Optimize your app battery using Android vitals wake lock metric
Explains new Android Vitals wake-lock signal, how to detect & fix excessive partial wake locks to reduce battery drain.
Explore 384 articles on Android performance
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Accelerating our Android apps with Baseline Profiles
How Meta uses Baseline Profiles to speed cold start, scrolling, and navigation; reports up to 40% improvements.
You might be using Modifier.fillMaxSize() wrong (!)
Shows how careless sizing/layout choices degrade performance; patterns for efficient Compose layouts.
Top 5 mistakes that kill Compose performance
Practical pitfalls (e.g., recomposition triggers, layouts) and fixes to keep Compose UIs smooth.
Flow Layouts in Compose
Tradeoffs & best practices for FlowRow/FlowColumn; tips to keep layouts performant.
The evolution of native engineering at Tripadvisor: Part 2
In the first post in this series Benoit Sarrazin discussed the adoption of The Composable Architecture in our iOS app. He covered the reasons for this change, the benefits it brought, and the challenges we faced.
Recomposition Is Not a Bug — You Are
Opinionated guide to avoiding unnecessary recomposition; derivedStateOf, keys, etc.
Top 10 Compose Mistakes in Large-Scale Apps
Enterprise Compose pitfalls (state hoisting, keys, compiler reports) with fixes.
From Biology to Code: How Android’s Zygote Enables Fast and Efficient App Launching
Clear deep-dive on Zygote preload/fork pipeline and its startup/perf impact.
Cancellable Flows in Kotlin Coroutines: The Complete Guide
Flow cancellation patterns (timeout, takeWhile, cancellable, first) & perf notes.
Our Buildkite Brings All the Devs to the Yard: (Re)Building Reddit Mobile CI in 2025
Reddit Mobile CI overhaul: up to 50% faster build times, improved stability and developer sentiment; details on infra choices and trade-offs. (Reddit)
What’s new in the Jetpack Compose August ’25 release
Compose 1.9: improved list prefetching & cache window APIs, visibility callbacks—noticeable scroll/UI performance gains.
Find & fix memory leaks in Kotlin Coroutines
Leak patterns with structured concurrency & scopes; debugging strategies and tools.
Improve initial loading state in Compose
Startup/loading UX patterns that avoid jank and wasted work while the first screen initializes.
Build better apps using Perfetto and Artemis
How to set up Perfetto + Artemis for app tracing; turning traces into actionable dashboards.
Accelerating on-device ML on Meta’s apps with ExecuTorch
WhatsApp/Messenger moved key models on-device; reduced model load & inference time and improved ANR metrics. (Engineering at Meta)
Accelerating on-device ML on Meta’s family of apps with ExecuTorch
ExecuTorch rollout across Instagram/WhatsApp/Messenger/Facebook improved latency and reliability; WhatsApp reports reduced model load/inference time and lower ANR metrics; several features moved on-device for performance/privacy. (Engineering at Meta)
Achieving native-like speed: boosting Android WebView performance by 100%+
TikTok’s real-world WebView perf wins: preloading, cache strategy, threading & metrics.
Transforming App Security from Necessary Evil to Performance Advantage
Guardsquare’s CPO shows how profile-based config can improve perf & security together. (droidcon, droidcon nyc 2025)
Tracking app responsiveness at scale using JankStats
How to roll out JankStats across large fleets; sampling, thresholds & dashboards. (droidcon)