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Over the last few years, we’ve seen a breakthrough in mobile computing and the birth of world-changing mobile apps. With a reputation as one of the most user-centric and developer-friendly platforms, iOS is the best place to launch your next great app idea. As the official tool to create iOS applications, Xcode is chock full of features aimed at making a developer’s job easier, faster, and more fun.
This book will take you from complete novice to a published app developer, and covers every step in between. You’ll learn the basics of iOS application development by taking a guided tour through the Xcode software and Swift programming language, before putting that knowledge to use by building your first app called “Snippets.” Over the course of the book, you will continue to explore the many facets of iOS development in Xcode by adding new features to your app, integrating gestures and sensors, and even creating an Apple Watch companion app. You’ll also learn how to use the debugging tools, write unit tests, and optimize and distribute your app. By the time you make it to the end of this book, you will have successfully built and published your first iOS application.
What You Will Learn
- Understand the most important features of the Xcode IDE
- Write Swift 3 code for application data models and view controllers
- Prepare visual layouts for an iOS application using storyboards, size classes, and auto-layout
- Integrate many common technologies into an app, such as multi-touch gestures, CoreData, and notifications
- Build companion applications for the Apple Watch with watchOS 3
- Debug applications using Xcode’s suite of debugging tools, and prevent bugs with unit testing
- Optimize an application using Xcode 8’s profiling tools and asset catalogs
- Distribute a beta application through TestFlight, and a finished application through the App Store