forked from lxm_flutter/FlutterUnit
66 lines
1.7 KiB
Dart
66 lines
1.7 KiB
Dart
import 'package:flutter/material.dart';
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/// create by 张风捷特烈 on 2020-04-01
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/// contact me by email 1981462002@qq.com
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/// 说明: 227 AnimatedModalBarrier 动画屏障模
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/// 内部依赖 ModalBarrier 实现，功能一致，只不过该组件可以传入一个颜色动画，进行过渡展现。
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/// link: 212
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// {
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// "widgetId": 227,
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// "name": 'AnimatedModalBarrier 介绍',
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// "priority": 1,
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// "subtitle":
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// "【dismissible】 : 点击是否返回 【bool】\n"
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// "【color】 : 颜色 【Animation<Color>】",
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// }
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class AnimatedModalBarrierDemo extends StatefulWidget {
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const AnimatedModalBarrierDemo({Key? key}) : super(key: key);
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@override
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_AnimatedModalBarrierDemoState createState() =>
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_AnimatedModalBarrierDemoState();
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}
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class _AnimatedModalBarrierDemoState extends State<AnimatedModalBarrierDemo>
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with SingleTickerProviderStateMixin {
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late AnimationController _controller;
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late Animation<Color?> _color;
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@override
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void initState() {
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super.initState();
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_controller = AnimationController(
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vsync: this,
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duration: const Duration(seconds: 2),
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)..forward();
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_color = ColorTween(
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begin: Colors.blue,
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end: Colors.purple,
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).animate(_controller);
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}
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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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return SizedBox(
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width: 200,
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height: 100,
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child: Stack(alignment: Alignment.center, children: [
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AnimatedModalBarrier(
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dismissible: true,
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color: _color,
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),
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const Text(
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'点击背景返回',
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style: TextStyle(color: Colors.white),
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)
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]),
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);
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}
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}
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