有没有办法在Swift中获得设备型号名称(iPhone 4S, iPhone 5, iPhone 5S等)?
我知道有一个名为UIDevice.currentDevice()的属性。模型，但它只返回设备类型(iPod touch, iPhone, iPad, iPhone模拟器等)。
我也知道在Objective-C中使用以下方法可以轻松完成:
#import <sys/utsname.h>
struct utsname systemInfo;
uname(&systemInfo);
NSString* deviceModel = [NSString stringWithCString:systemInfo.machine
encoding:NSUTF8StringEncoding];
但是我正在Swift中开发我的iPhone应用程序，所以有人可以帮助我用等效的方法在Swift中解决这个问题吗?
当前回答
extension UIDevice {
public static let hardwareModel: String = {
var path = [CTL_HW, HW_MACHINE]
var n = 0
sysctl(&path, 2, nil, &n, nil, 0)
var a: [UInt8] = .init(repeating: 0, count: n)
sysctl(&path, 2, &a, &n, nil, 0)
return .init(cString: a)
}()
}
UIDevice.hardwareModel // → iPhone9,3
其他回答
使用Swift 3 (Xcode 8.3)
func deviceName() -> String {
var systemInfo = utsname()
uname(&systemInfo)
let str = withUnsafePointer(to: &systemInfo.machine.0) { ptr in
return String(cString: ptr)
}
return str
}
注意:根据官方开发论坛的回答，以这种方式使用元组是安全的。大Int8元组的内存对齐方式将与大Int8数组相同。即:连续且无填充。
斯威夫特5。X，设备和模拟器更新到2022年
(总是检查和更新!)
最后:iPhone 14所有版本，iPhone SE 2022年第三代，iPad Air第5代，iPhone 13(所有型号)，iPad第9代2021年，iPad mini第6代2021年，Apple Watch Series 7, iPad Pro(11英寸)(第三代)，iPad Pro(12.9英寸)(第5代)和Apple TV 4K(第二代)，(更新也适用于所有ipod, Apple Watch和Apple TV)
即使是模拟器，该方法也能检测出正确的模型。(在模拟器中运行的模拟器设备模型的确切名称)
有了这个答案，由于枚举，您可以在几行中检查多个设备
例子:
var myDefaultFontSize: CGFloat = 26.0
switch UIDevice().type {
case .iPhoneSE, .iPhone5, .iPhone5S: print("default value")
case .iPhone6, .iPhone7, .iPhone8, .iPhone6S, .iPhoneX: myDefaultFontSize += 4
default: break
}
这是代码:
public enum Model : String {
//Simulator
case simulator = "simulator/sandbox",
//iPod
iPod1 = "iPod 1",
iPod2 = "iPod 2",
iPod3 = "iPod 3",
iPod4 = "iPod 4",
iPod5 = "iPod 5",
iPod6 = "iPod 6",
iPod7 = "iPod 7",
//iPad
iPad2 = "iPad 2",
iPad3 = "iPad 3",
iPad4 = "iPad 4",
iPadAir = "iPad Air ",
iPadAir2 = "iPad Air 2",
iPadAir3 = "iPad Air 3",
iPadAir4 = "iPad Air 4",
iPadAir5 = "iPad Air 5",
iPad5 = "iPad 5", //iPad 2017
iPad6 = "iPad 6", //iPad 2018
iPad7 = "iPad 7", //iPad 2019
iPad8 = "iPad 8", //iPad 2020
iPad9 = "iPad 9", //iPad 2021
//iPad Mini
iPadMini = "iPad Mini",
iPadMini2 = "iPad Mini 2",
iPadMini3 = "iPad Mini 3",
iPadMini4 = "iPad Mini 4",
iPadMini5 = "iPad Mini 5",
iPadMini6 = "iPad Mini 6",
//iPad Pro
iPadPro9_7 = "iPad Pro 9.7\"",
iPadPro10_5 = "iPad Pro 10.5\"",
iPadPro11 = "iPad Pro 11\"",
iPadPro2_11 = "iPad Pro 11\" 2nd gen",
iPadPro3_11 = "iPad Pro 11\" 3rd gen",
iPadPro12_9 = "iPad Pro 12.9\"",
iPadPro2_12_9 = "iPad Pro 2 12.9\"",
iPadPro3_12_9 = "iPad Pro 3 12.9\"",
iPadPro4_12_9 = "iPad Pro 4 12.9\"",
iPadPro5_12_9 = "iPad Pro 5 12.9\"",
//iPhone
iPhone4 = "iPhone 4",
iPhone4S = "iPhone 4S",
iPhone5 = "iPhone 5",
iPhone5S = "iPhone 5S",
iPhone5C = "iPhone 5C",
iPhone6 = "iPhone 6",
iPhone6Plus = "iPhone 6 Plus",
iPhone6S = "iPhone 6S",
iPhone6SPlus = "iPhone 6S Plus",
iPhoneSE = "iPhone SE",
iPhone7 = "iPhone 7",
iPhone7Plus = "iPhone 7 Plus",
iPhone8 = "iPhone 8",
iPhone8Plus = "iPhone 8 Plus",
iPhoneX = "iPhone X",
iPhoneXS = "iPhone XS",
iPhoneXSMax = "iPhone XS Max",
iPhoneXR = "iPhone XR",
iPhone11 = "iPhone 11",
iPhone11Pro = "iPhone 11 Pro",
iPhone11ProMax = "iPhone 11 Pro Max",
iPhoneSE2 = "iPhone SE 2nd gen",
iPhone12Mini = "iPhone 12 Mini",
iPhone12 = "iPhone 12",
iPhone12Pro = "iPhone 12 Pro",
iPhone12ProMax = "iPhone 12 Pro Max",
iPhone13Mini = "iPhone 13 Mini",
iPhone13 = "iPhone 13",
iPhone13Pro = "iPhone 13 Pro",
iPhone13ProMax = "iPhone 13 Pro Max",
iPhoneSE3 = "iPhone SE 3nd gen",
iPhone14 = "iPhone 14",
iPhone14Plus = "iPhone 14 Plus",
iPhone14Pro = "iPhone 14 Pro",
iPhone14ProMax = "iPhone 14 Pro Max",
// Apple Watch
AppleWatch1 = "Apple Watch 1gen",
AppleWatchS1 = "Apple Watch Series 1",
AppleWatchS2 = "Apple Watch Series 2",
AppleWatchS3 = "Apple Watch Series 3",
AppleWatchS4 = "Apple Watch Series 4",
AppleWatchS5 = "Apple Watch Series 5",
AppleWatchSE = "Apple Watch Special Edition",
AppleWatchS6 = "Apple Watch Series 6",
AppleWatchS7 = "Apple Watch Series 7",
//Apple TV
AppleTV1 = "Apple TV 1gen",
AppleTV2 = "Apple TV 2gen",
AppleTV3 = "Apple TV 3gen",
AppleTV4 = "Apple TV 4gen",
AppleTV_4K = "Apple TV 4K",
AppleTV2_4K = "Apple TV 4K 2gen",
unrecognized = "?unrecognized?"
}
// #-#-#-#-#-#-#-#-#-#-#-#-#
// MARK: UIDevice extensions
// #-#-#-#-#-#-#-#-#-#-#-#-#
public extension UIDevice {
var type: Model {
var systemInfo = utsname()
uname(&systemInfo)
let modelCode = withUnsafePointer(to: &systemInfo.machine) {
$0.withMemoryRebound(to: CChar.self, capacity: 1) {
ptr in String.init(validatingUTF8: ptr)
}
}
let modelMap : [String: Model] = [
//Simulator
"i386" : .simulator,
"x86_64" : .simulator,
//iPod
"iPod1,1" : .iPod1,
"iPod2,1" : .iPod2,
"iPod3,1" : .iPod3,
"iPod4,1" : .iPod4,
"iPod5,1" : .iPod5,
"iPod7,1" : .iPod6,
"iPod9,1" : .iPod7,
//iPad
"iPad2,1" : .iPad2,
"iPad2,2" : .iPad2,
"iPad2,3" : .iPad2,
"iPad2,4" : .iPad2,
"iPad3,1" : .iPad3,
"iPad3,2" : .iPad3,
"iPad3,3" : .iPad3,
"iPad3,4" : .iPad4,
"iPad3,5" : .iPad4,
"iPad3,6" : .iPad4,
"iPad6,11" : .iPad5, //iPad 2017
"iPad6,12" : .iPad5,
"iPad7,5" : .iPad6, //iPad 2018
"iPad7,6" : .iPad6,
"iPad7,11" : .iPad7, //iPad 2019
"iPad7,12" : .iPad7,
"iPad11,6" : .iPad8, //iPad 2020
"iPad11,7" : .iPad8,
"iPad12,1" : .iPad9, //iPad 2021
"iPad12,2" : .iPad9,
//iPad Mini
"iPad2,5" : .iPadMini,
"iPad2,6" : .iPadMini,
"iPad2,7" : .iPadMini,
"iPad4,4" : .iPadMini2,
"iPad4,5" : .iPadMini2,
"iPad4,6" : .iPadMini2,
"iPad4,7" : .iPadMini3,
"iPad4,8" : .iPadMini3,
"iPad4,9" : .iPadMini3,
"iPad5,1" : .iPadMini4,
"iPad5,2" : .iPadMini4,
"iPad11,1" : .iPadMini5,
"iPad11,2" : .iPadMini5,
"iPad14,1" : .iPadMini6,
"iPad14,2" : .iPadMini6,
//iPad Pro
"iPad6,3" : .iPadPro9_7,
"iPad6,4" : .iPadPro9_7,
"iPad7,3" : .iPadPro10_5,
"iPad7,4" : .iPadPro10_5,
"iPad6,7" : .iPadPro12_9,
"iPad6,8" : .iPadPro12_9,
"iPad7,1" : .iPadPro2_12_9,
"iPad7,2" : .iPadPro2_12_9,
"iPad8,1" : .iPadPro11,
"iPad8,2" : .iPadPro11,
"iPad8,3" : .iPadPro11,
"iPad8,4" : .iPadPro11,
"iPad8,9" : .iPadPro2_11,
"iPad8,10" : .iPadPro2_11,
"iPad13,4" : .iPadPro3_11,
"iPad13,5" : .iPadPro3_11,
"iPad13,6" : .iPadPro3_11,
"iPad13,7" : .iPadPro3_11,
"iPad8,5" : .iPadPro3_12_9,
"iPad8,6" : .iPadPro3_12_9,
"iPad8,7" : .iPadPro3_12_9,
"iPad8,8" : .iPadPro3_12_9,
"iPad8,11" : .iPadPro4_12_9,
"iPad8,12" : .iPadPro4_12_9,
"iPad13,8" : .iPadPro5_12_9,
"iPad13,9" : .iPadPro5_12_9,
"iPad13,10" : .iPadPro5_12_9,
"iPad13,11" : .iPadPro5_12_9,
//iPad Air
"iPad4,1" : .iPadAir,
"iPad4,2" : .iPadAir,
"iPad4,3" : .iPadAir,
"iPad5,3" : .iPadAir2,
"iPad5,4" : .iPadAir2,
"iPad11,3" : .iPadAir3,
"iPad11,4" : .iPadAir3,
"iPad13,1" : .iPadAir4,
"iPad13,2" : .iPadAir4,
"iPad13,16" : .iPadAir5,
"iPad13,17" : .iPadAir5,
//iPhone
"iPhone3,1" : .iPhone4,
"iPhone3,2" : .iPhone4,
"iPhone3,3" : .iPhone4,
"iPhone4,1" : .iPhone4S,
"iPhone5,1" : .iPhone5,
"iPhone5,2" : .iPhone5,
"iPhone5,3" : .iPhone5C,
"iPhone5,4" : .iPhone5C,
"iPhone6,1" : .iPhone5S,
"iPhone6,2" : .iPhone5S,
"iPhone7,1" : .iPhone6Plus,
"iPhone7,2" : .iPhone6,
"iPhone8,1" : .iPhone6S,
"iPhone8,2" : .iPhone6SPlus,
"iPhone8,4" : .iPhoneSE,
"iPhone9,1" : .iPhone7,
"iPhone9,3" : .iPhone7,
"iPhone9,2" : .iPhone7Plus,
"iPhone9,4" : .iPhone7Plus,
"iPhone10,1" : .iPhone8,
"iPhone10,4" : .iPhone8,
"iPhone10,2" : .iPhone8Plus,
"iPhone10,5" : .iPhone8Plus,
"iPhone10,3" : .iPhoneX,
"iPhone10,6" : .iPhoneX,
"iPhone11,2" : .iPhoneXS,
"iPhone11,4" : .iPhoneXSMax,
"iPhone11,6" : .iPhoneXSMax,
"iPhone11,8" : .iPhoneXR,
"iPhone12,1" : .iPhone11,
"iPhone12,3" : .iPhone11Pro,
"iPhone12,5" : .iPhone11ProMax,
"iPhone12,8" : .iPhoneSE2,
"iPhone13,1" : .iPhone12Mini,
"iPhone13,2" : .iPhone12,
"iPhone13,3" : .iPhone12Pro,
"iPhone13,4" : .iPhone12ProMax,
"iPhone14,4" : .iPhone13Mini,
"iPhone14,5" : .iPhone13,
"iPhone14,2" : .iPhone13Pro,
"iPhone14,3" : .iPhone13ProMax,
"iPhone14,6" : .iPhoneSE3,
"iPhone14,7" : .iPhone14,
"iPhone14,8" : .iPhone14Plus,
"iPhone15,2" : .iPhone14Pro,
"iPhone15,3" : .iPhone14ProMax,
// Apple Watch
"Watch1,1" : .AppleWatch1,
"Watch1,2" : .AppleWatch1,
"Watch2,6" : .AppleWatchS1,
"Watch2,7" : .AppleWatchS1,
"Watch2,3" : .AppleWatchS2,
"Watch2,4" : .AppleWatchS2,
"Watch3,1" : .AppleWatchS3,
"Watch3,2" : .AppleWatchS3,
"Watch3,3" : .AppleWatchS3,
"Watch3,4" : .AppleWatchS3,
"Watch4,1" : .AppleWatchS4,
"Watch4,2" : .AppleWatchS4,
"Watch4,3" : .AppleWatchS4,
"Watch4,4" : .AppleWatchS4,
"Watch5,1" : .AppleWatchS5,
"Watch5,2" : .AppleWatchS5,
"Watch5,3" : .AppleWatchS5,
"Watch5,4" : .AppleWatchS5,
"Watch5,9" : .AppleWatchSE,
"Watch5,10" : .AppleWatchSE,
"Watch5,11" : .AppleWatchSE,
"Watch5,12" : .AppleWatchSE,
"Watch6,1" : .AppleWatchS6,
"Watch6,2" : .AppleWatchS6,
"Watch6,3" : .AppleWatchS6,
"Watch6,4" : .AppleWatchS6,
"Watch6,6" : .AppleWatchS7,
"Watch6,7" : .AppleWatchS7,
"Watch6,8" : .AppleWatchS7,
"Watch6,9" : .AppleWatchS7,
//Apple TV
"AppleTV1,1" : .AppleTV1,
"AppleTV2,1" : .AppleTV2,
"AppleTV3,1" : .AppleTV3,
"AppleTV3,2" : .AppleTV3,
"AppleTV5,3" : .AppleTV4,
"AppleTV6,2" : .AppleTV_4K,
"AppleTV11,1" : .AppleTV2_4K
]
guard let mcode = modelCode, let map = String(validatingUTF8: mcode), let model = modelMap[map] else { return Model.unrecognized }
if model == .simulator {
if let simModelCode = ProcessInfo().environment["SIMULATOR_MODEL_IDENTIFIER"] {
if let simMap = String(validatingUTF8: simModelCode), let simModel = modelMap[simMap] {
return simModel
}
}
}
return model
}
}
用法: 您可以简单地获得设备模型:
let deviceType = UIDevice().type
或打印精确的字符串:
print("Running on: \(UIDevice().type)")
Output -> "iPhone X"
另一个关于case的例子:
var myDefaultHeight: CGFloat = 30.0
switch UIDevice().type {
case .iPhoneSE, .iPhone5, .iPhone5S: print("default value")
case .iPhone6, .iPhone7, .iPhone8, .iPhone6S, .iPhoneX: myDefaultHeight+= 5
case .iPhone11, .iPhone12, .iPhone13: myDefaultHeight+= 10
default: break
}
苹果设备型号请访问: https://www.theiphonewiki.com/wiki/Models
附注:我在这里做了一个新的异步实验(直接连接到THEIPHONEWIKI站点，源代码中没有很长的静态设备列表。
这个Swift 3.0示例将当前设备模型作为枚举常量返回(以避免与字符串字面值直接比较)。enum的原始值是一个包含人类可读的iOS设备名称的字符串。因为它是Swift，所以认可的设备列表只包括最新的机型，足以支持包含Swift的iOS版本。下面的使用示例利用了这个答案末尾的实现:
switch UIDevice().type {
case .iPhone5:
print("No TouchID sensor")
case .iPhone5S:
fallthrough
case .iPhone6:
fallthrough
case .iPhone6plus:
fallthrough
case .iPad_Pro9_7:
fallthrough
case .iPad_Pro12_9:
fallthrough
case .iPhone7:
fallthrough
case .iPhone7plus:
print("Put your thumb on the " +
UIDevice().type.rawValue + " TouchID sensor")
case .unrecognized:
print("Device model unrecognized");
default:
print(UIDevice().type.rawValue + " not supported by this app");
}
你的应用应该保持最新的新设备发布，以及当苹果为同一设备家族添加新型号时。例如，iPhone3、1 iPhone3、2 iPhone3、4都是“iPhone 4”。避免编写不考虑新型号的代码，这样你的算法就不会意外地配置失败或对新设备做出响应。你可以参考这个维护列表的iOS设备型号#更新你的应用程序在战略时刻。
iOS includes device-independent interfaces to detect hardware capabilities and parameters such as screen size. The generalized interfaces Apple provides are usually the safest, best supported mechanisms to dynamically adapt an app's behavior to different hardware. Nevertheless, the following code can be useful for prototyping, debugging, testing, or any time code needs to target a specific device family. This technique can also be useful to describe the current device by its common/publicly recognized name.
斯威夫特3
// 1. Declare outside class definition (or in its own file).
// 2. UIKit must be included in file where this code is added.
// 3. Extends UIDevice class, thus is available anywhere in app.
//
// Usage example:
//
// if UIDevice().type == .simulator {
// print("You're running on the simulator... boring!")
// } else {
// print("Wow! Running on a \(UIDevice().type.rawValue)")
// }
import UIKit
public enum Model : String {
case simulator = "simulator/sandbox",
iPod1 = "iPod 1",
iPod2 = "iPod 2",
iPod3 = "iPod 3",
iPod4 = "iPod 4",
iPod5 = "iPod 5",
iPad2 = "iPad 2",
iPad3 = "iPad 3",
iPad4 = "iPad 4",
iPhone4 = "iPhone 4",
iPhone4S = "iPhone 4S",
iPhone5 = "iPhone 5",
iPhone5S = "iPhone 5S",
iPhone5C = "iPhone 5C",
iPadMini1 = "iPad Mini 1",
iPadMini2 = "iPad Mini 2",
iPadMini3 = "iPad Mini 3",
iPadAir1 = "iPad Air 1",
iPadAir2 = "iPad Air 2",
iPadPro9_7 = "iPad Pro 9.7\"",
iPadPro9_7_cell = "iPad Pro 9.7\" cellular",
iPadPro10_5 = "iPad Pro 10.5\"",
iPadPro10_5_cell = "iPad Pro 10.5\" cellular",
iPadPro12_9 = "iPad Pro 12.9\"",
iPadPro12_9_cell = "iPad Pro 12.9\" cellular",
iPhone6 = "iPhone 6",
iPhone6plus = "iPhone 6 Plus",
iPhone6S = "iPhone 6S",
iPhone6Splus = "iPhone 6S Plus",
iPhoneSE = "iPhone SE",
iPhone7 = "iPhone 7",
iPhone7plus = "iPhone 7 Plus",
iPhone8 = "iPhone 8",
iPhone8plus = "iPhone 8 Plus",
iPhoneX = "iPhone X",
iPhoneXS = "iPhone XS",
iPhoneXSmax = "iPhone XS Max",
iPhoneXR = "iPhone XR",
iPhone11 = "iPhone 11",
iPhone11Pro = "iPhone 11 Pro",
iPhone11ProMax = "iPhone 11 Pro Max",
unrecognized = "?unrecognized?"
}
public extension UIDevice {
public var type: Model {
var systemInfo = utsname()
uname(&systemInfo)
let modelCode = withUnsafePointer(to: &systemInfo.machine) {
$0.withMemoryRebound(to: CChar.self, capacity: 1) {
ptr in String.init(validatingUTF8: ptr)
}
}
var modelMap : [ String : Model ] = [
"i386" : .simulator,
"x86_64" : .simulator,
"iPod1,1" : .iPod1,
"iPod2,1" : .iPod2,
"iPod3,1" : .iPod3,
"iPod4,1" : .iPod4,
"iPod5,1" : .iPod5,
"iPad2,1" : .iPad2,
"iPad2,2" : .iPad2,
"iPad2,3" : .iPad2,
"iPad2,4" : .iPad2,
"iPad2,5" : .iPadMini1,
"iPad2,6" : .iPadMini1,
"iPad2,7" : .iPadMini1,
"iPhone3,1" : .iPhone4,
"iPhone3,2" : .iPhone4,
"iPhone3,3" : .iPhone4,
"iPhone4,1" : .iPhone4S,
"iPhone5,1" : .iPhone5,
"iPhone5,2" : .iPhone5,
"iPhone5,3" : .iPhone5C,
"iPhone5,4" : .iPhone5C,
"iPad3,1" : .iPad3,
"iPad3,2" : .iPad3,
"iPad3,3" : .iPad3,
"iPad3,4" : .iPad4,
"iPad3,5" : .iPad4,
"iPad3,6" : .iPad4,
"iPhone6,1" : .iPhone5S,
"iPhone6,2" : .iPhone5S,
"iPad4,1" : .iPadAir1,
"iPad4,2" : .iPadAir2,
"iPad4,4" : .iPadMini2,
"iPad4,5" : .iPadMini2,
"iPad4,6" : .iPadMini2,
"iPad4,7" : .iPadMini3,
"iPad4,8" : .iPadMini3,
"iPad4,9" : .iPadMini3,
"iPad6,3" : .iPadPro9_7,
"iPad6,11" : .iPadPro9_7,
"iPad6,4" : .iPadPro9_7_cell,
"iPad6,12" : .iPadPro9_7_cell,
"iPad6,7" : .iPadPro12_9,
"iPad6,8" : .iPadPro12_9_cell,
"iPad7,3" : .iPadPro10_5,
"iPad7,4" : .iPadPro10_5_cell,
"iPhone7,1" : .iPhone6plus,
"iPhone7,2" : .iPhone6,
"iPhone8,1" : .iPhone6S,
"iPhone8,2" : .iPhone6Splus,
"iPhone8,4" : .iPhoneSE,
"iPhone9,1" : .iPhone7,
"iPhone9,2" : .iPhone7plus,
"iPhone9,3" : .iPhone7,
"iPhone9,4" : .iPhone7plus,
"iPhone10,1" : .iPhone8,
"iPhone10,2" : .iPhone8plus,
"iPhone10,3" : .iPhoneX,
"iPhone10,6" : .iPhoneX,
"iPhone11,2" : .iPhoneXS,
"iPhone11,4" : .iPhoneXSmax,
"iPhone11,6" : .iPhoneXSmax,
"iPhone11,8" : .iPhoneXR,
"iPhone12,1" : .iPhone11,
"iPhone12,3" : .iPhone11Pro,
"iPhone12,5" : .iPhone11ProMax
]
if let model = modelMap[String.init(validatingUTF8: modelCode!)!] {
return model
}
return Model.unrecognized
}
}
这里有一个没有强制unwrap和Swift 3.0的修改:
import Foundation
import UIKit
public enum Model : String {
case simulator = "simulator/sandbox",
iPod1 = "iPod 1",
iPod2 = "iPod 2",
iPod3 = "iPod 3",
iPod4 = "iPod 4",
iPod5 = "iPod 5",
iPad2 = "iPad 2",
iPad3 = "iPad 3",
iPad4 = "iPad 4",
iPhone4 = "iPhone 4",
iPhone4S = "iPhone 4S",
iPhone5 = "iPhone 5",
iPhone5S = "iPhone 5S",
iPhone5C = "iPhone 5C",
iPadMini1 = "iPad Mini 1",
iPadMini2 = "iPad Mini 2",
iPadMini3 = "iPad Mini 3",
iPadAir1 = "iPad Air 1",
iPadAir2 = "iPad Air 2",
iPhone6 = "iPhone 6",
iPhone6plus = "iPhone 6 Plus",
iPhone6S = "iPhone 6S",
iPhone6Splus = "iPhone 6S Plus",
iPhoneSE = "iPhone SE",
iPhone7 = "iPhone 7",
iPhone7plus = "iPhone 7 Plus",
unrecognized = "?unrecognized?"
}
public extension UIDevice {
public var type: Model {
var systemInfo = utsname()
uname(&systemInfo)
let modelCode = withUnsafePointer(to: &systemInfo.machine) {
$0.withMemoryRebound(to: CChar.self, capacity: 1) {
ptr in String.init(validatingUTF8: ptr)
}
}
var modelMap : [ String : Model ] = [
"i386" : .simulator,
"x86_64" : .simulator,
"iPod1,1" : .iPod1,
"iPod2,1" : .iPod2,
"iPod3,1" : .iPod3,
"iPod4,1" : .iPod4,
"iPod5,1" : .iPod5,
"iPad2,1" : .iPad2,
"iPad2,2" : .iPad2,
"iPad2,3" : .iPad2,
"iPad2,4" : .iPad2,
"iPad2,5" : .iPadMini1,
"iPad2,6" : .iPadMini1,
"iPad2,7" : .iPadMini1,
"iPhone3,1" : .iPhone4,
"iPhone3,2" : .iPhone4,
"iPhone3,3" : .iPhone4,
"iPhone4,1" : .iPhone4S,
"iPhone5,1" : .iPhone5,
"iPhone5,2" : .iPhone5,
"iPhone5,3" : .iPhone5C,
"iPhone5,4" : .iPhone5C,
"iPad3,1" : .iPad3,
"iPad3,2" : .iPad3,
"iPad3,3" : .iPad3,
"iPad3,4" : .iPad4,
"iPad3,5" : .iPad4,
"iPad3,6" : .iPad4,
"iPhone6,1" : .iPhone5S,
"iPhone6,2" : .iPhone5S,
"iPad4,1" : .iPadAir1,
"iPad4,2" : .iPadAir2,
"iPad4,4" : .iPadMini2,
"iPad4,5" : .iPadMini2,
"iPad4,6" : .iPadMini2,
"iPad4,7" : .iPadMini3,
"iPad4,8" : .iPadMini3,
"iPad4,9" : .iPadMini3,
"iPhone7,1" : .iPhone6plus,
"iPhone7,2" : .iPhone6,
"iPhone8,1" : .iPhone6S,
"iPhone8,2" : .iPhone6Splus,
"iPhone8,4" : .iPhoneSE,
"iPhone9,1" : .iPhone7,
"iPhone9,2" : .iPhone7plus,
"iPhone9,3" : .iPhone7,
"iPhone9,4" : .iPhone7plus,
]
guard let safeModelCode = modelCode else {
return Model.unrecognized
}
guard let modelString = String.init(validatingUTF8: safeModelCode) else {
return Model.unrecognized
}
guard let model = modelMap[modelString] else {
return Model.unrecognized
}
return model
}
}
如果你不想每次苹果向设备家族添加新型号时都更新你的代码，可以使用下面的方法只返回型号代码。
func platform() -> String {
var systemInfo = utsname()
uname(&systemInfo)
let modelCode = withUnsafeMutablePointer(&systemInfo.machine) {
ptr in String.fromCString(UnsafePointer<CChar>(ptr))
}
return String.fromCString(modelCode!)!
}
