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Dev Mobile Hub publishes practical, easy-to-understand guides for mobile app developers. Our content focuses on Android, iOS, XR and adpative app development fundamentals, tools, performance optimization, and app store publishing best practices.

I let AI write part of my code — here’s where it worked and where it failed

For the past six months I’ve been deliberately using AI to write significant portions of production code for a mobile app. Not just autocomplete suggestions or small helper functions — actual features, full components, complex logic. I wanted to understand, in practical terms, where AI genuinely helps and where it creates more problems than it

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Apple, Google, and Samsung Are All Betting on On-Device AI

Apple, Google, and Samsung are all betting on on-device AI

Apple, Google, and Samsung are increasingly shifting AI features from the cloud to the device itself, signaling a major change in how smartphones handle artificial intelligence. Instead of sending everything to remote servers, more tasks are now processed directly on phones, tablets, and laptops. What on-device AI means On-device AI allows features like: to run

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Why responsive layouts still matter more than new form factors

Every year tech media gets excited about the next device category that’s supposedly going to change everything. Foldables! AR glasses! Wearables! Smart displays! And every year, mobile developers face the same question: should we redesign our apps for these new form factors? Here’s what rarely gets discussed in those breathless product announcements: while you’re optimizing

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AI in IDEs: what actually helps developers (and what gets in the way)

👨🏻‍⚖️ Let’s be honest: AI coding assistants have gone from novelty to ubiquity faster than we adopted dark mode. If you’re building mobile apps in 2026, you’ve probably already invited an AI co-pilot into your IDE. But after the initial honeymoon phase wears off, many developers find themselves asking: is this actually making me more

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Multi-window, multi-screen, multi-problem: lessons from real-world apps

Multi-window support sounds great in theory. Users can run apps side by side, resize freely, and multitask however they want. That what they want to do. In practice, it’s one of the fastest ways to expose weak assumptions in an app. Apps rarely break because multi-window is “hard.” They break because they were built for

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Building once, running everywhere: what multi-device really means in 2026

For years, “build once, run everywhere” sounded like a promise that never fully delivered. Apps behaved differently across phones, tablets, desktops, and TVs. Layouts broke, features felt awkward, and performance varied wildly. In 2026, that promise hasn’t magically come true — but it has become far more realistic. Multi-device development today isn’t about writing one

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How tools like Android Studio Gemini are changing day-to-day development

Remember when “AI in your IDE” meant glorified autocomplete? Those days are over. With Google integrating Gemini directly into Android Studio, we’re seeing a fundamental shift in how AI assistants understand and interact with our development workflow. This isn’t about better code completion—it’s about having a tool that actually understands the Android ecosystem from the

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Designing apps that actually feel good on phones, tablets, and foldables

Designing an app that works across devices is one thing. Designing an app that actually feels good on phones, tablets, and foldables is much harder. In 2026, users don’t just expect apps to resize. They expect them to adapt — to space, posture, input method, and context. When that doesn’t happen, the app feels awkward,

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