如何取消订阅输入法软键盘显示或隐藏事件

import { inputMethodEngine } from '@kit.IMEKit';
import { BusinessError } from '@kit.BasicServicesKit';
/**
 * 取消订阅输入法软键盘显示或隐藏事件
 */
static removeKeyboardListener() {
  try {
    inputMethodEngine.getInputMethodAbility().off('keyboardShow');
    inputMethodEngine.getInputMethodAbility().off('keyboardHide');
  } catch (err) {
    let error = err as BusinessError;
    console.log(`KeyboardUtil-removeKeyboardListener-异常 ~ code: ${error.code} -·- message: ${error.message}`);
  }
}
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