Flutter getx de diálogo

flutter getx de diálogo

GetMaterialApp( 
        home: Scaffold(
          appBar: AppBar(title: Text('Snackbar')),
          body: Center(
              child: ElevatedButton(
                  onPressed: () {
                    Get.defaultDialog();
                  },
                  child: Text('Button')),
          )
        )
      );