使用 Xamarin 的 iOS 应用的安装日期

Question

有没有办法使用 Xamarin.iOS 查找应用程序安装在设备上的日期？

Answer 1

Why don't you use UserDefaults?

You could check for a key let's say "installDate", if it does't exist it means it's the first time your launching the app and you'll set the installDate as the current date. If it does exist you know that the app was launched already.

Answer 2

I solved it by adding:

var urlToDocumentsFolder = NSFileManager.DefaultManager.GetUrls(NSSearchPathDirectory.DocumentDirectory, NSSearchPathDomain.User).First();
var creationDate = NSFileManager.DefaultManager.GetAttributes(urlToDocumentsFolder.Path).CreationDate;