Showing 20 of 1581 articles (Page 65 of 80)
Igor Dudenkov from Revolut reveals how they built interactive 3D metal cards in iOS—without touching OpenGL or Metal frameworks. The secret? Apple's high-level SceneKit framework that made photorealistic card r...
Facebook built a JavaScript engine from scratch because existing ones weren't cutting it for mobile. Hermes prioritizes what actually matters: startup time, app size, and memory usage.
Ansgar Lin from Grindr Engineering discovered their app was crashing with OutOfMemoryErrors, and the culprit wasn't bad code. It was a tiny WebP image causing massive runtime memory allocation.
React Native 0.60 just dropped with changes so significant, they're calling it a migration milestone. If you're still manually linking native modules, this changes everything.
Jesse Wilson from Square just rewrote 25,000 lines of Java code in Kotlin without changing a single feature or fixing a single bug. Here's why that matters for your Android app.
ClassPass engineers faced a deceptively simple challenge: build an Apple Maps-style draggable list. The first attempt looked perfect—until users tried the continuous scroll.
Mootaz Ltaief from OLX Engineering put four popular Android JSON parsers head-to-head using Jetpack Benchmark. The results reveal a brutal tradeoff: the fastest parser costs you 1.1 MB of app size.
Trevor Phillips from Freeletics built a comprehensive GPS testing framework that improved location accuracy from 7% error down to 1.68%. Here's how they systematically validated every improvement.
Callstack tackles a common React Native challenge: managing multiple native iOS views without the usual headaches. This 2019 piece still holds valuable lessons for teams bridging native and JavaScript code.
Arinc Elhan from Connected2.me breaks down silent push notifications in iOS, and there's more to them than just background data delivery. Apple throttles them aggressively, and most developers don't know the li...
Callstack tackles one of React Native's toughest scaling challenges: building component libraries that actually work across teams. Most companies get this wrong and pay for it later.
Saurabh Arora from Viki reveals the video playback mistakes that shock users and kill engagement. Most Android apps get at least 3 of these wrong.
Alejandro Rodriguez Salamanca from Shopify reveals how manual mobile releases were killing their velocity. The solution? A platform that cut release cycles from 3 weeks to 1 week.
Minyoung Sim from LINE breaks down iOS code signing in forensic detail, revealing how Apple's security mechanism validates every app before execution. This isn't your typical overview.
Uber operates across 600+ cities on 4,500+ mobile carriers. Their HTTP/2 stack was failing users in lossy wireless networks.
Andrew Winata from Blibli shows how ditching raw SQLite queries for Room cut boilerplate code and made database operations type-safe at compile time. The migration took just a few strategic refactoring steps.
The Flutter and Chrome OS teams just made cross-platform development way more practical. Your Flutter mobile app can now become a desktop-class Chrome OS app with minimal effort.
Anthony Bullard from Flutter reveals why your widget tests might be lying to you. The culprit? FakeAsync zones that simulate time instead of experiencing it.
Gojek's driver app serves 2 million+ partners who depend on it for their daily income. When the app goes down for even an hour, drivers lose significant earnings—so a rewrite was high stakes.
Jesse Wilson from Square tackles a problem every mobile team knows too well: building everything twice. His solution? Stop treating iOS and Android as separate worlds.