点击空白处，软键盘消失

/** * 点击空白处，软键盘消失 */@Overridepublic boolean dispatchTouchEvent(MotionEvent ev) {    if (needCloseInputWhenTouchSpace() && ev.getAction() == MotionEvent.ACTION_DOWN) {        View v = getCurrentFocus();        if (InputMethodUtils.isShouldHideInput(v, ev)) {            InputMethodUtils.forceHideInputMethod(v, this);        }    }    return super.dispatchTouchEvent(ev);}