Customizing a UINavigationBar’s appearance within a UINavigationController has always been a bit of a pain in iOS. In iOS 13, Apple introduced the UINavigationBarAppearance class, which provides so...

When you run tests in Xcode, the results of the test are saved into an xcresult file (actually a folder) somewhere in your Derived Data folder. You can find this result file by going into the Repor...

When building an iOS app, it is often useful to be able to observe the traffic that flows between the app and any backend services that it communicates with. This can be especially useful when you ...