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
if let version = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as? String {
lblVersion.text = "Version \(version)"
}
其他回答
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"
斯威夫特5.3
let infoDictionaryKey = kCFBundleVersionKey as String
guard let currentVersion = Bundle.main.object(forInfoDictionaryKey: infoDictionaryKey) as? String
else { fatalError("Expected to find a bundle version in the info dictionary") }
我在捆绑上做了一个扩展
extension Bundle {
var appName: String {
return infoDictionary?["CFBundleName"] as! String
}
var bundleId: String {
return bundleIdentifier!
}
var versionNumber: String {
return infoDictionary?["CFBundleShortVersionString"] as! String
}
var buildNumber: String {
return infoDictionary?["CFBundleVersion"] as! String
}
}
然后使用它
versionLabel.text = "\(Bundle.main.appName) v \(Bundle.main.versionNumber) (Build \(Bundle.main.buildNumber))"
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
}
}