forked from lxm_flutter/FlutterUnit
124 lines
3.1 KiB
Dart
124 lines
3.1 KiB
Dart
import 'package:flutter/material.dart';
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/// create by 张风捷特烈 on 2020/9/21
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/// contact me by email 1981462002@qq.com
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/// 说明: 207 SafeArea 安全区 通过添加内边距，来适配一些手机本身特殊性(圆角、刘海屏等)而所造成的布局问题。
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// {
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// "widgetId": 207,
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// "name": 'SafeArea 使用测试',
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// "priority": 1,
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// "subtitle":
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// "【left】 : 左侧是否启用 【bool】\n"
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// "【top】 : 上方是否启用 【bool】\n"
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// "【bottom】 : 下方是否启用 【bool】\n"
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// "【right】 : 右侧是否启用 【bool】\n"
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// "【child】 : 子组件 【Widget】",
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// }
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class SafeAreaDemo extends StatelessWidget {
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@override
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Widget build(BuildContext context) {
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return Container(
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padding: EdgeInsets.all(10),
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child: ElevatedButton(
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onPressed: () {
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Navigator.push(
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context,
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MaterialPageRoute(builder: (context) => SafeAreaPage()),
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);
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},
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child: Text("进入 SafeArea 测试页"),
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),
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);
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}
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}
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class SafeAreaPage extends StatefulWidget {
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@override
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_SafeAreaPageState createState() => _SafeAreaPageState();
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}
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class _SafeAreaPageState extends State<SafeAreaPage> {
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bool _top = true;
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bool _left = true;
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bool _right = true;
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bool _bottom = true;
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@override
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Widget build(BuildContext context) {
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return SafeArea(
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top: _top,
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left: _left,
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right: _right,
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bottom: _bottom,
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child: Scaffold(
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appBar: AppBar(
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title: Text(
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'SafeArea 测试',
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),
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),
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body: Column(
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children: [
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..._buildSlider(),
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Expanded(
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child: ListView.separated(
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itemCount: 20,
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separatorBuilder: (_, __) => Divider(
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height: 1,
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),
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itemBuilder: (_, index) => Container(
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color: Colors.blue,
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// padding: EdgeInsets.only(left: 20),
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alignment: Alignment.center,
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height: 50,
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child: Text(
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"第$index个",
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style: TextStyle(fontSize: 24, 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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),
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),
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);
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}
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List<Widget> _buildSlider()=>[Row(
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children: [
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Switch(
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value: _top,
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onChanged: (v) => setState(() => _top = v),
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),
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Text("top: $_top")
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],
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),
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Row(
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children: [
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Switch(
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value: _left,
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onChanged: (v) => setState(() => _left = v),
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),
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Text("left: $_left")
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],
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),
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Row(
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children: [
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Switch(
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value: _right,
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onChanged: (v) => setState(() => _right = v),
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),
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Text("right: $_right")
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],
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),
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Row(
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children: [
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Switch(
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value: _bottom,
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onChanged: (v) => setState(() => _bottom = v),
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),
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Text("bottom: $_bottom")
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],
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),];
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}
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