● content and resources about iOS & macOS programming ●

UI

GTOverlayView

Show a customizable overlay view on top of any other view on UIKit-based iOS projects. Available as a Swift Package.
Working with Auto Layout Visual Format Language and Programmatically Creating Constraints

This tutorial will show to you how to create Autolayout constraints using the Auto Layout Visual Format Language and programmatically by calling the proper iOS SDK APIs. Go through it and master constraints.

GTOverlayView