The app delegate must implement the window property if it wants to use a main storyboard file swift

Question

I have just developed an app, but when running in the simulator the debugger console says:

The app delegate must implement the window property if it w

Answer 1

Just in case anyone comes across this again and is programming in Objective-C make sure you have this line of code in your AppDelegate.h file:

@property (strong, nonatomic) UIWindow *window;