There is a new protocol in Xcode 11 named Identifiable, it seems suitable to combine with Hashable to determine a cell content change by newItem.id == oldItem.id && newItem != oldItem. But there is nothing changing after I implement Identifiable. I am not sure if I have done something wrong…

If you are struggling on using coordinators in app architecture, its most likely due to the UIKit back to stack navigation tap. Fortunately, Apple has introduced the UIResponder to make navigation easier for iOS, MacOS and Watch OS platforms. In object oriented programming world, it is important to reduce dependencies…

A good section of this post is about the research + a project “Diagram” and steps I wish somebody told me upfront. Before I dive into Auto Layout, should I remind you also of legacy in frames 😝, masks — you always had to tell buttons and other controls how…

In case of multiple developers there is a feature that splits the storyboards scenes to avoid merge conflict. (Select Editor\Refactor to Storyboard and enter NewStoryboard.storyboard as the name of the new storyboard. Set the Group to NewStoryboard.story & Save. Xcode does the following: Splits out the selected scenes into a…

To start with I would like to stress that English is not my native language and I am by no means a writer, so please bear with me as I share few of my thoughts and experience other people struggle with too. 👽 I got into this thing back at…

OBJECTS VS. PROTOCOLS or functions OOP is code that is grouped into object or a class. It is the foundation of lower level (Obj-C) languages (which still holds more than 80% of Xcode features). Equipped with specific characteristics, objects have the ability to communicate with other objects and can achieve…

Networking code can definitely be improved. Thanks Apple! No third parties here!👌Sooooo since Swift 4 we got Codable with Decodable and Encodable protocols that provide support for native class (reference type), struct and enum as well (value types) all concrete data types… First of all Codable is defined as typealias…