iOS獲取設備型號和App版本號等信息（OC＋Swift）

iOS獲取設備型號和App版本號等信息（OC＋Swift）
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很久沒有寫過博客了，由於中間工做比較忙，而後有些我的事情因此耽誤了。可是以前寫的博客還一直有人來問一些問題，有些以前寫的已經比較久了，有些須要實時更新的也沒來得及更新，發現會跟一些童鞋形成困惑，因此之後也但願能及時更新和寫一些新的內容。

我以前博客的地址：一毛的博客，也是主要介紹iOS開發的，之後都在簡書更新吧。但願你們能繼續支持。
iOS開發過程當中，有時候爲了更好的用戶體驗或者爲了bug跟蹤，可能會須要獲取用戶的應用信息、系統信息、設備信息。這些信息的獲取能夠根據不一樣的設備或者App、系統版原本提供不一樣的功能或更好的用戶體驗，或者讓開發者能更好的分析用戶的問題緣由。

你說不要囉嗦了：Talk is cheap, show me the code！

好的，code來了：

獲取設備名稱

OC代碼
NSString *deviceName = [[UIDevice currentDevice] name];

Swift代碼
let deviceName = UIDevice.currentDevice().name

獲取系統版本號

OC代碼
NSString *sysVersion = [[UIDevice currentDevice] systemVersion];

Swift代碼
let sysVersion = UIDevice.currentDevice().systemVersion

獲取設備惟一標識符

OC代碼
NSString *deviceUUID = [[[UIDevice currentDevice] identifierForVendor] UUIDString];

Swift代碼
let deviceUUID = UIDevice.currentDevice().identifierForVendor?.UUIDString

獲取設備的型號

OC代碼
NSString *deviceModel = [[UIDevice currentDevice] model];

Swift代碼
let deviceModel = UIDevice.currentDevice().model

獲取App相關的信息

OC代碼

NSDictionary *infoDic = [[NSBundle mainBundle] infoDictionary];

// 獲取App的版本號
NSString *appVersion = [infoDic objectForKey:@"CFBundleShortVersionString"];

// 獲取App的build版本
NSString *appBuildVersion = [infoDic objectForKey:@"CFBundleVersion"];

// 獲取App的名稱
NSString *appName = [infoDic objectForKey:@"CFBundleDisplayName"];
Swift代碼

let infoDic = NSBundle.mainBundle().infoDictionary

// 獲取App的版本號
let appVersion = infoDic?["CFBundleShortVersionString"]

// 獲取App的build版本
let appBuildVersion = infoDic?["CFBundleVersion"]

// 獲取App的名稱
let appName = infoDic?["CFBundleDisplayName"]
有些人可能會說了：「褲子都脫了，你就給我看這個！看你以前寫的博客還能看點兒乾貨，今天第一篇就寫着麼個玩意兒？尤爲是獲取設備型號那個，獲取出來一個iPhone，你肯定不是在逗我吧？」

看官別急，其實此次最主要的就是來分享獲取設備型號的方法的，由於我看國內還不多有Swift寫的一些東西，也不知道是否是由於我沒有找到，就想本身寫出來給你們分享，順便作個筆記。

你會說：獲取設備型號比較麻煩，又用的是C語言的一些東西，比較麻煩，並且還得記住全部設備版本號例如：iPhone8,2，實在是記不住啊。固然不用記住，用的時候拷過來就好了，由於我也記不住😄

iOS獲取具體設備型號
OC代碼獲取iOS設備型號：
// 須要#import <sys/utsname.h>

• (NSString)deviceModelName
  {
  struct utsname systemInfo;
  uname(&systemInfo);
  NSString deviceModel = [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];

  //iPhone 系列
  if ([deviceModel isEqualToString:@"iPhone1,1"]) return @"iPhone 1G";
  if ([deviceModel isEqualToString:@"iPhone1,2"]) return @"iPhone 3G";
  if ([deviceModel isEqualToString:@"iPhone2,1"]) return @"iPhone 3GS";
  if ([deviceModel isEqualToString:@"iPhone3,1"]) return @"iPhone 4";
  if ([deviceModel isEqualToString:@"iPhone3,2"]) return @"Verizon iPhone 4";
  if ([deviceModel isEqualToString:@"iPhone4,1"]) return @"iPhone 4S";
  if ([deviceModel isEqualToString:@"iPhone5,1"]) return @"iPhone 5";
  if ([deviceModel isEqualToString:@"iPhone5,2"]) return @"iPhone 5";
  if ([deviceModel isEqualToString:@"iPhone5,3"]) return @"iPhone 5C";
  if ([deviceModel isEqualToString:@"iPhone5,4"]) return @"iPhone 5C";
  if ([deviceModel isEqualToString:@"iPhone6,1"]) return @"iPhone 5S";
  if ([deviceModel isEqualToString:@"iPhone6,2"]) return @"iPhone 5S";
  if ([deviceModel isEqualToString:@"iPhone7,1"]) return @"iPhone 6 Plus";
  if ([deviceModel isEqualToString:@"iPhone7,2"]) return @"iPhone 6";
  if ([deviceModel isEqualToString:@"iPhone8,1"]) return @"iPhone 6s";
  if ([deviceModel isEqualToString:@"iPhone8,2"]) return @"iPhone 6s Plus";

  //iPod 系列
  if ([deviceModel isEqualToString:@"iPod1,1"]) return @"iPod Touch 1G";
  if ([deviceModel isEqualToString:@"iPod2,1"]) return @"iPod Touch 2G";
  if ([deviceModel isEqualToString:@"iPod3,1"]) return @"iPod Touch 3G";
  if ([deviceModel isEqualToString:@"iPod4,1"]) return @"iPod Touch 4G";
  if ([deviceModel isEqualToString:@"iPod5,1"]) return @"iPod Touch 5G";

  //iPad 系列
  if ([deviceModel isEqualToString:@"iPad1,1"]) return @"iPad";
  if ([deviceModel isEqualToString:@"iPad2,1"]) return @"iPad 2 (WiFi)";
  if ([deviceModel isEqualToString:@"iPad2,2"]) return @"iPad 2 (GSM)";
  if ([deviceModel isEqualToString:@"iPad2,3"]) return @"iPad 2 (CDMA)";
  if ([deviceModel isEqualToString:@"iPad2,4"]) return @"iPad 2 (32nm)";
  if ([deviceModel isEqualToString:@"iPad2,5"]) return @"iPad mini (WiFi)";
  if ([deviceModel isEqualToString:@"iPad2,6"]) return @"iPad mini (GSM)";
  if ([deviceModel isEqualToString:@"iPad2,7"]) return @"iPad mini (CDMA)";

  if ([deviceModel isEqualToString:@"iPad3,1"]) return @"iPad 3(WiFi)";
  if ([deviceModel isEqualToString:@"iPad3,2"]) return @"iPad 3(CDMA)";
  if ([deviceModel isEqualToString:@"iPad3,3"]) return @"iPad 3(4G)";
  if ([deviceModel isEqualToString:@"iPad3,4"]) return @"iPad 4 (WiFi)";
  if ([deviceModel isEqualToString:@"iPad3,5"]) return @"iPad 4 (4G)";
  if ([deviceModel isEqualToString:@"iPad3,6"]) return @"iPad 4 (CDMA)";

  if ([deviceModel isEqualToString:@"iPad4,1"]) return @"iPad Air";
  if ([deviceModel isEqualToString:@"iPad4,2"]) return @"iPad Air";
  if ([deviceModel isEqualToString:@"iPad4,3"]) return @"iPad Air";
  if ([deviceModel isEqualToString:@"iPad5,3"]) return @"iPad Air 2";
  if ([deviceModel isEqualToString:@"iPad5,4"]) return @"iPad Air 2";
  if ([deviceModel isEqualToString:@"i386"]) return @"Simulator";
  if ([deviceModel isEqualToString:@"x86_64"]) return @"Simulator";

  if ([deviceModel isEqualToString:@"iPad4,4"]
  ||[deviceModel isEqualToString:@"iPad4,5"]
  ||[deviceModel isEqualToString:@"iPad4,6"]) return @"iPad mini 2";

  if ([deviceModel isEqualToString:@"iPad4,7"]
  ||[deviceModel isEqualToString:@"iPad4,8"]
  ||[deviceModel isEqualToString:@"iPad4,9"]) return @"iPad mini 3";

  return deviceModel;
  }
  記得必定要#import <sys/utsname.h>啊，到時候沒有導入編譯不經過了不要找我啊。

Swift代碼獲取iOS設備型號：
//MARK: - UIDevice延展
public extension UIDevice {

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 where 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 "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
    }
}

}
這個是在 Swift 2.0 版本以後才能使用的：如今不會還有人使用 Swift 1.2 吧？

你還問我怎麼用？好吧，騷年，送佛送到西，您看好了，把上面的擴展扔到你的項目中，而後就能夠用下面的語句調用了：

let modelName = UIDevice.currentDevice().modelName

好了，今天就寫到這兒吧，但願之後還有時間有精力來更多的更新一些內容吧。