forked from lxm_flutter/FlutterUnit
51 lines
1.4 KiB
Dart
51 lines
1.4 KiB
Dart
import 'package:flutter/material.dart';
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/// create by 张风捷特烈 on 2020-03-29
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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": 170,
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// "name": 'WillPopScope使用',
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// "priority": 1,
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// "subtitle": "【child】 : 子组件 【Widget】\n"
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// "【onWillPop】 : 返回回调 【WillPopCallback】",
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// }
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class CustomWillPopScope extends StatelessWidget {
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const CustomWillPopScope({Key? key}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return WillPopScope(
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child: const BackButton(),
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onWillPop: () => _willPop(context),
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);
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}
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Future<bool> _willPop(context) async {
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bool? exit = await showDialog(
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context: context,
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builder: (ctx) => AlertDialog(
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shape: const RoundedRectangleBorder(
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borderRadius: BorderRadius.all(Radius.circular(10))),
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title: const Text('提示'),
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content: const Text('你确定要离开此页吗?'),
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actions: [
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FlatButton(
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onPressed: () => Navigator.of(ctx).pop(true),
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child: const Text('确定'),
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),
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FlatButton(
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onPressed: () => Navigator.of(ctx).pop(false),
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child: const Text('取消'),
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),
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],
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),
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);
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print('====_willPop==:$exit========');
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return exit??false;
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}
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}
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