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scropple

3bceb4c · gmorell · 2026-06-27 14:54

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added .gitignore
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1 +*.iml
2 +.gradle
3 +/local.properties
4 +/.idea
5 +/build
6 +/app/build
7 +/captures
8 +.externalNativeBuild
9 +.cxx
10 +/.kotlin
added LICENSE.md
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1 +# GNU GENERAL PUBLIC LICENSE
2 +
3 +Version 3, 29 June 2007
4 +
5 +Copyright (C) 2007 Free Software Foundation, Inc.
6 +<https://fsf.org/>
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8 +Everyone is permitted to copy and distribute verbatim copies of this
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10 +
11 +## Preamble
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403 +### 8. Termination.
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464 +any patent claim is infringed by making, using, selling, offering for
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466 +
467 +### 11. Patents.
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469 +A "contributor" is a copyright holder who authorizes use under this
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517 +A patent license is "discriminatory" if it does not include within the
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531 +
532 +Nothing in this License shall be construed as excluding or limiting
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535 +
536 +### 12. No Surrender of Others' Freedom.
537 +
538 +If conditions are imposed on you (whether by court order, agreement or
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548 +
549 +### 13. Use with the GNU Affero General Public License.
550 +
551 +Notwithstanding any other provision of this License, you have
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558 +combination as such.
559 +
560 +### 14. Revised Versions of this License.
561 +
562 +The Free Software Foundation may publish revised and/or new versions
563 +of the GNU General Public License from time to time. Such new versions
564 +will be similar in spirit to the present version, but may differ in
565 +detail to address new problems or concerns.
566 +
567 +Each version is given a distinguishing version number. If the Program
568 +specifies that a certain numbered version of the GNU General Public
569 +License "or any later version" applies to it, you have the option of
570 +following the terms and conditions either of that numbered version or
571 +of any later version published by the Free Software Foundation. If the
572 +Program does not specify a version number of the GNU General Public
573 +License, you may choose any version ever published by the Free
574 +Software Foundation.
575 +
576 +If the Program specifies that a proxy can decide which future versions
577 +of the GNU General Public License can be used, that proxy's public
578 +statement of acceptance of a version permanently authorizes you to
579 +choose that version for the Program.
580 +
581 +Later license versions may give you additional or different
582 +permissions. However, no additional obligations are imposed on any
583 +author or copyright holder as a result of your choosing to follow a
584 +later version.
585 +
586 +### 15. Disclaimer of Warranty.
587 +
588 +THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
589 +APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
590 +HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT
591 +WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
592 +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
593 +A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND
594 +PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
595 +DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
596 +CORRECTION.
597 +
598 +### 16. Limitation of Liability.
599 +
600 +IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
601 +WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR
602 +CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
603 +INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
604 +ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT
605 +NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
606 +LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
607 +TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
608 +PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
609 +
610 +### 17. Interpretation of Sections 15 and 16.
611 +
612 +If the disclaimer of warranty and limitation of liability provided
613 +above cannot be given local legal effect according to their terms,
614 +reviewing courts shall apply local law that most closely approximates
615 +an absolute waiver of all civil liability in connection with the
616 +Program, unless a warranty or assumption of liability accompanies a
617 +copy of the Program in return for a fee.
618 +
619 +END OF TERMS AND CONDITIONS
620 +
621 +## How to Apply These Terms to Your New Programs
622 +
623 +If you develop a new program, and you want it to be of the greatest
624 +possible use to the public, the best way to achieve this is to make it
625 +free software which everyone can redistribute and change under these
626 +terms.
627 +
628 +To do so, attach the following notices to the program. It is safest to
629 +attach them to the start of each source file to most effectively state
630 +the exclusion of warranty; and each file should have at least the
631 +"copyright" line and a pointer to where the full notice is found.
632 +
633 + <one line to give the program's name and a brief idea of what it does.>
634 + Copyright (C) <year> <name of author>
635 +
636 + This program is free software: you can redistribute it and/or modify
637 + it under the terms of the GNU General Public License as published by
638 + the Free Software Foundation, either version 3 of the License, or
639 + (at your option) any later version.
640 +
641 + This program is distributed in the hope that it will be useful,
642 + but WITHOUT ANY WARRANTY; without even the implied warranty of
643 + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
644 + GNU General Public License for more details.
645 +
646 + You should have received a copy of the GNU General Public License
647 + along with this program. If not, see <https://www.gnu.org/licenses/>.
648 +
649 +Also add information on how to contact you by electronic and paper
650 +mail.
651 +
652 +If the program does terminal interaction, make it output a short
653 +notice like this when it starts in an interactive mode:
654 +
655 + <program> Copyright (C) <year> <name of author>
656 + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
657 + This is free software, and you are welcome to redistribute it
658 + under certain conditions; type `show c' for details.
659 +
660 +The hypothetical commands \`show w' and \`show c' should show the
661 +appropriate parts of the General Public License. Of course, your
662 +program's commands might be different; for a GUI interface, you would
663 +use an "about box".
664 +
665 +You should also get your employer (if you work as a programmer) or
666 +school, if any, to sign a "copyright disclaimer" for the program, if
667 +necessary. For more information on this, and how to apply and follow
668 +the GNU GPL, see <https://www.gnu.org/licenses/>.
669 +
670 +The GNU General Public License does not permit incorporating your
671 +program into proprietary programs. If your program is a subroutine
672 +library, you may consider it more useful to permit linking proprietary
673 +applications with the library. If this is what you want to do, use the
674 +GNU Lesser General Public License instead of this License. But first,
675 +please read <https://www.gnu.org/licenses/why-not-lgpl.html>.
added README.md
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@@ -0,0 +1,59 @@
1 +# Scropple (Android)
2 +
3 +Reads media playback via the system `MediaSessionManager` and scrobbles to
4 +Last.fm, ListenBrainz, and any number of custom HTTP backends. Kotlin ·
5 +Jetpack Compose · Room · WorkManager.
6 +
7 +## Build & run
8 +
9 +```sh
10 +./gradlew :app:assembleDebug # build debug APK
11 +./gradlew :app:installDebug # install on a connected device/emulator
12 +./gradlew :app:testDebugUnitTest # run the timing-engine unit tests
13 +```
14 +
15 +APK: `app/build/outputs/apk/debug/app-debug.apk`. Requires `local.properties`
16 +with `sdk.dir=...` (already present).
17 +
18 +## First-run setup
19 +
20 +1. Launch the app → **Home** → **Grant access** → enable Scropple under the
21 + system *Notification access* screen. This is what unlocks `MediaSessionManager`;
22 + it cannot be granted programmatically. Scropple does **not** read notification
23 + content — only structured media metadata.
24 +2. **Backends** → **Add** → configure Last.fm / ListenBrainz / HTTP.
25 +3. Play music in any audio app; **Home** shows now-playing, **History** shows the
26 + queue (pending vs delivered).
27 +
28 +> Last.fm needs app credentials: set `API_KEY` / `API_SECRET` in
29 +> `backend/LastfmBackend.kt` (register at https://www.last.fm/api/account/create).
30 +
31 +## Architecture
32 +
33 +| Package | Role |
34 +|------------|------|
35 +| `service` | `ScroppleListenerService` (notification-listener) + `MediaSessionWatcher` — detection (M1) |
36 +| `engine` | `Track`, `AppFilter` (video filtering), `ScrobbleSession`/`ScrobbleEngine` — timing state machine (M2) |
37 +| `backend` | `ScrobblerBackend` + Last.fm / ListenBrainz / HTTP impls, `BackendRegistry`, `Dispatcher` (M3, M5) |
38 +| `data` | Room dispatch queue, `BackendConfigStore` (encrypted), `AppPrefsStore` (M4) |
39 +| `work` | `QueueDrainWorker` — offline retry with backoff (M4) |
40 +| `ui` | Compose screens: Home / Backends / History / Settings (M6) |
41 +
42 +## Status
43 +
44 +- **M1 detection** — built (needs on-device verification of the grant + session callbacks).
45 +- **M2 timing engine** — built, **6 unit tests passing** (`ScrobbleSessionTest`).
46 +- **M3 Last.fm** — built; plug in API credentials and verify auth on device.
47 +- **M4 queue/retry** — built (Room + WorkManager).
48 +- **M5 ListenBrainz + HTTP** — built; fan-out to all enabled backends.
49 +- **M6 UI** — built (functional, not yet polished).
50 +
51 +## Known gaps / next steps
52 +
53 +- Verify end-to-end on a physical device (emulators rarely run real players).
54 +- Last.fm web-auth token flow (currently username/password `getMobileSession`).
55 +- Per-app allow/deny UI lists running players (Settings shows the deny-list only).
56 +- OEM battery-optimization guidance. An opt-in persistent (IMPORTANCE_MIN)
57 + status notification exists (Settings → "Persistent notification"); promoting it
58 + to a true foreground service would further help survival on aggressive OEMs.
59 +- Spotify metadata edge-cases; podcast/audiobook filtering.
added app/build.gradle.kts
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1 +plugins {
2 + alias(libs.plugins.android.application)
3 + alias(libs.plugins.kotlin.android)
4 + alias(libs.plugins.kotlin.compose)
5 + alias(libs.plugins.kotlin.serialization)
6 + alias(libs.plugins.ksp)
7 +}
8 +
9 +android {
10 + namespace = "org.neiam.scropple.app"
11 + compileSdk = 34
12 +
13 + defaultConfig {
14 + applicationId = "org.neiam.scropple.app"
15 + minSdk = 26
16 + targetSdk = 34
17 + versionCode = 1
18 + versionName = "0.1.0"
19 + }
20 +
21 + buildTypes {
22 + release {
23 + isMinifyEnabled = false
24 + proguardFiles(getDefaultProguardFile("proguard-android-optimize.txt"), "proguard-rules.pro")
25 + }
26 + }
27 +
28 + compileOptions {
29 + sourceCompatibility = JavaVersion.VERSION_17
30 + targetCompatibility = JavaVersion.VERSION_17
31 + }
32 + kotlinOptions {
33 + jvmTarget = "17"
34 + }
35 + buildFeatures {
36 + compose = true
37 + }
38 + packaging {
39 + resources {
40 + excludes += "/META-INF/{AL2.0,LGPL2.1}"
41 + }
42 + }
43 +}
44 +
45 +dependencies {
46 + implementation(libs.androidx.core.ktx)
47 + implementation(libs.androidx.lifecycle.runtime)
48 + implementation(libs.androidx.lifecycle.viewmodel.compose)
49 + implementation(libs.androidx.lifecycle.service)
50 + implementation(libs.androidx.lifecycle.runtime.compose)
51 + implementation(libs.androidx.activity.compose)
52 + implementation(libs.androidx.navigation.compose)
53 + implementation(libs.androidx.security.crypto)
54 + implementation(libs.androidx.datastore.preferences)
55 +
56 + implementation(platform(libs.compose.bom))
57 + implementation(libs.compose.ui)
58 + implementation(libs.compose.ui.tooling.preview)
59 + implementation(libs.compose.material3)
60 + implementation(libs.compose.material.icons)
61 + debugImplementation(libs.compose.ui.tooling)
62 +
63 + implementation(libs.kotlinx.coroutines)
64 + implementation(libs.kotlinx.serialization.json)
65 + implementation(libs.okhttp)
66 + implementation(libs.okhttp.logging)
67 +
68 + implementation(libs.androidx.room.runtime)
69 + implementation(libs.androidx.room.ktx)
70 + ksp(libs.androidx.room.compiler)
71 +
72 + implementation(libs.androidx.work.runtime)
73 +
74 + testImplementation(libs.junit)
75 +}
added app/proguard-rules.pro
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1 +# Keep kotlinx.serialization generated serializers.
2 +-keepclassmembers class **$$serializer { *; }
3 +-keepclasseswithmembers class * { @kotlinx.serialization.Serializable <fields>; }
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Parents: