ReadMeFeed / Community knowledge
Real questions. Useful conversations. Find the people who know your stack.
Mobile & games · #android
Learn how to combine two Android Rect objects into a bounding box using Rect.union, with steps for null safety, normalization, and verification. Note that union mutates the receiver.
Decide between coroutines, foreground services, AlarmManager, and WorkManager for Android background work, with a constrained upload example and concrete validation steps.
Step‑by‑step guide to diagnose why Expo push notifications aren’t appearing, with checks for tokens, listeners, credentials, and OTA updates, plus fixes and when to escalate.
Room can return a PagingSource directly from a DAO, and Paging 3 handles the incremental loading, diffing, and invalidation. Here's the minimal wiring, the cachedIn gotcha, and how to verify it.
A practical walkthrough of React Navigation v6 deep linking: the linking config, native setup on Android and iOS, a worked article/:id example, and the testing pitfalls that break most setups.
Realm queries return live, auto-updating results instead of static snapshots. Here's how that eliminates UI refresh plumbing, with a Kotlin example and the threading and file-growth caveats that come with it.
A decision guide to libGdx viewports: when FitViewport's letterboxing beats ExtendViewport's extra visible world, when ScreenViewport makes sense for UI, and how to implement and validate your choice.
Learn how to turn on Hermes, measure its impact on launch time and memory, and understand the trade‑offs involved.
A diagnostic guide for libGDX AssetManager failures: black/magenta textures, missing file exceptions, and async loading bugs. Covers path resolution, case sensitivity, Android asset packaging, texture constraints, and disposal order with ordered checks and fixes.
expo
reactnavigation
kotlin
realm
libgdx