Check device type and etc (ios)

Check device type and etc (ios)

#include <sys/sysctl.h>

- (NSString *)platform
{
    int mib[2];
    size_t len;
    char *machine;
    
    mib[0] = CTL_HW;
    mib[1] = HW_MACHINE;
    sysctl(mib, 2, NULL, &len, NULL, 0);
    machine = malloc(len);
    sysctl(mib, 2, machine, &len, NULL, 0);
    
    NSString *platform = [NSString stringWithCString:machine encoding:NSASCIIStringEncoding];
    free(machine);
    return platform;
}

// http://theiphonewiki.com/wiki/Models
- (NSString *)platformString
{
    NSString *platform = [self platform];
    
    if ([platform isEqualToString:@"iPhone1,1"]) return @"iPhone 1G";
    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:@"iPhone3,3"]) return @"Verizon iPhone 4";
    if ([platform isEqualToString:@"iPhone4,1"]) return @"iPhone 4S";
    if ([platform isEqualToString:@"iPhone5,1"]) return @"iPhone 5 (GSM)";
    if ([platform isEqualToString:@"iPhone5,2"]) return @"iPhone 5 (GSM+CDMA)";
    if ([platform isEqualToString:@"iPhone5,3"]) return @"iPhone 5c (GSM)";
    if ([platform isEqualToString:@"iPhone5,4"]) return @"iPhone 5c (Global)";
    if ([platform isEqualToString:@"iPhone6,1"]) return @"iPhone 5s (GSM)";
    if ([platform isEqualToString:@"iPhone6,2"]) return @"iPhone 5s (Global)";
    if ([platform isEqualToString:@"iPhone7,1"]) return @"iPhone 6 Plus (Global)";
    if ([platform isEqualToString:@"iPhone7,2"]) return @"iPhone 6 (Global)";
    
    
    if ([platform isEqualToString:@"iPod1,1"]) return @"iPod Touch 1G";
    if ([platform isEqualToString:@"iPod2,1"]) return @"iPod Touch 2G";
    if ([platform isEqualToString:@"iPod3,1"]) return @"iPod Touch 3G";
    if ([platform isEqualToString:@"iPod4,1"]) return @"iPod Touch 4G";
    if ([platform isEqualToString:@"iPod5,1"]) return @"iPod Touch 5G";
    
    if ([platform isEqualToString:@"iPad1,1"]) return @"iPad";
    if ([platform isEqualToString:@"iPad2,1"]) return @"iPad 2 (WiFi)";
    if ([platform isEqualToString:@"iPad2,2"]) return @"iPad 2 (GSM)";
    if ([platform isEqualToString:@"iPad2,3"]) return @"iPad 2 (CDMA)";
    if ([platform isEqualToString:@"iPad2,4"]) return @"iPad 2";
    if ([platform isEqualToString:@"iPad3,1"]) return @"iPad-3G (WiFi)";
    if ([platform isEqualToString:@"iPad3,2"]) return @"iPad-3G (4G)";
    if ([platform isEqualToString:@"iPad3,3"]) return @"iPad-3G (4G)";
    if ([platform isEqualToString:@"iPad3,4"]) return @"iPad-4G (WiFi)";
    if ([platform isEqualToString:@"iPad3,5"]) return @"iPad-4G (GSM)";
    if ([platform isEqualToString:@"iPad3,6"]) return @"iPad-4G (GSM+CDMA)";
    if ([platform isEqualToString:@"iPad4,1"]) return @"iPad Air (WiFi)";
    if ([platform isEqualToString:@"iPad4,2"]) return @"iPad Air (Cellular)";
    if ([platform isEqualToString:@"iPad5,3"]) return @"iPad Air-2G (WiFi)";
    if ([platform isEqualToString:@"iPad5,4"]) return @"iPad Air-2G (LTE)";
    
    if ([platform isEqualToString:@"iPad2,5"]) return @"iPad mini-1G (WiFi)";
    if ([platform isEqualToString:@"iPad2,6"]) return @"iPad mini-1G (GSM)";
    if ([platform isEqualToString:@"iPad2,7"]) return @"iPad mini-1G (GSM+CDMA)";
    if ([platform isEqualToString:@"iPad4,4"]) return @"iPad mini-2G (WiFi)";
    if ([platform isEqualToString:@"iPad4,5"]) return @"iPad mini-2G (Cellular)";
    if ([platform isEqualToString:@"iPad4,7"]) return @"iPad mini-3G (WiFi)";
    if ([platform isEqualToString:@"iPad4,8"]) return @"iPad mini-3G (LTE)";
    if ([platform isEqualToString:@"iPad4,9"]) return @"iPad mini-3G (LTE,China)";
    
    if ([platform isEqualToString:@"i386"]) return @"Simulator";
    if ([platform isEqualToString:@"x86_64"]) return @"Simulator";
    
    return platform;
}

- (NSString *)systemVersion
{
    return [UIDevice currentDevice].systemVersion;
}

- (NSString *)appName
{
    return [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleDisplayName"];
}

- (NSString *)appVersion
{
    return [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"];
}

- (NSString *)appBuild
{
    return [[NSBundle mainBundle] objectForInfoDictionaryKey:(NSString *)kCFBundleVersionKey];
}