package com.barry.common.util;
import android.app.Activity;
import android.content.Intent;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
import android.text.TextUtils;
import java.util.Locale;
/**
* 切换语言的工具类
*
* @author : barry.huang
* @time : 16/9/21
**/
public class LanguageUtil {
private static final String LAST_LANGUAGE = “lastLanguage”;
/**
* 当改变系统语言时,重启App
*
* @param activity
* @param homeActivityCls 主activity
* @return
*/
public static boolean isLanguageChanged(Activity activity, Class> homeActivityCls) {
Locale locale = Locale.getDefault();
if (locale == null) {
return false;
}
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(activity);
String localeStr = sp.getString(LAST_LANGUAGE, “”);
String curLocaleStr = getLocaleString(locale);
if (TextUtils.isEmpty(localeStr)) {
sp.edit().putString(LAST_LANGUAGE, curLocaleStr).commit();
return false;
} else {
if (localeStr.equals(curLocaleStr)) {
return false;
} else {
sp.edit().putString(LAST_LANGUAGE, curLocaleStr).commit();
restartApp(activity, homeActivityCls);
return true;
}
}
}
private static String getLocaleString(Locale locale) {
if (locale == null) {
return “”;
} else {
return locale.getCountry() + locale.getLanguage();
}
}
public static void restartApp(Activity activity, Class> homeClass) {
Intent intent = new Intent(activity, homeClass);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
activity.startActivity(intent);
// 杀掉进程
android.os.Process.killProcess(android.os.Process.myPid());
System.exit(0);
}
}在基类BaseActivity的onCreate()方法里调用LanguageUtil.isLanguageChanged(activity, homeActivityCls).添加权限over.
