DatePicker crashes on my device when clicked (with personal app)

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It’s a Samsung bug in their Lollipop UI implementation. It affects Galaxy S4, S5, Note 3 and probably more devices. For us it occurs on de_DE and de_AT languages, but it appears to be an issue that affects multiple languages.

I fixed it by forcing Samsung devices to use the Holo theme for the date picker. In our DatePickerFragment:

@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
    /* calendar code here */

    Context context = getActivity();
    if (isBrokenSamsungDevice()) {
        context = new ContextThemeWrapper(getActivity(), android.R.style.Theme_Holo_Light_Dialog);
    }
    return new DatePickerDialog(context, this, year, month, day);
}

private static boolean isBrokenSamsungDevice() {
    return (Build.MANUFACTURER.equalsIgnoreCase("samsung")
            && isBetweenAndroidVersions(
            Build.VERSION_CODES.LOLLIPOP,
            Build.VERSION_CODES.LOLLIPOP_MR1));
}

private static boolean isBetweenAndroidVersions(int min, int max) {
    return Build.VERSION.SDK_INT >= min && Build.VERSION.SDK_INT <= max;
}

Thanks to Samsung, their users will not get the nice material-designed date picker.

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