是否可以创建一个扩展了StatelessWidget或StatefulWidget的类的类。
例如:
class MyButton extends StatelessWidget {
final String label;
Button({this.label});
@override
Widget build(BuildContext context) {
return ButtonExample("label");}
}
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然后
class SubmitButton extends MyButton
{
String label;
SubmitButton({Key key, this.label}) : super(label: label);
// then somehow extend the parent build and change only the color
// or in case of StatefulWidget change a functionality
}
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我尝试在线搜索示例,但没有成功。
flutter ×1