identifierForVendor und iOS6

Diese:

NSString *udid;

if (SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(@"6.0"))
    udid = [UIDevice currentDevice].identifierForVendor.UUIDString;
else
    udid = [UIDevice currentDevice].uniqueIdentifier;

mit pre-Prozessor-code:

#define SYSTEM_VERSION_EQUAL_TO(v)                  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedSame)
#define SYSTEM_VERSION_GREATER_THAN(v)              ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedDescending)
#define SYSTEM_VERSION_GREATER_THAN_OR_EQUAL_TO(v)  ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedAscending)
#define SYSTEM_VERSION_LESS_THAN(v)                 ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] == NSOrderedAscending)
#define SYSTEM_VERSION_LESS_THAN_OR_EQUAL_TO(v)     ([[[UIDevice currentDevice] systemVersion] compare:v options:NSNumericSearch] != NSOrderedDescending)

InformationsquelleAutor Naka

Es ist immer anders. UUID enthält Zeitstempel, jedes mal, wenn Sie diese Funktion aufrufen, erhalten Sie eine andere (zufällige).
Ich habe diesen Ansatz in IDManager Klasse,
Dies ist eine Sammlung von verschiedenen Lösungen. KeyChainUtil ist ein wrapper zu Lesen Schlüsselbund. Eine ähnliche Schlüsselanhänger-util gefunden in github.

// IDManager.m


/*
 A replacement for deprecated uniqueIdentifier API. Apple restrict using this from 1st May, 2013.

 We have to consider,
    * iOS <6 have not the ASIIdentifer API
    * When the user upgrade from iOS < 6 to >6
        - Check if there is a UUID already stored in keychain. Then use that. 
            - In that case, this UUID is constant for whole device lifetime. Keychain item is not deleted with application deletion.
 */

#import "IDManager.h"
#import "KeychainUtils.h"
#import "CommonUtil.h"

#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 60000
    #import <AdSupport/AdSupport.h>
#endif

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



/*  Apple confirmed this bug in their system in response to a Technical Support Incident request. They said that identifierForVendor and advertisingIdentifier sometimes returning all zeros can be seen both in development builds and apps downloaded over the air from the App Store. They have no work around and can't say when the problem will be fixed. */
#define kBuggyASIID             @"00000000-0000-0000-0000-000000000000"


#pragma mark 


#pragma mark 

@implementation IDManager

+ (NSString *) getUniqueID {

#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 60000

    if (NSClassFromString(@"ASIdentifierManager")) {
        NSString * asiID = [[[ASIdentifierManager sharedManager] advertisingIdentifier] UUIDString];
        if ([asiID compare:kBuggyASIID] == NSOrderedSame) {
            NSLog(@"Error: This device return buggy advertisingIdentifier.");
            return [IDManager getUniqueUUID];
        } else {
            return asiID;
        }

    } else {

#endif

        return [IDManager getUniqueUUID];

#if __IPHONE_OS_VERSION_MAX_ALLOWED >= 60000
    }
#endif

}

+ (NSString *) getUniqueUUID 
{
    NSError * error;
    NSString * uuid = [KeychainUtils getPasswordForUsername:@"UserName" andServiceName:@"YourServiceName" error:&error];
    if (error) {
        NSLog(@"Error geting unique UUID for this device! %@", [error localizedDescription]);
        return nil;
    }
    if (!uuid) {
        DLog(@"No UUID found. Creating a new one.");
        uuid = [IDManager getUUID];
        uuid = [CommonUtil md5String:uuid]; //create md5 hash for security reason
        [KeychainUtils storeUsername:@"UserName" andPassword:uuid forServiceName:@"YourServiceName" updateExisting:YES error:&error];
        if (error) {
            NSLog(@"Error geting unique UUID for this device! %@", [error localizedDescription]);
            return nil;
        }
    }
    return uuid;
}

+ (NSString *) readUUIDFromKeyChain {
    NSError * error;
    NSString * uuid = [KeychainUtils getPasswordForUsername:@"UserName" andServiceName:@"YourServiceName" error:&error];
    if (error) {
        NSLog(@"Error geting unique UUID for this device! %@", [error localizedDescription]);
        return nil;
    }
    return uuid;
}

/* NSUUID is after iOS 6. So we are using CFUUID for compatibility with iOS 4.3 */
+ (NSString *)getUUID
{
    CFUUIDRef theUUID = CFUUIDCreate(NULL);
    CFStringRef string = CFUUIDCreateString(NULL, theUUID);
    CFRelease(theUUID);
    return [(NSString *)string autorelease];
}

#pragma mark - MAC address

/* THIS WILL NOT WORK IN iOS 7. IT WILL RETURN A CONSTANT MAC ADDRESS ALL THE TIME.
 SEE - https://developer.apple.com/news/?id=8222013a
 */

//Return the local MAC address
//Courtesy of FreeBSD hackers email list
//Last fallback for unique identifier
+ (NSString *) getMACAddress
{
    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("Error: Memory allocation error\n");
        return NULL;
    }

    if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
        printf("Error: sysctl, take 2\n");
        free(buf); //Thanks, Remy "Psy" Demerest
        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);
    return outstring;
}

+ (NSString *) getHashedMACAddress
{
    NSString * mac = [IDManager getMACAddress];
    return [CommonUtil md5String:mac];
}

@end

InformationsquelleAutor karim

Haben Sie einen Blick auf NSSelectorFromString und [NSObject performSelector:SEL]. NSSelectorFromString können Sie wählen ein Selektor, der die durch-Laufzeit mit einer Zeichenfolge. Verwenden Sie es in Kombination mit einer OS-version überprüfen zur Laufzeit.

InformationsquelleAutor miho