Method to find in which device our app is running

– (NSString *) platformString {
    // Gets a string with the device model
    size_t size;
    sysctlbyname(“hw.machine”, NULL, &size, NULL, 0);
    char *machine = malloc(size);
    sysctlbyname(“hw.machine”, machine, &size, NULL, 0);
    NSString *platform = [NSString stringWithCString:machine encoding:NSUTF8StringEncoding];
    if ([platform isEqualToString:@”iPhone1,1″])    return @”iPhone 2G”;
    if ([platform isEqualToString:@”iPhone1,2″])    return @”iPhone 3G”;
    if ([platform isEqualToString:@”iPhone2,1″])    return @”iPhone 3GS”;
    if ([platform isEqualToString:@”iPhone3,1″])    return @”iPhone 4″;
    if ([platform isEqualToString:@”iPhone3,2″])    return @”iPhone 4″;
    if ([platform isEqualToString:@”iPhone3,3″])    return @”iPhone 4 (CDMA)”;
    if ([platform isEqualToString:@”iPhone4,1″])    return @”iPhone 4S”;
    if ([platform isEqualToString:@”iPhone5,1″])    return @”iPhone 5″;
    if ([platform isEqualToString:@”iPhone5,2″])    return @”iPhone 5 (GSM+CDMA)”;
    if ([platform isEqualToString:@”iPod1,1″])      return @”iPod Touch (1 Gen)”;
    if ([platform isEqualToString:@”iPod2,1″])      return @”iPod Touch (2 Gen)”;
    if ([platform isEqualToString:@”iPod3,1″])      return @”iPod Touch (3 Gen)”;
    if ([platform isEqualToString:@”iPod4,1″])      return @”iPod Touch (4 Gen)”;
    if ([platform isEqualToString:@”iPod5,1″])      return @”iPod Touch (5 Gen)”;
    if ([platform isEqualToString:@”iPad1,1″])      return @”iPad”;
    if ([platform isEqualToString:@”iPad1,2″])      return @”iPad 3G”;
    if ([platform isEqualToString:@”iPad2,1″])      return @”iPad 2 (WiFi)”;
    if ([platform isEqualToString:@”iPad2,2″])      return @”iPad 2″;
    if ([platform isEqualToString:@”iPad2,3″])      return @”iPad 2 (CDMA)”;
    if ([platform isEqualToString:@”iPad2,4″])      return @”iPad 2″;
    if ([platform isEqualToString:@”iPad2,5″])      return @”iPad Mini (WiFi)”;
    if ([platform isEqualToString:@”iPad2,6″])      return @”iPad Mini”;
    if ([platform isEqualToString:@”iPad2,7″])      return @”iPad Mini (GSM+CDMA)”;
    if ([platform isEqualToString:@”iPad3,1″])      return @”iPad 3 (WiFi)”;
    if ([platform isEqualToString:@”iPad3,2″])      return @”iPad 3 (GSM+CDMA)”;
    if ([platform isEqualToString:@”iPad3,3″])      return @”iPad 3″;
    if ([platform isEqualToString:@”iPad3,4″])      return @”iPad 4 (WiFi)”;
    if ([platform isEqualToString:@”iPad3,5″])      return @”iPad 4″;
    if ([platform isEqualToString:@”iPad3,6″])      return @”iPad 4 (GSM+CDMA)”;
    if ([platform isEqualToString:@”i386″])         return @”Simulator”;
    if ([platform isEqualToString:@”x86_64″])       return @”Simulator”;
    return platform;


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