HarmonyOS 如何监听键盘抬起落下

window.getLastWindow(getContext(this), (err: BusinessError, data) => {
  const errCode: number = err.code;
  if (errCode) {
    console.error('Failed to obtain the top window. Cause: ' + JSON.stringify(err));
    return;
  }
  windowClass = data;
  try {
    windowClass.on('keyboardHeightChange', (data) => {
      if (data > 0) {
        this.isKeyboardShow = true;
        console.info('监听keyboard抬起成功 ');

      } else {
        this.isKeyboardShow = false
        console.info('监听keyboard隐藏成功 ');
      }
      console.info('Succeeded in enabling the listener for keyboard height changes. Data: ' + JSON.stringify(data));
    });
  } catch (exception) {
    console.error('Failed to enable the listener for keyboard height changes. Cause: ' + JSON.stringify(exception));
  }
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