Bill creates a stop watch app and finds the Udemy course becoming more challenging.
Marc explains selectors in Swift vs Objective C, the pitfalls of
NSTimer and sending
and app to the background. Marc addresses the dangers of killing your apps in iOS
and reopening each time.
Bill talks about CaSe SeNsItIvItY and the less than helpful error messages from Xcode.
Marc shares his continuing adventures with the App Store and developing for the Apple Watch.