flutter组件_AbsorbPointer

官方说明：A widget that absorbs pointers during hit testing.
翻译：一个在命中测试期间吸收指针的Widget。
作者释义：阻止子元素的点击事件。

AbsorbPointer的定义

const AbsorbPointer({super.key,this.absorbing = true,this.ignoringSemantics,super.child,
});

属性：

属性名	属性值
absorbing	是否阻止子Widget的点击事件，默认为true（阻止）
~~ignoringSemantics~~	是否保持子Widget的语义信息，该特性在v3.8.0-12.0.pre之后已弃用。
child	子组件

实例：

import 'package:flutter/material.dart';void main() => runApp(const AbsorbPointerApp());class AbsorbPointerApp extends StatelessWidget {const AbsorbPointerApp({super.key});@overrideWidget build(BuildContext context) {return MaterialApp(debugShowCheckedModeBanner: false,home: Scaffold(appBar: AppBar(title: const Text('AbsorbPointer Demo')),body: const Center(child: AbsorbPointerWidget(),),),);}
}class AbsorbPointerWidget extends StatefulWidget {const AbsorbPointerWidget({super.key});@overrideState<AbsorbPointerWidget> createState() => _AbsorbPointerExampleState();
}class _AbsorbPointerExampleState extends State<AbsorbPointerWidget> {bool isPrevent = true;@overrideWidget build(BuildContext context) {return Container(constraints: const BoxConstraints(minHeight: double.infinity),child: Column(children: [Row(mainAxisAlignment: MainAxisAlignment.center,children: [Switch(value: isPrevent,onChanged:(value) => setState(() => isPrevent=value),),const Text('是否阻止点击')],),SizedBox(width: 200.0,height: 100.0,child: AbsorbPointer(absorbing: isPrevent,child: ElevatedButton(onPressed: () {},child: const Text('Button'),),),)],),);}
}