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

这里有一个辅助库。

斯威夫特5

吊舱“股息”,“~> 2.0”

Swift 4.0 - Swift 4.2

吊舱“股息”,“~> 1.3”

如果你只是想确定模型并做出相应的东西。

你可以这样用:

let isIphoneX = Device().isOneOf([.iPhoneX, .simulator(.iPhoneX)])

在函数中:

func isItIPhoneX() -> Bool {
    let device = Device()
    let check = device.isOneOf([.iPhoneX, .iPhoneXr , .iPhoneXs , .iPhoneXsMax ,
                                .simulator(.iPhoneX), .simulator(.iPhoneXr) , .simulator(.iPhoneXs) , .simulator(.iPhoneXsMax) ])
    return check
}

其他回答

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
    }
}

对于设备和模拟器, 创建一个名为UIDevice.swift的新swift文件

添加以下代码

import UIKit


public extension UIDevice {

var modelName: String {
    #if (arch(i386) || arch(x86_64)) && os(iOS)
        let DEVICE_IS_SIMULATOR = true
    #else
        let DEVICE_IS_SIMULATOR = false
    #endif

    var machineString : String = ""

    if DEVICE_IS_SIMULATOR == true
    {

        if let dir = NSProcessInfo().environment["SIMULATOR_MODEL_IDENTIFIER"] {
            machineString = dir
        }
    }
    else {
        var systemInfo = utsname()
        uname(&systemInfo)
        let machineMirror = Mirror(reflecting: systemInfo.machine)
        machineString = machineMirror.children.reduce("") { identifier, element in
            guard let value = element.value as? Int8 where value != 0 else { return identifier }
            return identifier + String(UnicodeScalar(UInt8(value)))
        }
    }
    switch machineString {
    case "iPod5,1":                                 return "iPod Touch 5"
    case "iPod7,1":                                 return "iPod Touch 6"
    case "iPhone3,1", "iPhone3,2", "iPhone3,3":     return "iPhone 4"
    case "iPhone4,1":                               return "iPhone 4s"
    case "iPhone5,1", "iPhone5,2":                  return "iPhone 5"
    case "iPhone5,3", "iPhone5,4":                  return "iPhone 5c"
    case "iPhone6,1", "iPhone6,2":                  return "iPhone 5s"
    case "iPhone7,2":                               return "iPhone 6"
    case "iPhone7,1":                               return "iPhone 6 Plus"
    case "iPhone8,1":                               return "iPhone 6s"
    case "iPhone8,2":                               return "iPhone 6s Plus"
    case "iPad2,1", "iPad2,2", "iPad2,3", "iPad2,4":return "iPad 2"
    case "iPad3,1", "iPad3,2", "iPad3,3":           return "iPad 3"
    case "iPad3,4", "iPad3,5", "iPad3,6":           return "iPad 4"
    case "iPad4,1", "iPad4,2", "iPad4,3":           return "iPad Air"
    case "iPad5,3", "iPad5,4":                      return "iPad Air 2"
    case "iPad2,5", "iPad2,6", "iPad2,7":           return "iPad Mini"
    case "iPad4,4", "iPad4,5", "iPad4,6":           return "iPad Mini 2"
    case "iPad4,7", "iPad4,8", "iPad4,9":           return "iPad Mini 3"
    case "iPad5,1", "iPad5,2":                      return "iPad Mini 4"
    case "iPad6,7", "iPad6,8":                      return "iPad Pro"
    case "AppleTV5,3":                              return "Apple TV"
    default:                                        return machineString
    }
}
}

然后在你的视图控制器中,

 let deviceType = UIDevice.currentDevice().modelName

    if deviceType.lowercaseString.rangeOfString("iphone 4") != nil {
       print("iPhone 4 or iphone 4s")
    }
    else if deviceType.lowercaseString.rangeOfString("iphone 5") != nil {
        print("iPhone 5 or iphone 5s or iphone 5c")
    }
   else if deviceType.lowercaseString.rangeOfString("iphone 6") != nil {
        print("iPhone 6 Series")
    }

在swift中处理c结构体是很痛苦的。尤其是当里面有c数组的时候。以下是我的解决方案:继续使用objective-c。只需创建一个包装器objective-c类来完成这项工作,然后在swift中使用该类。下面是一个示例类,它就是这样做的:

@interface DeviceInfo : NSObject

+ (NSString *)model;

@end

#import "DeviceInfo.h"
#import <sys/utsname.h>

@implementation DeviceInfo

+ (NSString *)model
{
    struct utsname systemInfo;
    uname(&systemInfo);

    return [NSString stringWithCString: systemInfo.machine encoding: NSUTF8StringEncoding];
}

@end

在迅捷的一面:

let deviceModel = DeviceInfo.model()

对我有用

var sysinfo = utsname()
uname(&sysinfo)
let data = Data(bytes: &sysinfo.machine, count: Int(_SYS_NAMELEN))
let model = String(cString: [UInt8](data) //iPhone13,1

基于这个答案和这个答案。我创造了一个公共主旨

如何使用它

let boolean: Bool = UIDevice.isDevice(ofType: .iPhoneX)
// true or false

let specificDevice: DeviceModel.Model = UIDevice.modelType
// iPhone6s, iPhoneX, iPad etc...

let model: DeviceModel = UIDevice.model
// .simulator(let specificDevice), .real(let specificDevice),
// .unrecognizedSimulator(let string), .unrecognized(let string)

let modelName: String = UIDevice.model.name
// iPhone 6, iPhone X, etc...

这是要点里面的代码

public extension UIDevice {
    public static var modelCode: String {
        if let simulatorModelIdentifier = ProcessInfo().environment["SIMULATOR_MODEL_IDENTIFIER"] { return simulatorModelIdentifier }
        var systemInfo = utsname()
        uname(&systemInfo)
        return withUnsafeMutablePointer(to: &systemInfo.machine) {
            ptr in String(cString: UnsafeRawPointer(ptr).assumingMemoryBound(to: CChar.self))
        }
    }

    public static var model: DeviceModel {
        // Thanks https://stackoverflow.com/a/26962452/5928180
        var systemInfo = utsname()
        uname(&systemInfo)
        let modelCode = withUnsafeMutablePointer(to: &systemInfo.machine) {
            ptr in String(cString: UnsafeRawPointer(ptr).assumingMemoryBound(to: CChar.self))
        }

        // Thanks https://stackoverflow.com/a/33495869/5928180
        if modelCode == "i386" || modelCode == "x86_64" {
            if let simulatorModelCode = ProcessInfo().environment["SIMULATOR_MODEL_IDENTIFIER"], let model = DeviceModel.Model(modelCode: simulatorModelCode) {
                return DeviceModel.simulator(model)
            } else if let simulatorModelCode = ProcessInfo().environment["SIMULATOR_MODEL_IDENTIFIER"] {
                return DeviceModel.unrecognizedSimulator(simulatorModelCode)
            } else {
                return DeviceModel.unrecognized(modelCode)
            }
        } else if let model = DeviceModel.Model(modelCode: modelCode) {
            return DeviceModel.real(model)
        } else {
            return DeviceModel.unrecognized(modelCode)
        }
    }

    public static var modelType: DeviceModel.Model? {
        return UIDevice.model.model
    }

    public static func isDevice(ofType model: DeviceModel.Model) -> Bool {
        return UIDevice.modelType == model
    }
}


public enum DeviceModel {
    case simulator(Model)
    case unrecognizedSimulator(String)
    case real(Model)
    case unrecognized(String)

    public enum Model: String {
        case iPod1            = "iPod 1"
        case iPod2            = "iPod 2"
        case iPod3            = "iPod 3"
        case iPod4            = "iPod 4"
        case iPod5            = "iPod 5"
        case iPad2            = "iPad 2"
        case iPad3            = "iPad 3"
        case iPad4            = "iPad 4"
        case iPhone4          = "iPhone 4"
        case iPhone4S         = "iPhone 4S"
        case iPhone5          = "iPhone 5"
        case iPhone5S         = "iPhone 5S"
        case iPhone5C         = "iPhone 5C"
        case iPadMini1        = "iPad Mini 1"
        case iPadMini2        = "iPad Mini 2"
        case iPadMini3        = "iPad Mini 3"
        case iPadAir1         = "iPad Air 1"
        case iPadAir2         = "iPad Air 2"
        case iPadPro9_7       = "iPad Pro 9.7\""
        case iPadPro9_7_cell  = "iPad Pro 9.7\" cellular"
        case iPadPro10_5      = "iPad Pro 10.5\""
        case iPadPro10_5_cell = "iPad Pro 10.5\" cellular"
        case iPadPro12_9      = "iPad Pro 12.9\""
        case iPadPro12_9_cell = "iPad Pro 12.9\" cellular"
        case iPhone6          = "iPhone 6"
        case iPhone6plus      = "iPhone 6 Plus"
        case iPhone6S         = "iPhone 6S"
        case iPhone6Splus     = "iPhone 6S Plus"
        case iPhoneSE         = "iPhone SE"
        case iPhone7          = "iPhone 7"
        case iPhone7plus      = "iPhone 7 Plus"
        case iPhone8          = "iPhone 8"
        case iPhone8plus      = "iPhone 8 Plus"
        case iPhoneX          = "iPhone X"

        init?(modelCode: String) {
            switch modelCode {
            case "iPod1,1":    self = .iPod1
            case "iPod2,1":    self = .iPod2
            case "iPod3,1":    self = .iPod3
            case "iPod4,1":    self = .iPod4
            case "iPod5,1":    self = .iPod5
            case "iPad2,1":    self = .iPad2
            case "iPad2,2":    self = .iPad2
            case "iPad2,3":    self = .iPad2
            case "iPad2,4":    self = .iPad2
            case "iPad2,5":    self = .iPadMini1
            case "iPad2,6":    self = .iPadMini1
            case "iPad2,7":    self = .iPadMini1
            case "iPhone3,1":  self = .iPhone4
            case "iPhone3,2":  self = .iPhone4
            case "iPhone3,3":  self = .iPhone4
            case "iPhone4,1":  self = .iPhone4S
            case "iPhone5,1":  self = .iPhone5
            case "iPhone5,2":  self = .iPhone5
            case "iPhone5,3":  self = .iPhone5C
            case "iPhone5,4":  self = .iPhone5C
            case "iPad3,1":    self = .iPad3
            case "iPad3,2":    self = .iPad3
            case "iPad3,3":    self = .iPad3
            case "iPad3,4":    self = .iPad4
            case "iPad3,5":    self = .iPad4
            case "iPad3,6":    self = .iPad4
            case "iPhone6,1":  self = .iPhone5S
            case "iPhone6,2":  self = .iPhone5S
            case "iPad4,1":    self = .iPadAir1
            case "iPad4,2":    self = .iPadAir2
            case "iPad4,4":    self = .iPadMini2
            case "iPad4,5":    self = .iPadMini2
            case "iPad4,6":    self = .iPadMini2
            case "iPad4,7":    self = .iPadMini3
            case "iPad4,8":    self = .iPadMini3
            case "iPad4,9":    self = .iPadMini3
            case "iPad6,3":    self = .iPadPro9_7
            case "iPad6,11":   self = .iPadPro9_7
            case "iPad6,4":    self = .iPadPro9_7_cell
            case "iPad6,12":   self = .iPadPro9_7_cell
            case "iPad6,7":    self = .iPadPro12_9
            case "iPad6,8":    self = .iPadPro12_9_cell
            case "iPad7,3":    self = .iPadPro10_5
            case "iPad7,4":    self = .iPadPro10_5_cell
            case "iPhone7,1":  self = .iPhone6plus
            case "iPhone7,2":  self = .iPhone6
            case "iPhone8,1":  self = .iPhone6S
            case "iPhone8,2":  self = .iPhone6Splus
            case "iPhone8,4":  self = .iPhoneSE
            case "iPhone9,1":  self = .iPhone7
            case "iPhone9,2":  self = .iPhone7plus
            case "iPhone9,3":  self = .iPhone7
            case "iPhone9,4":  self = .iPhone7plus
            case "iPhone10,1": self = .iPhone8
            case "iPhone10,2": self = .iPhone8plus
            case "iPhone10,3": self = .iPhoneX
            case "iPhone10,6": self = .iPhoneX
            default:           return nil
            }
        }
    }

    public var name: String {
        switch self {
        case .simulator(let model):         return "Simulator[\(model.rawValue)]"
        case .unrecognizedSimulator(let s): return "UnrecognizedSimulator[\(s)]"
        case .real(let model):              return model.rawValue
        case .unrecognized(let s):          return "Unrecognized[\(s)]"
        }
    }

    public var model: DeviceModel.Model? {
        switch self {
        case .simulator(let model):         return model
        case .real(let model):              return model
        case .unrecognizedSimulator(_):     return nil
        case .unrecognized(_):              return nil
        }
    }
}