text 这是一个简单的代码，用于为工具栏上的后退按钮设置自定义drawable

Posted 2021-05-03

if (SharedPreferenceHelper.getDefaultLanguage(getActivity()).equals(SharedPreferenceHelper.ARABIC_LOCAL_LANGUAGE)) {
            ((AppCompatActivity) getActivity()).getSupportActionBar().setHomeAsUpIndicator(R.drawable.ar_back);
        }
        else {
            ((AppCompatActivity) getActivity()).getSupportActionBar().setHomeAsUpIndicator(R.drawable.back);
        }