获取手机（ios，android）的设备唯一码(mac地址, IMEI)

app中总会用到客户端下载量数据统计，一般都是用的设备的唯一码作为标示，以下是获取mac地址的代码片段，记录备份。

android获取mac地址

1.<uses-permissionandroid:name="android.permission.ACCESS_WIFI_STATE">

2.privateStringgetLocalMacAddress(){

WifiManagerwifi=(WifiManager)getSystemService(Context.WIFI_SERVICE);

WifiInfoinfo=wifi.getConnectionInfo();

returninfo.getMacAddress();

}

android获取IMEI数据

publicstaticStringgetIMEI(Contextcontext){

return((TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE)).getDeviceId();

}

ios获得mac地址

+(NSString*)getLocalMacAddress

{

intmib[6];

size_tlen;

char*buf;

unsignedchar*ptr;

structif_msghdr*ifm;

structsockaddr_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_nametoindexerror/n");

returnNULL;

}

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

//printf("Error:sysctl,take1/n");

returnNULL;

}

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

//printf("Couldnotallocatememory.error!/n");

returnNULL;

}

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

//printf("Error:sysctl,take2");

returnNULL;

}

ifm=(structif_msghdr*)buf;

sdl=(structsockaddr_dl*)(ifm+1);

ptr=(unsignedchar*)LLADDR(sdl);

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

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

free(buf);

return[outstringuppercaseString];

}

ios获取时候所需包含的头文件

#include<sys/socket.h>

#include<sys/sysctl.h>
#include<net/if.h>
#include <net/if_dl.h>

- (NSString *) macaddress{

int mib[6];
size_t len;
char *buf;
unsignedchar *ptr;
structif_msghdr *ifm;
structsockaddr_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 errorn");
return NULL;
}

if(sysctl(mib, 6, NULL, &len, NULL, 0)< 0) {
printf("Error: sysctl, take 1n");
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");
free(buf);
return NULL;
}

ifm =(struct if_msghdr *)buf;
sdl =(struct sockaddr_dl *)(ifm + 1);
ptr =(unsigned char *)LLADDR(sdl);
NSString*outstring = [NSString stringWithFormat:@"X:X:X:X:X:X",
*ptr, *(ptr+1), *(ptr+2), *(ptr+3), *(ptr+4), *(ptr+5)];
free(buf);

returnoutstring;
}
- (NSString *)getMacAddress
{
int mgmtInfoBase[6];
char *msgBuffer = NULL;
size_t length;
unsignedchar macAddress[6];
structif_msghdr *interfaceMsgStruct;
structsockaddr_dl *socketStruct;
NSString *errorFlag = NULL;

// Setup themanagement Information Base (mib)
mgmtInfoBase[0] =CTL_NET; // Request network subsystem
mgmtInfoBase[1] =AF_ROUTE; // Routing table info
mgmtInfoBase[2] =0;
mgmtInfoBase[3] =AF_LINK; // Request link layer information
mgmtInfoBase[4] = NET_RT_IFLIST; // Request allconfigured interfaces

// With allconfigured interfaces requested, get handleindex
if((mgmtInfoBase[5] = if_nametoindex("en0")) ==0)
errorFlag = @"if_nametoindex failure";
else
{
// Get the size of the data available (store inlen)
if (sysctl(mgmtInfoBase, 6, NULL, &length, NULL, 0)< 0)
errorFlag = @"sysctl mgmtInfoBase failure";
else
{
// Alloc memory based on above call
if ((msgBuffer = malloc(length)) == NULL)
errorFlag = @"buffer allocation failure";
else
{
// Get system information, store in buffer
if (sysctl(mgmtInfoBase, 6, msgBuffer, &length,NULL, 0) < 0)
errorFlag = @"sysctl msgBuffer failure";
}
}
}

// Beforgoing any further...
if(errorFlag != NULL)
{
NSLog(@"Error: %@", errorFlag);
return errorFlag;
}

// Mapmsgbuffer to interface message structure
interfaceMsgStruct = (struct if_msghdr *)msgBuffer;

// Map tolink-level socket structure
socketStruct= (struct sockaddr_dl *) (interfaceMsgStruct +1);

// Copy linklayer address data in socket structure to anarray
memcpy(&macAddress,socketStruct->sdl_data +socketStruct->sdl_nlen, 6);

// Read fromchar array into a string object, into traditional Mac addressformat
NSString*macAddressString = [NSStringstringWithFormat:@"X:X:X:X:X:X",
macAddress[0], macAddress[1],macAddress[2],
macAddress[3], macAddress[4],macAddress[5]];
NSLog(@"MacAddress: %@", macAddressString);

// Releasethe buffer memory
free(msgBuffer);

returnmacAddressString;
}

在这儿有两个概念UUID与UDID.

UUID是Universally Unique Identifier 通用唯一标识码

UDID是Unique Device Identifier 设备唯一标识码

UDID只是UUID的一个子集而已。

-(NSString*)uuid
{
CFUUIDRefpuuid=CFUUIDCreate(nil);
CFStringRefuuidString=CFUUIDCreateString(nil,puuid);
NSString*result=(NSString*)CFStringCreateCopy(NULL,uuidString);
CFRelease(puuid);
CFRelease(uuidString);
return[resultautorelease];
}

- (NSString *)uuid
{
CFUUIDReftheUUID = CFUUIDCreate(NULL);
CFStringRefstring = CFUUIDCreateString(NULL, theUUID);
NSMakeCollectable(theUUID);
return(NSString *)string;
}

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