Android Developers

Interesting read on what it really takes to build and maintain a mobile platform, the trade-offs, responsibilities, and what differentiates platform teams from product teams https://mobilesystemdesign.substack.com/p/so-you-want-to-be-a-mobile-platform

Kotlin 2.3.0 is officially released. This update brings new language features, performance improvements, tooling updates and platform support like Java 25 on the JVM and enhanced Kotlin/Native and Wasm capabilities https://blog.jetbrains.com/kotlin/2025/12/kotlin-2-3-0-released/

A hands-on guide to making Android builds faster without new hardware, reuse an old laptop as a dedicated build setup and keep your main machine responsive https://medium.com/android-alchemy/stop-waiting-for-gradle-turn-your-old-laptop-into-an-android-kotlin-build-sanctuary-9e478588e3ac

Jetpack Compose December 2025 update landed. Now with pausable composition for smoother UI under load, a new retain API to hold complex state (like media players), and upgraded Material3, includes secure text fields, carousel, better pickers and more https://android-developers.googleblog.com/2025/12/whats-new-in-jetpack-compose-december.html

Good technical overview of the WorkManager, how it works under the hood, its core components, scheduling logic and typical use-cases, very useful if you build background tasks in Android https://proandroiddev.com/android-workmanager-a-complete-technical-deep-dive-f037c768d87b

How TravelPerk is using Compose Multiplatform to share UI code across platforms. The article walks through their process, trade-offs and lessons from real-world app development https://builders.travelperk.com/compose-multiplatform-at-perk-a-pragmatic-look-at-our-journey-so-far-fedd666e9726

Instead of repeating the same build scripts everywhere, use Gradle’s convention plugins, extract common configs once, then just apply the plugin in each module https://proandroiddev.com/stop-copy-pasting-build-logic-use-gradle-convention-plugins-instead-i-ce0eed95138d

Jake Wharton argues that AndroidX beta and RC versions are production-ready, their APIs are locked and they use strict versioning, so you shouldn’t be afraid to use them https://jakewharton.com/you-should-use-androidx-betas/

Big news, Jetpack Navigation 3 is now stable. It gives you full control of your back stack, works natively with Compose state, and supports adaptive layouts https://android-developers.googleblog.com/2025/11/jetpack-navigation-3-is-stable.html?m=1

A detailed breakdown of migrating a large Android app from Dagger to Koin Annotations 2.3. Explains module scanning, gradual migration, and keeping the app running throughout https://blog.insert-koin.io/migrating-now-in-android-to-koin-annotations-2-3-67d252dbb97d

Patreon’s Android team dives into how they migrated from ExoPlayer 2 to Media3, from the decision to rewrite the playback stack to the performance gains https://www.patreon.com/posts/from-exoplayer2-to-media3-143429708

Someone explains how they eliminated ANRs entirely from their Android app. An interesting read! https://www.reddit.com/r/androiddev/comments/1ospp2x/i_achieved_0_anr_in_my_android_app_spilling_beans/

Nice article that unpacks how Kotlin coroutines are implemented under the hood, how suspend functions get turned into state machines, how continuations work, and how structured concurrency fits in. https://proandroiddev.com/inside-kotlin-coroutines-state-machines-continuations-and-structured-concurrency-b8d3d4e48e62

Good overview of LitmusKt, a Kotlin concurrency testing tool from JetBrains Research. It shows how small ‘litmus tests’ can reveal subtle threading and memory issues across platforms https://blog.jetbrains.com/research/2025/10/litmuskt-concurrency-testing/

Found a good initiative to try to keep Android open http://keepandroidopen.org/

A thoughtful article about improving pull request reviews: it covers topics like focusing comments on meaningful issues, avoiding becoming a gatekeeper, and favouring changes that are actual improvements rather than perfect rewrites https://www.seangoedecke.com/good-code-reviews/

Here’s a really great read about how software quality is in decline. From excessive resource usage to fragile systems and how we let it slide. Definitely recommend checking it out! https://techtrenches.substack.com/p/the-great-software-quality-collapse

Great walkthrough on diagnosing memory leaks in Android. The article shows how LeakCanary works and how to interpret a leak trace. Really great read! https://engineering.block.xyz/blog/the-leakcanary-method