Android 키보드 숨기기 And EditText 포커스 없애기

public static void hideKeyBoardAndClearFocus(Activity activity){
    View searchView =activity.getCurrentFocus();
    if(searchView != null){
        InputMethodManager imm = (InputMethodManager)activity.getSystemService(Context.INPUT_METHOD_SERVICE);
        imm.hideSoftInputFromWindow(searchView.getWindowToken(),0);
    }
    activity.getWindow().getDecorView().clearFocus();
}