LocaleUtil.java

package cm.android.util;

import android.content.Context;
import android.content.res.Configuration;
import android.util.DisplayMetrics;

import java.util.Locale;

/**
 * Local信息管理类
 */
public class LocaleUtil {

    public static String showLocale() {
        StringBuilder sb = new StringBuilder();
        sb.append("getDefault() == " + Locale.getDefault().toString() + "\n");
        sb.append("getCountry() == " + Locale.getDefault().getCountry() + "\n");
        sb.append("getDisplayCountry() == "
                + Locale.getDefault().getDisplayCountry() + "\n");
        sb.append("getLanguage() == " + Locale.getDefault().getLanguage()
                + "\n");
        sb.append("getDisplayLanguage() == "
                + Locale.getDefault().getDisplayLanguage() + "\n");
        sb.append("getDisplayName() == " + Locale.getDefault().getDisplayName()
                + "\n");
        sb.append("getVariant() == " + Locale.getDefault().getVariant() + "\n");
        sb.append("getDisplayVariant() == "
                + Locale.getDefault().getDisplayVariant() + "\n");
        sb.append("--------\n");
        for (Locale locale : Locale.getAvailableLocales()) {
            sb.append(locale.getCountry() + "--" + locale.getLanguage() + "--"
                    + locale.getDisplayCountry() + "--"
                    + locale.getDisplayLanguage() + "--"
                    + locale.getDisplayName() + "\n");
        }
        String str = sb.toString();
        return str;
    }

    // public static String showLocale2() {
    // StringBuilder sb = new StringBuilder();
    // sb.append("DisplayCountry--Country--Language\n");
    // for (Locale locale : Locale.getAvailableLocales()) {
    // sb.append(locale.getDisplayCountry() + "--" + locale.getCountry()
    // + "--" + locale.getLanguage() + "\n");
    // }
    // String str = sb.toString();
    // return str;
    // }

    public static String showLocale2() {
        StringBuilder sb = new StringBuilder();
        // sb.append("Language\n");
        sb.append(
                "getCountry,getDisplayCountry,getDisplayLanguage,getDisplayName,getDisplayVariant,getISO3Country,getISO3Language,getLanguage,getVariant\n");
        for (Locale locale : Locale.getAvailableLocales()) {
            sb.append(locale.getCountry() + ",");
            sb.append(locale.getDisplayCountry() + ",");
            sb.append(locale.getDisplayLanguage() + ",");
            sb.append(locale.getDisplayName() + ",");
            sb.append(locale.getDisplayVariant() + ",");
            sb.append(locale.getISO3Country() + ",");
            sb.append(locale.getISO3Language() + ",");
            sb.append(locale.getLanguage() + ",");
            sb.append(locale.getVariant() + ",\n");
        }
        String str = sb.toString();
        return str;
    }

    public static String showTest(Context context) {
        // 首先获得当前的语言或者国家：
        String able = "getCountry() == "
                + context.getResources().getConfiguration().locale.getCountry()
                + "\n";
        return able;
    }

    /**
     * 更新语言
     */
    public static void updateLanguage(Context context) {
        // 选择中文
        Configuration config = context.getResources().getConfiguration();
        DisplayMetrics dm = context.getResources().getDisplayMetrics();
        config.locale = Locale.SIMPLIFIED_CHINESE;
        context.getResources().updateConfiguration(config, dm);
    }

    public static String getLocale() {
        Locale locale = Locale.getDefault();
        if (locale != null) {
            String lo = locale.getLanguage();
            if (lo != null) {
                return lo.toLowerCase();
            }
        }
        return "en";
    }
}