Exemplo n.º 1
0
  @SuppressWarnings("static-access")
  @Override
  public boolean onKeyDown(int keyCode, KeyEvent event) {
    if (event.getKeyCode() == KeyEvent.KEYCODE_MENU) {
      if (addPop.popFirst) {
        addPop.showAsDropDown(iv, iv.getLayoutParams().width / 2, 18);
      }

      return true;
    }
    if (event.getKeyCode() == KeyEvent.KEYCODE_BACK) {
      if (System.currentTimeMillis() - exitTime > 2000) {
        Toast.makeText(this, "再按一次退出程序", 0).show();
        exitTime = System.currentTimeMillis();
      } else {
        finish();
      }
      return true;
    }
    return super.onKeyDown(keyCode, event);
  }