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App 2.42.1: the music check connects to no other app

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In the car, 2.42.0's check stopped the Bluetooth music and raised a
media-access prompt: binding every media browser service started the
car radio and the Local Media Player. The services are now only listed;
the active media sessions already carry the song of Bluetooth and
CarPlay without any connection.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01LhzAVaUyqcw5PkGjz4mWW6
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nils
2026-10-28 15:18:58 +01:00
co-authored by Claude Opus 5.5
parent f9154c051f
commit 9de9387460
6 changed files with 44 additions and 112 deletions
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SPECS.md
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@@ -140,6 +140,21 @@ tyre pressures, GPS (lat, lon, elevation, heading) and the is_* flags. It does *
confirmed car facts, app structure, UI conventions, build/test/ship, documents. It replaces
upstream's EVABRPUploader text. The test emulator is now in the flake: `nix run .#car-emulator`
(Android 9 AOSP at 1920×720, 160 dpi; the car build installs as the system user — checked).
- 2026-10-28 — App 2.42.1: **the music-sources check no longer connects to other apps' media
services.** In the car, 2.42.0's check (14:26, Bluetooth music playing) made the head unit ask
whether to allow access to media (the owner agreed) and **stopped the Bluetooth music**: it
connected to every media browser service, and among them the AOSP car radio's
(`com.android.car.radio/.RadioService`, which answered "connecting", most likely taking the
audio) and the Local Media Player (`com.android.car.media.localmediaplayer`, whose permission
request is most likely the question; it may now read media files). My claim that the check only
read was wrong: binding another app's service starts it. Now the services are only listed.
Nothing lost: the active sessions alone carried everything — **Bluetooth**
(`com.android.bluetooth`: title, artist, album, duration, track, cover as a file path, playing)
and **CarPlay** (`com.allgo.remoteui.mediabrowserservice`: title, artist, duration, paused) —
readable with MEDIA_CONTENT_CONTROL, no connection needed. Services on the car: CarPlay's,
Bluetooth A2DP, Local Media Player, the AOSP car radio, SAIC's radio (DAB, "Brillux Radio"),
SAIC's USB 1/2 and online media, and SAIC's video browser. Tests and lint pass; not run on the
emulator (stopped for low memory; the change only removes code); not tried on the car.
- 2026-10-28 — App 2.42.0 published (`car-2.42.0`).
- 2026-10-28 — App 2.42.0: **music-sources check** on the Logs tab (`MediaProbe`,
`MediaProbeText`; owner: "is it possible to show playing music in our dashboard as well?", then