獲取ios手機的mac地址的函數 – iPhone手機開發技術文章 iPhone軟體開發教學課程

最近開發的ios項目,由於需要向服務器發送,本應用的活躍手機量。通過獲取手機的唯一標示符UUID或者MAC地址。由於IOS5以後,不支持獲取uuid,因此獲取MAC地址。下面的代碼復用率極高,可以作為很重要的參考。

 

#pragma mark MAC

// Return the local MAC addy

// Courtesy of FreeBSD hackers email list

// Accidentally munged during previous update. Fixed thanks to mlamb.

– (NSString *) macaddress

{

int                    mib[6];

size_t                len;

char                *buf;

unsigned char        *ptr;

struct if_msghdr    *ifm;

struct sockaddr_dl    *sdl;

mib[0] = CTL_NET;

mib[1] = AF_ROUTE;

mib[2] = 0;

mib[3] = AF_LINK;

mib[4] = NET_RT_IFLIST;

if ((mib[5] = if_nametoindex("en0")) == 0) {

printf("Error: if_nametoindex error/n");

return NULL;

}

if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) {

printf("Error: sysctl, take 1/n");

return NULL;

}

if ((buf = malloc(len)) == NULL) {

printf("Could not allocate memory. error!/n");

return NULL;

}

if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {

printf("Error: sysctl, take 2");

return NULL;

}

ifm = (struct if_msghdr *)buf;

sdl = (struct sockaddr_dl *)(ifm + 1);

ptr = (unsigned char *)LLADDR(sdl);

NSString *outstring = [NSString stringWithFormat:@"%02x%02x%02x%02x%02x%02x", *ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), *(ptr+5)];

free(buf);www.aiwalls.com

return [outstring uppercaseString];

}

 

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