在按移动按钮回颤动

代码示例

你怎么改变后按钮颤动

appBar: AppBar(
	title: Text('AppBar'),
    leading: IconButton(icon: Icon(Icons.arrow_back)), // appbar leading icon.
   ),

扑回键数据

WillPopScope(
      onWillPop: () async {
        Navigator.pop(context, 'Pass Your Data Here');
        return false;
      },
      child: // Your Widget
);

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