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
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
}
}
其他回答
斯威夫特4
func getAppVersion() -> String {
return "\(Bundle.main.infoDictionary!["CFBundleShortVersionString"] ?? "")"
}
Bundle.main.infoDictionary![“CFBundleShortVersionString”]
快速旧语法
let appVer: AnyObject? = NSBundle.mainBundle().infoDictionary!["CFBundleShortVersionString"]
对于Swift 5.0:
let appVersion = Bundle.main.infoDictionary?["CFBundleShortVersionString"] as! String
Swift 5作为UIApplication扩展
extension UIApplication {
static var release: String {
return Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString") as! String? ?? "x.x"
}
static var build: String {
return Bundle.main.object(forInfoDictionaryKey: "CFBundleVersion") as! String? ?? "x"
}
static var version: String {
return "\(release).\(build)"
}
}
使用示例:
print("release: \(UIApplication.release)")
print("build: \(UIApplication.build)")
print("version: \(UIApplication.version)")
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
}
}
以下是Swift 3.2的更新版本:
extension UIApplication
{
static var appVersion:String
{
if let appVersion = Bundle.main.object(forInfoDictionaryKey: "CFBundleShortVersionString")
{
return "\(appVersion)"
}
return ""
}
static var buildNumber:String
{
if let buildNum = Bundle.main.object(forInfoDictionaryKey: kCFBundleVersionKey as String)
{
return "\(buildNum)"
}
return ""
}
static var versionString:String
{
return "\(appVersion).\(buildNumber)"
}
}