High-performance app development: Common bottlenecks and how TripAdvisor measured its way to a faster app
TripAdvisor tracked bottlenecks and rebuilt their app for speed.
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Battery instrumentation at Facebook
Meta hunts down battery hogs in their apps to keep phones alive longer.
RxJava 1 -> RxJava 2 (Understanding the Changes)
In case you haven’t heard: RxJava 2 was released sometime back. RxJava 2 was a massive rewrite with breaking apis (but for good reasons).
RxJava 1 -> RxJava 2 (Disposing Subscriptions)
This was the part that I initially found most tricky to grasp but also most important to know as an AndroidDev (memory leak and all).
Detecting List Items Observed by User
Zalando tracks what users see in lists to sharpen performance and stats.
Mobile Crash Reporting at LinkedIn
LinkedIn keeps a tight watch on mobile crashes to stay smooth and steady.
LinkedIn Lite: A Lightweight Mobile Web Experience
LinkedIn built a slimmed-down mobile web version that still delivers.
Investigating React Native
Twitch tests React Native to unify code and speed up mobile dev.
Improving Swift Compilation Times from 12 to 2 Minutes
Zalando slashed Swift compile times from 12 minutes to just 2 with tweaks.
A/B Testing using Google’s Staged Rollouts
Twitch uses Google’s staged rollouts to A/B test video upgrades.
Build, Deploy, and Test Your Web App’s Performance
AWS Mobile Hub lets you build and test web app speed for free.
Crashcan: Building a Better Mobile Crash Analytics Platform
Crashcan (think trashcan, but for crashes) is Etsy's internal application for mobile crash analytics. We use an external partner to collect and store crash and exception data from our mobile apps
Offline First: Introducing TrueTime for Swift and Android
A common complaint we’ve heard from our shoppers is that when they’re deep in the aisles of a grocery store, the app is frequently held hostage to spotty network connectivity.
Improving Chat Rendering Performance
Twitch smooths chat rendering for a lag-free experience in streams.
Dynamic App Content: An Introduction to Truly Native Apps
Zalando crafts native apps that shift content dynamically for users.
Proper Use of CellForRowAtIndexPath and WillDisplayCell
Zalando optimizes iOS table views to render fast and feel smooth.
The Mobile Device Lab at the Prineville Data Center
Meta’s lab in Prineville hammers apps to ensure they perform anywhere.
Android: An Exercise in "Ship It"
Airbnb ships Android fast, embracing a bold “just do it” vibe.
Testing Mobile Apps Across Hundreds of Real Devices
AWS uses Appium to test apps on tons of real devices, no shortcuts.
Automatic memory leak detection on iOS
Meta’s tools auto-catch iOS memory leaks, saving devs tons of time.