/**
 * TODO<更新系统语言>
 * 
 * @author Xiho
 * @versionCode 1 <每次修改提交前+1>
 */
@SuppressWarnings("unchecked")
public class LanguageUtils {


  public static void updateLanguage(Locale locale) {
    try {
      Object objIActMag, objActMagNative;

      Class clzIActMag = Class.forName("android.app.IActivityManager");

      Class clzActMagNative = Class
          .forName("android.app.ActivityManagerNative");

      //amn = ActivityManagerNative.getDefault(); 
      Method mtdActMagNative$getDefault = clzActMagNative
          .getDeclaredMethod("getDefault");

      objIActMag = mtdActMagNative$getDefault.invoke(clzActMagNative);

       // objIActMag = amn.getConfiguration(); 
      Method mtdIActMag$getConfiguration = clzIActMag
          .getDeclaredMethod("getConfiguration");

      Configuration config = (Configuration) mtdIActMag$getConfiguration
          .invoke(objIActMag);

      // set the locale to the new value 
      config.locale = locale;

      //持久化  config.userSetLocale = true; 
      Class clzConfig = Class
          .forName("android.content.res.Configuration");
      java.lang.reflect.Field userSetLocale = clzConfig
          .getField("userSetLocale");
      userSetLocale.set(config, true);

      // 此处需要声明权限:android.permission.CHANGE_CONFIGURATION
      // 会重新调用 onCreate();
      Class[] clzParams = { Configuration.class };

      // objIActMag.updateConfiguration(config);
      Method mtdIActMag$updateConfiguration = clzIActMag
          .getDeclaredMethod("updateConfiguration", clzParams);

      mtdIActMag$updateConfiguration.invoke(objIActMag, config);

      BackupManager.dataChanged("com.android.providers.settings");

    } catch (Exception e) {
      e.printStackTrace();
    }
  }

}

// objIActMag.updateConfiguration(config);
mtdIActMag$updateConfiguration.invoke(objIActMag, config);

android.permission.CHANGE_CONFIGURATION