forked from lxm_flutter/FlutterUnit
132 lines
3.5 KiB
Dart
132 lines
3.5 KiB
Dart
import 'package:flutter/material.dart';
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/// create by 张风捷特烈 on 2020-03-17
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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": 65,
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// "name": 'MaterialApp基本用法',
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// "priority": 1,
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// "subtitle": "【theme】 : 主题 【ThemeData】\n"
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// "【title】 : 任务栏标题 【String】\n"
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// "【debugShowCheckedModeBanner】 : 开启角标 【bool】\n"
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// "【showPerformanceOverlay】 : 开启性能浮层 【bool】\n"
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// "【debugShowMaterialGrid】 : 开启网格 【bool】\n"
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// "【onGenerateRoute】 : 路由生成器 【RouteFactory】\n"
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// "【home】 : 主页 【Widget】",
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// }
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class MaterialAppDemo extends StatefulWidget {
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const MaterialAppDemo({Key? key}) : super(key: key);
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@override
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_WidgetsAppDemoState createState() => _WidgetsAppDemoState();
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}
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class _WidgetsAppDemoState extends State<MaterialAppDemo> {
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bool _debugShowCheckedModeBanner = false;
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bool _showPerformanceOverlay = false;
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bool _debugShowMaterialGrid = false;
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@override
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Widget build(BuildContext context) {
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return Column(
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mainAxisSize: MainAxisSize.min,
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children: [
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_buildSwitchers(),
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SizedBox(
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height: 250,
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child: MaterialApp(
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debugShowCheckedModeBanner: _debugShowCheckedModeBanner,
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showPerformanceOverlay: _showPerformanceOverlay,
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debugShowMaterialGrid: _debugShowMaterialGrid,
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home: const HomePage(),
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),
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),
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],
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);
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}
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Widget _buildSwitchers() {
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return DefaultTextStyle(
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style: const TextStyle(color: Colors.blue),
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child: Wrap(
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spacing: 10,
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children: [
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Column(
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children: [
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Switch(
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value: _showPerformanceOverlay,
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onChanged: (v) {
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setState(() {
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_showPerformanceOverlay = v;
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});
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},
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),
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const Text('性能浮层')
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],
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),
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Column(
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children: [
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Switch(
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value: _debugShowCheckedModeBanner,
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onChanged: (v) {
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setState(() {
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_debugShowCheckedModeBanner = v;
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});
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},
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),
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const Text('开启角标')
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],
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),
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Column(
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children: [
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Switch(
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value: _debugShowMaterialGrid,
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onChanged: (v) {
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setState(() {
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_debugShowMaterialGrid = v;
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});
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},
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),
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const Text('开启网格')
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],
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)
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],
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),
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);
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}
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}
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class HomePage extends StatefulWidget {
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const HomePage({Key? key}) : super(key: key);
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@override
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_HomePageState createState() => _HomePageState();
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}
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class _HomePageState extends State<HomePage> {
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var _count = 0;
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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body: Container(
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alignment: const Alignment(0, 0.7),
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child: Text(
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'你点击了$_count次',
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style: const TextStyle(fontSize: 18, color: Colors.blue),
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),
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),
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floatingActionButton: FloatingActionButton(
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child: const Icon(Icons.add),
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onPressed: () {
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setState(() {
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_count++;
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});
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},
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),
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);
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}
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}
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