Widgetbuild(BuildContext context){print("Main MediaQuery padding: ${MediaQuery.of(context).padding} viewInsets.bottom: ${MediaQuery.of(context).viewInsets.bottom}");returnScaffold(appBar:AppBar(title:newText("MainWidget"),),extendBody:true,body:Column(children:[newExpanded(child:InkWell(onTap:(...
yellow), //设置阴影 不适用于这里的TextButton elevation: MaterialStateProperty.all(0), //设置按钮内边距 padding: MaterialStateProperty.all(EdgeInsets.all(10)), //设置按钮的大小 minimumSize: MaterialStateProperty.all(Size(200, 100)), //设置边框 side: MaterialStateProperty.all(BorderSide(color:...
AI代码解释 ListTile(//预览小图标leading:newIcon(Icons.account_circle),//标题title:newText(results==null?data:results),//子标题subtitle:newText('简介: '+(results==null?data:results)),// 右边的图标trailing:newIcon(Icons.chevron_right),onTap:(){print('点击事件:点击了 ListTile === title为:...
Flutter 里有多种 Button 按钮组件: ElevatedButton : "漂浮"按钮 TextButton :文本按钮 OutlinedButton :线框按钮 IconButton :图标按钮 ButtonBar :按钮组 FloatingActionButton :浮动按钮 属性 按钮(Button)有以下常用属性: onPressed :必填参数,按下按钮时触发的回调,接收一个方法,传 null 表示按钮禁用,会显示禁...
FlatButton:扁平化按钮,默认透明背景,被点击后会呈现灰色背景 按钮控件使用方法唯一区别只是默认样式不同。 分别定义FloatingActionButton、FlatButton与RaisedButton,功能完全一样,点击时打印文字: FloatingActionButton(onPressed: () => print('FloatingActionButton pressed'),child: Text('Btn'),); FlatButton(onPres...
//设置阴影 不适用于这里的TextButton elevation: MaterialStateProperty.all(0), //设置按钮内边距 padding: MaterialStateProperty.all(EdgeInsets.all(10)), //设置按钮的大小 minimumSize: MaterialStateProperty.all(Size(200, 100)), //设置边框
style: _textStyle, child: Container( padding: padding.resolve(Directionality.of(context)), height: widget.isDense ? _denseButtonHeight : null, child: Row( mainAxisAlignment: MainAxisAlignment.spaceBetween, mainAxisSize: MainAxisSize.min, children: <Widget>[ ...
EditableTextState should dispose cursorVisibilityNotifier. by @polina-c in #133858 Remove non needed controllers in SegmentedButton. by @polina-c in #134064 _TabBarViewState should dispose created instances of PageController. by @polina-c in #134091 Fix Drawer examples are missing dartpad tag ...
color: richTextColor, decoration: decoration, ); } 定义不同样式文本间距 EdgeInsetsrichTextPadding(List<RichTextInputType>list) {//默认间距EdgeInsets edgeInsets =constEdgeInsets.symmetric(horizontal:16.0,vertical:4.0, );for(RichTextInputType i inlist) {switch(i) {caseRichTextInputType.header1...
去除内置padding 完整代码: Text('***Flutter 1.22版本新增的按钮***',style:TextStyle(color:Colors.redAccent),),SizedBox(height:20),Container(color:Colors.orange,child:TextButton(onPressed:(){},child:Text('TextButton'),style:ButtonStyle(tapTargetSize:MaterialTapTargetSize.shrinkWrap,// 设置点击区域...