是否有方法确定正在运行应用程序的设备。如果可能的话，我想区分iPhone和iPod Touch。
当前回答
if([UIDevice currentDevice].userInterfaceIdiom==UIUserInterfaceIdiomPad) {
//Device is ipad
}else{
//Device is iphone
}
其他回答
为了简单的比较，我总是喜欢宏观:
#define IS_IPOD [[UIDevice currentDevice].model containsString:@"iPod"]
#define IS_IPAD (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
#define IS_IPHONE (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPhone)
它简单易用。
最新更新- 2021年12月:增加iPhone 13, iPhone 13 mini, iPhone 13 Pro, iPhone 13 Pro Max, iPad(第9代)，iPad Pro 11"(第三代)，iPad Pro 12,9"(第5代)，iPad mini(第6代)苹果手表系列7,iMac 24" (M1, 2021)， Mac mini (M1, 2020)， MacBook Air (M1, 2020)， MacBook Pro 13" (M1, 2020)， MacBook Pro 14" (M1 Pro/Max, 2021)， MacBook Pro 16" (M1 Pro/Max, 2021)
删除了不支持iOS 10的设备(由于字符限制)
斯威夫特
(在Swift 5、Swift 4、Swift 3上测试)
下面的函数返回一个包含当前设备名称的字符串。
func userDeviceName() -> String {
let platform: String = {
var size = 0
sysctlbyname("hw.machine", nil, &size, nil, 0)
var machine = [CChar](repeating: 0, count: Int(size))
sysctlbyname("hw.machine", &machine, &size, nil, 0)
return String(cString: machine)
}()
return [
// iPhone
"iPhone5,1": "iPhone 5 (GSM)",
"iPhone5,2": "iPhone 5 (GSM+CDMA)",
"iPhone5,3": "iPhone 5c (GSM)",
"iPhone5,4": "iPhone 5c (GSM+CDMA)",
"iPhone6,1": "iPhone 5s (GSM)",
"iPhone6,2": "iPhone 5s (GSM+CDMA)",
"iPhone7,2": "iPhone 6",
"iPhone7,1": "iPhone 6 Plus",
"iPhone8,1": "iPhone 6s",
"iPhone8,2": "iPhone 6s Plus",
"iPhone8,4": "iPhone SE",
"iPhone9,1": "iPhone 7 (GSM+CDMA)",
"iPhone9,3": "iPhone 7 (GSM)",
"iPhone9,2": "iPhone 7 Plus (GSM+CDMA)",
"iPhone9,4": "iPhone 7 Plus (GSM)",
"iPhone10,1": "iPhone 8 (GSM+CDMA)",
"iPhone10,4": "iPhone 8 (GSM)",
"iPhone10,2": "iPhone 8 Plus (GSM+CDMA)",
"iPhone10,5": "iPhone 8 Plus (GSM)",
"iPhone10,3": "iPhone X (GSM+CDMA)",
"iPhone10,6": "iPhone X (GSM)",
"iPhone11,2": "iPhone XS",
"iPhone11,6": "iPhone XS Max",
"iPhone11,8": "iPhone XR",
"iPhone12,1": "iPhone 11",
"iPhone12,3": "iPhone 11 Pro",
"iPhone12,5": "iPhone 11 Pro Max",
"iPhone12,8": "iPhone SE (2nd generation)",
"iPhone13,1": "iPhone 12 mini",
"iPhone13,2": "iPhone 12",
"iPhone13,3": "iPhone 12 Pro",
"iPhone13,4": "iPhone 12 Pro Max",
"iPhone14,4": "iPhone 12 mini",
"iPhone14,5": "iPhone 12",
"iPhone14,2": "iPhone 12 Pro",
"iPhone14,3": "iPhone 12 Pro Max",
// iPod touch
"iPod7,1": "iPod Touch (6th generation)",
"iPod9,1": "iPod Touch (7th generation) (2019)",
// iPad
"iPad3,4": "iPad (4th generation) (Wi-Fi)",
"iPad3,5": "iPad (4th generation) (GSM)",
"iPad3,6": "iPad (4th generation) (GSM+CDMA)",
"iPad6,11": "iPad (5th generation) (Wi-Fi)",
"iPad6,12": "iPad (5th generation) (Cellular)",
"iPad7,5": "iPad (6th generation) (2018) (Wi-Fi)",
"iPad7,6": "iPad (6th generation) (2018) (Cellular)",
"iPad7,11": "iPad (7th generation) (2019) (Wi-Fi)",
"iPad7,12": "iPad (7th generation) (2019) (Cellular)",
"iPad11,6": "iPad (8th generation) (2020) (Wi-Fi)",
"iPad11,7": "iPad (8th generation) (2020) (Cellular)",
"iPad12,1": "iPad (9th generation) (2021) (Wi-Fi)",
"iPad12,2": "iPad (9th generation) (2021) (Cellular)",
// iPad Air
"iPad4,1": "iPad Air (Wi-Fi)",
"iPad4,2": "iPad Air (Cellular)",
"iPad4,3": "iPad Air (China)",
"iPad5,3": "iPad Air 2 (Wi-Fi)",
"iPad5,4": "iPad Air 2 (Cellular)",
"iPad11,3": "iPad Air (3rd generation) (2019) (Wi-Fi)",
"iPad11,4": "iPad Air (3rd generation) (2019) (Cellular)",
"iPad13,1": "iPad Air (4th generation) (2020) (Wi-Fi)",
"iPad13,2": "iPad Air (4th generation) (2020) (Cellular)",
// iPad Pro
"iPad6,3": "iPad Pro 9.7\" (Wi-Fi)",
"iPad6,4": "iPad Pro 9.7\" (Cellular)",
"iPad6,7": "iPad Pro 12.9\" (Wi-Fi)",
"iPad6,8": "iPad Pro 12.9\" (Cellular)",
"iPad7,1": "iPad Pro 12.9\" (2nd generation) (Wi-Fi)",
"iPad7,2": "iPad Pro 12.9\" (2nd generation) (Cellular)",
"iPad7,3": "iPad Pro 10.5\" (Wi-Fi)",
"iPad7,4": "iPad Pro 10.5\" (Cellular)",
"iPad8,1": "iPad Pro 11\" (2018) (Wi-Fi)",
"iPad8,2": "iPad Pro 11\" (2018) (Wi-Fi, 1TB)",
"iPad8,3": "iPad Pro 11\" (2018) (Cellular)",
"iPad8,4": "iPad Pro 11\" (2018) (Cellular 1TB)",
"iPad8,5": "iPad Pro 12.9\" (3rd generation) (2018) (Wi-Fi)",
"iPad8,6": "iPad Pro 12.9\" (3rd generation) (2018) (Wi-Fi, 1TB)",
"iPad8,7": "iPad Pro 12.9\" (3rd generation) (2018) (Cellular)",
"iPad8,8": "iPad Pro 12.9\" (3rd generation) (2018) (Cellular, 1TB)",
"iPad8,9": "iPad Pro 11\" (2nd generation) (2020) (Wi-Fi)",
"iPad8,10": "iPad Pro 11\" (2nd generation) (2020) (Cellular)",
"iPad8,11": "iPad Pro 12.9\" (4th generation) (2020) (Wi-Fi)",
"iPad8,12": "iPad Pro 12.9\" (4th generation) (2020) (Cellular)",
"iPad13,4": "iPad Pro 11\" (3nd generation) (2021) (Wi-Fi)",
"iPad13,5": "iPad Pro 11\" (3nd generation) (2021) (Cellular US)",
"iPad13,6": "iPad Pro 11\" (3nd generation) (2021) (Cellular Global)",
"iPad13,7": "iPad Pro 11\" (3nd generation) (2021) (Cellular China)",
"iPad13,8": "iPad Pro 12.9\" (5th generation) (2021) (Wi-Fi)",
"iPad13,9": "iPad Pro 12.9\" (5th generation) (2021) (Cellular US)",
"iPad13,10": "iPad Pro 12.9\" (5th generation) (2021) (Cellular Global)",
"iPad13,11": "iPad Pro 12.9\" (5th generation) (2021) (Cellular China)",
// iPad mini
"iPad4,4": "iPad mini 2 (Wi-Fi)",
"iPad4,5": "iPad mini 2 (Cellular)",
"iPad4,6": "iPad mini 2 (China)",
"iPad4,7": "iPad mini 3 (Wi-Fi)",
"iPad4,8": "iPad mini 3 (Cellular)",
"iPad4,9": "iPad mini 3 (China)",
"iPad5,1": "iPad mini 4 (Wi-Fi)",
"iPad5,2": "iPad mini 4 (Cellular)",
"iPad11,1": "iPad mini (5th generation) (2019) (Wi-Fi)",
"iPad11,2": "iPad mini (5th generation) (2019) (Cellular)",
"iPad14,1": "iPad mini (6th generation) (2021) (Wi-Fi)",
"iPad14,2": "iPad mini (6th generation) (2021) (Cellular)",
// Apple TV
"AppleTV2,1": "Apple TV 2G",
"AppleTV3,1": "Apple TV 3",
"AppleTV3,2": "Apple TV 3 (2013)",
"AppleTV5,3": "Apple TV 4",
"AppleTV6,2": "Apple TV 4K",
"AppleTV11,1": "Apple TV 4K (2nd generation)",
// Apple Watch
"Watch1,1": "Apple Watch (1st generation) (38mm)",
"Watch1,2": "Apple Watch (1st generation) (42mm)",
"Watch2,6": "Apple Watch Series 1 (38mm)",
"Watch2,7": "Apple Watch Series 1 (42mm)",
"Watch2,3": "Apple Watch Series 2 (38mm)",
"Watch2,4": "Apple Watch Series 2 (42mm)",
"Watch3,1": "Apple Watch Series 3 (38mm Cellular)",
"Watch3,2": "Apple Watch Series 3 (42mm Cellular)",
"Watch3,3": "Apple Watch Series 3 (38mm)",
"Watch3,4": "Apple Watch Series 3 (42mm)",
"Watch4,1": "Apple Watch Series 4 (40mm)",
"Watch4,2": "Apple Watch Series 4 (44mm)",
"Watch4,3": "Apple Watch Series 4 (40mm Cellular)",
"Watch4,4": "Apple Watch Series 4 (44mm Cellular)",
"Watch5,1": "Apple Watch Series 5 (40mm)",
"Watch5,2": "Apple Watch Series 5 (44mm)",
"Watch5,3": "Apple Watch Series 5 (40mm Cellular)",
"Watch5,4": "Apple Watch Series 5 (44mm Cellular)",
"Watch6,1": "Apple Watch Series 6 (40mm)",
"Watch6,2": "Apple Watch Series 6 (44mm)",
"Watch6,3": "Apple Watch Series 6 (40mm Cellular)",
"Watch6,4": "Apple Watch Series 6 (44mm Cellular)",
"Watch5,9": "Apple Watch SE (40mm)",
"Watch5,10": "Apple Watch SE (44mm)",
"Watch5,11": "Apple Watch SE (40mm Cellular)",
"Watch5,12": "Apple Watch SE (44mm Cellular)",
"Watch6,6": "Apple Watch Series 7 (41mm)",
"Watch6,7": "Apple Watch Series 7 (45mm)",
"Watch6,8": "Apple Watch Series 7 (41mm Cellular)",
"Watch6,9": "Apple Watch Series 7 (45mm Cellular)",
// iMac
"iMac21,1": "iMac 24\" (M1, 2021)",
"iMac21,2": "iMac 24\" (M1, 2021)",
// Mac mini
"Macmini9,1": "Mac mini (M1, 2020)",
// MacBook Air
"MacBookAir10,1": "MacBook Air (M1, Late 2020)",
// MacBook Pro
"MacBookPro17,1": "MacBook Pro 13\" (M1, 2020)",
"MacBookPro18,3": "MacBook Pro 14\" (M1 Pro, 2021)",
"MacBookPro18,4": "MacBook Pro 14\" (M1 Max, 2021)",
"MacBookPro18,1": "MacBook Pro 16\" (M1 Pro, 2021)",
"MacBookPro18,2": "MacBook Pro 16\" (M1 Max, 2021)",
// Simulator
"i386": "Simulator",
"x86_64": "Simulator",
]
return deviceMap[platform]
}
你可以使用下面的代码来测试它:
print("Current device is: ", self.userDeviceName())
objective - c
我还在Objective-C代码中添加了新的设备
不要忘记导入sys/sysctl.h
#import <sys/sysctl.h>
- (NSString *) userDeviceName {
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];
free(machine);
NSDictionary *deviceMap = @{
// iPhone
@"iPhone5,1": @"iPhone 5 (GSM)",
@"iPhone5,2": @"iPhone 5 (GSM+CDMA)",
@"iPhone5,3": @"iPhone 5c (GSM)",
@"iPhone5,4": @"iPhone 5c (GSM+CDMA)",
@"iPhone6,1": @"iPhone 5s (GSM)",
@"iPhone6,2": @"iPhone 5s (GSM+CDMA)",
@"iPhone7,2": @"iPhone 6",
@"iPhone7,1": @"iPhone 6 Plus",
@"iPhone8,1": @"iPhone 6s",
@"iPhone8,2": @"iPhone 6s Plus",
@"iPhone8,4": @"iPhone SE",
@"iPhone9,1": @"iPhone 7 (GSM+CDMA)",
@"iPhone9,3": @"iPhone 7 (GSM)",
@"iPhone9,2": @"iPhone 7 Plus (GSM+CDMA)",
@"iPhone9,4": @"iPhone 7 Plus (GSM)",
@"iPhone10,1": @"iPhone 8 (GSM+CDMA)",
@"iPhone10,4": @"iPhone 8 (GSM)",
@"iPhone10,2": @"iPhone 8 Plus (GSM+CDMA)",
@"iPhone10,5": @"iPhone 8 Plus (GSM)",
@"iPhone10,3": @"iPhone X (GSM+CDMA)",
@"iPhone10,6": @"iPhone X (GSM)",
@"iPhone11,2": @"iPhone XS",
@"iPhone11,6": @"iPhone XS Max",
@"iPhone11,8": @"iPhone XR",
@"iPhone12,1": @"iPhone 11",
@"iPhone12,3": @"iPhone 11 Pro",
@"iPhone12,5": @"iPhone 11 Pro Max",
@"iPhone12,8": @"iPhone SE (2nd generation)",
@"iPhone13,1": @"iPhone 12 mini",
@"iPhone13,2": @"iPhone 12",
@"iPhone13,3": @"iPhone 12 Pro",
@"iPhone13,4": @"iPhone 12 Pro Max",
@"iPhone14,4": @"iPhone 12 mini",
@"iPhone14,5": @"iPhone 12",
@"iPhone14,2": @"iPhone 12 Pro",
@"iPhone14,3": @"iPhone 12 Pro Max",
// iPod touch
@"iPod7,1": @"iPod Touch (6th generation)",
@"iPod9,1": @"iPod Touch (7th generation) (2019)",
// iPad
@"iPad3,4": @"iPad (4th generation) (Wi-Fi)",
@"iPad3,5": @"iPad (4th generation) (GSM)",
@"iPad3,6": @"iPad (4th generation) (GSM+CDMA)",
@"iPad6,11": @"iPad (5th generation) (Wi-Fi)",
@"iPad6,12": @"iPad (5th generation) (Cellular)",
@"iPad7,5": @"iPad (6th generation) (2018) (Wi-Fi)",
@"iPad7,6": @"iPad (6th generation) (2018) (Cellular)",
@"iPad7,11": @"iPad (7th generation) (2019) (Wi-Fi)",
@"iPad7,12": @"iPad (7th generation) (2019) (Cellular)",
@"iPad11,6": @"iPad (8th generation) (2020) (Wi-Fi)",
@"iPad11,7": @"iPad (8th generation) (2020) (Cellular)",
@"iPad12,1": @"iPad (9th generation) (2021) (Wi-Fi)",
@"iPad12,2": @"iPad (9th generation) (2021) (Cellular)",
// iPad Air
@"iPad4,1": @"iPad Air (Wi-Fi)",
@"iPad4,2": @"iPad Air (Cellular)",
@"iPad4,3": @"iPad Air (China)",
@"iPad5,3": @"iPad Air 2 (Wi-Fi)",
@"iPad5,4": @"iPad Air 2 (Cellular)",
@"iPad11,3": @"iPad Air (3rd generation) (2019) (Wi-Fi)",
@"iPad11,4": @"iPad Air (3rd generation) (2019) (Cellular)",
@"iPad13,1": @"iPad Air (4th generation) (2020) (Wi-Fi)",
@"iPad13,2": @"iPad Air (4th generation) (2020) (Cellular)",
// iPad Pro
@"iPad6,3": @"iPad Pro 9.7\" (Wi-Fi)",
@"iPad6,4": @"iPad Pro 9.7\" (Cellular)",
@"iPad6,7": @"iPad Pro 12.9\" (Wi-Fi)",
@"iPad6,8": @"iPad Pro 12.9\" (Cellular)",
@"iPad7,1": @"iPad Pro 12.9\" (2nd generation) (Wi-Fi)",
@"iPad7,2": @"iPad Pro 12.9\" (2nd generation) (Cellular)",
@"iPad7,3": @"iPad Pro 10.5\" (Wi-Fi)",
@"iPad7,4": @"iPad Pro 10.5\" (Cellular)",
@"iPad8,1": @"iPad Pro 11\" (2018) (Wi-Fi)",
@"iPad8,2": @"iPad Pro 11\" (2018) (Wi-Fi, 1TB)",
@"iPad8,3": @"iPad Pro 11\" (2018) (Cellular)",
@"iPad8,4": @"iPad Pro 11\" (2018) (Cellular 1TB)",
@"iPad8,5": @"iPad Pro 12.9\" (3rd generation) (2018) (Wi-Fi)",
@"iPad8,6": @"iPad Pro 12.9\" (3rd generation) (2018) (Wi-Fi, 1TB)",
@"iPad8,7": @"iPad Pro 12.9\" (3rd generation) (2018) (Cellular)",
@"iPad8,8": @"iPad Pro 12.9\" (3rd generation) (2018) (Cellular, 1TB)",
@"iPad8,9": @"iPad Pro 11\" (2nd generation) (2020) (Wi-Fi)",
@"iPad8,10": @"iPad Pro 11\" (2nd generation) (2020) (Cellular)",
@"iPad8,11": @"iPad Pro 12.9\" (4th generation) (2020) (Wi-Fi)",
@"iPad8,12": @"iPad Pro 12.9\" (4th generation) (2020) (Cellular)",
@"iPad13,4": @"iPad Pro 11\" (3nd generation) (2021) (Wi-Fi)",
@"iPad13,5": @"iPad Pro 11\" (3nd generation) (2021) (Cellular US)",
@"iPad13,6": @"iPad Pro 11\" (3nd generation) (2021) (Cellular Global)",
@"iPad13,7": @"iPad Pro 11\" (3nd generation) (2021) (Cellular China)",
@"iPad13,8": @"iPad Pro 12.9\" (5th generation) (2021) (Wi-Fi)",
@"iPad13,9": @"iPad Pro 12.9\" (5th generation) (2021) (Cellular US)",
@"iPad13,10": @"iPad Pro 12.9\" (5th generation) (2021) (Cellular Global)",
@"iPad13,11": @"iPad Pro 12.9\" (5th generation) (2021) (Cellular China)",
// iPad mini
@"iPad4,4": @"iPad mini 2 (Wi-Fi)",
@"iPad4,5": @"iPad mini 2 (Cellular)",
@"iPad4,6": @"iPad mini 2 (China)",
@"iPad4,7": @"iPad mini 3 (Wi-Fi)",
@"iPad4,8": @"iPad mini 3 (Cellular)",
@"iPad4,9": @"iPad mini 3 (China)",
@"iPad5,1": @"iPad mini 4 (Wi-Fi)",
@"iPad5,2": @"iPad mini 4 (Cellular)",
@"iPad11,1": @"iPad mini (5th generation) (2019) (Wi-Fi)",
@"iPad11,2": @"iPad mini (5th generation) (2019) (Cellular)",
@"iPad14,1": @"iPad mini (6th generation) (2021) (Wi-Fi)",
@"iPad14,2": @"iPad mini (6th generation) (2021) (Cellular)",
// Apple TV
@"AppleTV2,1": @"Apple TV 2G",
@"AppleTV3,1": @"Apple TV 3",
@"AppleTV3,2": @"Apple TV 3 (2013)",
@"AppleTV5,3": @"Apple TV 4",
@"AppleTV6,2": @"Apple TV 4K",
@"AppleTV11,1": @"Apple TV 4K (2nd generation)",
// Apple Watch
@"Watch1,1": @"Apple Watch (1st generation) (38mm)",
@"Watch1,2": @"Apple Watch (1st generation) (42mm)",
@"Watch2,6": @"Apple Watch Series 1 (38mm)",
@"Watch2,7": @"Apple Watch Series 1 (42mm)",
@"Watch2,3": @"Apple Watch Series 2 (38mm)",
@"Watch2,4": @"Apple Watch Series 2 (42mm)",
@"Watch3,1": @"Apple Watch Series 3 (38mm Cellular)",
@"Watch3,2": @"Apple Watch Series 3 (42mm Cellular)",
@"Watch3,3": @"Apple Watch Series 3 (38mm)",
@"Watch3,4": @"Apple Watch Series 3 (42mm)",
@"Watch4,1": @"Apple Watch Series 4 (40mm)",
@"Watch4,2": @"Apple Watch Series 4 (44mm)",
@"Watch4,3": @"Apple Watch Series 4 (40mm Cellular)",
@"Watch4,4": @"Apple Watch Series 4 (44mm Cellular)",
@"Watch5,1": @"Apple Watch Series 5 (40mm)",
@"Watch5,2": @"Apple Watch Series 5 (44mm)",
@"Watch5,3": @"Apple Watch Series 5 (40mm Cellular)",
@"Watch5,4": @"Apple Watch Series 5 (44mm Cellular)",
@"Watch6,1": @"Apple Watch Series 6 (40mm)",
@"Watch6,2": @"Apple Watch Series 6 (44mm)",
@"Watch6,3": @"Apple Watch Series 6 (40mm Cellular)",
@"Watch6,4": @"Apple Watch Series 6 (44mm Cellular)",
@"Watch5,9": @"Apple Watch SE (40mm)",
@"Watch5,10": @"Apple Watch SE (44mm)",
@"Watch5,11": @"Apple Watch SE (40mm Cellular)",
@"Watch5,12": @"Apple Watch SE (44mm Cellular)",
@"Watch6,6": @"Apple Watch Series 7 (41mm)",
@"Watch6,7": @"Apple Watch Series 7 (45mm)",
@"Watch6,8": @"Apple Watch Series 7 (41mm Cellular)",
@"Watch6,9": @"Apple Watch Series 7 (45mm Cellular)",
// iMac
@"iMac21,1": @"iMac 24\" (M1, 2021)",
@"iMac21,2": @"iMac 24\" (M1, 2021)",
// Mac mini
@"Macmini9,1": @"Mac mini (M1, 2020)",
// MacBook Air
@"MacBookAir10,1": @"MacBook Air (M1, Late 2020)",
// MacBook Pro
@"MacBookPro17,1": @"MacBook Pro 13\" (M1, 2020)",
@"MacBookPro18,3": @"MacBook Pro 14\" (M1 Pro, 2021)",
@"MacBookPro18,4": @"MacBook Pro 14\" (M1 Max, 2021)",
@"MacBookPro18,1": @"MacBook Pro 16\" (M1 Pro, 2021)",
@"MacBookPro18,2": @"MacBook Pro 16\" (M1 Max, 2021)",
// Simulator
@"i386": @"Simulator",
@"x86_64": @"Simulator",
}
return deviceMap[platform];
}
你可以使用下面的代码来测试它:
NSLog(@"Current device is: %@", [self userDeviceName]);
只是将iPhone 4S设备代码添加到这个线程…
iPhone 4S将返回字符串@"iPhone4,1"。
我已经创建了一个扩展，让你有3个级别的识别:
设备类型 按英寸划分iPhone/iPad的类型 设备型号
它会随着最新的iOS设备进行更新
UIDeviceDetector
我进一步将大的“isEqualToString”块转换为设备类型、生成和逗号后的其他限定符(我称之为子生成)的位掩码分类。它被包装在一个类中，带有一个单例调用SGPlatform，避免了大量重复的字符串操作。代码可用https://github.com/danloughney/spookyGroup
这个类允许你做这样的事情:
if ([SGPlatform iPad] && [SGPlatform generation] > 3) {
// set for high performance
}
and
switch ([SGPlatform deviceMask]) {
case DEVICE_IPHONE:
break;
case DEVICE_IPAD:
break;
case DEVICE_IPAD_MINI:
break;
}
设备的分类在platformBits方法中。这个方法对于本文的读者来说应该非常熟悉。我根据设备的类型和年代对其进行了分类，因为我最感兴趣的是整体性能，但源代码可以调整以提供您感兴趣的任何分类，如视网膜屏幕、网络功能等。
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