//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); }