#iosdevelopment

Stop Winging It: iOS State Management Strategies Interviewers Actually Ask About Real Q&A, working Swift code, and the mental models that separate senior engineers from the rest — all in one deep dive.

1 week ago

I just published Stop Winging It: iOS State Management Strategies Interviewers Actually Ask About medium.com/p/stop-wingi...
#iOSDevelopment #Swift #StateManagement #SwiftUI #MVVM #TCA #iOSInterview #MobileEngineering #Combine #SwiftConcurrency #SoftwareArchitecture #iOSArchitecture

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Chris

@drchrisdillon.bsky.social

2 weeks ago

Screenshot of a barometer app showing in an international orange NASA-esque aesthetic declining air-pressure over a 12 hour period.

My App Pascal is now available on the App Store -- It's a fully offline barometer to track air-pressure, and I think it looks a lot nicer than all the other barometer apps on the App Store.

apps.apple.com/app/id675933...

#iosapp #barometer #weatherapp #iosdevelopment

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They Asked Me “How Do You Abstract Your Data Layer?” The Repository Pattern in Swift: clean architecture, real code, and the interview answers that separate mid-level developers from seniors

2 weeks ago

I just published They Asked Me ‘How Do You Abstract Your Data Layer?’ medium.com/p/they-asked...
#iOSDevelopment #Swift #CleanArchitecture #RepositoryPattern #iOSInterview #MVVM #SwiftUI #Combine #SwiftConcurrency #MobileDevelopment #SoftwareArchitecture #TechInterview #iOSDev #CoreData #URLSession

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Mark Jack

@markjackmilian.bsky.social

2 weeks ago

Gain insights into capturing HTTPS packets on the iPhone! Learn step-by-step techniques from overcoming capture issues to pinpointing problems. Ideal for developers and network analysts. #iOSDevelopment #NetworkMonitoring

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Mr. Hotfix

@mrhotfix.bsky.social

3 weeks ago

Many iOS bugs don’t come from complexity.
They come from misunderstanding memory semantics.

Structs copy.
Classes share.

Shared state without intent creates silent coupling.

Prefer value semantics. Use reference only when identity truly matters.

#Swift #iOSDevelopment #CodeQuality #Programming

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@chaosology.bsky.social

3 weeks ago

Speed. Security. Scalability. Mobile apps built for real business impact.
#Chaosology #MobileDevelopment #AppDevelopment #CrossPlatformApps #iOSDevelopment #AndroidDevelopment #SecureApps #DigitalInnovation #TechSolutions
zurl.co/Y2Xf
zurl.co/OOWSy

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Mr. Hotfix

@mrhotfix.bsky.social

3 weeks ago

Most new programmers focus on syntax.
But real bugs usually start in state.
If values can change anytime, reasoning becomes hard — and fragile systems follow.
Senior engineers don’t just write code. They design constraints.
#Swift #iOSDevelopment #SoftwareEngineering #CodeQuality #LearnProgramming

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Stop Hardcoding Your Dependencies: The iOS Developer’s Complete Guide to Dependency Injection Every senior iOS engineer gets asked this in interviews. Here’s exactly what to say — and the Swift code to back it up.

3 weeks ago

I just published Stop Hardcoding Your Dependencies: The iOS Developer’s Complete Guide to Dependency Injection medium.com/p/stop-hardc...
#iOS #iOSDevelopment #Swift #DependencyInjection #SwiftUI #iOSInterview #CleanArchitecture #SOLID #ProtocolOrientedProgramming #MobileDevelopment #Swinject

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deconspray

@deconspray.bsky.social

3 weeks ago

Making an iOS E-Commerce Product List Accessible to VoiceOver and Beyond | Axess Lab For a webinar on November 11, I wanted to show how I code and test iOS apps using VoiceOver as a blind developer. To make…

Accessibility is product quality. This excellent article by Diogo Melo shows how to make iOS e-commerce product lists truly usable with VoiceOver, and why it matters beyond compliance.

buff.ly/cQeX97r

#DigitalAccessibility #iOSDevelopment #VoiceOver #InclusiveDesign #UXDesign #AccessibilityMatters

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richmurrills

@rich.murrills.com

3 weeks ago

My new App, #IBD Diary has been reviewed by Apple and is ready for it's release on the App Store! It's been a labour of love and has taken me nigh on two years but finally got here. Releasing shortly.

#AppStore #IosDevelopment

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AdwaitX

@adwaitx.bsky.social

3 weeks ago

Xcode 26.4 Beta: Apple’s Latest SDK Brings Critical Testing Window for Developers Apple released Xcode 26.4 beta (build 17E5159k) on February 16, 2026, providing developers with immediate SDK access for testing against the latest platform updates.

Xcode 26.4 beta drops with iOS 26.4 SDK access GPT-5 and Claude AI coding, 40% faster workspaces, and critical testing window before public release. #AdwaitX #Xcode26 #AppleDeveloper #iOSDevelopment

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@chaosology.bsky.social

1 month ago

We design and develop high-performance Android & iOS mobile applications tailored to your business goals.
#MobileAppDevelopment
#AppDevelopment
#AndroidDevelopment
#iOSDevelopment
#StartupTech

..Visit our website: zurl.co/Y2Xf
Book Now: zurl.co/OOWSy

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SOLID Principles in iOS Development: Complete Interview Guide for Junior to Mid-Level Developers Practical answers to the most common iOS interview questions about SOLID principles, with production-ready Swift code samples that…

1 month ago

I just published SOLID Principles in iOS Development: Complete Interview Guide for Junior to Mid-Level Developers medium.com/p/solid-prin...
#iOS #iOSDevelopment #Swift #SOLIDPrinciples #CleanCode #iOSArchitecture #MobileDevelopment #TechnicalInterview #CodingInterview #SoftwareEngineering

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Clean Architecture in iOS: Understanding Layers and Responsibilities for Junior Developers Master the fundamental principles of Clean Architecture with practical Swift examples, common interview questions, and proven answers that…

1 month ago

I just published Clean Architecture in iOS: Understanding Layers and Responsibilities for Junior Developers medium.com/p/clean-arch...
#iOS #CleanArchitecture #iOSDevelopment #Swift #SwiftUI #SoftwareArchitecture #iOSInterview #CodingInterview #MobileDevelopment #SoftwareEngineering #iOSTips

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Pure Tech

@puretech.news

1 month ago

I used Xcode 26.3 to build an iOS app with my voice in just two days - and it was exhilarating Want to see what agentic coding really feels like? Come along on my wild, wonderful, and terrifying two-day vibe coding adventure with Xcode 26.3.

I used Xcode 26.3 to build an iOS app with my voice in just two days - and it was exhilarating #Technology #SoftwareandApps #MobileApps #iOSDevelopment #Xcode #VoiceTechnology

www.zdnet.com/article/xcode-26-3-vibe-...

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Vlad Khambir

@khambir.bsky.social

1 month ago

The iOS Weekly Brief – Issue #46 Agentic workflows in Xcode, Observation framework deep dives, and why your SwiftUI animations break

The iOS Weekly Brief – Issue #46

vladkhambir.substack.com/p/the-ios-we...

#TheiOSWeeklyBrief #iOS #Swift #SwiftUI #Xcode #Apple #iOSDevelopment #AIAgent #macOS

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Supporting JPEG-XL compression in Apple ProRAW Capture Pinpoint some trouble you may encounter when supporting JPEG-XL

1 month ago

📷 𝑆𝑢𝑝𝑝𝑜𝑟𝑡𝑖𝑛𝑔 𝐽𝑃𝐸𝐺-𝑋𝐿 𝑐𝑜𝑚𝑝𝑟𝑒𝑠𝑠𝑖𝑜𝑛 𝑖𝑛 𝐴𝑝𝑝𝑙𝑒 𝑃𝑟𝑜𝑅𝐴𝑊 𝐶𝑎𝑝𝑡𝑢𝑟𝑒 by Weichao Deng

Want to reduce 48MP ProRAW file sizes without sacrificing quality? Discover how to enable JPEG-XL compression in your camera app and navigate an undocumented 𝐴𝑉𝐹𝑜𝑢𝑛𝑑𝑎𝑡𝑖𝑜𝑛 API.

#AVFoundation #ProRAW #iOSDevelopment

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iOS Native Build Systems and Dependency Management: Interview Questions That Will Test Your… Essential iOS interview Q&A on Xcode build system, SPM, CocoaPods, and dependency management. Real questions with expert answers.

1 month ago

I just published iOS Native Build Systems and Dependency Management: Interview Questions That Will Test Your… medium.com/p/ios-native... #iOSDevelopment #Swift #Xcode #SwiftPackageManager #CocoaPods #iOSInterview #TechInterview #AppleDevelopment #MobileDevelopment #BuildSystems #DependencyManagement

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Non-Sendable First Design The easiest way to design concurrent systems in Swift was hiding in plain sight.

1 month ago

🔄 𝑁𝑜𝑛-𝑆𝑒𝑛𝑑𝑎𝑏𝑙𝑒 𝐹𝑖𝑟𝑠𝑡 𝐷𝑒𝑠𝑖𝑔𝑛 by Matt Massicotte (@massicotte.org)

Should you start with non-sendable types before adding isolation? Explore a simpler approach to Swift Concurrency design.

#Swift #Concurrency #iOSDevelopment

massicotte.org/blog/non-sen...

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Copy-on-write teaches you EVERYTHING about Swift Internals 🐮 isKnownUniquelyReferenced through the standard library, compiler, and runtime

1 month ago

🐮 𝐶𝑜𝑝𝑦-𝑜𝑛-𝑤𝑟𝑖𝑡𝑒 𝑡𝑒𝑎𝑐ℎ𝑒𝑠 𝑦𝑜𝑢 𝐸𝑉𝐸𝑅𝑌𝑇𝐻𝐼𝑁𝐺 𝑎𝑏𝑜𝑢𝑡 𝑆𝑤𝑖𝑓𝑡 𝐼𝑛𝑡𝑒𝑟𝑛𝑎𝑙𝑠 by Jacob Bartlett (@jacobstechtavern.com)

Trace 𝑖𝑠𝐾𝑛𝑜𝑤𝑛𝑈𝑛𝑖𝑞𝑢𝑒𝑙𝑦𝑅𝑒𝑓𝑒𝑟𝑒𝑛𝑐𝑒𝑑() from Standard Library through AST, SIL, and LLVM IR to Swift Runtime - how CoW works at every compiler layer.

#Swift #CompilerTheory #iOSDevelopment

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Rendering Markdown in SwiftUI Learn how to render Markdown in SwiftUI using Text and AttributedString

1 month ago

📝 𝑅𝑒𝑛𝑑𝑒𝑟𝑖𝑛𝑔 𝑀𝑎𝑟𝑘𝑑𝑜𝑤𝑛 𝑖𝑛 𝑆𝑤𝑖𝑓𝑡𝑈𝐼 by Artem Novichkov

𝑆𝑤𝑖𝑓𝑡𝑈𝐼 supports Markdown out-of-the-box since iOS 15, but can you color text directly without 𝐴𝑡𝑡𝑟𝑖𝑏𝑢𝑡𝑒𝑑𝑆𝑡𝑟𝑖𝑛𝑔? Discover built-in formatting and its surprising limitations.

#SwiftUI #Markdown #iOSDevelopment

artemnovichkov.com/blog/renderi...

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App Permissions and Security Basics: Essential iOS Interview Questions with Expert Answers Nail your iOS interview with expert answers on permissions, Keychain, App Transport Security, and iOS security best practices.

1 month ago

I just published App Permissions and Security Basics: Essential iOS Interview Questions with Expert Answers medium.com/p/app-permis...
#iOS #iOSDeveloper #Swift #iOSSecurity #AppSecurity #MobileSecurity #iOSInterview #TechInterview #AppleDeveloper #Keychain #Biometrics #SwiftUI #iOSDevelopment

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Reverse masking in SwiftUI using blend modes → Livsy Code Greetings, traveler! SwiftUI gives us mask(_:), which works well when you want to reveal part of a view. What it does not give us is the inverse version — a way to cut shapes out of a view and let…

1 month ago

🎨 𝑅𝑒𝑣𝑒𝑟𝑠𝑒 𝑚𝑎𝑠𝑘𝑖𝑛𝑔 𝑖𝑛 𝑆𝑤𝑖𝑓𝑡𝑈𝐼 𝑢𝑠𝑖𝑛𝑔 𝑏𝑙𝑒𝑛𝑑 𝑚𝑜𝑑𝑒𝑠 by Artem Mirzabekian

Need to cut transparent holes through surfaces in 𝑆𝑤𝑖𝑓𝑡𝑈𝐼? Implement reverse masking using blend modes and 𝑐𝑜𝑚𝑝𝑜𝑠𝑖𝑡𝑖𝑛𝑔𝐺𝑟𝑜𝑢𝑝().

#SwiftUI #iOSDevelopment

livsycode.com/swiftui/reve...

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AI App Development: What I Learned in One Month Dive into my journey of AI App Development, where I rapidly transformed an idea into a thriving app using powerful AI tools.

1 month ago

🤖 𝐴𝐼 𝐴𝑝𝑝 𝐷𝑒𝑣𝑒𝑙𝑜𝑝𝑚𝑒𝑛𝑡: 𝑊ℎ𝑎𝑡 𝐼 𝐿𝑒𝑎𝑟𝑛𝑒𝑑 𝑖𝑛 𝑂𝑛𝑒 𝑀𝑜𝑛𝑡ℎ by Antoine van der Lee (@avanderlee.com)

Building with AI agents moves fast - but what are the hidden costs? Five critical lessons from the first month of serious AI-assisted development.

#AI #Swift #iOSDevelopment

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iOS Interview Guide: Testing Fundamentals — Unit Tests vs UI Tests Learn iOS testing fundamentals with expert sample answers for unit tests vs UI tests interview questions.

1 month ago

I just published iOS Interview Guide: Testing Fundamentals — Unit Tests vs UI Tests medium.com/p/ios-interv...
#iOS #iOSDevelopment #XCTest #XCUITest #UnitTesting #UITesting #Swift #iOSInterview #MobileDevelopment #TestDrivenDevelopment #iOSTips #CodingInterview #SoftwareTesting #AppleDeveloper

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Vlad Khambir

@khambir.bsky.social

1 month ago

The iOS Weekly Brief – Issue #45 Swift goes Windows, AI speeds you up (and breaks you faster), linking choices that actually matter, and why your pickers keep surprising you in prod.

The iOS Weekly Brief – Issue #45

open.substack.com/pub/vladkham...

#TheiOSWeeklyBrief #iOS #Swift #SwiftUI #Xcode #Apple #iOSDevelopment #AIAgent #macOS

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Approov Mobile Security

@approov.bsky.social

1 month ago

Beyond the Hardware: Why Key Attestation Is Just a Receipt, Not a Security Strategy Beyond the Hardware: Why Key Attestation Is Just a Receipt, Not a Security Strategy In this episode of Upwardly Mobile, we dive deep into the often-misunderstood world of mobile app security to debunk the myth that hardware-backed key attestation is a "silver bullet." Drawing from expert analysis by Approov, Oasis, and community discussions, we explore why relying solely on Apple’s App Attest or Google’s Play Integrity can leave your APIs vulnerable to sophisticated attacks like device farming and runtime instrumentation. We explain why attestation is merely a "snapshot" in time and how to implement a true defense-in-depth strategy. Key Takeaways: - The Hardware Myth: Companies like Google and Apple promote hardware-backed key attestation (using TEEs or Secure Elements) as a primary security measure, but this approach has critical limitations when used in isolation. While it proves a cryptographic key is stored in secure hardware, it does not guarantee the integrity of the app calling that key or the user operating it. - The "Receipt" Analogy: Remote attestation is effectively just a receipt proving that a specific binary ran on specific hardware at a specific moment. It fails to prove that the state hasn't been rolled back, that the operator isn't malicious, or that the inputs haven't been manipulated since that snapshot was taken. - The Threat of Device Farms: Attackers can physically amass legitimate iPhones in "Device Farms" to generate valid App Attest tokens. These tokens are then sold via APIs to bots, allowing scripts to impersonate genuine devices and bypass standard hardware checks. - Runtime Manipulation: Tools like Frida and Magisk allow hackers to hook into API calls and forge attestation results or manipulate the application's behavior after the boot process. Without Runtime Application Self Protection (RASP), a validly attested device can still run a compromised app. - The Solution is Multi-Layered: Effective security requires moving verification off the device to the cloud and implementing dynamic checks. A robust strategy includes RASP, dynamic certificate pinning, and cloud-based mobile attestation that verifies the app's integrity continuously, not just at boot. Featured Resources & Source Material: - Article: https://approov.io/blog/limitations-of-hardware-backed-key-attestation-in-mobile-security – An analysis of why verification must always occur off-device. - Article: https://approov.io/blog/how-to-defeat-apple-devicecheck-and-appattest – A technical look at how hackers bypass iOS security using instrumentation and device farms. - Community Insight: https://dev.to/adityasingh_32/tee-attestation-isnt-trust-its-just-a-receipt-2m3k – A breakdown of why attestation does not equal trust. - Deep Dive: https://oasis.net/blog/tee-attestation-is-not-enough – Exploring the nuances of remote attestation within trust systems. - Definition: https://en.wikipedia.org/wiki/Trusted_execution_environment – Understanding the history and hardware behind TEEs. Sponsored By: This episode is brought to you by Approov. Approov Mobile Security provides a comprehensive solution that goes beyond simple attestation. By combining RASP, dynamic certificate pinning, and cloud-based verification, Approov ensures that only genuine, untampered instances of your app can access your APIs. - Website: https://approov.io/ - Talk to an Expert: https://approov.io/product/demo - Check Your Security: https://approov.io/product/assessment Keywords: Mobile Security, API Security, App Attestation, RASP, Device Farms, Man-in-the-Middle Attacks, Jailbreak Detection, Apple App Attest, Google Play Integrity, Approov, Cybersecurity, Trusted Execution Environment (TEE).

📣 New Podcast! "Beyond the Hardware: Why Key Attestation Is Just a Receipt, Not a Security Strategy" on @Spreaker #androiddev #apisecurity #approov #appsec #iosdevelopment #mobilesecurity

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