Java tutorial
//package com.java2s; //License from project: Open Source License import java.util.Locale; import android.app.Activity; import android.content.res.Resources; import android.util.DisplayMetrics; public class Main { /** * Set default language * * @param act * @param defLanguage */ public static void setDefaultLanguage(Activity act, String defLanguage) { if (defLanguage != null) { // Change locale settings in the app. Resources res = act.getResources(); DisplayMetrics dm = res.getDisplayMetrics(); android.content.res.Configuration conf = res.getConfiguration(); conf.locale = new Locale(defLanguage); res.updateConfiguration(conf, dm); } } }