设置应用语言

package com.cnmobl.utils;import java.util.Locale;import android.content.Context;import android.content.SharedPreferences;import android.content.res.Configuration;import android.content.res.Resources;import android.preference.PreferenceManager;import android.util.DisplayMetrics;/** *  *   应用设置 *  * */public class LanguageSettingUtil {//单例模式-    private static LanguageSettingUtil instance;    private Context context;    //存储当前系统的language设置-    private String defaultLanguage;    //存储当前系统Locale-    private Locale defaultLocale;    public final static String ENGLISH = "en";    public final static String CHINESE = "zh";    private LanguageSettingUtil(Context paramContext) {        //得到系统语言-        Locale localLocale = Locale.getDefault();        this.defaultLocale = localLocale;        //保存系统语言到defaultLanguage        String str = this.defaultLocale.getLanguage();        this.defaultLanguage = str;        this.context = paramContext;    }    //检验自身是否被创建-    public static LanguageSettingUtil get() {        if (instance == null)            throw new IllegalStateException("language setting not initialized yet");        return instance;    }    //初始化-    public static void init(Context paramContext) {        if (instance == null) {            instance = new LanguageSettingUtil(paramContext);        }    }    // 创建Configuration-    private Configuration getUpdatedLocaleConfig(String paramString) {        Configuration localConfiguration = context.getResources().getConfiguration();        Locale localLocale = getLocale(paramString);        localConfiguration.locale = localLocale;        return localConfiguration;    }    //得到APP配置文件目前的语言设置-    public String getLanguage() {        SharedPreferences localSharedPreferences = PreferenceManager.getDefaultSharedPreferences(this.context);        //如果当前程序没有设置language属性就返回系统语言，如果有，就返回以前的-        return localSharedPreferences.getString("language",                this.defaultLanguage);    }    //如果配置文件中没有语言设置-    public Locale getLocale() {        String str = getLanguage();        return getLocale(str);    }    //创建新Locale并覆盖原Locale-    public Locale getLocale(String paramString) {        Locale localLocale = new Locale(paramString);        Locale.setDefault(localLocale);        return localLocale;    }    //刷新显示配置-    public void refreshLanguage() {        String str = getLanguage();        Resources localResources = this.context.getResources();        if (!localResources.getConfiguration().locale.getLanguage().equals(str)) {            Configuration localConfiguration = getUpdatedLocaleConfig(str);            // A structure describing general information about a display, such            // as its size, density, and font scaling.            DisplayMetrics localDisplayMetrics = localResources.getDisplayMetrics();            localResources.updateConfiguration(localConfiguration,localDisplayMetrics);        }    }    //设置系统语言-    public void saveLanguage(String paramString) {        PreferenceManager.getDefaultSharedPreferences(this.context).edit().putString("language", paramString).commit();    }    //保存系统的语言设置到SharedPreferences-    public void saveSystemLanguage() {        PreferenceManager.getDefaultSharedPreferences(this.context).edit().putString("PreSysLanguage", this.defaultLanguage).commit();    }    public void checkSysChanged(String cuerSysLanguage) {        //如果系统语言设置发生变化-        if (!cuerSysLanguage.equals(PreferenceManager.getDefaultSharedPreferences(this.context).getString("PreSysLanguage", "zh"))) {            //如果系统保存了this对象，就在这里修改defaultLanguage的值为当前系统语言cuerSysLanguage            this.defaultLanguage = cuerSysLanguage;            saveLanguage(cuerSysLanguage);            saveSystemLanguage();        }    }}

/* 设置语言*/ public static void setLanguage(Context context){ sharedPreferences = context.getSharedPreferences(context.getPackageName(), 0); int index = sharedPreferences.getInt("recordType", 0);if(index == 0 || index == 1){// 自动设置语言 ,不做操作}else if(index == 2 ){// 中文change("zh",context);} else if(index == 3){// 英文change("en",context);} }      public static void change(String language,Context context){LanguageSettingUtil.init(context);// 初始化languageSetting = LanguageSettingUtil.get();// 检查是否已经初始化        languageSetting.saveLanguage(language);// 设置为"en"语言        LanguageSettingUtil.get().refreshLanguage();// 刷新    }