mirror of
https://github.com/alibaba/flutter-go.git
synced 2025-07-08 10:15:53 +08:00
72 lines
2.1 KiB
Dart
72 lines
2.1 KiB
Dart
/// Created with Android Studio.
|
||
/// User: 一晟
|
||
/// Date: 2019/1/1
|
||
/// Time: 下午7:30
|
||
/// email: zhu.yan@alibaba-inc.com
|
||
/// target: AppBar 的示例
|
||
|
||
import 'package:flutter/material.dart';
|
||
|
||
import './demo.dart' as AppBarDemo;
|
||
import 'package:flutter_go/components/widget_demo.dart';
|
||
|
||
const String _Text0 =
|
||
"""### **简介**
|
||
> AppBar “应用栏”
|
||
- 应用栏由工具栏组成,或者是工具栏和其他 widget 组合形成,例如 TabBar和FlexibleSpaceBar;
|
||
- 应用栏通常用于 Scaffold.appBar 属性,该属性将应用栏放置在屏幕顶部的固定高度小部件中;
|
||
- 对于可滚动的应用栏,请参阅SliverAppBar,它将AppBar嵌入 sliver 中以便在CustomScrollView中使用;
|
||
""";
|
||
|
||
|
||
const String _Text1 =
|
||
"""### **基本用法**
|
||
> AppBar
|
||
- AppBar 在底部上方显示工具栏 widget,前导 leading ,标题 title 和操作 actions;
|
||
""";
|
||
|
||
const String _Text2 =
|
||
"""### **进阶用法**
|
||
> AppBar
|
||
- 一个完整的 AppBar 的例子, 增加 PopupMenuButton,TabBar 的示例子;
|
||
- 所述底部通常用于一个的 TabBar;
|
||
- 如果指定了 flexibleSpace 窗口 widget,则它将堆叠在工具栏和底部窗口 widget 后面;
|
||
""";
|
||
|
||
class Demo extends StatefulWidget {
|
||
static const String routeName = '/components/Bar/AppBar';
|
||
|
||
@override
|
||
_DemoState createState() => _DemoState();
|
||
}
|
||
|
||
class _DemoState extends State<Demo> {
|
||
@override
|
||
Widget build(BuildContext context) {
|
||
return WidgetDemo(
|
||
title: 'AppBar',
|
||
codeUrl: 'components/Bar/AppBar/demo.dart',
|
||
contentList: allDomes(context, this),
|
||
docUrl: 'https://docs.flutter.io/flutter/material/AppBar-class.html',
|
||
);
|
||
}
|
||
}
|
||
|
||
// 所有的 AppBar widget
|
||
// context: 运行上下文
|
||
// that: 指向有状态的 StatefulWidget
|
||
List allDomes(BuildContext context, _DemoState that) {
|
||
return [
|
||
_Text0,
|
||
SizedBox(height: 20.0), // 间距
|
||
_Text1,
|
||
SizedBox(height: 20.0), // 间距
|
||
AppBarDemo.AppBarLessDefaultSimple(),
|
||
SizedBox(height: 20.0), // 间距
|
||
_Text2,
|
||
SizedBox(height: 20.0), // 间距
|
||
AppBarDemo.AppBarLessDefaultComplex(),
|
||
SizedBox(height: 20.0), // 间距
|
||
];
|
||
}
|