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FlatButton 클릭시 AlertDialog를 닫는 방법은 무엇입니까?
다음이 AlertDialog있습니다. showDialog( context: context, child: new AlertDialog( title: const Text("Location disabled"), content: const Text( """ Location is disabled on this device. Please enable it and try again. """), actions: [ new FlatButton( child: const Text("Ok"), onPressed: _dismissDialog, ), ], ), ); _dismissDialog()기각을 어떻게 할 수 AlertDialog있습니까?