//

//  MobileCountryCode.h

//

//  http://en.wikipedia.org/wiki/Mobile_Network_Code

//

//  Created by YouXian on 14-3-24.

//  Copyright (c) 2014年 YouXian. All rights reserved.

//

#import <Foundation/Foundation.h>

#import <CoreTelephony/CTTelephonyNetworkInfo.h>

#import <CoreTelephony/CTCarrier.h>

#warning 使用前请引入 CoreTelephony.framework 框架

@interface MobileCountryCode : NSObject

/**

 获取当前运营商的标识符

 @return 返回运营商标示符(成功返回标示符,失败返回nil)

 中国移动 00 02 07

 中国联通 01 06

 中国电信 03 05

 中国铁通 20

 */

+ (NSString *)serviceProvider;

@end

//

//  MobileCountryCode.m

//

//  http://en.wikipedia.org/wiki/Mobile_Network_Code

//

//  Created by YouXian on 14-3-24.

//  Copyright (c) 2014年 YouXian. All rights reserved.

//

#import "MobileCountryCode.h"

#if __has_feature(objc_arc)

#define YX_release(obj)

#define YX_autorelease(obj)

#else

#define YX_release(obj)      [obj release]

#define YX_autorelease(obj)  [obj autorelease]

#endif

@implementation MobileCountryCode

+ (NSString *)serviceProvider

{

    CTTelephonyNetworkInfo *info = [[CTTelephonyNetworkInfo alloc] init];

    // information about the user’s home cellular service provider

    CTCarrier *carrier = [info subscriberCellularProvider];

    if (carrier == nil)

    {

        YX_release(carrier);

        carrier = nil;

        return nil;

    }

    // The mobile network code (MNC) for the user’s cellular service provider

    NSString *code = [carrier mobileNetworkCode];

    if (code == nil)

    {

        YX_release(carrier);

        carrier = nil;

        return nil;

    }

    return code;

}

@end