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Cocoa Book Now Free
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I'm making my Cocoa book, Swift Dev Journal's Introduction to Cocoa, free. The book introduces AppKit by making a note taking app from scratch. If you always wanted to make Mac apps with AppKit but didn't know where to begin, this book can help you. The book was originally published in 2019. AppKit has not changed much recently so most of the material still applies. You can download a copy of the book at the book's website.
Mark Szymczyk Swift Dev Journal |
Swift Dev Journal
Subscribe and get exclusive articles on Swift development, a free guide on moving from tutorials to making your first app, notices of sales on books, and anything I decide to add in the future.
If you find your app becomes unresponsive at times, it can be frustrating to find the cause. Instruments includes a Hangs instrument that reports hangs to help you find and fix hangs. This article shows you how to use the Hangs and Time Profiler instruments to find hangs and find the code causing the hangs. Profiling Your App In Xcode press Cmd-I to build and profile your app with Instruments. When Instruments launches, it will ask you to choose a template for profiling. Select the Time...
Saving App Data in Property List Files Your app needs to save data. There's too much data to use User Defaults. Using SwiftData or Core Data would be overkill. One solution is to save the data in property list files. This article shows you how to save your app's data in property list files. Use the PropertyListEncoder Class if you can If the data you want to save conforms to the Codable protocol, use the PropertyListEncoder class to save the data. Encoding data with PropertyListEncoder...
Working with Lists in Multiplatform SwiftUI Apps One of SwiftUI's best features is you can use it to make apps that run on both iOS and Mac. Almost every SwiftUI article you find online is about iOS development, but most of the material also applies to Mac as well. Lists are one area of SwiftUI where there are large differences between iOS and Mac. If you read an article about lists and try to use the code in a Mac app, you'll run into problems. This article provides guidance on writing list...