Three Minutes After the Screen Locked, My expo-audio Ambient Sound Went Silent
Why expo-audio stops playing when the screen locks, diagnosed as three separate layers: build config, audio session, and lock screen integration. The three-minute stop on Android is documented behavior.
The four acceptance checks I still run after the build turns green
A successful build does not mean a shippable build. Here are the four failure classes an AI build loop cannot see, and a dependency-free script that inspects the artifact itself before you submit.
The three places I had to fix before a Rork project actually targeted API level 36
My app.json said targetSdkVersion 36. The value my build actually read was 35. Here is the script that reports the effective value, and how I split my apps between raising, leaving alone, and requesting an extension.
Four Countries, Not the World: Checking Which of My Six Apps the September 30 Deadline Actually Touches
Android developer verification goes live on September 30, 2026 in Brazil, Indonesia, Singapore, and Thailand. Here's how to decide from your own install data whether that date is urgent for you, and what actually blocks indie developers.
Crashes Only in the Release Build — Rescuing Classes R8 Stripped in Expo (Android)
I turned on R8 code shrinking to slim down an AAB, and one screen started crashing only in production. Here is how I traced the stripped class through mapping.txt and added keep rules via expo-build-properties.
When Your Android Vitals ANR Rate Climbs: Notes on Keeping the Main Thread Free in React Native
How I traced and fixed a rising Android Vitals ANR rate in a Rork-built React Native app, plus the main-thread rules I rolled out across six apps in production.
Fixing the 'Signed With the Wrong Key' Error When Uploading a Rork App to Google Play
Your Rork app builds fine but Google Play rejects the upload with 'signed with the wrong key'? Here's how to tell which signing key is involved and the exact steps to fix it for each build setup.
Two Weeks of Maintenance After v2.1.0 — Running Crashlytics Triage Through Claude in Chrome
Notes from operating Beautiful 4K/HDR Wallpapers v2.1.0 and Ukiyo-e Wallpapers v1.8.0 through phased rollout. Defensive RecyclerView copies, Glide desugaring, drawable-nodpi placement, and what I now hand off to Claude in Chrome every morning.
Diagnosing 'Network request failed' That Only Hits Android Emulator in Rork
Your fetch returns fine in the iOS simulator but throws 'Network request failed' the moment you switch to Android. Here is the diagnosis order I use to separate localhost, cleartext, certificate, and proxy issues, with code that actually compiles.
Adding Slideshow and Page Jump to My Android Wallpaper Apps
Implementation notes from adding slideshow, a page-jump slider, and an ad-free option to the Android editions of Beautiful 4K/HDR Wallpapers and Ukiyo-e Wallpapers.
expo-haptics Silent on Production Builds in Rork — Simulator, Device, and Low Power Mode Pitfalls
Your Rork-generated app taps the favorite button and nothing happens on TestFlight — but Expo Go works fine. Lessons from a wallpaper indie shop on the five most common reasons expo-haptics goes silent, with working call patterns for each.
A month of running Rork and Claude on Xcode side by side — where each one ended up fitting
Notes from an indie developer who has shipped wallpaper apps on iOS and Android since 2014. After a month of keeping both Rork and Claude on Xcode open on the same desk, the work that fit each one turned out to be more obvious than I expected.