LocalUtils.java

package com.realmo.utils;

import android.content.Context;
import android.telephony.TelephonyManager;
import android.text.TextUtils;

import java.util.Locale;

/**
 * Created by realmo on 16/8/15.
 */
public class LocalUtils {
 /**
 * 判断国家是否是国内用户
 *
 *方法一
 *
 * @return
 */
 public static boolean isCN(Context context) {
 TelephonyManager tm = (TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
 String countryIso = tm.getSimCountryIso();
 boolean isCN = false;//判断是不是大陆
 if (!TextUtils.isEmpty(countryIso)) {
 countryIso = countryIso.toUpperCase(Locale.US);
 if (countryIso.contains("CN")) {
 isCN = true;
 }
 }
 return isCN;

 }

 /**
 * 判断系统语言环境
 * @return
 */

 public static boolean isZh(Context context) {
 Locale locale = context.getResources().getConfiguration().locale;
 String language = locale.getLanguage();
 if (language.endsWith("zh"))
 return true;
 else
 return false;
 }



/**
 * 方法二
 */
 /** 查询手机的 MCC+MNC */
 private static String getSimOperator(Context c) {
 TelephonyManager tm = (TelephonyManager) c.getSystemService(Context.TELEPHONY_SERVICE);
 try {
 return tm.getSimOperator();
 } catch (Exception e) {

 }
 return null;
 }


 /** 因为发现像华为Y300，联想双卡的手机，会返回 "null" "null,null" 的字符串 */
 private static boolean isOperatorEmpty(String operator) {
 if (operator == null) {
 return true;
 }


 if (operator.equals("") || operator.toLowerCase(Locale.US).contains("null")) {
 return true;
 }


 return false;
 }


 /** 判断是否是国内的 SIM 卡，优先判断注册时的mcc */
 public static boolean isChinaSimCard(Context c) {
 String mcc = getSimOperator(c);
 if (isOperatorEmpty(mcc)) {
 return false;
 } else {
 return mcc.startsWith("460");
 }
 }



}