android View依据自己获取焦点的情况执行语句

android View根据自己获取焦点的情况执行语句

@Override protected void onFocusChanged(boolean gainFocus, int direction,                                   Rect previouslyFocusedRect)     {         if (gainFocus == true)         {              }         else         {                     }     }           super.onFocusChanged(gainFocus, direction,previouslyFocusedRect);