Learn How to Develop an iOS App

 

How to Develop an iOS App?

With an idea for an iOS mobile app in mind, the next step is development. While learning how to become an iOS developer is one option, there are actually three options for bringing an iOS app to life:

1. iOS app builders

Using no-code app builders such as AppyPie can get an idea into the Apple Store quickly even for enthusiasts without coding knowledge, but often with sub-par results.

2. Learn iOS development

If you are looking to make an iOS app solo, or are looking for information on how to develop iOS apps to become a competitive software developer, you can take weeks or months to become proficient enough to begin an app. However, the iOS development learning curve can take time – time that can hold back an idea from being developed quickly and with best practices.

3. Find an iOS developer

In a competitive marketplace, getting an app created quickly can mean the difference between standing out and failure. Sometimes the best option for how to develop an iOS app is to hire out: either a mobile app development company (team of expert developers and UX agency services), and specifically with experienced iOS app developers, or a freelancer (solo developer). A team often comes with greater expertise and flexibility, not to mention reliability, to meet business goals.

If learning iOS development is still the goal, this iOS development tutorial is the right place to start.

Learn How to Become an iOS Mobile App Developer

The iOS mobile app development tutorial can be simplified as follows:

Step 1: Choose an iOS Language

To begin this iOS mobile app development tutorial, there are two main iOS programming language choices: Swift and Objective-C. Swift became the official Apple language in 2014 and, though a younger language, still has a wide base of support.

The iOS development learning curve depends strongly on any past knowledge of development, existing knowledge of programming languages, aptitude, and the time spent devoted to learning. In general, one can expect Swift to be an easier language to learn.

Step 2: Find an iOS App Development Tutorial that Best Fits Your Learning Style

There are many fantastic resources available to learn how to code for Swift and for Objective-C. Look for the iOS app development tutorial that works best for your level of knowledge and working style.

learning iOS app development

Following are the resources you can consider to learn iOS app development:

The official Apple website of Swift resources, for either documentation & videos, a more strict curriculum, or the interactive Swift Playgrounds

Apple documentation for Objective-C

Online academies, including the official Apple Swift courses, JetBrains, CodeAcademy, Udemy, Coursera, PluralSight, and many others.

Books & in-person classes

Step 3: Enroll in the Apple Developer Program

Before one can learn iOS development or make an app, one must first enroll in the Apple Developer Program as either an individual or an organization. There are more requirements for the organization than for the individual. Note, although there is a free account to download Apple tools to develop and test iOS apps, there is a membership fee to submit apps for review to the Apple App Store.

Step 4: Download Xcode

download Xcode

Xcode is Apple’s integrated development environment (IDE) for macOS, used for the development of iOS, macOS, iPadOS, watchOS, and tvOS applications. Xcode is not just for Swift programming, but rather supports multiple programming languages including Objective-C, C, C++, Java, AppleScript, Python, Ruby, and more.

Xcode includes the iOS software development kit (SDK), tools, compilers, and frameworks needed to design and code an iOS app. It’s important to note that Xcode only runs on Mac OS X.

Step 5: Design & Build the App

swifti

Without the help of experts in design and user experience (UX) / user interface (UI), an app can look and feel unprofessional. However, Apple does try to take the guesswork out of UI design with SwiftUI, its user interface toolkit. SwiftUI uses declarative programming, which describes how the UI should look visually, with Xcode generating the code or the option to generate code with a real-time UI preview.

To get started on this stage of the iOS development tutorial:

Start a New Project and create a name for it. Select SwiftUI if you plan to use that for the interface and begin with a Single View App for simplicity in your first project.

the single-view app interface

Open the “project name” group in the project navigator. The project will begin with a display of Hello World that you can delete or preview (click “Resume” in Editor and Canvas mode) – it’s just a chance to demonstrate how the SwiftUI works

Code your app

SwiftUI makes it possible to quickly develop and translate views for various platforms, with automatic adjustments of container sizes, padding, spacing, and colors for each platform.

While SwiftUI is powerful, it may produce complicated errors that are not yet well backed by documentation, with a less mature community ecosystem for help. Larger brands should consider hiring UX designers to create, test, and implement a more customized solution. Ideally, both design and development are iterative processes, to seek and integrate feedback to ensure the app is meeting the business goals.

Step 6: Test & Deploy

The next step in the iOS app development tutorial with Swift is to proceed with testing. During the building phase, Xcode provides a simulation app that can be used to see how the app will look and function on various devices. However, more thorough testing would involve the use of both tools (XCTest framework, iOS Unit test) as well as real testing by real users on various iPhones or levels of iOS.

Once the app is at a level that is relatively stable and receiving good feedback, it can be deployed to the Apple App Store for review. Pay careful attention to shifting App Store submission requirements and guidelines.

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