backgroundColor: Colors.red,//导航栏和状态栏的的颜色elevation:10,//阴影的高度bottom: PreferredSize( child: Text('bottom'), preferredSize: Size(30,30)),//在appbar下面显示的东西brightness: Brightness.light,//控制状态栏的颜色,lignt 文字是灰色的,dark是白色的iconTheme: IconThemeData( color: Colors...
backgroundImage: NetworkImage("https://www.itying.com/images/flutter/3.png"), ), decoration: BoxDecoration( image: DecorationImage( image: NetworkImage("https://www.itying.com/images/flutter/2.png"), fit: BoxFit.cover), ), otherAccountsPictures:<Widget>[ Image.network("https://www.ityi...
flutter: assets: - assets/background.jpg 3. 在代码中设置AppBar背景图片 定位到AppBar组件的代码部分,通常这会在Scaffold组件的appBar属性中定义。使用flexibleSpace属性来自定义背景区域,通过FlexibleSpaceBar组件,并设置其background属性为Image.asset或Image.network来加载背景图片。 以下是一个完整的代码示例: dart...
appBar: new AppBar( /// 第一种方式 /// 通过可监听点击的IconButton传入widget, /// 并在onPressed中处理drawer开启,借助于GlobalKey leading: new IconButton( icon: new Container( padding: EdgeInsets.all(3.0), child: new CircleAvatar( radius: 30.0, backgroundImage: AssetImage("assets/images/moo...
Widgetbuild(BuildContext context){// TODO: implement buildreturnScaffold(appBar:AppBar(title:Text("我是AppBar"),),);}} 运行效果 image.png 2.3 leading代码举例 leading相当于返回按钮 leading:IconButton(icon:Icon(Icons.arrow_back),onPressed:(){Navigator.pop(context);}), ...
background: Image.asset("images/head.jpg"), ), ), 这里我们设置pinned,snap和floating的值都为true,然后设置了expandedHeight和flexibleSpace。 这里的flexibleSpaces是一个FlexibleSpaceBar对象,这里我们设置了title和background属性。 接着我们需要把SliverAppBar放到CustomScrollView中进行展示。
首先我们定义一个SliverAppBar: 代码语言:javascript 代码运行次数:0 复制 Cloud Studio代码运行 SliverAppBar(pinned:true,snap:true,floating:true,expandedHeight:200.0,flexibleSpace:FlexibleSpaceBar(title:constText('SliverAppBar'),background:Image.asset("images/head.jpg"),),), ...
[DrawerAutoBindingAppBar]leading:newContainer(padding:EdgeInsets.all(3.0),child:newCircleAvatar(radius:30.0,backgroundImage:AssetImage("assets/images/moosphon_logo.jpeg"))),centerTitle:true,title:newTabBar(isScrollable:true,labelPadding:EdgeInsets.all(14),indicatorSize:TabBarIndicatorSize.label,...
[SliverAppBar(automaticallyImplyLeading: false,pinned: true,snap: false,floating: false,expandedHeight: 460.0,flexibleSpace: FlexibleSpaceBar(background: Image.asset('assets/images/it_curtoon_1.png',fit: BoxFit.cover,),title: const Text('flutter-online.top'),),),// 同样的思路在这里再来一次...
appBar: AppBar( title:constText('AppBar Demo'), actions:<Widget>[ IconButton( icon:constIcon(Icons.add_alert), tooltip:'Show Snackbar', onPressed: () { scaffoldKey.currentState.showSnackBar(snackBar); }, ), IconButton( icon:constIcon(Icons.navigate_next), ...