设备信息类是iOS开发框架中必备工具类，通常包含哪些属性呢？
- UUID
- 广告标识idfa
- 机型
- 屏幕尺寸
- 屏幕类型。
- UI放大比例：做多屏幕适配，此处使用的是6PLUS作为基准。
- UI横向的放大比例：屏幕适配时使用，通常用于图片。
- 1像素线条比例
/**
* 设备屏幕尺寸类型
*/
@objc public enum YKDeviceScreenSizeType : Int {
case none = 0
/**
* 4s设备的屏幕分辨率
*/
case iPhone4S = 1
/**
* 5S设备的屏幕分辨率
*/
case iPhone5S = 2
/**
* 6设备的屏幕分辨率
*/
case iPhone6 = 3
/**
* 6Plus设备的屏幕分辨率
*/
case iPhone6Plus = 4
/**
* X设备的屏幕分辨率
*/
case iPhoneX = 5
}
public class YKDevice : NSObject{
private let KUUIDKey = "KUuidKey"
private let YKDeviceScreenSize4S:CGSize = CGSize(width: 320, height: 480)
private let YKDeviceScreenSize5S:CGSize = CGSize(width: 320, height: 568)
private let YKDeviceScreenSize6:CGSize = CGSize(width: 375, height: 667)
private let YKDeviceScreenSize6Plus:CGSize = CGSize(width: 414, height: 736)
private let YKDeviceScreenSizeX:CGSize = CGSize(width: 375, height: 812)
private static var sharedDevice = YKDevice()
private var uuid:String!
private var deviceScreenSize:CGSize!
private var _deviceScreenSizeType:YKDeviceScreenSizeType!
private var _horUIScale:CGFloat!
private var _verUIScale:CGFloat!
private var _uiScaleForSinglePx:CGFloat!
/*
uuid
*/
public static func deviceUUID() ->String{
return sharedDevice.uuid
}
/*
获取机型
*/
public static func deviceModel() ->String {
return sharedDevice.model()
}
/*
设备名称
*/
public static func deviceName() ->String {
return UIDevice.current.name
}
/*
系统版本号
*/
public static func systemVersion() -> String {
return UIDevice.current.systemName
}
/*
idfa串
*/
public static func idfaString() -> String {
return ASIdentifierManager.shared().advertisingIdentifier.uuidString
}
/*
获取屏幕逻辑尺寸
*/
public static func screenSize() -> CGSize {
return sharedDevice.deviceScreenSize
}
/*
获取屏幕尺寸类型
*/
public static func deviceScreenSizeType() -> YKDeviceScreenSizeType {
return sharedDevice._deviceScreenSizeType
}
/*
水平方向的缩放比例，以6，7，8屏幕为基准。
*/
public static func horUIScale() -> CGFloat {
return sharedDevice._horUIScale
}
/*
垂直方向的缩放比例，以6，7，8屏幕为基准。
*/
public static func verUIScale() -> CGFloat {
return sharedDevice._verUIScale
}
/*
单像素在不同scale下的逻辑尺寸。
*/
public static func uiScaleForSinglePx() -> CGFloat {
return sharedDevice._uiScaleForSinglePx
}
/*
获取屏幕的逻辑尺寸宽度。
*/
public static func screenWidth() -> CGFloat {
return sharedDevice.deviceScreenSize.width
}
/*
获取屏幕的逻辑尺寸高度。
*/
public static func screenHeight() -> CGFloat {
return sharedDevice.deviceScreenSize.height
}
override init() {
super.init()
self.setUpDeviceUUID()
self.setupDeviceInfo()
}
private func setUpDeviceUUID() {
let userDefault = UserDefaults.standard
let uuid:String? = userDefault.string(forKey:KUUIDKey)
if uuid != nil && uuid!.count > 0 {
self.uuid = uuid!
}else{
let uuidOjbect = CFUUIDCreate(nil)
let uuidString = (String)(CFUUIDCreateString(nil, uuidOjbect))
self.uuid = uuidString
userDefault.set(uuidString, forKey: KUUIDKey)
userDefault.synchronize()
}
}
private func setupDeviceInfo() {
self.deviceScreenSize = UIScreen.main.bounds.size
if __CGSizeEqualToSize(self.deviceScreenSize, YKDeviceScreenSize4S) {
_deviceScreenSizeType = YKDeviceScreenSizeType.iPhone4S
}else if __CGSizeEqualToSize(self.deviceScreenSize, YKDeviceScreenSize5S) {
_deviceScreenSizeType = YKDeviceScreenSizeType.iPhone5S
}else if __CGSizeEqualToSize(self.deviceScreenSize, YKDeviceScreenSize6) {
_deviceScreenSizeType = YKDeviceScreenSizeType.iPhone6
}else if __CGSizeEqualToSize(self.deviceScreenSize, YKDeviceScreenSize6Plus) {
_deviceScreenSizeType = YKDeviceScreenSizeType.iPhone6Plus
}else if __CGSizeEqualToSize(self.deviceScreenSize, YKDeviceScreenSizeX) {
_deviceScreenSizeType = YKDeviceScreenSizeType.iPhoneX
}
_horUIScale = deviceScreenSize.width/375.0
_verUIScale = deviceScreenSize.height/667.0
_uiScaleForSinglePx = 1.0/UIScreen.main.scale
}
private func model()->String {
var systemInfo = utsname()
uname(&systemInfo)
let machineMirror = Mirror(reflecting: systemInfo.machine)
let identifier = machineMirror.children.reduce("") {
identifier, element in
guard let value = element.value as? Int8, value != 0 else {
return identifier
}
return identifier + String(UnicodeScalar(UInt8(value)))
}
switch identifier {
case "iPod1,1": return "iPod Touch 1"
case "iPod2,1": return "iPod Touch 2"
case "iPod3,1": return "iPod Touch 3"
case "iPod4,1": return "iPod Touch 4"
case "iPod5,1": return "iPod Touch (5 Gen)"
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": return "iPhone 5"
case "iPhone5,2": return "iPhone 5 (GSM+CDMA)"
case "iPhone5,3": return "iPhone 5c (GSM)"
case "iPhone5,4": return "iPhone 5c (GSM+CDMA)"
case "iPhone6,1": return "iPhone 5s (GSM)"
case "iPhone6,2": return "iPhone 5s (GSM+CDMA)"
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 "iPhone8,4": return "iPhone SE"
case "iPhone9,1": return "国行、日版、港行iPhone 7"
case "iPhone9,2": return "港行、国行iPhone 7 Plus"
case "iPhone9,3": return "美版、台版iPhone 7"
case "iPhone9,4": return "美版、台版iPhone 7 Plus"
case "iPhone10,1","iPhone10,4": return "iPhone 8"
case "iPhone10,2","iPhone10,5": return "iPhone 8 Plus"
case "iPhone10,3","iPhone10,6": return "iPhone X"
case "iPad1,1": return "iPad"
case "iPad1,2": return "iPad 3G"
case "iPad2,1", "iPad2,2", "iPad2,3", "iPad2,4": return "iPad 2"
case "iPad2,5", "iPad2,6", "iPad2,7": return "iPad Mini"
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 "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 "iPad5,3", "iPad5,4": return "iPad Air 2"
case "iPad6,3", "iPad6,4": return "iPad Pro 9.7"
case "iPad6,7", "iPad6,8": return "iPad Pro 12.9"
case "AppleTV2,1": return "Apple TV 2"
case "AppleTV3,1","AppleTV3,2": return "Apple TV 3"
case "AppleTV5,3": return "Apple TV 4"
case "i386", "x86_64": return "Simulator"
default: return identifier
}
}
}
注：没有考虑横竖屏切换时的情况。
