iPhone 3Gと3GSやiPod touchの世代を判別する方法 - 24/7 twenty-four seven のソースコードを参考に、iPhone4 用に更新して、
必要なヘッダファイルを追加して、
deprecatedなメソッド（ NSString の stringWithCString メソッド）を修正した
だけのコードです。
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| #include <sys/sysctl.h> | |
| /* | |
| Return device model name. | |
| Possible values: | |
| "iPhone1,1" = iPhone 1G | |
| "iPhone1,2" = iPhone 3G | |
| "iPhone2,1" = iPhone 3GS | |
| "iPhone3,1" = iPhone 4 | |
| "iPhone3,3" = iPhone 4 (CDMA) | |
| "iPhone4,1" = iPhone 4S | |
| "iPhone5,1" = iPhone 5 | |
| "iPod1,1" = iPod touch 1G | |
| "iPod2,1" = iPod touch 2G | |
| "iPod3,1" = iPod touch 3G | |
| "iPod4,1" = iPod touch 4G | |
| "iPad1,1" = iPod | |
| "iPad2,1" = iPod 2 (WiFi) | |
| "iPad2,2" = iPod 2 (GSM) | |
| "iPad2,3" = iPod 2 (CDMAV) | |
| "iPad2,4" = iPod 2 (CDMAS) | |
| "iPad3,1" = iPod 3 | |
| "iPad3,2" = iPod 3 (GSM+CDMA) | |
| "iPad3,3" = iPod 3 (GSM) | |
| "AppleTV2,1" = Apple TV (2G) | |
| "AppleTV3,1" = Apple TV (3G) | |
| "i386" = Simulator | |
| "x86_64" = Simulator | |
| */ | |
| - (NSString *)machineName | |
| { | |
| size_t size; | |
| sysctlbyname("hw.machine", NULL, &size, NULL, 0); | |
| char *tmpMachine = malloc(size); | |
| sysctlbyname("hw.machine", tmpMachine, &size, NULL, 0); | |
| NSString *machine = [NSString stringWithCString:tmpMachine encoding: NSUTF8StringEncoding]; | |
| free(tmpMachine); | |
| return machine; | |
| } | |
| - (BOOL)isIphone4 | |
| { | |
| return [[self machineName] hasPrefix:@"iPhone3,"]; | |
| } |
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