSubscription;
+
+  //Sublists
+  List<Download> get downloading => downloads.where((d) => d.state == DownloadState.DOWNLOADING || d.state == DownloadState.POST).toList();
+  List<Download> get queued => downloads.where((d) => d.state == DownloadState.NONE).toList();
+  List<Download> get failed => downloads.where((d) => d.state == DownloadState.ERROR || d.state == DownloadState.DEEZER_ERROR).toList();
+  List<Download> get finished => downloads.where((d) => d.state == DownloadState.DONE).toList();
+
+  Future _load() async {
+    //Load downloads
+    List<Download> _d = await downloadManager.getDownloads();
+    setState(() {
+      downloads = _d;
+    });
   }
 
-  Widget get trailing {
-    if (download.private) {
-      return Icon(Icons.offline_pin);
+  @override
+  void initState() {
+    _load();
+
+    //Subscribe to state update
+    _stateSubscription = downloadManager.serviceEvents.stream.listen((e) {
+      //State change = update
+      if (e['action'] == 'onStateChange') {
+        setState(() => downloadManager.running = downloadManager.running);
       }
-    return Icon(Icons.sd_card);
+      //Progress change
+      if (e['action'] == 'onProgress') {
+        setState(() {
+          for (Map su in e['data']) {
+            downloads.firstWhere((d) => d.id == su['id'], orElse: () => Download()).updateFromJson(su);
+          }
+        });
+      }
+    });
+
+    super.initState();
+  }
+
+  @override
+  void dispose() {
+    if (_stateSubscription != null)
+      _stateSubscription.cancel();
+    _stateSubscription = null;
+    super.dispose();
   }
 
   @override
   Widget build(BuildContext context) {
-    return Column(
-      mainAxisSize: MainAxisSize.min,
-      children: <Widget>[
-        ListTile(
-          title: Text(download.track.title),
-          subtitle: Text(subtitle),
-          leading: CachedImage(
-            url: download.track.albumArt.thumb,
-            width: 48.0,
+    return Scaffold(
+        appBar: AppBar(
+          title: Text('Downloads'.i18n),
+          actions: [
+            IconButton(
+              icon:
+                  Icon(downloadManager.running ? Icons.stop : Icons.play_arrow),
+              onPressed: () {
+                setState(() {
+                  if (downloadManager.running)
+                    downloadManager.stop();
+                  else
+                    downloadManager.start();
+                });
+              },
+            )
+          ],
         ),
-          trailing: trailing,
-          onTap: () {
-            //Delete if none
-            if (download.state == DownloadState.NONE) {
+        body: ListView(
+          children: [
+            //Now downloading
+            Container(height: 2.0),
+            Column(children: List.generate(downloading.length, (int i) => DownloadTile(
+              downloading[i],
+              updateCallback: () => _load(),
+            ))),
+            Container(height: 8.0),
+
+            //Queued
+            if (queued.length > 0)
+              Text(
+                'Queued'.i18n,
+                textAlign: TextAlign.center,
+                style: TextStyle(
+                    fontSize: 24.0,
+                    fontWeight: FontWeight.bold
+                ),
+              ),
+            Column(children: List.generate(queued.length, (int i) => DownloadTile(
+              queued[i],
+              updateCallback: () => _load(),
+            ))),
+            if (queued.length > 0)
+              ListTile(
+                title: Text('Clear queue'.i18n),
+                leading: Icon(Icons.delete),
+                onTap: () async {
+                  await downloadManager.removeDownloads(DownloadState.NONE);
+                  await _load();
+                },
+              ),
+
+            //Failed
+            if (failed.length > 0)
+              Text(
+                'Failed'.i18n,
+                textAlign: TextAlign.center,
+                style: TextStyle(
+                  fontSize: 24.0,
+                  fontWeight: FontWeight.bold
+                ),
+              ),
+            Column(children: List.generate(failed.length, (int i) => DownloadTile(
+              failed[i],
+              updateCallback: () => _load(),
+            ))),
+            //Restart failed
+            if (failed.length > 0)
+              ListTile(
+                title: Text('Restart failed downloads'.i18n),
+                leading: Icon(Icons.restore),
+                onTap: () async {
+                  await downloadManager.retryDownloads();
+                  await _load();
+                },
+              ),
+            if (failed.length > 0)
+              ListTile(
+                title: Text('Clear failed'.i18n),
+                leading: Icon(Icons.delete),
+                onTap: () async {
+                  await downloadManager.removeDownloads(DownloadState.ERROR);
+                  await downloadManager.removeDownloads(DownloadState.DEEZER_ERROR);
+                  await _load();
+                },
+              ),
+
+            //Finished
+            if (finished.length > 0)
+              Text(
+                'Done'.i18n,
+                textAlign: TextAlign.center,
+                style: TextStyle(
+                  fontSize: 24.0,
+                  fontWeight: FontWeight.bold
+                ),
+              ),
+            Column(children: List.generate(finished.length, (int i) => DownloadTile(
+              finished[i],
+              updateCallback: () => _load(),
+            ))),
+            if (finished.length > 0)
+              ListTile(
+                title: Text('Clear downloads history'.i18n),
+                leading: Icon(Icons.delete),
+                onTap: () async {
+                  await downloadManager.removeDownloads(DownloadState.DONE);
+                  await _load();
+                },
+              ),
+
+          ],
+        )
+    );
+  }
+}
+
+class DownloadTile extends StatelessWidget {
+
+  final Download download;
+  final Function updateCallback;
+  DownloadTile(this.download, {this.updateCallback});
+
+  String subtitle() {
+    String out = '';
+    //Download type
+    if (download.private) out += 'Offline'.i18n;
+    else out += 'External'.i18n;
+    out += ' | ';
+    //Quality
+    if (download.quality == 9) out += 'FLAC';
+    if (download.quality == 3) out += 'MP3 320kbps';
+    if (download.quality == 1) out += 'MP3 128kbps';
+
+    return out;
+  }
+
+  Future onClick(BuildContext context) async {
+    if (download.state != DownloadState.DOWNLOADING && download.state != DownloadState.POST) {
       showDialog(
         context: context,
         builder: (context) {
@@ -76,9 +216,9 @@ class DownloadTile extends StatelessWidget {
               ),
               FlatButton(
                 child: Text('Delete'.i18n),
-                        onPressed: () {
-                          downloadManager.removeDownload(download);
-                          if (this.onDelete != null) this.onDelete();
+                onPressed: () async {
+                  await downloadManager.removeDownload(download.id);
+                  if (updateCallback != null) updateCallback();
                   Navigator.of(context).pop();
                 },
               )
@@ -87,121 +227,58 @@ class DownloadTile extends StatelessWidget {
         }
       );
     }
-          },
-        ),
-        progressBar
-      ],
+  }
+
+  //Trailing icon with state
+  Widget trailing() {
+    switch (download.state) {
+      case DownloadState.NONE:
+        return Icon(
+          Icons.query_builder,
+        );
+      case DownloadState.DOWNLOADING:
+        return Icon(
+          Icons.download_rounded
+        );
+      case DownloadState.POST:
+        return Icon(
+          Icons.miscellaneous_services
+        );
+      case DownloadState.DONE:
+        return Icon(
+          Icons.done,
+          color: Colors.green,
+        );
+      case DownloadState.DEEZER_ERROR:
+        return Icon(
+          Icons.error,
+          color: Colors.blue
+        );
+      case DownloadState.ERROR:
+        return Icon(
+          Icons.error,
+          color: Colors.red
         );
     }
+    return Container();
   }
 
-class DownloadsScreen extends StatefulWidget {
-  @override
-  _DownloadsScreenState createState() => _DownloadsScreenState();
-}
-
-class _DownloadsScreenState extends State<DownloadsScreen> {
   @override
   Widget build(BuildContext context) {
-    return Scaffold(
-        appBar: AppBar(
-          title: Text('Downloads'.i18n),
-          actions: [
-            IconButton(
-              icon: Icon(downloadManager.stopped ? Icons.play_arrow : Icons.stop),
-              onPressed: () {
-                setState(() {
-                  if (downloadManager.stopped) downloadManager.start();
-                  else downloadManager.stop();
-                });
-              },
-            )
-          ],
-        ),
-        body: ListView(
-          children: <Widget>[
-            StreamBuilder(
-              stream: Stream.periodic(Duration(milliseconds: 500)).asBroadcastStream(), //Periodic to get current download progress
-              builder: (BuildContext context, AsyncSnapshot snapshot) {
-
-                if (downloadManager.queue.length == 0)
-                  return Container(width: 0, height: 0,);
-
     return Column(
       children: [
-                      ...List.generate(downloadManager.queue.length, (i) {
-                        return DownloadTile(downloadManager.queue[i], onDelete: () => setState(() => {}));
-                      }),
-                      if (downloadManager.queue.length > 1 || (downloadManager.stopped && downloadManager.queue.length > 0))
         ListTile(
-                          title: Text('Clear queue'.i18n),
-                          subtitle: Text("This won't delete currently downloading item".i18n),
-                          leading: Icon(Icons.delete),
-                          onTap: () async {
-                            showDialog(
-                                context: context,
-                                builder: (context) {
-                                  return AlertDialog(
-                                    title: Text('Delete'.i18n),
-                                    content: Text('Are you sure you want to delete all queued downloads?'.i18n),
-                                    actions: [
-                                      FlatButton(
-                                        child: Text('Cancel'.i18n),
-                                        onPressed: () => Navigator.of(context).pop(),
+          title: Text(download.title),
+          leading: CachedImage(url: download.image),
+          subtitle: Text(subtitle()),
+          trailing: trailing(),
+          onTap: () => onClick(context),
         ),
-                                      FlatButton(
-                                        child: Text('Delete'.i18n),
-                                        onPressed: () async {
-                                          await downloadManager.clearQueue();
-                                          Navigator.of(context).pop();
-                                        },
-                                      )
+        if (download.state == DownloadState.DOWNLOADING)
+          LinearProgressIndicator(value: download.progress),
+        if (download.state == DownloadState.POST)
+          LinearProgressIndicator(),
       ],
     );
   }
-                            );
-                          },
-                        )
-                    ]
-                );
-              },
-            ),
-            FutureBuilder(
-              future: downloadManager.getFinishedDownloads(),
-              builder: (context, snapshot) {
-                if (!snapshot.hasData || snapshot.data.length == 0) return Container(height: 0, width: 0,);
-
-                return Column(
-                  children: <Widget>[
-                    Divider(),
-                    Text(
-                      'History',
-                      style: TextStyle(
-                          fontSize: 24.0,
-                          fontWeight: FontWeight.bold
-                      ),
-                    ),
-                    ...List.generate(snapshot.data.length, (i) {
-                      Download d = snapshot.data[i];
-                      return DownloadTile(d);
-                    }),
-                    ListTile(
-                      title: Text('Clear downloads history'.i18n),
-                      leading: Icon(Icons.delete),
-                      subtitle: Text('WARNING: This will only clear non-offline (external downloads)'.i18n),
-                      onTap: () async {
-                        await downloadManager.cleanDownloadHistory();
-                        setState(() {});
-                      },
-                    ),
-                  ],
-                );
-              },
-            )
-          ],
-        )
-    );
 }
-}
-
-

lib/ui/library.dart

@@ -1,6 +1,7 @@
 import 'package:connectivity/connectivity.dart';
 import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
+import 'package:freezer/api/cache.dart';
 import 'package:freezer/api/deezer.dart';
 import 'package:freezer/api/definitions.dart';
 import 'package:freezer/api/player.dart';
@@ -57,7 +58,7 @@ class LibraryScreen extends StatelessWidget {
       body: ListView(
         children: <Widget>[
           Container(height: 4.0,),
-          if (downloadManager.stopped && downloadManager.queue.length > 0)
+          if (!downloadManager.running && downloadManager.queueSize > 0)
             ListTile(
               title: Text('Downloads'.i18n),
               leading: Icon(Icons.file_download),
@@ -70,7 +71,7 @@ class LibraryScreen extends StatelessWidget {
               },
             ),
           //Dirty if to not use columns
-          if (downloadManager.stopped && downloadManager.queue.length > 0)
+          if (!downloadManager.running && downloadManager.queueSize > 0)
             Divider(),
 
           ListTile(
@@ -109,6 +110,15 @@ class LibraryScreen extends StatelessWidget {
               );
             },
           ),
+          ListTile(
+            title: Text('History'.i18n),
+            leading: Icon(Icons.history),
+            onTap: () {
+              Navigator.of(context).push(
+                MaterialPageRoute(builder: (context) => HistoryScreen())
+              );
+            },
+          ),
           Divider(),
           ListTile(
             title: Text('Import'.i18n),
@@ -196,14 +206,49 @@ class _LibraryTracksState extends State<LibraryTracks> {
   ScrollController _scrollController = ScrollController();
   List<Track> tracks = [];
   List<Track> allTracks = [];
+  int trackCount;
 
   Playlist get _playlist => Playlist(id: deezerAPI.favoritesPlaylistId);
 
   Future _load() async {
+    //Already loaded
+    if (trackCount != null && tracks.length >= trackCount) {
+      //Update tracks cache if fully loaded
+      if (cache.libraryTracks == null || cache.libraryTracks.length != trackCount) {
+        setState(() {
+          cache.libraryTracks = tracks.map((t) => t.id).toList();
+        });
+        await cache.save();
+      }
+      return;
+    }
+
     ConnectivityResult connectivity = await Connectivity().checkConnectivity();
     if (connectivity != ConnectivityResult.none) {
       setState(() => _loading = true);
       int pos = tracks.length;
+
+      if (trackCount == null || tracks.length == 0) {
+        //Load tracks as a playlist
+        Playlist favPlaylist;
+        try {
+          favPlaylist = await deezerAPI.playlist(deezerAPI.favoritesPlaylistId);
+        } catch (e) {}
+        //Error loading
+        if (favPlaylist == null) {
+          setState(() => _loading = false);
+          return;
+        }
+        //Update
+        setState(() {
+          trackCount = favPlaylist.trackCount;
+          tracks = favPlaylist.tracks;
+          _makeFavorite();
+          _loading = false;
+        });
+        return;
+      }
+
       //Load another page of tracks from deezer
       List<Track> _t;
       try {
@@ -216,6 +261,7 @@ class _LibraryTracksState extends State<LibraryTracks> {
       }
       setState(() {
         tracks.addAll(_t);
+        _makeFavorite();
         _loading = false;
       });
 
@@ -236,6 +282,12 @@ class _LibraryTracksState extends State<LibraryTracks> {
     });
   }
 
+  //Update tracks with favorite true
+  void _makeFavorite() {
+    for (int i=0; i<tracks.length; i++)
+      tracks[i].favorite = true;
+  }
+
   @override
   void initState() {
     _scrollController.addListener(() {
@@ -257,6 +309,7 @@ class _LibraryTracksState extends State<LibraryTracks> {
     return Scaffold(
       appBar: AppBar(title: Text('Tracks'.i18n),),
       body: ListView(
+        controller: _scrollController,
         children: <Widget>[
           Card(
             child: Column(
@@ -554,7 +607,7 @@ class _LibraryPlaylistsState extends State<LibraryPlaylists> {
           ListTile(
             title: Text('Create new playlist'.i18n),
             leading: Icon(Icons.playlist_add),
-            onTap: () {
+            onTap: () async {
               if (settings.offlineMode) {
                 Fluttertoast.showToast(
                   msg: 'Cannot create playlists in offline mode'.i18n,
@@ -563,7 +616,8 @@ class _LibraryPlaylistsState extends State<LibraryPlaylists> {
                 return;
               }
               MenuSheet m = MenuSheet(context);
-              m.createPlaylist();
+              await m.createPlaylist();
+              await _load();
             },
           ),
           Divider(),
@@ -586,6 +640,7 @@ class _LibraryPlaylistsState extends State<LibraryPlaylists> {
             },
             onHold: () {
               MenuSheet m = MenuSheet(context);
+              favoritesPlaylist.library = true;
               m.defaultPlaylistMenu(favoritesPlaylist);
             },
           ),
@@ -600,9 +655,10 @@ class _LibraryPlaylistsState extends State<LibraryPlaylists> {
                 )),
                 onHold: () {
                   MenuSheet m = MenuSheet(context);
-                  m.defaultPlaylistMenu(p, onRemove: () {
-                    setState(() => _playlists.remove(p));
-                  });
+                  m.defaultPlaylistMenu(
+                    p,
+                    onRemove: () {setState(() => _playlists.remove(p));},
+                    onUpdate: () {_load();});
                 },
               );
             }),
@@ -653,3 +709,49 @@ class _LibraryPlaylistsState extends State<LibraryPlaylists> {
     );
   }
 }
+
+class HistoryScreen extends StatefulWidget {
+  @override
+  _HistoryScreenState createState() => _HistoryScreenState();
+}
+
+class _HistoryScreenState extends State<HistoryScreen> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('History'.i18n),
+        actions: [
+          IconButton(
+            icon: Icon(Icons.delete_sweep),
+            onPressed: () {
+              setState(() => cache.history = []);
+              cache.save();
+            },
+          )
+        ],
+      ),
+      body: ListView.builder(
+        itemCount: (cache.history??[]).length,
+        itemBuilder: (BuildContext context, int i) {
+          Track t = cache.history[i];
+          return TrackTile(
+            t,
+            onTap: () {
+              playerHelper.playFromTrackList(cache.history, t.id, QueueSource(
+                id: null,
+                text: 'History'.i18n,
+                source: 'history'
+              ));
+            },
+            onHold: () {
+              MenuSheet m = MenuSheet(context);
+              m.defaultTrackMenu(t);
+            },
+          );
+        },
+      ),
+    );
+  }
+}
+

lib/ui/login_screen.dart

@@ -21,6 +21,7 @@ class LoginWidget extends StatefulWidget {
 class _LoginWidgetState extends State<LoginWidget> {
 
   String _arl;
+  String _error;
 
   //Initialize deezer etc
   Future _init() async {
@@ -62,7 +63,14 @@ class _LoginWidgetState extends State<LoginWidget> {
       builder: (context) {
         return AlertDialog(
           title: Text('Error'.i18n),
-          content: Text('Error logging in! Please check your token and internet connection and try again.'.i18n),
+          content: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              Text('Error logging in! Please check your token and internet connection and try again.'.i18n),
+              if (_error != null)
+                Text('\n\n$_error')
+            ],
+          ),
           actions: <Widget>[
             FlatButton(
               child: Text('Dismiss'.i18n),
@@ -82,13 +90,15 @@ class _LoginWidgetState extends State<LoginWidget> {
     //Try logging in
     try {
       deezerAPI.arl = settings.arl;
-      bool resp = await deezerAPI.authorize();
+      bool resp = await deezerAPI.rawAuthorize(onError: (e) => _error = e.toString());
       if (resp == false) { //false, not null
         setState(() => settings.arl = null);
         errorDialog();
       }
       //On error show dialog and reset to null
     } catch (e) {
+      _error = e;
+      print('Login error: ' + e);
       setState(() => settings.arl = null);
       errorDialog();
     }

lib/ui/menu.dart

@@ -1,7 +1,10 @@
+import 'dart:ffi';
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:audio_service/audio_service.dart';
 import 'package:fluttertoast/fluttertoast.dart';
+import 'package:freezer/api/cache.dart';
 import 'package:freezer/api/deezer.dart';
 import 'package:freezer/api/download.dart';
 import 'package:freezer/ui/details_screens.dart';
@@ -123,7 +126,7 @@ class MenuSheet {
     showWithTrack(track, [
       addToQueueNext(track),
       addToQueue(track),
-      (track.favorite??false)?removeFavoriteTrack(track, onUpdate: onRemove):addTrackFavorite(track),
+      (cache.checkTrackFavorite(track))?removeFavoriteTrack(track, onUpdate: onRemove):addTrackFavorite(track),
       addToPlaylist(track),
       downloadTrack(track),
       showAlbum(track.album),
@@ -169,6 +172,11 @@ class MenuSheet {
             gravity: ToastGravity.BOTTOM,
             toastLength: Toast.LENGTH_SHORT
         );
+        //Add to cache
+        if (cache.libraryTracks == null)
+          cache.libraryTracks = [];
+        cache.libraryTracks.add(t.id);
+
         _close();
       }
   );
@@ -179,6 +187,7 @@ class MenuSheet {
     onTap: () async {
       await downloadManager.addOfflineTrack(t, private: false);
       _close();
+      showDownloadStartedToast();
     },
   );
 
@@ -186,64 +195,11 @@ class MenuSheet {
     title: Text('Add to playlist'.i18n),
     leading: Icon(Icons.playlist_add),
     onTap: () async {
-
-      Playlist p;
-
       //Show dialog to pick playlist
       await showDialog(
         context: context,
         builder: (context) {
-            return AlertDialog(
-              title: Text('Select playlist'.i18n),
-              content: FutureBuilder(
-                future: deezerAPI.getPlaylists(),
-                builder: (context, snapshot) {
-
-                  if (snapshot.hasError) SizedBox(
-                    height: 100,
-                    child: ErrorScreen(),
-                  );
-                  if (snapshot.connectionState != ConnectionState.done) return SizedBox(
-                    height: 100,
-                    child: Center(child: CircularProgressIndicator(),),
-                  );
-
-                  List<Playlist> playlists = snapshot.data;
-                  return SingleChildScrollView(
-                    child: Column(
-                      mainAxisSize: MainAxisSize.min,
-                      children: [
-                        ...List.generate(playlists.length, (i) => ListTile(
-                          title: Text(playlists[i].title),
-                          leading: CachedImage(
-                            url: playlists[i].image.thumb,
-                          ),
-                          onTap: () {
-                            p = playlists[i];
-                            Navigator.of(context).pop();
-                          },
-                        )),
-                        ListTile(
-                          title: Text('Create new playlist'.i18n),
-                          leading: Icon(Icons.add),
-                          onTap: () {
-                            Navigator.of(context).pop();
-                            showDialog(
-                              context: context,
-                              builder: (context) => CreatePlaylistDialog(tracks: [t],)
-                            );
-                          },
-                        )
-                      ]
-                    ),
-                  );
-                },
-              ),
-            );
-          }
-      );
-      //Add to playlist, show toast
-      if (p != null) {
+          return SelectPlaylistDialog(track: t, callback: (Playlist p) async {
             await deezerAPI.addToPlaylist(t.id, p.id);
             //Update the playlist if offline
             if (await downloadManager.checkOffline(playlist: p)) {
@@ -254,8 +210,9 @@ class MenuSheet {
               toastLength: Toast.LENGTH_SHORT,
               gravity: ToastGravity.BOTTOM,
             );
+          });
         }
-
+      );
       _close();
     },
   );
@@ -284,11 +241,15 @@ class MenuSheet {
       if (await downloadManager.checkOffline(playlist: p)) {
         await downloadManager.addOfflinePlaylist(p);
       }
+      //Remove from cache
+      if (cache.libraryTracks != null)
+        cache.libraryTracks.removeWhere((i) => i == t.id);
       Fluttertoast.showToast(
         msg: 'Track removed from library'.i18n,
         toastLength: Toast.LENGTH_SHORT,
         gravity: ToastGravity.BOTTOM
       );
+      if (onUpdate != null)
         onUpdate();
       _close();
     },
@@ -348,8 +309,9 @@ class MenuSheet {
       title: Text('Download'.i18n),
       leading: Icon(Icons.file_download),
       onTap: () async {
-        await downloadManager.addOfflineAlbum(a, private: false);
         _close();
+        await downloadManager.addOfflineAlbum(a, private: false);
+        showDownloadStartedToast();
       }
   );
 
@@ -360,6 +322,7 @@ class MenuSheet {
       await deezerAPI.addFavoriteAlbum(a.id);
       await downloadManager.addOfflineAlbum(a, private: true);
       _close();
+      showDownloadStartedToast();
     },
   );
 
@@ -441,11 +404,13 @@ class MenuSheet {
   // PLAYLIST
   //===================
 
-  void defaultPlaylistMenu(Playlist playlist, {List<Widget> options = const [], Function onRemove}) {
+  void defaultPlaylistMenu(Playlist playlist, {List<Widget> options = const [], Function onRemove, Function onUpdate}) {
     show([
       playlist.library?removePlaylistLibrary(playlist, onRemove: onRemove):addPlaylistLibrary(playlist),
       addPlaylistOffline(playlist),
       downloadPlaylist(playlist),
+      if (playlist.user.id == deezerAPI.userId)
+        editPlaylist(playlist, onUpdate: onUpdate),
       ...options
     ]);
   }
@@ -492,6 +457,7 @@ class MenuSheet {
       await deezerAPI.addPlaylist(p.id);
       downloadManager.addOfflinePlaylist(p, private: true);
       _close();
+      showDownloadStartedToast();
     },
   );
 
@@ -501,6 +467,21 @@ class MenuSheet {
     onTap: () async {
       downloadManager.addOfflinePlaylist(p, private: false);
       _close();
+      showDownloadStartedToast();
+    },
+  );
+
+  Widget editPlaylist(Playlist p, {Function onUpdate}) => ListTile(
+    title: Text('Edit playlist'.i18n),
+    leading: Icon(Icons.edit),
+    onTap: () async {
+      await showDialog(
+        context: context,
+        builder: (context) => CreatePlaylistDialog(playlist: p)
+      );
+      _close();
+      if (onUpdate != null)
+        onUpdate();
     },
   );
 
@@ -509,9 +490,17 @@ class MenuSheet {
   // OTHER
   //===================
 
+  showDownloadStartedToast() {
+    Fluttertoast.showToast(
+      msg: 'Downloads added!'.i18n,
+      gravity: ToastGravity.BOTTOM,
+      toastLength: Toast.LENGTH_SHORT
+    );
+  }
+
   //Create playlist
-  void createPlaylist() {
-    showDialog(
+  Future createPlaylist() async {
+    await showDialog(
       context: context,
       builder: (BuildContext context) {
         return CreatePlaylistDialog();
@@ -523,11 +512,90 @@ class MenuSheet {
   void _close() => Navigator.of(context).pop();
 }
 
+class SelectPlaylistDialog extends StatefulWidget {
+
+  final Track track;
+  final Function callback;
+  SelectPlaylistDialog({this.track, this.callback, Key key}): super(key: key);
+
+  @override
+  _SelectPlaylistDialogState createState() => _SelectPlaylistDialogState();
+}
+
+class _SelectPlaylistDialogState extends State<SelectPlaylistDialog> {
+
+  bool createNew = false;
+
+  @override
+  Widget build(BuildContext context) {
+
+    //Create new playlist
+    if (createNew) {
+      if (widget.track == null) {
+        return CreatePlaylistDialog();
+      }
+      return CreatePlaylistDialog(tracks: [widget.track]);
+    }
+
+
+    return AlertDialog(
+      title: Text('Select playlist'.i18n),
+      content: FutureBuilder(
+        future: deezerAPI.getPlaylists(),
+        builder: (context, snapshot) {
+
+          if (snapshot.hasError) SizedBox(
+            height: 100,
+            child: ErrorScreen(),
+          );
+          if (snapshot.connectionState != ConnectionState.done) return SizedBox(
+            height: 100,
+            child: Center(child: CircularProgressIndicator(),),
+          );
+
+          List<Playlist> playlists = snapshot.data;
+          return SingleChildScrollView(
+            child: Column(
+                mainAxisSize: MainAxisSize.min,
+                children: [
+                  ...List.generate(playlists.length, (i) => ListTile(
+                    title: Text(playlists[i].title),
+                    leading: CachedImage(
+                      url: playlists[i].image.thumb,
+                    ),
+                    onTap: () {
+                      if (widget.callback != null) {
+                        widget.callback(playlists[i]);
+                      }
+                      Navigator.of(context).pop();
+                    },
+                  )),
+                  ListTile(
+                    title: Text('Create new playlist'.i18n),
+                    leading: Icon(Icons.add),
+                    onTap: () async {
+                      setState(() {
+                        createNew = true;
+                      });
+                    },
+                  )
+                ]
+            ),
+          );
+        },
+      ),
+    );
+  }
+}
+
+
 
 class CreatePlaylistDialog extends StatefulWidget {
 
   final List<Track> tracks;
-  CreatePlaylistDialog({this.tracks, Key key}): super(key: key);
+  //If playlist not null, update
+  final Playlist playlist;
+  CreatePlaylistDialog({this.tracks, this.playlist, Key key}): super(key: key);
 
   @override
   _CreatePlaylistDialogState createState() => _CreatePlaylistDialogState();
@@ -538,11 +606,28 @@ class _CreatePlaylistDialogState extends State<CreatePlaylistDialog> {
   int _playlistType = 1;
   String _title = '';
   String _description = '';
+  TextEditingController _titleController;
+  TextEditingController _descController;
+
+  //Create or edit mode
+  bool get edit => widget.playlist != null;
+
+  @override
+  void initState() {
+
+    //Edit playlist mode
+    if (edit) {
+      _titleController = TextEditingController(text: widget.playlist.title);
+      _descController = TextEditingController(text: widget.playlist.description);
+    }
+
+    super.initState();
+  }
 
   @override
   Widget build(BuildContext context) {
     return AlertDialog(
-      title: Text('Create playlist'.i18n),
+      title: Text(edit ? 'Edit playlist'.i18n : 'Create playlist'.i18n),
       content: Column(
         mainAxisSize: MainAxisSize.min,
         children: <Widget>[
@@ -550,10 +635,12 @@ class _CreatePlaylistDialogState extends State<CreatePlaylistDialog> {
             decoration: InputDecoration(
               labelText: 'Title'.i18n
             ),
+            controller: _titleController ?? TextEditingController(),
             onChanged: (String s) => _title = s,
           ),
           TextField(
             onChanged: (String s) => _description = s,
+            controller: _descController ?? TextEditingController(),
             decoration: InputDecoration(
                 labelText: 'Description'.i18n
             ),
@@ -583,8 +670,21 @@ class _CreatePlaylistDialogState extends State<CreatePlaylistDialog> {
           onPressed: () => Navigator.of(context).pop(),
         ),
         FlatButton(
-          child: Text('Create'.i18n),
+          child: Text(edit ? 'Update'.i18n : 'Create'.i18n),
           onPressed: () async {
+            if (edit) {
+              //Update
+              await deezerAPI.updatePlaylist(
+                widget.playlist.id,
+                _titleController.value.text,
+                _descController.value.text,
+                status: _playlistType
+              );
+              Fluttertoast.showToast(
+                  msg: 'Playlist updated!'.i18n,
+                  gravity: ToastGravity.BOTTOM
+              );
+            } else {
               List<String> tracks = [];
               if (widget.tracks != null) {
                 tracks = widget.tracks.map<String>((t) => t.id).toList();
@@ -599,6 +699,7 @@ class _CreatePlaylistDialogState extends State<CreatePlaylistDialog> {
                   msg: 'Playlist created!'.i18n,
                   gravity: ToastGravity.BOTTOM
               );
+            }
             Navigator.of(context).pop();
           },
         )

lib/ui/player_screen.dart

@@ -42,6 +42,7 @@ class _PlayerScreenState extends State<PlayerScreen> {
               playerHelper.startService();
               return Center(child: CircularProgressIndicator(),);
             }
+
             return OrientationBuilder(
               builder: (context, orientation) {
                 //Landscape
@@ -388,9 +389,19 @@ class _LyricsWidgetState extends State<LyricsWidget> {
         _l = await deezerAPI.lyrics(_trackId);
         setState(() => _loading = false);
       } catch (e) {
+        print(e);
         //Error Lyrics
-        setState(() => _l = Lyrics().error);
+        setState(() => _l = Lyrics.error());
       }
+
+      //Empty lyrics
+      if (_l.lyrics.length == 0) {
+        setState(() {
+          _l = Lyrics.error();
+          _loading = false;
+        });
+      }
+
     } else {
       //Use provided lyrics
       _l = widget.lyrics;

lib/ui/search.dart

@@ -11,6 +11,32 @@ import '../api/deezer.dart';
 import '../api/definitions.dart';
 import 'error.dart';
 
+
+openScreenByURL(BuildContext context, String url) async {
+  DeezerLinkResponse res = await deezerAPI.parseLink(url);
+  if (res == null) return;
+
+  switch (res.type) {
+    case DeezerLinkType.TRACK:
+      Track t = await deezerAPI.track(res.id);
+      MenuSheet(context).defaultTrackMenu(t);
+      break;
+    case DeezerLinkType.ALBUM:
+      Album a = await deezerAPI.album(res.id);
+      Navigator.of(context).push(MaterialPageRoute(builder: (context) => AlbumDetails(a)));
+      break;
+    case DeezerLinkType.ARTIST:
+      Artist a = await deezerAPI.artist(res.id);
+      Navigator.of(context).push(MaterialPageRoute(builder: (context) => ArtistDetails(a)));
+      break;
+    case DeezerLinkType.PLAYLIST:
+      Playlist p = await deezerAPI.playlist(res.id);
+      Navigator.of(context).push(MaterialPageRoute(builder: (context) => PlaylistDetails(p)));
+      break;
+  }
+
+}
+
 class SearchScreen extends StatefulWidget {
   @override
   _SearchScreenState createState() => _SearchScreenState();
@@ -20,11 +46,23 @@ class _SearchScreenState extends State<SearchScreen> {
 
   String _query;
   bool _offline = false;
+  bool _loading = false;
   TextEditingController _controller = new TextEditingController();
   List _suggestions = [];
 
-  void _submit(BuildContext context, {String query}) {
+  void _submit(BuildContext context, {String query}) async {
     if (query != null) _query = query;
+
+    //URL
+    if (_query.startsWith('http')) {
+      setState(() => _loading = true);
+      try {
+        await openScreenByURL(context, _query);
+      } catch (e) {}
+      setState(() => _loading = false);
+      return;
+    }
+
     Navigator.of(context).push(
         MaterialPageRoute(builder: (context) => SearchResultsScreen(_query, offline: _offline,))
     );
@@ -45,7 +83,7 @@ class _SearchScreenState extends State<SearchScreen> {
 
   //Load search suggestions
   Future<List<String>> _loadSuggestions() async {
-    if (_query == null || _query.length < 2) return null;
+    if (_query == null || _query.length < 2 || _query.startsWith('http')) return null;
     String q = _query;
     await Future.delayed(Duration(milliseconds: 300));
     if (q != _query) return null;
@@ -75,7 +113,7 @@ class _SearchScreenState extends State<SearchScreen> {
                           _loadSuggestions();
                         },
                         decoration: InputDecoration(
-                          labelText: 'Search'.i18n
+                          labelText: 'Search or paste URL'.i18n
                         ),
                         controller: _controller,
                         onSubmitted: (String s) => _submit(context, query: s),
@@ -112,6 +150,8 @@ class _SearchScreenState extends State<SearchScreen> {
               },
             ),
           ),
+          if (_loading)
+            LinearProgressIndicator(),
           Divider(),
           ...List.generate((_suggestions??[]).length, (i) => ListTile(
             title: Text(_suggestions[i]),

lib/ui/settings_screen.dart

@@ -6,9 +6,12 @@ import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_material_color_picker/flutter_material_color_picker.dart';
+import 'package:fluttericon/font_awesome5_icons.dart';
 import 'package:fluttertoast/fluttertoast.dart';
 import 'package:freezer/api/deezer.dart';
+import 'package:freezer/api/download.dart';
 import 'package:freezer/ui/error.dart';
+import 'package:freezer/ui/home_screen.dart';
 import 'package:i18n_extension/i18n_widget.dart';
 import 'package:language_pickers/language_pickers.dart';
 import 'package:language_pickers/languages.dart';
@@ -17,6 +20,7 @@ import 'package:path_provider_ex/path_provider_ex.dart';
 import 'package:permission_handler/permission_handler.dart';
 import 'package:freezer/translations.i18n.dart';
 import 'package:clipboard/clipboard.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 import '../settings.dart';
 import '../main.dart';
@@ -30,20 +34,8 @@ class SettingsScreen extends StatefulWidget {
 
 class _SettingsScreenState extends State<SettingsScreen> {
 
-  String _about = '';
-
-  @override
-  void initState() {
-    //Load about text
-    PackageInfo.fromPlatform().then((PackageInfo info) {
-      setState(() {
-        _about = '${info.appName}';
-      });
-    });
-    super.initState();
-  }
-
   List<Map<String, String>> _languages() {
+    //Missing language
     defaultLanguagesList.add({
       'name': 'Filipino',
       'isoCode': 'fil'
@@ -71,6 +63,13 @@ class _SettingsScreenState extends State<SettingsScreen> {
                 builder: (context) => GeneralSettings()
             )),
           ),
+          ListTile(
+            title: Text('Download Settings'.i18n),
+            leading: Icon(Icons.cloud_download),
+            onTap: () => Navigator.of(context).push(MaterialPageRoute(
+              builder: (context) => DownloadsSettings()
+            )),
+          ),
           ListTile(
             title: Text('Appearance'.i18n),
             leading: Icon(Icons.color_lens),
@@ -132,11 +131,13 @@ class _SettingsScreenState extends State<SettingsScreen> {
               );
             },
           ),
-          Divider(),
-          Text(
-            _about,
-            textAlign: TextAlign.center,
-          )
+          ListTile(
+            title: Text('About'.i18n),
+            leading: Icon(Icons.info),
+            onTap: () => Navigator.push(context, MaterialPageRoute(
+                builder: (context) => CreditsScreen()
+            )),
+          ),
         ],
       ),
     );
@@ -149,6 +150,10 @@ class AppearanceSettings extends StatefulWidget {
 }
 
 class _AppearanceSettingsState extends State<AppearanceSettings> {
+
+
+  ColorSwatch<dynamic> _swatch(int c) => ColorSwatch(c, {500: Color(c)});
+
   @override
   Widget build(BuildContext context) {
     return Scaffold(
@@ -224,8 +229,19 @@ class _AppearanceSettingsState extends State<AppearanceSettings> {
                   return AlertDialog(
                     title: Text('Primary color'.i18n),
                     content: Container(
-                      height: 200,
+                      height: 240,
                       child: MaterialColorPicker(
+                        colors: [
+                          ...Colors.primaries,
+                          //Logo colors
+                          _swatch(0xffeca704),
+                          _swatch(0xffbe3266),
+                          _swatch(0xff4b2e7e),
+                          _swatch(0xff384697),
+                          _swatch(0xff0880b5),
+                          _swatch(0xff009a85),
+                          _swatch(0xff2ba766)
+                        ],
                         allowShades: false,
                         selectedColor: settings.primaryColor,
                         onMainColorChange: (ColorSwatch color) {
@@ -246,10 +262,13 @@ class _AppearanceSettingsState extends State<AppearanceSettings> {
           ListTile(
             title: Text('Use album art primary color'.i18n),
             subtitle: Text('Warning: might be buggy'.i18n),
-            leading: Switch(
+            leading: Container(
+              width: 30.0,
+              child: Checkbox(
                 value: settings.useArtColor,
                 onChanged: (v) => setState(() => settings.updateUseArtColor(v)),
               ),
+            ),
           )
         ],
       ),
@@ -450,72 +469,86 @@ class _DeezerSettingsState extends State<DeezerSettings> {
           ListTile(
             title: Text('Log tracks'.i18n),
             subtitle: Text('Send track listen logs to Deezer, enable it for features like Flow to work properly'.i18n),
-            leading: Checkbox(
+            leading: Container(
+              width: 30,
+              child: Checkbox(
                 value: settings.logListen,
                 onChanged: (bool v) {
                   setState(() => settings.logListen = v);
                   settings.save();
                 },
               ),
-          )
-        ],
             ),
-    );
-  }
-}
-
-class GeneralSettings extends StatefulWidget {
-  @override
-  _GeneralSettingsState createState() => _GeneralSettingsState();
-}
-
-class _GeneralSettingsState extends State<GeneralSettings> {
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar: AppBar(title: Text('General'.i18n),),
-      body: ListView(
-        children: <Widget>[
+          ),
           ListTile(
-            title: Text('Offline mode'.i18n),
-            subtitle: Text('Will be overwritten on start.'.i18n),
-            leading: Switch(
-              value: settings.offlineMode,
-              onChanged: (bool v) {
-                if (v) {
-                  setState(() => settings.offlineMode = true);
-                  return;
-                }
+            title: Text('Proxy'.i18n),
+            leading: Icon(Icons.vpn_key),
+            subtitle: Text(settings.proxyAddress??'Not set'),
+            onTap: () {
+              String _new;
               showDialog(
                 context: context,
-                  builder: (context) {
-                    deezerAPI.authorize().then((v) {
-                      if (v) {
-                        setState(() => settings.offlineMode = false);
-                      } else {
-                        Fluttertoast.showToast(
-                          msg: 'Error logging in, check your internet connections.'.i18n,
-                          gravity: ToastGravity.BOTTOM,
-                          toastLength: Toast.LENGTH_SHORT
-                        );
-                      }
-                      Navigator.of(context).pop();
-                    });
+                builder: (BuildContext context) {
                   return AlertDialog(
-                      title: Text('Logging in...'.i18n),
-                      content: Row(
-                        mainAxisSize: MainAxisSize.max,
-                        mainAxisAlignment: MainAxisAlignment.center,
-                        children: <Widget>[
-                          CircularProgressIndicator()
-                        ],
+                    title: Text('Proxy'.i18n),
+                    content: TextField(
+                      onChanged: (String v) => _new = v,
+                      decoration: InputDecoration(
+                        hintText: 'IP:PORT'
+                      ),
+                    ),
+                    actions: [
+                      FlatButton(
+                        child: Text('Cancel'.i18n),
+                        onPressed: () => Navigator.of(context).pop(),
+                      ),
+                      FlatButton(
+                        child: Text('Reset'.i18n),
+                        onPressed: () async {
+                          setState(() {
+                            settings.proxyAddress = null;
+                          });
+                          await settings.save();
+                          Navigator.of(context).pop();
+                        },
+                      ),
+                      FlatButton(
+                        child: Text('Save'.i18n),
+                        onPressed: () async {
+                          setState(() {
+                            settings.proxyAddress = _new;
+                          });
+                          await settings.save();
+                          Navigator.of(context).pop();
+                        },
                       )
+                    ],
                   );
                 }
               );
             },
+          )
+        ],
       ),
-          ),
+    );
+  }
+}
+
+class DownloadsSettings extends StatefulWidget {
+  @override
+  _DownloadsSettingsState createState() => _DownloadsSettingsState();
+}
+
+class _DownloadsSettingsState extends State<DownloadsSettings> {
+
+  double _downloadThreads = settings.downloadThreads.toDouble();
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Text('Download Settings'.i18n),),
+      body: ListView(
+        children: [
           ListTile(
             title: Text('Download path'.i18n),
             leading: Icon(Icons.folder),
@@ -557,7 +590,7 @@ class _GeneralSettingsState extends State<GeneralSettings> {
                           ),
                           Container(height: 8.0),
                           Text(
-                          'Valid variables are'.i18n + ': %artists%, %artist%, %title%, %album%, %trackNumber%, %0trackNumber%, %feats%',
+                            'Valid variables are'.i18n + ': %artists%, %artist%, %title%, %album%, %trackNumber%, %0trackNumber%, %feats%, %playlistTrackNumber%, %0playlistTrackNumber%, %year%',
                             style: TextStyle(
                               fontSize: 12.0,
                             ),
@@ -598,9 +631,36 @@ class _GeneralSettingsState extends State<GeneralSettings> {
               );
             },
           ),
+          Padding(
+            padding: EdgeInsets.symmetric(horizontal: 16.0),
+            child: Text(
+              'Download threads'.i18n + ': ${_downloadThreads.round().toString()}',
+              style: TextStyle(
+                fontSize: 16.0
+              ),
+            ),
+          ),
+          Slider(
+            min: 1,
+            max: 6,
+            divisions: 5,
+            value: _downloadThreads,
+            label: _downloadThreads.round().toString(),
+            onChanged: (double v) => setState(() => _downloadThreads = v),
+            onChangeEnd: (double val) async {
+              _downloadThreads = val;
+              setState(() {
+                settings.downloadThreads = _downloadThreads.round();
+                _downloadThreads = settings.downloadThreads.toDouble();
+              });
+              await settings.save();
+            }
+          ),
           ListTile(
             title: Text('Create folders for artist'.i18n),
-            leading: Switch(
+            leading: Container(
+              width: 30.0,
+              child: Checkbox(
                 value: settings.artistFolder,
                 onChanged: (v) {
                   setState(() => settings.artistFolder = v);
@@ -608,9 +668,12 @@ class _GeneralSettingsState extends State<GeneralSettings> {
                 },
               ),
             ),
+          ),
           ListTile(
             title: Text('Create folders for albums'.i18n),
-            leading: Switch(
+            leading: Container(
+              width: 30.0,
+              child: Checkbox(
                 value: settings.albumFolder,
                 onChanged: (v) {
                   setState(() => settings.albumFolder = v);
@@ -618,9 +681,12 @@ class _GeneralSettingsState extends State<GeneralSettings> {
                 },
               ),
             ),
+          ),
           ListTile(
             title: Text('Separate albums by discs'.i18n),
-            leading: Switch(
+            leading: Container(
+              width: 30.0,
+              child: Checkbox(
                 value: settings.albumDiscFolder,
                 onChanged: (v) {
                   setState(() => settings.albumDiscFolder = v);
@@ -628,9 +694,12 @@ class _GeneralSettingsState extends State<GeneralSettings> {
                 },
               ),
             ),
+          ),
           ListTile(
             title: Text('Overwrite already downloaded files'.i18n),
-            leading: Switch(
+            leading: Container(
+              width: 30.0,
+              child: Checkbox(
                 value: settings.overwriteDownload,
                 onChanged: (v) {
                   setState(() => settings.overwriteDownload = v);
@@ -638,6 +707,95 @@ class _GeneralSettingsState extends State<GeneralSettings> {
                 },
               ),
             ),
+          ),
+          ListTile(
+            title: Text('Create folder for playlist'.i18n),
+            leading: Container(
+              width: 30.0,
+              child: Checkbox(
+                value: settings.playlistFolder,
+                onChanged: (v) {
+                  setState(() => settings.playlistFolder = v);
+                  settings.save();
+                },
+              ),
+            ),
+          ),
+          ListTile(
+            title: Text('Download .LRC lyrics'.i18n),
+            leading: Container(
+              width: 30.0,
+              child: Checkbox(
+                value: settings.downloadLyrics,
+                onChanged: (v) {
+                  setState(() => settings.downloadLyrics = v);
+                  settings.save();
+                },
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}
+
+
+class GeneralSettings extends StatefulWidget {
+  @override
+  _GeneralSettingsState createState() => _GeneralSettingsState();
+}
+
+class _GeneralSettingsState extends State<GeneralSettings> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(title: Text('General'.i18n),),
+      body: ListView(
+        children: <Widget>[
+          ListTile(
+            title: Text('Offline mode'.i18n),
+            subtitle: Text('Will be overwritten on start.'.i18n),
+            leading: Container(
+              width: 30.0,
+              child: Checkbox(
+                value: settings.offlineMode,
+                onChanged: (bool v) {
+                  if (v) {
+                    setState(() => settings.offlineMode = true);
+                    return;
+                  }
+                  showDialog(
+                      context: context,
+                      builder: (context) {
+                        deezerAPI.authorize().then((v) {
+                          if (v) {
+                            setState(() => settings.offlineMode = false);
+                          } else {
+                            Fluttertoast.showToast(
+                                msg: 'Error logging in, check your internet connections.'.i18n,
+                                gravity: ToastGravity.BOTTOM,
+                                toastLength: Toast.LENGTH_SHORT
+                            );
+                          }
+                          Navigator.of(context).pop();
+                        });
+                        return AlertDialog(
+                            title: Text('Logging in...'.i18n),
+                            content: Row(
+                              mainAxisSize: MainAxisSize.max,
+                              mainAxisAlignment: MainAxisAlignment.center,
+                              children: <Widget>[
+                                CircularProgressIndicator()
+                              ],
+                            )
+                        );
+                      }
+                  );
+                },
+              ),
+            ),
+          ),
           ListTile(
             title: Text('Copy ARL'.i18n),
             subtitle: Text('Copy userToken/ARL Cookie for use in other apps.'.i18n),
@@ -836,3 +994,110 @@ class _DirectoryPickerState extends State<DirectoryPicker> {
     );
   }
 }
+
+class CreditsScreen extends StatefulWidget {
+  @override
+  _CreditsScreenState createState() => _CreditsScreenState();
+}
+
+class _CreditsScreenState extends State<CreditsScreen> {
+
+  String _version = '';
+
+  //Title, Subtitle, URL
+  static final List<List<String>> credits = [
+    ['exttex', 'Developer'],
+    ['Bas Curtiz', 'Icon, logo, banner, design suggestions, tester'],
+    ['Deemix', 'Better app <3', 'https://codeberg.org/RemixDev/deemix'],
+    ['Tobs, Homam Al-Rawi, Francesco', 'Beta testers'],
+    ['Annexhack', 'Android Auto help']
+  ];
+
+  static final List<List<String>> translators = [
+    ['Homam Al-Rawi', 'Arabic'],
+    ['Markus', 'German'],
+    ['Andrea', 'Italian'],
+    ['Diego Hiro', 'Portuguese'],
+    ['Annexhack', 'Russian'],
+    ['Chino Pacia', 'Filipino'],
+    ['ArcherDelta & PetFix', 'Spanish'],
+    ['Shazzaam', 'Croatian'],
+    ['VIRGIN_KLM', 'Greek'],
+    ['koreezzz', 'Korean'],
+    ['Fwwwwwwwwwweze', 'French'],
+    ['kobyrevah', 'Hebrew']
+  ];
+
+  @override
+  void initState() {
+    PackageInfo.fromPlatform().then((info) {
+      setState(() {
+        _version = 'v${info.version}';
+      });
+    });
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('About'.i18n),
+      ),
+      body: ListView(
+        children: [
+          FreezerTitle(),
+          Text(
+            _version,
+            textAlign: TextAlign.center,
+            style: TextStyle(
+              fontStyle: FontStyle.italic
+            ),
+          ),
+          Divider(),
+          ListTile(
+            title: Text('Telegram Channel'.i18n),
+            subtitle: Text('To get latest releases'.i18n),
+            leading: Icon(FontAwesome5.telegram, color: Color(0xFF27A2DF), size: 36.0),
+            onTap: () {
+              launch('https://t.me/freezereleases');
+            },
+          ),
+          ListTile(
+            title: Text('Telegram Group'.i18n),
+            subtitle: Text('Official chat'.i18n),
+            leading: Icon(FontAwesome5.telegram, color: Colors.cyan, size: 36.0),
+            onTap: () {
+              launch('https://t.me/freezerandroid');
+            },
+          ),
+          Divider(),
+          ...List.generate(credits.length, (i) => ListTile(
+            title: Text(credits[i][0]),
+            subtitle: Text(credits[i][1]),
+            onTap: () {
+              if (credits[i].length >= 3) {
+                launch(credits[i][2]);
+              }
+            },
+          )),
+          Divider(),
+          ...List.generate(translators.length, (i) => ListTile(
+            title: Text(translators[i][0]),
+            subtitle: Text(translators[i][1]),
+          )),
+          Padding(
+            padding: EdgeInsets.fromLTRB(0, 4, 0, 8),
+            child: Text(
+              'Huge thanks to all the contributors! <3'.i18n,
+              textAlign: TextAlign.center,
+              style: TextStyle(
+                fontSize: 16.0
+              ),
+            ),
+          )
+        ],
+      ),
+    );
+  }
+}

pubspec.lock

@@ -7,14 +7,14 @@ packages:
       name: _fe_analyzer_shared
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.0.0"
+    version: "11.0.0"
   analyzer:
     dependency: transitive
     description:
       name: analyzer
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.39.14"
+    version: "0.40.4"
   args:
     dependency: transitive
     description:
@@ -28,7 +28,7 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.4.2"
+    version: "2.5.0-nullsafety.1"
   audio_service:
     dependency: "direct main"
     description:
@@ -49,14 +49,14 @@ packages:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0-nullsafety.1"
   build:
     dependency: transitive
     description:
       name: build
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.5.0"
   build_config:
     dependency: transitive
     description:
@@ -77,21 +77,21 @@ packages:
       name: build_resolvers
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.11"
+    version: "1.4.1"
   build_runner:
     dependency: "direct dev"
     description:
       name: build_runner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.10.1"
+    version: "1.10.3"
   build_runner_core:
     dependency: transitive
     description:
       name: build_runner_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "6.0.1"
+    version: "6.0.3"
   built_collection:
     dependency: transitive
     description:
@@ -119,14 +119,14 @@ packages:
       name: characters
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.0"
+    version: "1.1.0-nullsafety.3"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.3"
+    version: "1.2.0-nullsafety.1"
   checked_yaml:
     dependency: transitive
     description:
@@ -140,7 +140,7 @@ packages:
       name: cli_util
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.4"
+    version: "0.2.0"
   clipboard:
     dependency: "direct main"
     description:
@@ -154,7 +154,7 @@ packages:
       name: clock
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.1"
+    version: "1.1.0-nullsafety.1"
   code_builder:
     dependency: transitive
     description:
@@ -168,14 +168,14 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.13"
+    version: "1.15.0-nullsafety.3"
   connectivity:
     dependency: "direct main"
     description:
       name: connectivity
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.9+2"
+    version: "0.4.9+3"
   connectivity_for_web:
     dependency: transitive
     description:
@@ -189,7 +189,7 @@ packages:
       name: connectivity_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.0+4"
+    version: "0.1.0+5"
   connectivity_platform_interface:
     dependency: transitive
     description:
@@ -245,7 +245,7 @@ packages:
       name: dart_style
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.6"
+    version: "1.3.7"
   dio:
     dependency: "direct main"
     description:
@@ -287,7 +287,14 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0-nullsafety.1"
+  ffi:
+    dependency: transitive
+    description:
+      name: ffi
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3"
   file:
     dependency: transitive
     description:
@@ -348,7 +355,7 @@ packages:
       name: flutter_local_notifications
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.4+4"
+    version: "1.4.4+5"
   flutter_local_notifications_platform_interface:
     dependency: transitive
     description:
@@ -385,6 +392,13 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  fluttericon:
+    dependency: "direct main"
+    description:
+      name: fluttericon
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.7"
   fluttertoast:
     dependency: "direct main"
     description:
@@ -447,7 +461,7 @@ packages:
       name: i18n_extension
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.4"
+    version: "1.4.5"
   intl:
     dependency: "direct main"
     description:
@@ -475,14 +489,14 @@ packages:
       name: json_annotation
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.1"
+    version: "3.1.0"
   json_serializable:
     dependency: "direct dev"
     description:
       name: json_serializable
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.4.1"
+    version: "3.5.0"
   just_audio:
     dependency: "direct main"
     description:
@@ -517,14 +531,14 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.8"
+    version: "0.12.10-nullsafety.1"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.8"
+    version: "1.3.0-nullsafety.3"
   mime:
     dependency: transitive
     description:
@@ -587,14 +601,14 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.0-nullsafety.1"
   path_provider:
     dependency: "direct main"
     description:
       name: path_provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.14"
+    version: "1.6.18"
   path_provider_ex:
     dependency: "direct main"
     description:
@@ -615,7 +629,7 @@ packages:
       name: path_provider_macos
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.0.4+3"
+    version: "0.0.4+4"
   path_provider_platform_interface:
     dependency: transitive
     description:
@@ -623,13 +637,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.3"
+  path_provider_windows:
+    dependency: transitive
+    description:
+      name: path_provider_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.4+1"
   pedantic:
     dependency: transitive
     description:
       name: pedantic
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.0"
+    version: "1.9.2"
   permission_handler:
     dependency: "direct main"
     description:
@@ -657,7 +678,7 @@ packages:
       name: plugin_platform_interface
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.3"
   pointycastle:
     dependency: "direct main"
     description:
@@ -739,14 +760,14 @@ packages:
       name: source_gen
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.9.6"
+    version: "0.9.7+1"
   source_span:
     dependency: transitive
     description:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.0"
+    version: "1.8.0-nullsafety.2"
   sprintf:
     dependency: transitive
     description:
@@ -774,14 +795,14 @@ packages:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.5"
+    version: "1.10.0-nullsafety.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0-nullsafety.1"
   stream_transform:
     dependency: transitive
     description:
@@ -795,7 +816,7 @@ packages:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.5"
+    version: "1.1.0-nullsafety.1"
   synchronized:
     dependency: transitive
     description:
@@ -809,14 +830,14 @@ packages:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0-nullsafety.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.17"
+    version: "0.2.19-nullsafety.2"
   timing:
     dependency: transitive
     description:
@@ -830,7 +851,49 @@ packages:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0-nullsafety.3"
+  url_launcher:
+    dependency: "direct main"
+    description:
+      name: url_launcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.7.2"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+1"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+8"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.8"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.4+1"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+1"
   uuid:
     dependency: transitive
     description:
@@ -844,7 +907,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
+    version: "2.1.0-nullsafety.3"
   watcher:
     dependency: transitive
     description:
@@ -859,13 +922,20 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.0"
+  win32:
+    dependency: transitive
+    description:
+      name: win32
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.7.3"
   xdg_directories:
     dependency: transitive
     description:
       name: xdg_directories
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.0"
+    version: "0.1.2"
   yaml:
     dependency: transitive
     description:
@@ -874,5 +944,5 @@ packages:
     source: hosted
     version: "2.2.1"
 sdks:
-  dart: ">=2.9.0 <3.0.0"
+  dart: ">=2.10.0-110 <2.11.0"
   flutter: ">=1.20.0 <2.0.0"

pubspec.yaml

@@ -15,7 +15,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # In iOS, build-name is used as CFBundleShortVersionString while build-number used as CFBundleVersion.
 # Read more about iOS versioning at
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
-version: 0.4.2+1
+version: 0.5.0+1
 
 environment:
   sdk: ">=2.8.0 <3.0.0"
@@ -61,9 +61,11 @@ dependencies:
   flutter_screenutil: ^2.3.0
   marquee: ^1.5.2
   flutter_cache_manager: ^1.4.1
-  cached_network_image: ^2.2.0+1
+  cached_network_image: ^2.3.2+1
   clipboard: ^0.1.2+8
   i18n_extension: ^1.4.4
+  fluttericon: ^1.0.7
+  url_launcher: ^5.7.2
 
   audio_session: ^0.0.7
   audio_service: