Select the app from the list in the Files section. In the Documents list, select the file that you want to delete, then press the Delete key on your keyboard. When the Finder asks you to confirm, click Delete. There might be other ways to delete files from an app. See the app's user guide to find out more. Optimize your system's productivity with these utilities in your toolbox. Clear out junk files, speed up PC or phone performance, and more. Neighbors App Real-Time Crime & Safety Alerts Amazon Subscription Boxes Top subscription boxes – right to your door: PillPack Pharmacy Simplified: Amazon Renewed Like-new products you can trust: Amazon Second Chance Pass it on, trade it in, give it a second life. Collaborate with your team across all major devices at work and on the way home. Sync your work and stay on the same page in real time. A handy suite of online whiteboard apps brings your team collaboration to a new level.
Jump Right In
Start Developing iOS Apps (Swift) is the perfect starting point for learning to create apps that run on iPhone and iPad. View this set of incremental lessons as a guided introduction to building your first app—including the tools, major concepts, and best practices that will ease your path.
Each lesson contains a tutorial and the conceptual information you need to complete it. The lessons build on each other, walking you through a step-by-step process of creating a simple, real-world iOS app.
As you make your way through the lessons and build the app, you’ll learn about concepts in iOS app development, gain a deeper understanding of the Swift programming language, and familiarize yourself with the many valuable features of Xcode, Apple’s integrated development environment (IDE).
Prerequisites
In these lessons, it is assumed that you are familiar with the Swift programming language. You do not need to be a Swift master to complete the lessons, but you will get more out of the lessons if you can comfortably read and understand Swift code.
If you are not yet comfortable with Swift, complete the Learn to Code exercises in the Swift Playgrounds app. Alternatively, you can work through A Swift Tour from The Swift Programming Language (Swift 3). Both give you a solid foundation in the Swift programming language.
About the Lessons
In these lessons, you’ll be building a simple meal-tracking app called FoodTracker. This app shows a list of meals, including a meal name, rating, and photo. A user can add, remove, or edit a meal. To add a new meal or edit an existing one, users navigate to a different screen where they can specify a name, rating, and photo for a particular meal.
The lessons are each accompanied by an Xcode project file that shows an example of how your code and interface should look at the end of the lesson. After you go through a lesson, you can download the project and check your work against it.
If you need to refer to the concepts you’ve learned throughout the lessons, use the glossary to refresh your memory. Glossary terms are linked throughout the lessons.
Get the Tools
To develop iOS apps using the latest technologies described in these lessons, you need a Mac computer (macOS 10.11.5 or later) running the latest version of Xcode. Xcode includes all the features you need to design, develop, and debug an app. Xcode also contains the iOS SDK, which extends Xcode to include the tools, compilers, and frameworks you need specifically for iOS development.
Download the latest version of Xcode on your Mac free from the App Store.
To download the latest version of Xcode https://siliconnew334.weebly.com/blog/autotune-mac-app-store.
Important
The lessons were written using Xcode 8.1, iOS SDK 10, and Swift 3. Try to use these versions while working on the tutorials. If you are using a different version, your screen may look different than what is shown in the screenshots. You may also need to make changes to your code to get it to compile.
Let’s get started!
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