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'; import 'package:i18n_extension/i18n_widget.dart'; import 'package:move_to_background/move_to_background.dart'; import 'package:freezer/translations.i18n.dart'; import 'api/deezer.dart'; import 'api/download.dart'; import 'api/player.dart'; import 'settings.dart'; import 'ui/home_screen.dart'; import 'ui/player_bar.dart'; Function updateTheme; Function logOut; GlobalKey mainNavigatorKey = GlobalKey(); GlobalKey navigatorKey; void main() async { WidgetsFlutterBinding.ensureInitialized(); //Initialize globals settings = await Settings().loadSettings(); await downloadManager.init(); cache = await Cache.load(); runApp(FreezerApp()); } class FreezerApp extends StatefulWidget { @override _FreezerAppState createState() => _FreezerAppState(); } class _FreezerAppState extends State { @override void initState() { //Make update theme global updateTheme = _updateTheme; super.initState(); } @override void dispose() { super.dispose(); } void _updateTheme() { setState(() { settings.themeData; }); } Locale _locale() { if (settings.language == null || settings.language.split('_').length < 2) return null; return Locale(settings.language.split('_')[0], settings.language.split('_')[1]); } @override Widget build(BuildContext context) { return MaterialApp( title: 'Freezer', theme: settings.themeData, localizationsDelegates: [ GlobalMaterialLocalizations.delegate, GlobalWidgetsLocalizations.delegate, GlobalCupertinoLocalizations.delegate, ], supportedLocales: supportedLocales, home: WillPopScope( onWillPop: () async { //For some reason AudioServiceWidget caused the app to freeze after 2 back button presses. "fix" if (navigatorKey.currentState.canPop()) { await navigatorKey.currentState.maybePop(); return false; } await MoveToBackground.moveTaskToBack(); return false; }, child: I18n( initialLocale: _locale(), child: LoginMainWrapper(), ), ), navigatorKey: mainNavigatorKey, ); } } //Wrapper for login and main screen. class LoginMainWrapper extends StatefulWidget { @override _LoginMainWrapperState createState() => _LoginMainWrapperState(); } class _LoginMainWrapperState extends State { @override void initState() { if (settings.arl != null) { playerHelper.start(); //Load token on background deezerAPI.arl = settings.arl; settings.offlineMode = true; deezerAPI.authorize().then((b) async { if (b) setState(() => settings.offlineMode = false); }); } //Global logOut function logOut = _logOut; super.initState(); } Future _logOut() async { setState(() { settings.arl = null; settings.offlineMode = true; deezerAPI = new DeezerAPI(); }); await settings.save(); } @override Widget build(BuildContext context) { if (settings.arl == null) return LoginWidget( callback: () => setState(() => {}), ); return MainScreen(); } } class MainScreen extends StatefulWidget { @override _MainScreenState createState() => _MainScreenState(); } class _MainScreenState extends State { List _screens = [HomeScreen(), SearchScreen(), LibraryScreen()]; int _selected = 0; @override void initState() { navigatorKey = GlobalKey(); super.initState(); } @override Widget build(BuildContext context) { return Scaffold( bottomNavigationBar: Column( mainAxisSize: MainAxisSize.min, children: [ PlayerBar(), BottomNavigationBar( backgroundColor: Theme.of(context).bottomAppBarColor, currentIndex: _selected, onTap: (int s) async { //Pop all routes until home screen while (navigatorKey.currentState.canPop()) { await navigatorKey.currentState.maybePop(); } await navigatorKey.currentState.maybePop(); setState(() { _selected = s; }); }, selectedItemColor: Theme.of(context).primaryColor, items: [ BottomNavigationBarItem( icon: Icon(Icons.home), title: Text('Home'.i18n)), BottomNavigationBarItem( icon: Icon(Icons.search), title: Text('Search'.i18n), ), BottomNavigationBarItem( icon: Icon(Icons.library_music), title: Text('Library'.i18n)) ], ) ], ), body: AudioServiceWidget( child: CustomNavigator( navigatorKey: navigatorKey, home: _screens[_selected], pageRoute: PageRoutes.materialPageRoute, ), )); } }