@Override
    public void onConfigurationChanged(@NonNull final Configuration newConfig) {
        super.onConfigurationChanged(newConfig);

        initApplicationLocale();
    }
<a href="https://code.google.com/p/android/issues/detail?id=173789">...</a>
introduced with JELLY_BEAN_MR2 / fixed in October 2016
main/src/main/java/cgeo/geocaching/CgeoApplication.java