有時我們在? App? 中提交一些統計信息或者用戶反饋信息時，為了能更好地進行分析，通常會附帶上當前應用程序的名稱、版本號、設備型號、以及設備系統版本。下面演示如何獲取這些信息。

1，效果圖

程序啟動后自動獲取相關的應用信息以及設備信息，并打印到控制臺中。

2，樣例代碼

默認情況下我從?UIDevice?中獲取設備型號時只能得到?iPhone、iPod Touch?這樣籠統的類型數據。 這里對?UIDevice?做個擴展，使其可以得到具體的設備型號，比如：iPhone 6s Plus?這樣準確的設備款式。

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import?UIKit class?ViewController:?UIViewController?{ ????override?func?viewDidLoad() { ????????super.viewDidLoad() ????????? ????????//應用程序信息 ????????let?infoDictionary =?Bundle.main.infoDictionary! ????????let?appDisplayName = infoDictionary["CFBundleDisplayName"]?//程序名稱 ????????let?majorVersion = infoDictionary["CFBundleShortVersionString"]//主程序版本號 ????????let?minorVersion = infoDictionary["CFBundleVersion"]//版本號（內部標示） ????????let?appVersion = majorVersion?as!?String ????????? ????????//設備信息 ????????let?iosVersion =?UIDevice.current.systemVersion?//iOS版本 ????????let?identifierNumber =?UIDevice.current.identifierForVendor?//設備udid ????????let?systemName =?UIDevice.current.systemName?//設備名稱 ????????let?model =?UIDevice.current.model?//設備型號 ????????let?modelName =?UIDevice.current.modelName?//設備具體型號 ????????let?localizedModel =?UIDevice.current.localizedModel?//設備區域化型號如A1533 ????????? ????????//打印信息 ????????print("程序名稱：\(appDisplayName)") ????????print("主程序版本號：\(appVersion)") ????????print("內部版本號：\(minorVersion)") ????????print("iOS版本：\(iosVersion)") ????????print("設備udid：\(identifierNumber)") ????????print("設備名稱：\(systemName)") ????????print("設備型號：\(model)") ????????print("設備具體型號：\(modelName)") ????????print("設備區域化型號：\(localizedModel)") ????} ????override?func?didReceiveMemoryWarning() { ????????super.didReceiveMemoryWarning() ????} } //擴展UIDevice extension?UIDevice?{ ????//獲取設備具體詳細的型號 ????var?modelName:?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?"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?"iPhone9,1":???????????????????????????????return?"iPhone 7 (CDMA)" ????????case?"iPhone9,3":???????????????????????????????return?"iPhone 7 (GSM)" ????????case?"iPhone9,2":???????????????????????????????return?"iPhone 7 Plus (CDMA)" ????????case?"iPhone9,4":???????????????????????????????return?"iPhone 7 Plus (GSM)" ????????????? ????????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" ????????case?"i386",?"x86_64":??????????????????????????return?"Simulator" ????????default:????????????????????????????????????????return?identifier ????????} ????} }

總結

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