//点击屏幕 关闭输入弹出框

 @Override

 public boolean onTouchEvent(MotionEvent event) {

  InputMethodManager im = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);

  im.hideSoftInputFromWindow(getCurrentFocus().getApplicationWindowToken(), InputMethodManager.HIDE_NOT_ALWAYS);

  return super.onTouchEvent(event);

 }