Multilingual support for android application

LocaleManager.java

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.preference.PreferenceManager;
import java.util.Locale;

public class LocaleManager {

    public static final String LANGUAGE_ENGLISH = "";
    private static final String LANGUAGE_KEY = "selectedLanguage";

    public static Context setLocale(Context c) {
        return updateResources(c, getLanguage(c));
    }

    public static Context setNewLocale(Context c, String language) {
        persistLanguage(c, language);
        return updateResources(c, language);
    }

    public static String getLanguage(Context c) {
        SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(c);
        String lang = prefs.getString(LANGUAGE_KEY, LANGUAGE_ENGLISH);

//         if (lang.equals("ar")) {
//             Constants.CULTURE = 1;
//         }
        return lang;
    }

    @SuppressLint("ApplySharedPref")
    private static void persistLanguage(Context c, String language) {
       SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(c);
       // use commit() instead of apply(), because sometimes we kill the application process immediately
       // which will prevent apply() to finish
       prefs.edit().putString(LANGUAGE_KEY, language).commit();

//         if (language.equals("ar")) {
//             Constants.CULTURE = 1;
//         } else {
//             Constants.CULTURE = 0;
//         }
//         UserSharedPreference.saveLanguage(language);
    }

    private static Context updateResources(Context context, String language) {
        Locale locale = new Locale(language);
        Locale.setDefault(locale);

        Resources res = context.getResources();
        Configuration config = new Configuration(res.getConfiguration());
        if (Build.VERSION.SDK_INT >= 17) {
            config.setLocale(locale);
            context = context.createConfigurationContext(config);
        } else {
            config.locale = locale;
            res.updateConfiguration(config, res.getDisplayMetrics());
        }
        return context;
    }

    public static Locale getLocale(Resources res) {
        Configuration config = res.getConfiguration();
        return Build.VERSION.SDK_INT >= 24 ? config.getLocales().get(0) : config.locale;
    }
}

MainActivity.java

import android.content.Context;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;

import com.m3logi.R;
import com.m3logi.utils.LocaleManager;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void attachBaseContext(Context base) {
        super.attachBaseContext(LocaleManager.setLocale(base));
    }
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_splash);
        
    }
}

MyApp.java

import android.app.Application;
import android.content.Context;
import android.content.res.Configuration;

import com.m3logi.utils.LocaleManager;

public class App extends Application {

    public static Context context;

    @Override
    public void onCreate() {
        super.onCreate();
        context = getApplicationContext();
    }

    @Override
    protected void attachBaseContext(Context base) {
        super.attachBaseContext(LocaleManager.setLocale(base));
    }

    @Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        LocaleManager.setLocale(this);
    }
}