RaisedButton.icon(
icon: Icon(Icons.search),
label: Text("图标按钮...Checkbox(
value: this.flag,
activeColor: Colors.red, //选中颜色...CheckboxListTile(
value: this.flag,
activeColor: Colors.red, //选中颜色...RadioListTile(
value: 1,
activeColor: Colors.red, //选中颜色...,
RadioListTile(
value: 2,
activeColor: Colors.red, //选中颜色