forked from lxm_flutter/FlutterUnit
88 lines
2.6 KiB
Dart
88 lines
2.6 KiB
Dart
import 'package:flutter/material.dart';
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/// create by 张风捷特烈 on 2020-03-25
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/// contact me by email 1981462002@qq.com
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/// 说明:
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// {
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// "widgetId": 114,
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// "name": 'DefaultTextStyleTransition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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// "【textAlign】 : 文字对齐方式 【TextAlign】\n"
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// "【softWrap】 : 是否包裹 【bool】\n"
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// "【maxLines】 : 最大行数 【int】\n"
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// "【overflow】 : 溢出模式 【TextOverflow】\n"
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// "【style】 : 动画 【Animation<TextStyle>】",
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// }
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class CustomDefaultTextStyleTransition extends StatefulWidget {
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const CustomDefaultTextStyleTransition({Key? key}) : super(key: key);
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@override
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_CustomDefaultTextStyleTransitionState createState() =>
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_CustomDefaultTextStyleTransitionState();
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}
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class _CustomDefaultTextStyleTransitionState
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extends State<CustomDefaultTextStyleTransition>
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with SingleTickerProviderStateMixin {
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late AnimationController _ctrl;
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@override
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void initState() {
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_ctrl = AnimationController(
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vsync: this,
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duration: const Duration(seconds: 1),
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);
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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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alignment: Alignment.center,
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width: 300,
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height: 100,
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child: DefaultTextStyleTransition(
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textAlign: TextAlign.start,
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softWrap: true,
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maxLines: 1,
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overflow: TextOverflow.ellipsis,
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style: TextStyleTween(
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begin: const TextStyle(
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color: Colors.blue,
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fontSize: 50,
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shadows: [
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Shadow(
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offset: Offset(1, 1),
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color: Colors.black,
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blurRadius: 3)
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]),
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end: const TextStyle(
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color: Colors.white,
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fontSize: 20,
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shadows: [
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Shadow(
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offset: Offset(1, 1),
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color: Colors.purple,
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blurRadius: 3)
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])).animate(_ctrl),
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child: const Text('张风捷特烈'),
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),
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));
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}
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}
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