我有一个带有Azure后端的IOS应用程序,想要记录某些事件,如登录和应用程序用户正在运行的版本。
如何使用Swift返回版本和构建号?
我有一个带有Azure后端的IOS应用程序,想要记录某些事件,如登录和应用程序用户正在运行的版本。
如何使用Swift返回版本和构建号?
当前回答
针对Swift 2.0
//First get the nsObject by defining as an optional anyObject
let nsObject: AnyObject? = NSBundle.mainBundle().infoDictionary!["CFBundleShortVersionString"]
let version = nsObject as! String
其他回答
Xcode 9.4.1 Swift 4.1
注意,使用localizedInfoDictionary来获取包显示名称的正确语言版本。
var displayName: String?
var version: String?
var build: String?
override func viewDidLoad() {
super.viewDidLoad()
// Get display name, version and build
if let displayName = Bundle.main.localizedInfoDictionary?["CFBundleDisplayName"] as? String {
self.displayName = displayName
}
if let version = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String {
self.version = version
}
if let build = Bundle.main.infoDictionary?["CFBundleVersion"] as? String {
self.build = build
}
}
对于Swift 3.0 NSBundle不工作,下面的代码工作完美。
let versionNumberString =
Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString")
as! String
对于版本号,它是:
let buildNumberString =
Bundle.main.object(forInfoDictionaryKey: "CFBundleVersion")
as! String
令人困惑的'CFBundleVersion'是在Xcode General->Identity中输入的构建号。
2022年,Swift 5
extension Bundle {
public var appName: String { getInfo("CFBundleName") }
public var displayName: String { getInfo("CFBundleDisplayName")}
public var language: String { getInfo("CFBundleDevelopmentRegion")}
public var identifier: String { getInfo("CFBundleIdentifier")}
public var copyright: String { getInfo("NSHumanReadableCopyright").replacingOccurrences(of: "\\\\n", with: "\n") }
public var appBuild: String { getInfo("CFBundleVersion") }
public var appVersionLong: String { getInfo("CFBundleShortVersionString") }
//public var appVersionShort: String { getInfo("CFBundleShortVersion") }
fileprivate func getInfo(_ str: String) -> String { infoDictionary?[str] as? String ?? "⚠️" }
}
用法(SwiftUI样本):
Text("Ver: \(Bundle.main.appVersionLong) (\(Bundle.main.appBuild)) ")
Text(Bundle.main.copyright)
.font(.system(size: 10, weight: .thin))
.multilineTextAlignment(.center)
奖励:版权支持\n符号!
EDIT
Swift 4.2更新
let appVersion = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String
EDIT
正如@azdev在Xcode的新版本上指出的那样,你会得到一个编译错误,尝试我以前的解决方案,要解决这个问题,只需编辑它,建议使用一个打开包字典!
let nsObject: AnyObject? = Bundle.main.infoDictionary!["CFBundleShortVersionString"]
最后编辑
使用与Objective-C中相同的逻辑,但有一些小的变化
//First get the nsObject by defining as an optional anyObject
let nsObject: AnyObject? = NSBundle.mainBundle().infoDictionary["CFBundleShortVersionString"]
//Then just cast the object as a String, but be careful, you may want to double check for nil
let version = nsObject as! String
Xcode 8, Swift 3:
let gAppVersion = Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") ?? "0"
let gAppBuild = Bundle.main.object(forInfoDictionaryKey: "CFBundleVersion") ?? "0"