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Building modern iOS apps requires a set of skills and knowledge that is essential for developers to master. To create a high-quality product that engages users, they must learn and understand the latest tools, techniques, and best practices for building iOS apps. In this article, we will discuss the necessary steps for learning and understanding how to build modern iOS apps.

Step 1: Learning Swift Programming Language

Swift is the primary programming language for iOS app development. It is an easy-to-learn language that is designed with modern programming concepts and is very expressive. To start building modern iOS apps, developers must first learn Swift. Apple provides free tutorials and resources on its website that are beneficial for beginners. Additionally, there are many online courses, books, and videos available that teach Swift development.

Step 2: Familiarize Yourself with iOS Design Patterns

Next, developers must familiarize themselves with iOS design patterns such as Model-View-Controller (MVC), Model-View-Presenter (MVP), and Model-View-ViewModel (MVVM). These patterns help developers separate code into different components, making it easier to maintain and update. The MVC pattern is the most commonly used pattern in iOS app development.

Step 3: Use an Integrated Development Environment (IDE)

To build modern iOS apps, developers must use an Integrated Development Environment (IDE) such as Xcode. This IDE is specifically designed for building iOS apps and is equipped with tools such as a code editor, debugger, and simulator. Developers can use Xcode to develop, test, and deploy iOS apps.

Step 4: Learn iOS App Architecture

iOS app architecture is the process of organizing code in a project. A good iOS app architecture is essential for code maintenance, scalability, and reusability. Some popular iOS app architectures include the Clean Architecture, VIPER, and SwiftUI. Developers must choose an architecture that fits their project and implement it thoroughly.

Step 5: Use Third-Party Libraries

There are many third-party libraries available that can help developers build modern iOS apps. These libraries provide easy-to-use functionality, such as networking, database management, and user interface customization. Some popular iOS libraries include Alamofire, Realm, and SwiftyJSON.

Step 6: Use Testing Frameworks

Testing is an essential part of building modern iOS apps. Testing frameworks such as XCTest and Quick can help developers ensure their code is performing as expected. XCTest is the default testing framework for iOS app development and is built into Xcode.

In conclusion, building modern iOS apps requires knowledge of Swift programming language, iOS design patterns, an Integrated Development Environment (IDE), iOS app architectures, third-party libraries, and testing frameworks. By mastering these skills and techniques, developers can create high-quality iOS apps that engage users and provide an optimal user experience.