Showing 20 of 1506 articles (Page 73 of 76)
Meta's iOS team achieved multi-second improvements in Facebook app startup by rethinking when work actually needs to happen.
Nick Tinsley from Squarespace shows how the same reactive programming patterns work across iOS, Android, and React Native. Think Excel formulas, but for your entire mobile app.
Facebook just dropped React Native for Android, completing the cross-platform puzzle that started with iOS earlier in 2015. Their first test? Building a production app used by millions of advertisers.
Android orientation changes are one of the most frustrating challenges for mobile engineers. When users rotate their device, Android destroys and recreates your Activities and Fragments, wiping out all member v...
Meta's iOS team faced a silent killer: crashes that left no trace, no stack trace, no clue. Just frustrated users and a mystery to solve.
Andrey Breslav from JetBrains tackles one of mobile development's biggest pain points: slow build times that kill developer productivity.
Pinterest engineers rebuilt their mobile onboarding experience and saw engagement metrics jump across the board. With 80% of users on mobile, they had to get this right.
Taylor Ledingham from Hootsuite reveals how their iOS team mastered Swift in just 90 minutes per week. When Apple dropped a completely new language in 2014, most developers panicked—but Hootsuite's Guild system...
Facebook processes thousands of mobile code changes weekly. How do they catch performance regressions before users feel the pain?
Facebook reveals why React Native emerged from a simple realization: the principles that made React successful on web could transform mobile development. This 2015 post captures the pivotal moment when declarat...
Crittercism handles more traffic than Google Search (50K vs 40K requests/second) with just 3 DevOps engineers. How do they pull this off?
John Bito from Zillow reveals how they cut home listing load times in half while making it easier to ship features across iOS, Android, and web. The secret? Rethinking how WebViews work in native apps.
Zain M., Engineering Intern at Yelp, turned a choppy mobile web animation into a buttery-smooth 60fps experience. The secret? Ditching the obvious CSS properties and rethinking how browsers handle rendering.
Duolingo shipped their first Swift app in 2015 and achieved a 0.2% crash rate. Here's what they learned building a high-stakes testing app where crashes cost users real money.
Ever wonder why Swift is faster than Objective-C? The answer lies in how it dispatches method calls, and the difference is more dramatic than you might think.
Ever lose a user the moment they install your app? That frustrating context loss between web and app has a surprisingly simple fix.
Tina Wen from Dropbox tackles a deceptively hard problem: how do you render tens of thousands of photos at 60fps without turning your app into a slideshow of gray squares?
Viraj Mody from Dropbox reveals how they built a mobile-to-desktop onboarding flow so seamless that users in testing didn't even notice the magic happening. Zero password typing required.
Kat from Dropbox discovered that slowing down their signup flow actually increased conversions. Counter-intuitive? Here's why it worked.
Dropbox engineers faced a brutal reality: reading 5,000 photos from SQLite took a full second on a Nexus 5. For users with 100,000+ photos, the standard approach would be unusable.