How to Start iOS Development Career Part 2 – Learning Swift Language
Hallo allemaal, Leo hier. The topic today is learning Swift language. This will be the second post of the series How to Start iOS Development Career. It is very important to read first that post so you can understand the knowledge body we are constructing here. An article about learning Swift is something that talks […]
How to Start iOS Development Career – The 5 Steps Plan
Hallo vrienden, Leo hier. The article today is a meta-programming article. It is not about programming itself but is how I started my iOS development career. The motivation behind this is the common pattern of people lost at the beginning of their journeys in the world of iOS. Keep in mind this is the first […]
Dependency Injection with Needle
Hallo allemaal, Leo hier. The topic today is Dependency Injection with Needle. When I started as an iOS developer I wanted to know everything I can. I can remember the first days of struggling with delegation and also closures. I remember trying to understand a really interesting article from Sundell about Promises and Futures in […]
How to Unit Test Notification Center in Swift
Hallo honden and katten, Leo hier. Today’s topic is how to Unit Test Notification Center in Swift and how to make your life easier in terms of maintainability of your code that use Notification Center. We will continue to talk about unit testing. Since iOS 2, we iOS developers have access to this dispatch center. […]
How to Center a View in the Superview with UIKit using Swift
Hallo vrienden, Leo hier. The topic today is something that everyone eventually has to do: Center a View in the Superview. We will explore interesting facts about UIKit coordinate system. The goal is to center a subview within its superview. It’s been a very busy week for me and the article today will be a […]
Remove Data Clump in Swift
Hallo allemaal, Leo hier. Today we will discuss how to remove data clump in Swift to decrease developer cognitive load. Today we will talk about a code smell. Code smells are symptoms that something is not “well thought”, implying that it could/should be improved. Mind that the mere existence of a code smell is not […]
Merge Sort a Classic Algorithm Series in Swift
Hallo vrienden, alles goed? Leo hier. Today we will study a classic sorting algorithm called Merge Sort and how you can do it in Swift. Today we will study what is in my opinion one of the most classic sorting algorithms, the legendary merge sort. I remember learning this in college and I was amazed […]
Introduction to Xcode Frame Debug
Hallo vrienden, Leo Hier. The topic today is an introduction to Xcode Frame debug and how you can improve your debugging skills with this hidden Xcode feature. We will check some tips about Xcode view debugging, more specifically when you are using frames. I’ll not dive into what frames are or what bounds are, this […]
How to use KeyboardLayoutGuide API to move UITextField when the keyboard appears on iOS
Hallo allemaal, Leo hier. The topic today is the new KeyboardLayoutGuide and how you can use it to move views when the keyboard appears. I’m very happy. This article brings joy to my soul and you’ll know why after a brief story. We will explore a new way, I mean iOS 15 and above, to […]
How to Write Unit Tests for UIButton with XCTest in Swift
Hallo vrienden, Leo hier. Today we will discuss how to write unit tests for UIButton with XCtest in Swift and why you should learn that to improve your code stability and maintainability. This is the first article of a series on how to test UI with unit tests. I know, I know… this is a […]
