How To Solve “‘windows’ was deprecated in iOS 15.0: Use UIWindowScene.windows on a relevant window scene instead” warning in Swift.

Quick tip on how to fix the error which mostly depends on where you are calling the code in your app. In my app for example I use a similar code in two places. Common among them is it tries to determine the first key window in the application regardless of the scene. I have… Read More How To Solve “‘windows’ was deprecated in iOS 15.0: Use UIWindowScene.windows on a relevant window scene instead” warning in Swift.

Swift Struct and Class Difference

Struct Value type Copied when passed or assigned Copy on write Functional programming No inheritance “Free” init initializes ALL vars Mutability must be explicitly stated Your “go-to” data structure Class Reference type Passed around via pointers Automatically reference counted Object-oriented programming Inheritance (single) “Free” init initializes NO vars Always mutable Used in specific circumstances The… Read More Swift Struct and Class Difference

Swift – Solving Fatal error: Unresolved error Foundation._GenericObjCError.nilError, [:]

You are likely to get this error on CoreData when trying to update the manageObjectContext in the init() of your struct. I was trying calling a function that saves the context upon navigating to a new view from the initializer. A better approach instead is when the view has been rendered use the .onAppear(perform:) modifier… Read More Swift – Solving Fatal error: Unresolved error Foundation._GenericObjCError.nilError, [:]