Android 隐藏键盘

    protected void hideSoftKeyboard() {        InputMethodManager inputMethodManager = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);        if (getWindow().getAttributes().softInputMode != WindowManager.LayoutParams.SOFT_INPUT_STATE_HIDDEN) {            if (getCurrentFocus() != null)                inputMethodManager.hideSoftInputFromWindow(getCurrentFocus().getWindowToken(),                        InputMethodManager.HIDE_NOT_ALWAYS);        }    }