41 lines
1 KiB
Dart
41 lines
1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:simple_animations/simple_animations.dart';
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class AnimatedBackground extends StatelessWidget {
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AnimatedBackground(
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this.animateColors,
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this.lastColor,
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this.begin,
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this.end,
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this.duration,
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);
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final List<Color> animateColors;
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final Color lastColor;
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final Alignment begin, end;
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final int duration;
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@override
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Widget build(BuildContext context) {
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final tween = MultiTrackTween([
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Track("color1").add(Duration(seconds: this.duration),
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ColorTween(begin: this.animateColors[0], end: this.animateColors[1])),
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]);
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return ControlledAnimation(
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playback: Playback.MIRROR,
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tween: tween,
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duration: tween.duration,
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builder: (context, animation) {
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return Container(
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: this.begin,
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end: this.end,
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colors: [animation["color1"], this.lastColor])),
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);
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},
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);
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}
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}
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