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

我已经实现了一个超轻量级的库,可以根据给出的一些答案来检测使用的设备:https://github.com/schickling/Device.swift

它可以通过迦太基安装,并像这样使用:

import Device

let deviceType = UIDevice.currentDevice().deviceType

switch deviceType {
case .IPhone6: print("Do stuff for iPhone6")
case .IPadMini: print("Do stuff for iPad mini")
default: print("Check other available cases of DeviceType")
}

其他回答

struct utsname systemInfo;
uname(&systemInfo);

NSString* deviceModel = [NSString stringWithCString:systemInfo.machine
                          encoding:NSUTF8StringEncoding];

下面是获取硬件字符串的代码,但是您需要比较这些硬件字符串才能知道它是哪个设备。我已经创建了一个类,包含几乎所有的设备字符串(我们保持字符串最新的新设备)。使用方便,请检查

吉hub /恶魔大师

Objective-C: GitHub/DeviceUtil

public func hardwareString() -> String {
  var name: [Int32] = [CTL_HW, HW_MACHINE]
  var size: Int = 2
  sysctl(&name, 2, nil, &size, &name, 0)
  var hw_machine = [CChar](count: Int(size), repeatedValue: 0)
  sysctl(&name, 2, &hw_machine, &size, &name, 0)

  let hardware: String = String.fromCString(hw_machine)!
  return hardware
}

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
        }
    }
}

斯威夫特3.1

我对简单地调用utsname的看法是:

    func platform() -> String {
    var systemInfo = utsname()
    uname(&systemInfo)
    let size = Int(_SYS_NAMELEN) // is 32, but posix AND its init is 256....

    let s = withUnsafeMutablePointer(to: &systemInfo.machine) {p in

        p.withMemoryRebound(to: CChar.self, capacity: size, {p2 in
            return String(cString: p2)
        })

    }
    return s
}

和其他的一样,但对C/Swift和后面的复杂结构更清晰一些。 ):

返回值如"x86_64"

斯威夫特5

/// Obtain the machine hardware platform from the `uname()` unix command
///
/// Example of return values
///  - `"iPhone8,1"` = iPhone 6s
///  - `"iPad6,7"` = iPad Pro (12.9-inch)
static var unameMachine: String {
    var utsnameInstance = utsname()
    uname(&utsnameInstance)
    let optionalString: String? = withUnsafePointer(to: &utsnameInstance.machine) {
        $0.withMemoryRebound(to: CChar.self, capacity: 1) {
            ptr in String.init(validatingUTF8: ptr)
        }
    }
    return optionalString ?? "N/A"
}