The main goal of this article is to set guidelines for a novice iOS creator, with the help of which it will be easier to understand where to start developing in this area. You will learn about the developer tools you need, familiarize yourself with the main programming language for iOS applications, Objective-C, learn what Cocoa is, get a number of useful links, and more.

IOS Developer Toolkit

Getting started, first we install all the necessary tools: Xcode – a program created by Apple for creating applications for OS X, iOS and the iOS SDK.

Xcode is an amazing piece of equipment that provides everything you need to develop applications for the iPhone and iPad. Xcode’s user interface is a single workplace window where all the magic happens: from writing code, checking it and debugging bugs, to developing the software interface. The iOS SDK mentioned above to extend the Xcode toolbox requires no additional download and is installed automatically with Xcode.

Thus, as you already understood, all work begins with the installation of the latest version of Xcode, which can be found in the Mac App Store.

The second step will be the registration of the newly minted iOS programmer in the iOS Developers Program. Registration is required if you are serious about developing and promoting your brainchild in the AppStore. Otherwise, you don’t have to worry about it and just use the Simulator included in the iOS SDK.

Objective-C language

Objective-C is an object-oriented programming language used to build iOS applications. Objective-C is a superset of the C language, which means that you can write code using both C and Objective-C.

Frameworks

Any iOS app is built using Objective-C and Cocoa frameworks. Apple frameworks contain a library of functions that your application calls on. At the same time, several applications at the same time can have access to the framework library.

Apple creates frameworks that already contain all the necessary functions, which saves time and is a kind of guarantor of the quality of the work done.

Attractive shell

The visual component of the iOS application is given no less importance than the functional one. Therefore, it is important to remember the importance of the interface when developing software. The main expectations of users from the application visually can be described in a few words: attractiveness, interactivity and, most importantly, the intuitiveness of the interface.

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