新创建的工程，布局里只有一个EditText,出现虚拟键盘，点击任何按键，OnKeyDown都没反应。手机型号是：OPPO F1w
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
Log.e("mazhuang", TAG + event.getAction());
return super.onKeyDown(keyCode, event);
}