AppCoda Weekly - Issue #197

Have you upgraded your iPhone to iPhone 12/12 Pro? I haven't bought one yet. But we are updating our AppCoda Weekly - Issue #197 By [AppCoda Weekly]( • Issue #197 • [View online]( Have you upgraded your iPhone to iPhone 12/12 Pro? I haven’t bought one yet. But we are updating [our beginner book]( for iOS 14 and make sure all the demo apps work great on this new iPhone, plus in Dark Mode. We target to release the update next month. As always, hope you will enjoy the collection of iOS tutorials. Talk soon, Simon Tutorials [The Modern Ways To Reload Your Table And Collection View Cells]( [The Modern Ways To Reload Your Table And Collection View Cells]( Reloading NSDiffableDataSourceSnapshot on table and collection view is not as straightforward as you think. Find out more in this article. [swiftsenpai.com]( • [Share]( [Do Protocols Break Single Responsibility Principle?]( [Do Protocols Break Single Responsibility Principle?]( Why is SRP appreciated in the first place? Why do you apply it to your functions and data structures? What SRP has to do with side effects in protocols? What are “side effects” in the context of protocols? These are the questions answered in this post. [dmtopolog.com]( • [Share]( [@Warn_unqualified_access]( This article focuses on a lesser know, older, but equally useful attribute, @warn_unqualified_access that can help us write better and clearer Swift code. [fivestars.blog]( • [Share]( [Reduce Boilerplate Code With An Automatic Synthesis Of Equatable And Hashable Conformance]( [Reduce Boilerplate Code With An Automatic Synthesis Of Equatable And Hashable Conformance]( Equatable and Hashable are two essential protocols in the Swift world. Learn an old Swift feature that is very helpful if you want to make your types conform to those protocols. [sarunw.com]( • [Share]( [Testing Networking Logic In Swift]( [Testing Networking Logic In Swift]( See how networking code can be tested without needing to introduce complex abstractions within your production code, by using system-provided APIs for overriding and mocking various kinds of requests. [www.swiftbysundell.com]( • [Share]( [Understanding The Differences Between Your Core Data Model And Managed Objects]( [Understanding The Differences Between Your Core Data Model And Managed Objects]( You may have noticed that when Xcode generates your classes based on your Core Data model file, most of your managed object’s properties are optional. In this article, you will explore this phenomenon, and know why it happens. [www.donnywals.com]( • [Share]( [Benchmarking Your App With MetricKit]( Explore the implementation of MetricKit which allows you to aggregate and analyze benchmark data on a per-device basis, and not only does it include information on performance and battery usage, but also on exceptions and crash reports. [www.andyibanez.com]( • [Share]( [Transactions In SwiftUI]( [Transactions In SwiftUI]( Understanding transactions opens new doors for building powerful and reusable view components in SwiftUI. This tutorial talks about transactions, which is a hidden gem of SwiftUI. [swiftwithmajid.com]( • [Share]( [How To Notarize A Mac App]( [How To Notarize A Mac App]( In this tutorial, you will learn how to notarize your Mac app so you can distribute it from your own website. [www.swiftdevjournal.com]( • [Share]( [ProcessInfo For Test Data And More]( [ProcessInfo For Test Data And More]( ProcessInfo is a powerful API that is often overlooked when we’re not working on the Command Line. However it can be helpful for many iOS applications, for example to inject consistent data for testing and screenshots, among other things. [blog.timroesner.com]( • [Share]( [Automatically Pixelate Faces On iOS Using Face Detection With Native Swift Code]( [Automatically Pixelate Faces On iOS Using Face Detection With Native Swift Code]( This article uses Apple’s native library to create an iOS application that will pixelate faces on any given image. [heartbeat.fritz.ai]( • [Share]( [8 Common SwiftUI Mistakes - And How To Fix Them]( [8 Common SwiftUI Mistakes - And How To Fix Them]( This article walks you through eight common mistakes SwiftUI learners make, and how to fix them. [www.hackingwithswift.com]( • [Share]( [Generating boilerplate Swift code With GYB]( [Generating boilerplate Swift code With GYB]( There are a few tools to help you to generate boilerplate Swift code , one of the most flexible of them being GYB. [blog.kulman.sk]( • [Share]( [Refactoring UIAlertController: Helper Class And Protocol Approaches]( [Refactoring UIAlertController: Helper Class And Protocol Approaches]( Here is a detailed look at two possible approaches to avoid writing boiler plate code over and over. [nemecek.be]( • [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. We’ve updated the book to cover 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 [Top 20 WatchOS Inspiration Ideas]( [Top 20 WatchOS Inspiration Ideas]( Explore these top 20 WatchOS inspiration ideas in this awesome post of WatchOS UI/UX design [medium.muz.li]( • [Share]( [Designing Better Sign-Up Screens]( [Designing Better Sign-Up Screens]( To help you put your best foot forward this article shares a few simple tips for improving the design of signup & sign-in screens for apps.‍ [uxdesign.cc]( • [Share]( [7 Principles Of Conversational Design]( [7 Principles Of Conversational Design]( Conversations are bound to psychology. Here are 7 principles for getting started with conversational design. [uxmag.com]( • [Share]( Libraries [CardScanner]( A credit card scanner. [github.com]( • [Share]( [FontAwesomeSwiftUI]( [FontAwesomeSwiftUI]( Easy to use FontAwesome 5 in SwiftUI. [github.com]( • [Share]( [eul]( 🖥️ macOS status monitoring app written in SwiftUI. [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! [Tweet](    [Share]( If you don't want these updates anymore, please unsubscribe [here](. If you were forwarded this newsletter and you like it, you can subscribe [here](. Powered by [Revue](