android - 如何在关闭 AlertDialog 时调用函数？

Question

我用 ListView 创建了一个 AlertDialog。创建 AlertDialog 时，它还会开始扫描 BLE 设备。当用户单击其中一项时，将调用 scanLeDevice 函数，这将停止进一步扫描。我想知道当我在 AlertDialog 之外单击时如何调用此函数？

public class BLEScan extends AlertDialog {
....
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

...
bleList.setOnItemClickListener(new AdapterView.OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> adapterView, View view, int i, long l) {
            BLEScan.this.scanLeDevice(false);
            selectedBluetoothDevice =(BluetoothDevice) (bleList.getItemAtPosition(i));
            BLEScan.this.dismiss();
        }
    });

Answer 1

通过setOnDismissListener()设置一个OnDismissListener