Let's learn about Ios Development via these 108 free blog posts. They are ordered by HackerNoon reader engagement data. Visit the Learn Repo or LearnRepo.com to find the most read blog posts about any technology.
iOS development involves creating applications for Apple's iOS operating system, which runs on iPhones and iPads. This field matters significantly because iOS devices hold a substantial market share, crucial for reaching a broad user base.
1. SwiftUI vs. UIKit: Choosing the Framework for Apple UI
Comparing SwiftUI and UIKit to help developers make an informed choice regarding the best framework for Apple UI.
2. Mastering UIView Geometry: A Dive into UIKit's Foundational Class and Geometry Concepts for iOS
The Geometry of UIView explained: Demystifying Frame vs. Bounds; Understanding Center and AnchorPoint; Mastering Transforms; Unraveling How Frame Is Computed
3. Keyboard Handling in iOS using Swift 5
“Handling Keyboard in iOS” — This has been a topic or rather a problem since the inception of iOS Development. Whether you are a beginner developer or an experienced one, you’ll always be dealing with the handling of keyboards in your apps! But there’s not just 1 issue with the keyboard that we are talking about here. We have to manually handle a couple of issues. Here, let me show you exactly what I mean -
4. How to Detect if an iOS Device is Jailbroken
Thanks to the mobile era we have mobile apps for everything these days. Every business from a barber shop to huge retailers has apps so that they can be closer to their customers. On one hand, we really leverage this convenience but on the other hand, there are risks of exposing a lot of confidential information while using these apps. And it becomes very vital when dealing with payments and other sensitive information.
5. How to Monitor Server Availability from a Mobile Application
How to Implement automated API availability analytics updates using InfluxDB.
6. How To Create A Slick iOS Widget In JavaScript
With a Scriptable app, it’s possible to create a native iOS widget even with basic JavaScript knowledge.
7. How to Add NSLocationAlwaysUsageDescription Key to Info.plist File in Your iOS App
We received a message from iOS App Team about adding NSLocationAlwaysUsageDescription key in Info.plist file. Our last build was rejected for this specific reason.
8. Implementing 'UICollectionView Compositional' Layout with Pinterest Section
You can use Collection Compositional Layout to define layouts that support dynamic content and varying item sizes.
9. Grand Central Dispatch (GCD) in iOS: The Developer's Guide
A Guide to Grand Central Dispatch (GCD) in iOS development
10. Hermes Performance on iOS Compared to JavaScriptCore (JSC)
Hermes is now available on iOS as of React Native 0.64 – the latest version of React Native comes with support for the Hermes engine on iOS. We describe the full process of bringing Hermes to iOS in a series of articles:
11. How to Use RunLoop in IOS Applications
Run Loop is a very important tool in iOS development. Let's explore how to use it.
12. Milliseconds Make Millions: How and Why to Speed Up Your App, from InDrive's Playbook
How faster mobile app startup improves revenue. Practical iOS performance techniques, metrics, and real optimization results from inDrive.
13. How to Add a TextField with a Mask for Phone Numbers in SwiftUI
SwiftUI doesn’t have phone mask tools. Therefore, you’ll need to use UIKit.
14. How We Built a Professional iOS Onboarding at inDrive
Discover how inDrive built a structured two-week iOS onboarding program that helps new developers master architectures, navigation, and workflows faster.
15. A Guide to NSOperation and NSOperationQueue in iOS Development
A guide to NSOperation and NSOperationQueue in iOS development
16. Why iOS Development on Windows isn't Worth It
Yes, it's possible to perform iOS app development on Windows PCs, but you shouldn't, and here's why.
17. Constants in Swift: A Quick Guide
In this article, we'll be looking at the concept of Constants in Swift.
18. Swift XCTest: setUp and tearDown Are Not Dead Yet
iOS developers may hate force unwraps and ignore how Apple tells us to write our unit tests (setUp and tearDown), but do we really know what we're doing?
19. Concurrent Requests in Swift Using DispatchGroup, RxSwift and Combine
Sometimes we need to make multiple asynchronous requests and get the result when all requests have finished. We can do this with DispatchGroup and RxSwift.
20. Developer Career Path: To Become a Team Lead or Stay a Developer?
by Oleg Sklyarov, Fullstack Developer at Skyeng company
21. Understanding Concurrency and Multithreading in iOS Development
An introduction to concurrency and multithreading in iOS development
22. How to Create UILabel With HTML Tags in UIKit and SwiftUI
A process of creating UILabel which handles HTML tags and links with normal and active states for both frameworks UIKit and SwiftUI.
23. Proper Navigation in SwiftUI With Coordinators: A Guide
Discover how the Coordinator pattern simplifies SwiftUI navigation. Centralize navigation logic and dependencies for cleaner, modular, and scalable code.
24. Enhance Your Code Architecture With SOLID Principles (with Swift Examples)
Learn how to apply SOLID principles in Swift with clear examples. Understand SRP, OCP, LSP, ISP, and DIP to write clean, scalable, and maintainable code.
25. How to Write Unit Tests in Xcode for iOS Projects: A Quick Guide
Here's a quick and easy guide to writing unit tests for iOS projects in Xcode.
26. Building a Simple, Scalable and Maintainable Design System
Make simple scalable and maintainable design system using Factory pattern with examples.
27. Getting Started With Apple's Vision Framework: A Developer's Perspective
Main scenarios of using Vision with code examples that will help you understand how to work with it, understand that it is not difficult and start applying it i
28. Getting High-Frequency Tennis Motion Data from Apple Watch [Part 1]
Build a tennis motion data collection app for Apple Watch and iPhone using this step-by-step guide.
29. Understanding the SwiftUI View Lifecycle and Data Management
Explore SwiftUI View lifecycle: from initialization to deinitialization, including state updates and rendering for optimized UI
30. Building a UDP Server & Client in Swift with Network.framework
Learn how to use Network.framework in Swift to build a UDP server and client for real-time networking in iOS.
31. Building Interactive Maps with Custom Markers in SwiftUI for iOS 17
With the release of iOS 17, Apple introduces an exciting enhancement to SwiftUI that revolutionizes how we add markers on maps.
32. The iOS Guide to Haptic Feedback
Discover how haptic feedback boosts mobile UX by adding tactile cues to digital interactions.
33. The AI Revolution Is Putting Flutter and React Native at Risk
34. Tuist Modularization With Code Generation and How to Get Started With "Helpers"
Initialize Tuist project and make maintainable project setup
Modularization, code generation, Tuist, Swift, Xcode.
35. Use Flutter UI inside iOS App Extensions
Learn how to add iOS app extensions in your app and use Flutter to build its UI instead of Swift or SwiftUI.
36. Mobile DevOps: Code Signing iOS Apps Automatically
In this tutorial, you will learn how to use the Xcode Archive & Export for iOS step to manage your iOS code signing assets, archives and export an .ipa.
37. Why Do SwiftUI Apps “Stutter”?
Learn how SwiftUI's Attribute Graph works under the hood. Understand re-evaluate vs re-draw, invalidation, and proven optimization techniques with code examples
38. Hacking Widgets the Apple Way
This article explores the philosophy of widget design, technical implementation, efficient widget updates, Smart Stack placement, layout tips, and inspiration.
39. A Look at the MVVM Design Patterns for iOS
Building iOS framework for multiple iOS applications using generic MVVM+C.
40. How We Turned the iPhone into a Laboratory Microscope with AI and BLE
Discover how an iPhone was transformed into a powerful laboratory microscope for real-time blood cell analysis using ML, Bluetooth and GRBL controller
41. How to Securely Log Users Out of iOS Apps with Inactivity Timeout
Many apps have a feature that automatically logs you out after a certain period of inactivity. Some apps log you out based on API inactivity, while others imple
42. Mastering Swift Structured Concurrency: Dive into Task and Asynchronous/Await
A practical guide to mastering Swift structured concurrency: learn how to work with Task, async/await, and avoid common pitfalls.
43. ARKit & LiDAR: Building Point Clouds in Swift (part 1)
A two-part article, where we build an ARKit-based iOS app to generate point clouds using LiDAR data.
44. Bypassing SSL Pinning with LLDB on AppStore iOS apps [A Step by Step Guide]
45. How To Integrate App Tracking Transparency with your iOS Unity Project
ByteSyze SDK covers iOS 14 compliant bases by integrating a custom App Tracking Transparency handler into your Unity iOS project for your ATT-dependent SDK's.
46. How to Become an iOS Developer: An Essential Guide
To become an iOS developer you must have the proper hardware and software, and learn the Swift and Objective-C programming languages.
47. Memory Management in Swift: Pointers, Object Creation, Copying, Binding, and Collections
Learn manual memory management in Swift with pointers, object creation, copying, binding, and collections—an essential guide for developers.
48. Display Hierarchical Data as List with Search Feature
Recently I faced an interesting task to display hierarchical data as a list for the iOS platform.
49. How A Solopreneur Used Influencer Marketing to Reach the iOS Top 100 List
How to market your way to the iOS top charts as a bootstrapped founder!
50. Getting High-Frequency Tennis Motion Data from Apple Watch [Part 2]
Accruing real tennis motion data from Apple Watch and exploring insights, including acceleration, rotation, and more.
51. How to Capture and Select Images in Jetpack Compose and KMP with ImagePickerKMP
ImagePickerKMP is an open-source cross-platform library for capturing and selecting images on Android, iOS, and Kotlin Multiplatform with Compose.
52. Meet the Writer: HackerNoon's Contributor Boris Bugor, Senior iOS Developer
Boris, an iOS Developer for more than five years, sits down with HackerNoon in a Meet the Writer interview.
53. Steve Jobs said: The most powerful person in the world is the storyteller
A study from Princeton shows the same parts of the brain light up in both the speaker and the listener of a story.
54. Understanding Parallel Programming: A Guide for Beginners
Discover the essentials of parallel programming for iOS development in this accessible guide.
55. Understanding Threads to Better Manage Threading in iOS
Using the Thread class in the fundamental way of managing threads in iOS.
56. How to Create Scrollable Lists with Protocol-Oriented Design & UICollectionViewCompositionalLayout
57. ARKit & LiDAR: Building Point Clouds in Swift (part 2)
A two-part article, where we build an ARKit-based iOS app to generate point clouds using LiDAR data.
58. Tricks for Using Async/Await in iOS Development
Discover how async/await revolutionizes iOS development by simplifying asynchronous code handling in Swift.
59. Protocol-Oriented Programming and Modifying UIKit Components Mimicking SwiftUI
Protocol-oriented programming is one of the most powerful and flexible tools for competent composition and distribution of responsibility in Swift.
60. How Apple Excels at the Art of Vibration When Others Don't Dare
In this post, you will get to know why Apple's Taptic engine was one of the best technical hardware improvisations of this decade.
61. Swift: Master of Decoding Messy json
The next time you’re faced with a messy API, remember: don’t let the backend dictate your frontend architecture.
62. Master iOS Multipeer Connectivity and Share Data Across Multiple Devices without Internet Access
Learn how to implement Multipeer Connectivity on Apple devices for direct data exchange without intermediaries.
63. ScreenSafe: A Technical Chronicle of On-Device AI and Privacy-First Architecture
Building local AI is hell. Here is the engineering roadmap for running privacy-first LLMs on iOS and Android.
64. How to Secure Intranet API with Custom Certificate Authority on iOS
In this guide, we will show you how to secure an intranet API with your own Certificate Authority (CA) and make it trusted on an iOS app.
65. State Management Using Protocol-Oriented Programming + Generics
Learn to manage object states using a protocol-oriented approach, generics, and predefined status transitions for a robust system.
66. Revolutionary User Interface Design: Tackling Cognitive Overload in Graphics Software
Reduce artist's cognitive overload in graphics design software using a simplified digital compositing node graph aka Pipeline.
67. PWA on iOS, Part 1: The Anatomy of an App That Doesn’t Exist in the App Store
Explore the history of PWAs, from Microsoft HTA to Apple’s reluctant iOS support, and why web apps still face limitations today.
68. Understanding Parallel Programming: Thread Management for Beginners
Thread management, Thread execution flags and Thread priority management tool. Let’s get started!
69. SwiftUI Previews in Objective-C: Simplifying Interactive Interface Development
How to integrate SwiftUI previews into your Objective-C project. And you can also get good helpers that will make previewing easier
70. How to Add a Dark Mode Toggle for iOS 18 - #30DaysOfSwift
For the eleventh post of the #30DaysOfSwift series, I am adding a Dark Mode Toggle to switch between Light/Dark modes in SwiftUI.
71. How to Build Your Xcode Project for Multiple Platforms Across the Apple Ecosystem
Learn how to build your Xcode Project for multiple platforms across the Apple Ecosystem.
72. Meet the Writer: HackerNoon Contributor Daria Leonova, iOS-Developer
Meet Dasha, a seasoned iOS developer turned tech writer, who shares insights into her journey from childhood dreams of journalism and accounting to writing tech
73. App Tracking Transparency in Swift. How to Implement? How to Retrieve IDFA?
74. What Founders Need to Know Before Selling a Subscription Business
75. How to Implement the Pull-to-Refresh Feature in iOS 18 - #30DaysOfSwift
Let's implement the pull-to-refresh feature in SwiftUI, a common gesture that enhances user experience by allowing users to refresh content easily.
76. How UIKit Really Handles Touches, Hit Testing, and the Main Run Loop
A deep dive into how iOS apps handle touch events through the responder chain, gesture recognizers, hit testing, and the main event loop.
77. How We Helped Bring Hermes to iOS in React Native 0.64
For a long time Hermes was exclusive to Android – it was optimized for running React Native apps on Android only. Now it’s finally available on iOS as well.
78. Apple iOS 14 Users Can Now Use Widgets: Here's Why You Need To Develop An iOS Widget For Your App
When iOS 14 was launched it turned out that the widgets were affected greatly. They became much smarter, faster, and accessible.
79. How We Launched Our First MVP in the iOS App Market
Follow the six-month journey of Max Nechaev, an iOS developer turned startup founder, as he shares insights and challenges involved in creating a startup.
80. How to Implement Progress Bars in iOS 18 - #30DaysOfSwift
Welcome to Day 19 of the #30DaysOfSwift series! Learn today about how to implement a progress bar in your SwiftUI app.
81. 25 Common iOS 16 Issues
Here are 25 common iOS 16 issues and how you can troubleshoot them.
82. Setting New Standards in Mobile Innovation: The Receipt Scanner Revolution by Vibhor Goyal
Vibhor Goyal's 2009 receipt scanner app revolutionized mobile expense tracking, earning recognition from AmEx and sparking a major tech acquisition.
83. Swipe, Tap, and Pinch Gestures in iOS 18 - #30DaysOfSwift
In my twelfth post of the #30DaysOfSwift series, let me tell you about the Gesture Recognizers in SwiftUI.
84. iOS 14 features Every Developer Must Know
Apple unveiled the latest version of its iOS operating system, iOS 14, at the WWDC keynote in June 2020.
85. iOS Developer Ravil Khusainov Plays a Major Role in New Apps' Success
Ravil Khusainov is the sole iOS developer at Lattis, a service that connects people with available scooters and bikes in their area.
86. How to Design Native Alerts in SwiftUI – #30DaysOfSwift Day 16
Learn how to create native alerts in SwiftUI for intuitive, accessible user interactions.
87. How Grand Central Dispatch Library Helps Organize Threads
Apple's Grand Central Dispatch library encapsulates thread management entirely, offering a simple interface based on queues and tasks instead.
88. Mobile Development Trends Every iOS Developer Should Know in 2022
Consider the main directions in mobile development and the most popular frameworks from Apple for the beginning of 2022.
89. Here's Why Polyglots Have an Advantage
If your company needed a real-time service tomorrow, could you evaluate Go versus Node.js versus Elixir objectively? Or would you default to what you know?
90. Developers Keep Ruining Apps with This Simple UI Blunder
The key to smooth performance is to offload non-UI tasks to background threads.
91. A Guide to Hiring iOS and Android Developers
Hiring mobile app developers can be your first step towards building a mobile app. Read this comprehensive guide to know how to hire iOS and Android developers.
92. Synchronization Challenges in Multithreading
This is the sixth part of a series on Parallel Programming for Beginners. In this article, we’ll explore real-world scenarios and their solutions.
93. "Mobile App Development Should be Painless" says Chen Fishbein, Codename One CTO
Interview with Chen Fishbein, co-founder and CTO of Codename One about startup life, cross platform mobile development and the origins of the company
94. 5 Best iOS 15 Features for Businesses
Here a few iOS 15 features below that can enhance your business workflow and smoothen your work processes.
95. Ditch AutoLayout, Speed Up Your App: The Old-School Trick That Works
Manual frame layout. Instead of relying on AutoLayout, you calculate and set frames explicitly. Yes, it means writing more code, but the tradeoff is speed.
96. Building Resilient iOS Apps: A Guide to Swift Optionals
Master Swift Optionals for safer, crash-free iOS development.
97. What Swift’s Playground Won’t Tell You About Concurrency
Discover how Swift’s task priorities and execution context impact the actual run order of your code. Real findings from Playground, XCTest, and production-like.
98. How to Build an iOS Application: A Guide for QA Engineers
You can download the project simply as an archive (using buttons 1 and 2 from the screenshot), but I recommend cloning it via the terminal using Git
99. iOS vs Android Mobile App Approval Process and How to Ace Both
So, you have done your best developing a super cool app. You already anticipate the downloads and the revenue stats awing you in pleasing curves. But there is always another small step to take before seeing your app in action - submitting it to the mobile platforms’ stores.
100. ColorScheme Related Color Without Assets
Dynamic SwiftUI.Color changing depending on the current ColorScheme by code without using assets or external dependencies
101. Bring Your Ideas to Life with the Best iOS App Development Tools
iOS development is not an easy task but is in high demand these days. Want to make your iOS App Development process easy? Use these development tools for easy.
102. A Guide to Understanding Variables in Swift
The only article you need to read to learn everything about variables in Swift.
Covering each and every concept revolving around variables in swift.
103. Asynchronous Programming in iOS: How to Speed Up Enterprise Apps Without Breaking Developers' Brains
Asynchronous programming is a way to organize work in iOS apps.
104. Changes in User Data Privacy, How to Implement: Recommendations from Ekaterina Besedina
Ekaterina Besedina, the Data & Measurement Lead-Expert, has vast experience adapting to new demands regarding user data privacy.
105. Writing Great Tech Specs for iOS Features: A Practical Guide
A tech spec document can act as a blueprint for building iOS features.
106. Performance Bottlenecks Hiding on the Client Side and How to Approach Them
I think having a proper understanding of the complexity that comes with various algorithms and data structures can make you a much better software engineer...
107. Typhoon Earns a 46 Proof of Usefulness Score by Building Robust Retry Policies for Asynchronous Swift Operations
Typhoon simplifies retry strategies for async Swift apps, improving reliability across Apple platforms, earning a 46 Proof of Usefulness score.
108. Optimizing Swift Code: Structure-Oriented Programming or Protocol-Oriented Programming?
Discover how structure-oriented programming leverages static dispatch for superior performance without sacrificing abstraction.
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