Showing 20 of 1606 articles (Page 66 of 81)
Maya Reddy from Pinterest reveals how their team eliminated last-minute P1 bugs by automating ad metrics testing. The shift from bi-weekly manual QA to continuous integration transformed their release confidenc...
Dream11 built a mobile automation framework that tests 100M+ user experiences across iOS and Android simultaneously. Here's how they eliminated duplicate test code and slashed regression cycles.
Uber's Android team hit a wall: their profiling tools were either too slow or too inaccurate to debug real performance issues.
Robinhood's Android team cracked a tough modularization puzzle: how do you navigate between completely decoupled feature modules without creating dependencies?
Facebook just open-sourced Hermes, a JavaScript engine built specifically for React Native on Android. This isn't just another optimization tweak. It's a ground-up rethink of how JS should run on mobile.
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.