示例#1
0
  @Override
  public boolean dispatchKeyEvent(KeyEvent event) {
    if (mContext.onKeyEvent(id, this, event)) {
      Log.d(TAG, "Window " + id + " key event " + event + " cancelled by implementation.");
      return false;
    }

    if (event.getAction() == KeyEvent.ACTION_UP) {
      switch (event.getKeyCode()) {
        case KeyEvent.KEYCODE_BACK:
          mContext.unfocus(this);
          return true;
      }
    }

    return super.dispatchKeyEvent(event);
  }