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* Android: a reproducible F-Droid flavor with the web app bundled inside.fdroid-v1.6Adam Soltys2026-09-172-0/+91
| | | | | | | | | | | | | | | | | | | | The Android builds so far were shells around the live site: a verified APK proved nothing about the code that ran. The new `fdroid` flavor (io.coinos.fdroid) shares the WebView shell and carries the built web app in its assets. The page still lives at the v3.coinos.io origin — same storage, links and gift URLs — but every file under it is answered from the APK (Assets.java); only the site's live API paths reach the network, and the bundled page registers no service worker (HAL_NO_SW=1). Two clean unsigned builds give the same APK. COINOS_UNSIGNED=1 builds without the keystore; Bun is pinned via packageManager; the Gradle wrapper properties pin 8.12. fdroid/io.coinos.fdroid.yml is the fdroiddata recipe (checksum-pinned Bun in sudo, prebuild web build, scandelete, our signing key allowed for the Binaries match) and docs/REPRODUCIBLE.md the how-to. Verified on a phone: the bundled build cold-starts in airplane mode. Co-Authored-By: Claude Fable 5.1 <[email protected]> Claude-Session: https://claude.ai/code/session_01JuwQqNWtDJcxPWtEm9134z
* End to end over the real network, and the advice now fits the app it's in.Adam Soltys2026-09-121-0/+22
| | | | | | | | | | | | | | | | | | | | | | | | | | | A push sent to ntfy.sh reached a killed app on a real phone: 17:02:21.259 ntfy.sh → the phone's ntfy → broadcast to io.coinos.webview 17:02:21.308 app process started (it had been killed) 17:02:21.458 wake: job started 17:02:22.926 wake: finishing (page said so) — 1.7s, and "You were paid" One thing that took two goes: `adb shell am force-stop` marks a package STOPPED, and Android delivers no broadcasts to a stopped package unless the sender sets FLAG_INCLUDE_STOPPED_PACKAGES — which `am broadcast` does and a real distributor rightly doesn't. The first attempt looked like a failure and was a test artefact; `am kill`, which is what Android itself does to a backgrounded app, delivers fine. And the WebView build can now say something useful about push. It was inheriting the browser's line — "your browser has no push service, try Firefox" — which is nonsense inside a WebView that IS the app. It asks the host what's actually there and says: install a push app like ntfy (nothing installed), or wait a moment and reopen (a distributor that hasn't answered yet). Payments and messages still arrive whenever coinos is open, which is the part that matters most to someone reading an apology. Co-Authored-By: Claude Opus 5 (1M context) <[email protected]> Claude-Session: https://claude.ai/code/session_019mrt228Upn9nNCwGixzSLx
* Proven on a phone: woken from a cold stop in four seconds.Adam Soltys2026-09-122-4/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The whole chain, on real hardware, with the shipping APK installed: am broadcast → PushReceiver → expedited job → off-screen WebView → v3.coinos.io/?wake= → the wallet restored from its vault → CoinosHost.done() 15:49:52.341 schedule -> 1 15:49:52.390 job started (49ms later) 15:49:56.602 finishing (page said so) Four and a bit seconds from a force-stopped app to the page reporting it had dealt with the payload — not the timeout, the page. A notify payload raised the right notification too ("You were paid", "New message"), and the wallet it woke was one imported into the WebView build minutes earlier, restored from the vault in a process that had been killed. The payload no longer goes to logcat. It carries the user's push, and anything with ADB can read that. Unproven, and the one link I couldn't close here: the distributor handshake. There's no UnifiedPush distributor on this phone, so every push above was a broadcast I sent by hand — which is exactly what a distributor sends, but it isn't the same as watching ntfy do it. Co-Authored-By: Claude Opus 5 (1M context) <[email protected]> Claude-Session: https://claude.ai/code/session_019mrt228Upn9nNCwGixzSLx
* The wake had to be a job, not a foreground service — Android says so.Adam Soltys2026-09-124-142/+110
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Tested on a real phone, and the first attempt didn't work at all: Background started FGS: Disallowed [... code:DENIED ...] startForegroundService() not allowed due to mAllowStartForeground false Android 12 forbids starting a foreground service from a broadcast receiver. An expedited job is the sanctioned replacement — it runs promptly from the background and needs no notification of its own to apologise for existing — so WakeService is now WakeJob, and the notification is decided by what arrived rather than by whether we could wake: a payment or a message is news either way, a wallet-connect request the wallet answers by itself is not. Two more things the phone found. A job with a connectivity constraint needs ACCESS_NETWORK_STATE, or schedule() throws and nothing runs at all. And a wake with nothing to answer used to hold a WebView open for the full thirty seconds — a locked wallet, no wallet on the device, or no NWC connections all end the job immediately now. Also a bug worth naming: ctx carried `wakeDone` by shorthand, which captured the binding while it was still undefined (ctx is built before it's defined). The page could never say it had finished, so every wake ran its full timeout. It reads through a closure now, like its neighbour. Co-Authored-By: Claude Opus 5 (1M context) <[email protected]> Claude-Session: https://claude.ai/code/session_019mrt228Upn9nNCwGixzSLx
* A second Android build that can wake the wallet, because it holds it.Adam Soltys2026-09-123-0/+310
The TWA can't. Chrome renders the site, so the wallet's keys live in Chrome's storage for its own origin, and nothing outside Chrome can reach them — a UnifiedPush message could raise a notification and no more. On a phone with Google Play Services none of this matters; without it, background answering was simply unavailable. So: a second flavour, io.coinos.webview, "Coinos (UnifiedPush)". The wallet runs in a WebView this app owns, which means a push can start it off-screen and let it answer for itself. WakeService loads it with ?wake=<payload> into the same storage the visible app uses, the page subscribes and answers whatever the payload was about, then calls CoinosHost.done() so the service stops — capped at 25 seconds from the page and 30 from the service, because nothing here is allowed to sit in the background costing battery. Its foreground notification says what it's doing rather than apologising for existing. The WebView carries what the wallet actually needs: DOM storage and IndexedDB, the camera for the QR scanner (granted only once Android has granted it to us), a file chooser for attaching pictures, and links to anywhere but coinos.io handed to a real browser. The trade is named in the code and worth naming here: a separate app is a separate wallet. Its storage is its own, so signing in there is signing in again. That's why this is a second build rather than a replacement — the TWA is untouched, still the better browser for anyone whose phone has push. The shared push receiver now asks the system for whatever front door this build has, and asks a per-flavour Wake class whether the wallet can be woken at all — no flavour checks in the middle of it. Both APKs build and ship: coinos.apk as before, coinos-unifiedpush.apk beside it. Co-Authored-By: Claude Opus 5 (1M context) <[email protected]> Claude-Session: https://claude.ai/code/session_019mrt228Upn9nNCwGixzSLx