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shankartshinde/UIDeviceExtension.swift

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UIDevice as extension to determine current type of device/simulator in Swift
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UIDeviceExtension.swift
//
// UIDeviceExtension.swift
//
// Created by shankars on 3/15/19.
// Copyright © 2019 shankars. All rights reserved.
//
import Foundation
import UIKit
public enum Model : String {
case simulator = "simulator/sandbox",
//iPod
iPod1 = "iPod 1",
iPod2 = "iPod 2",
iPod3 = "iPod 3",
iPod4 = "iPod 4",
iPod5 = "iPod 5",
//iPad
iPad2 = "iPad 2",
iPad3 = "iPad 3",
iPad4 = "iPad 4",
iPadAir = "iPad Air ",
iPadAir2 = "iPad Air 2",
iPad5 = "iPad 5", //aka iPad 2017
iPad6 = "iPad 6", //aka iPad 2018
//iPad mini
iPadMini = "iPad Mini",
iPadMini2 = "iPad Mini 2",
iPadMini3 = "iPad Mini 3",
iPadMini4 = "iPad Mini 4",
//iPad pro
iPadPro9_7 = "iPad Pro 9.7\"",
iPadPro10_5 = "iPad Pro 10.5\"",
iPadPro12_9 = "iPad Pro 12.9\"",
iPadPro2_12_9 = "iPad Pro 2 12.9\"",
iPadPro3_12_9 = "iPad Pro 3 12.9\"",
iPadPro11 = "iPad Pro 11\"",
//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",
//Apple TV
AppleTV = "Apple TV",
AppleTV_4K = "Apple TV 4K",
unrecognized = "?unrecognized?"
}
// #-#-#-#-#-#-#-#-#-#-#-#-#-#-#
//MARK: UIDevice extensions
// #-#-#-#-#-#-#-#-#-#-#-#-#-#-#
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,
//iPod
"iPod1,1" : .iPod1,
"iPod2,1" : .iPod2,
"iPod3,1" : .iPod3,
"iPod4,1" : .iPod4,
"iPod5,1" : .iPod5,
//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,
"iPad4,1" : .iPadAir,
"iPad4,2" : .iPadAir,
"iPad4,3" : .iPadAir,
"iPad5,3" : .iPadAir2,
"iPad5,4" : .iPadAir2,
"iPad6,11" : .iPad5, //aka iPad 2017
"iPad6,12" : .iPad5,
"iPad7,5" : .iPad6, //aka iPad 2018
"iPad7,6" : .iPad6,
//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,
//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,
"iPad8,5" : .iPadPro3_12_9,
"iPad8,1" : .iPadPro11,
//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,
//AppleTV
"AppleTV5,3" : .AppleTV,
"AppleTV6,2" : .AppleTV_4K
]
if let model = modelMap[String.init(validatingUTF8: modelCode!)!] {
if model == .simulator {
if let simModelCode = ProcessInfo().environment["SIMULATOR_MODEL_IDENTIFIER"] {
print("simModelCode :: \(simModelCode)")
if let simModel = modelMap[String.init(validatingUTF8: simModelCode)!] {
return simModel
}
}
}
return model
}
return Model.unrecognized
}
}
@shankartshinde
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How to use Calling of UIDevice().type
extension ViewController {

func applyPortraitConstraint() {
    let type = UIDevice().type
    if UIUserInterfaceIdiom.pad == UI_USER_INTERFACE_IDIOM(){
        if type == .iPadPro3_12_9 {
            self.topConstraint.constant = -240
        } else if type == .iPadPro12_9 ||
            type == .iPadPro2_12_9 {
            self.topConstraint.constant = -227
        } else  if type == .iPadPro11 {
            self.topConstraint.constant = -210
        } else if type == .iPadPro10_5 {
            self.topConstraint.constant = -200
        } else if type == .iPadPro9_7 {
            self.topConstraint.constant = -195
        } else {
            self.topConstraint.constant = -190
        }
    } else {
        self.topConstraint.constant = -125
    }
}

func applyLandscapeConstraint() {
    let type = UIDevice().type
    if UIUserInterfaceIdiom.pad == UI_USER_INTERFACE_IDIOM(){
        if type == .iPadPro3_12_9 {
            self.topConstraint.constant = -290
        } else if type == .iPadPro12_9 ||
            type == .iPadPro2_12_9 {
            self.topConstraint.constant = -280
        } else  if type == .iPadPro11 {
            self.topConstraint.constant = -270
        } else if type == .iPadPro10_5 {
            self.topConstraint.constant = -245
        } else if type == .iPadPro9_7 {
            self.topConstraint.constant = -235
        } else {
            self.topConstraint.constant = -230
        }
    } else {
        self.topConstraint.constant = -140
    }
}

override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
    coordinator.animate(alongsideTransition: {[weak self] (UIViewControllerTransitionCoordinatorContext)->Void in
        let orient = UIApplication.shared.statusBarOrientation
        switch orient {
        case .portrait,.unknown,.portraitUpsideDown:
            self?.applyPortraitConstraint()
        case .landscapeLeft,.landscapeRight:
            self?.applyLandscapeConstraint()
        }
    }) { (UIViewControllerTransitionCoordinatorContext)->Void in
        print("rotation completed")
    }
    super.viewWillTransition(to: size, with: coordinator)
}

`

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