forked from lxm_flutter/FlutterUnit
54 lines
1.3 KiB
Dart
54 lines
1.3 KiB
Dart
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import 'package:flutter/material.dart';
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// {
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// "widgetId": 90,
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// "name": 'RotationTransition基本使用',
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// "priority": 1,
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// "subtitle":
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// "【child】 : 孩子组件 【Widget】\n"
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// "【turns】 : 是否消失 【Animation<double>】",
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// }
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class CustomRotationTransition extends StatefulWidget {
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@override
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_CustomRotationTransitionState createState() => _CustomRotationTransitionState();
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}
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class _CustomRotationTransitionState extends State<CustomRotationTransition> with SingleTickerProviderStateMixin{
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AnimationController _ctrl;
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@override
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void initState() {
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_ctrl= AnimationController(vsync: this,duration: Duration(seconds: 2));
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_ctrl.forward();
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super.initState();
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}
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@override
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void dispose() {
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_ctrl.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 GestureDetector(
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onTap: () {
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setState(() {
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_ctrl.reset();
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_ctrl.forward();
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});
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},
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child: Container(
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color: Colors.grey.withAlpha(22),
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width: 100,
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height: 100,
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child: RotationTransition(
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turns: CurvedAnimation(parent: _ctrl, curve: Curves.linear),
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child: Icon(Icons.android,color: Colors.green,size: 60),
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),
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),
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);
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}
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}
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