60 lines
1.7 KiB
Dart
60 lines
1.7 KiB
Dart
import 'dart:math';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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class AnimatedBars extends StatefulWidget {
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final double size;
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final Color? color;
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const AnimatedBars({
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super.key,
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this.size = 24.0,
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this.color,
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});
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@override
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State<AnimatedBars> createState() => _AnimatedBarsState();
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}
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class _AnimatedBarsState extends State<AnimatedBars>
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with TickerProviderStateMixin {
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late final _controller = AnimationController(
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vsync: this, duration: const Duration(milliseconds: 1000))
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..repeat(reverse: true);
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@override
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void dispose() {
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_controller.dispose();
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super.dispose();
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}
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@override
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Widget build(BuildContext context) {
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final color = widget.color ?? Theme.of(context).colorScheme.onSurface;
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final r = Random();
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final count = 3;
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AnimatedIcons.search_ellipsis;
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return SizedBox.square(
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dimension: widget.size,
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceEvenly,
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children: List.generate(
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count,
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(index) => SizedBox(
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width: widget.size / count,
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child: Align(
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alignment: Alignment.bottomCenter,
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child: SizeTransition(
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sizeFactor: Tween(begin: 1.0, end: 0.2)..animate(
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CurvedAnimation(
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parent: _controller.,
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curve: Interval(0.1 * index, 0.3 * index,
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curve: Curves.easeIn))),
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axisAlignment: 1.0,
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child: Container(color: color)),
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),
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)),
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));
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}
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}
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