AppCoda Weekly - Issue #229

WWDC is around the corner. Like last year, it's an online-only conference which begins on June 7 at 1 AppCoda Weekly - Issue #229 By [AppCoda Weekly]( • Issue #229 • [View online]( WWDC is around the corner. Like last year, it’s an online-only conference which begins on June 7 at 10 a.m. PDT. If you want to watch the Keynote and State of the Union with other developers, check out [WWDC Together](. Our WWDC sale is still going on. Please don’t get to use the discount code “WWDC2021” at checkout to receive an extra 25% discount. This promo code is valid for both [Swift]( and [SwiftUI books](. As always, hope you’ll enjoy the collection of tutorials. Talk soon, Simon Tutorials [Introduction to UI Testing in SwiftUI Using XCTest Framework]( [Introduction to UI Testing in SwiftUI Using XCTest Framework]( In this tutorial, we will explore together the basics of UI testing in Xcode using the XCTest framework. If you have not written UI tests before, you will definitely find new and interesting things to learn about. [www.appcoda.com]( • [Share]( [How Necessary Are The Programming Fundamentals?]( [How Necessary Are The Programming Fundamentals?]( This article introduces the field of algorithms and data structures in a neutral way, shows how this knowledge is applied in practice using an analogy, and finally uses all of that to clarify why large companies like Google and Apple are so focused on it. [swiftrocks.com]( • [Share]( [Higher-Order Functions In Swift]( [Higher-Order Functions In Swift]( Higher-Order Functions are the most powerful tool in Swift language that every iOS developer should know. This post helps you to understand them better. [medium.com]( • [Share]( [Wrapping Dependencies In SwiftUI]( [Wrapping Dependencies In SwiftUI]( DI systems can end up looking complex, resulting in a fair amount of boilerplate. In this article learn to put together a lightweight solution harnessing the power of Swift’s property wrappers. [obscuredpixels.com]( • [Share]( [Automatic Keyboard Avoidance For UIKit]( [Automatic Keyboard Avoidance For UIKit]( UIKit does not get automatic keyboard avoidance in iOS14, but the way to enable it is actually quite easy. Read this article to find out how. [swiftsenpai.com]( • [Share]( [Variadic Functions In Swift]( [Variadic Functions In Swift]( Know more about Variadic Functions which can reduce the amount of repeated code needed to complete a given task, making your code clean, reusable, and readable. [levelup.gitconnected.com]( • [Share]( [Fileprivate Vs Private In Swift: The Differences Explained]( Fileprivate and private clearly differ from each other. Read more about why you will probably use private a lot more than fileprivate. [www.avanderlee.com]( • [Share]( [Dynamic Libraries And Code Replacements In Swift]( [Dynamic Libraries And Code Replacements In Swift]( How to load a dynamic library and use native method swizzling in Swift? This article is all about the magic behind SwiftUI previews. [theswiftdev.com]( • [Share]( [SwiftUI Introspect]( [SwiftUI Introspect]( A deep dive into one of the must-have libraries for any SwiftUI app, SwiftUI Introspect. [www.fivestars.blog]( • [Share]( [Quick Tip: Notifying Users of App Updates - For Free]( This article shows how you can push users to update their apps more often, and how you can do it for free. [www.andyibanez.com]( • [Share]( [Testing In-App Purchases Locally in Simulator]( [Testing In-App Purchases Locally in Simulator]( In this post, you will discover a new way to test your IAP in a simulator without any hassle. [levelup.gitconnected.com]( • [Share]( [Recession Proof Developer – A How To]( [Recession Proof Developer – A How To]( How do you survive an economic recession as a software developer? In this article, you’ll learn 3 approaches to make the most of a recession. [learnappmaking.com]( • [Share]( [Avoiding Having To Recompute Values Within SwiftUI Views]( [Avoiding Having To Recompute Values Within SwiftUI Views]( When using multiple computed properties within SwiftUI views could become problematic. This article illustrates an overall approach to solving those kinds of problems, [swiftbysundell.com]( • [Share]( [Building SwiftUI Apps In Markdown]( [Building SwiftUI Apps In Markdown]( See how advanced mapping mechanisms make it possible to dynamically convert Markdown documents into native SwiftUI views, even in the Xcode Preview Canvas. [itnext.io]( • [Share]( Ads/ Sponsored [Mastering SwiftUI]( [Mastering SwiftUI]( Learn how to build fluid UIs and a real world app with SwiftUI. Dive deep into SwiftUI and learn to develop UI in declarative syntax. You will work with various UI elements including Context Menu, List, ScrollView, etc, and learn how to create complex layouts with Stacks. Now it covers new features in iOS 14 like grid layout and animation. We are going to add more new content to the book. And you will get the new update for free. [www.appcoda.com]( • [Share]( UI/ UX [UI Grid Best Practices]( [UI Grid Best Practices]( Space and grid make the foundation of any design. Here are some tips for mastering the grid in UI design. [blog.prototypr.io]( • [Share]( [7 Tips For Using UI Inspiration Effectively]( [7 Tips For Using UI Inspiration Effectively]( Go through this article to know how to use UI inspiration effectively for learning and inspiring your creativity. [uxplanet.org]( • [Share]( [15 Tips For Better Forms]( [15 Tips For Better Forms]( Forms are an integral part of any UI as they establish an asynchronous communication channel between businesses and users. Take a look at some tips for designing better forms. [medium.muz.li]( • [Share]( Libraries [SwiftUI-MVVM-C]( [SwiftUI-MVVM-C]( An iOS template project using SwiftUI, Combine and MVVM-C software architecture. [github.com]( • [Share]( [Screen Sizes]( [Screen Sizes]( A complete guide for Apple displays. [www.screensizes.app]( • [Share]( [modal-view]( [modal-view]( Present Modal view with Swift UI in the same way you would do with NavigationView. [github.com]( • [Share]( [Assist]( [Assist]( App Store Connect API access via Swift command line tool. [github.com]( • [Share]( Did you enjoy this issue? [AppCoda Weekly]( By [AppCoda Weekly]( Must-read Swift & iOS programming articles that take your skills to the next level. Deliver every Tuesday! 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