Android Locale Changer

LocaleHelper.java

package com.rayana.himeapp.Utility;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.os.Build;
import android.os.LocaleList;
import android.preference.PreferenceManager;

import java.util.Locale;

/**
 * Created by Ali Hosseini on 9/2/17.
 * this class provides changing locale compulsively on application resources
 */
public class LocaleHelper {

    private static final String SELECTED_LANGUAGE = "Locale.Helper.Selected.Language";

    public static Context onAttach(Context context) {
        String lang = getPersistedData(context, Locale.getDefault().getLanguage());
        return setLocale(context, lang);
    }

    public static Context onAttach(Context context, String language) {
        return setLocale(context, language);
    }

    public static String getLanguage(Context context) {
        return getPersistedData(context, Locale.getDefault().getLanguage());
    }

    private static Context setLocale(Context context, String language) {
        persist(context, language);
        return updateResources(context, language);

    }

    private static String getPersistedData(Context context, String defaultLanguage) {
        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
        return preferences.getString(SELECTED_LANGUAGE, defaultLanguage);
    }

    @SuppressLint("ApplySharedPref")
    private static boolean persist(Context context, String language) {
        SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(context);
        SharedPreferences.Editor editor = preferences.edit();
        editor.putString(SELECTED_LANGUAGE, language);
        return editor.commit();
    }

    private static Context updateResources(Context context, String language) {

        Locale locale = new Locale(language);
        Locale.setDefault(locale);
        Resources resources = context.getResources();
        Configuration configuration = resources.getConfiguration();

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {

            configuration.setLocale(locale);
            LocaleList localeList = new LocaleList(locale);
            LocaleList.setDefault(localeList);
            configuration.setLocales(localeList);
            return context.createConfigurationContext(configuration);

        } else if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN_MR1) {

            configuration.setLocale(locale);
            return context.createConfigurationContext(configuration);

        } else {

            configuration.locale = locale;
            resources.updateConfiguration(configuration, resources.getDisplayMetrics());

        }
        return context;
    }

}