Files
jellytau/scripts/sync-android-sources.sh
dtourolle 20e683d705 feat(android): conformance on a device, and a start position for ExoPlayer
DR-247. The desktop suite cannot reach ExoPlayer: it needs an Android Context
and a Looper, so it exists only inside an app process. These are the same
behaviours, asserted against the engine itself.

Writing them forced the same gap open that mpv had. JellyTauPlayer.load(url,
mediaId) had no way to express a start position, so every caller loaded and
then seeked — the test could not even be written against the old signature,
which is a stronger statement than a failing assertion. The position now goes
to ExoPlayer with the media item via setMediaItem(item, startPositionMs), and
the two-argument form delegates to it, so nothing else had to change.

Running one suite against both engines settled something guesswork could not:

  seekWhileOpeningIsHonoured  passes on ExoPlayer with no fix

ExoPlayer already queues a seek issued before prepare() completes. So the
lost-seek half of DR-241 was mpv-specific, and only the missing vocabulary for
a start position was shared. That is the difference between "both engines have
this bug" and knowing which one does.

All seven cases pass on device (ROD2-W09, arm64).

The fixture is a silent WAV synthesised in the cache directory at setup rather
than committed or pushed: no binary in the repo, no adb step, and an exact
duration, which the seek assertions depend on.

Also adds the instrumentation runner to defaultConfig and teaches
sync-android-sources.sh to mirror src/androidTest, the way it already mirrors
src/test — so the canonical tree stays the only place tests are edited.

Run: ./gradlew :app:connectedUniversalDebugAndroidTest -x :app:rustBuildUniversalDebug
2026-08-22 21:32:59 +02:00

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#!/bin/bash
# Sync Android source files from src-tauri/android to src-tauri/gen/android
# This ensures the generated build directory has the latest source files
set -e
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(dirname "$SCRIPT_DIR")"
SOURCE_DIR="$PROJECT_ROOT/src-tauri/android/src/main/java/com/dtourolle/jellytau"
TARGET_DIR="$PROJECT_ROOT/src-tauri/gen/android/app/src/main/java/com/dtourolle/jellytau"
echo "Syncing Android sources..."
echo " From: $SOURCE_DIR"
echo " To: $TARGET_DIR"
# Create target directory if it doesn't exist
mkdir -p "$TARGET_DIR"
# Remove old copies of player and security directories
rm -rf "$TARGET_DIR/player" "$TARGET_DIR/security"
# Copy the directories
cp -r "$SOURCE_DIR/player" "$TARGET_DIR/"
cp -r "$SOURCE_DIR/security" "$TARGET_DIR/"
# JVM unit tests (src/test). Plain JUnit over the pure decision helpers — no
# Android framework classes — run with `./gradlew :app:testDebugUnitTest` from
# gen/android. Mirrored here so the canonical tree stays the only place tests
# are edited.
TEST_SOURCE_DIR="$PROJECT_ROOT/src-tauri/android/src/test/java/com/dtourolle/jellytau"
TEST_TARGET_DIR="$PROJECT_ROOT/src-tauri/gen/android/app/src/test/java/com/dtourolle/jellytau"
if [ -d "$TEST_SOURCE_DIR" ]; then
rm -rf "$TEST_TARGET_DIR"
mkdir -p "$TEST_TARGET_DIR"
cp -r "$TEST_SOURCE_DIR"/. "$TEST_TARGET_DIR/"
echo " Copied unit tests: src/test"
fi
# Instrumented tests (src/androidTest). These need a device: they drive
# ExoPlayer, which requires an Android Context and a Looper and therefore
# cannot run from the desktop conformance suite. Run with
# `./gradlew :app:connectedDebugAndroidTest` from gen/android.
ANDROID_TEST_SOURCE_DIR="$PROJECT_ROOT/src-tauri/android/src/androidTest/java/com/dtourolle/jellytau"
ANDROID_TEST_TARGET_DIR="$PROJECT_ROOT/src-tauri/gen/android/app/src/androidTest/java/com/dtourolle/jellytau"
if [ -d "$ANDROID_TEST_SOURCE_DIR" ]; then
rm -rf "$ANDROID_TEST_TARGET_DIR"
mkdir -p "$ANDROID_TEST_TARGET_DIR"
cp -r "$ANDROID_TEST_SOURCE_DIR"/. "$ANDROID_TEST_TARGET_DIR/"
echo " Copied instrumented tests: src/androidTest"
fi
# Copy individual Kotlin files (like VideoOverlayManager.kt)
for kt_file in "$SOURCE_DIR"/*.kt; do
if [ -f "$kt_file" ]; then
cp "$kt_file" "$TARGET_DIR/"
echo " Copied: $(basename "$kt_file")"
fi
done
# Restore the app module build.gradle.kts (media3 deps + release signing config).
# gen/android is regenerated by `tauri android init`, so this tracked template is
# the source of truth and must be copied back after any (re)generation.
APP_GRADLE_SRC="$PROJECT_ROOT/src-tauri/android/app/build.gradle.kts"
APP_GRADLE_DST="$PROJECT_ROOT/src-tauri/gen/android/app/build.gradle.kts"
if [ -f "$APP_GRADLE_SRC" ]; then
cp "$APP_GRADLE_SRC" "$APP_GRADLE_DST"
echo " Copied: app/build.gradle.kts"
fi
# AndroidManifest.xml. `tauri android init` regenerates gen/android from
# tauri.conf.json and would drop our hand-maintained entries (media playback
# service + permissions, hardware acceleration, picture-in-picture attributes
# on MainActivity), so this tracked copy is the source of truth and must be
# restored after a regen. Gradle reads ONLY the gen/ copy - there is no
# manifest-merger hook here, so this must be the complete manifest.
MANIFEST_SRC="$PROJECT_ROOT/src-tauri/android/src/main/AndroidManifest.xml"
MANIFEST_DST="$PROJECT_ROOT/src-tauri/gen/android/app/src/main/AndroidManifest.xml"
if [ -f "$MANIFEST_SRC" ]; then
cp "$MANIFEST_SRC" "$MANIFEST_DST"
echo " Copied: app/src/main/AndroidManifest.xml"
fi
# Custom ProGuard/R8 keep rules. Required for minified release builds:
# the player/ and security/ Kotlin classes are loaded by name via JNI from
# Rust, so R8 can't see the references and would strip them without this.
# build.gradle.kts globs **/*.pro, so dropping it in app/ is enough.
PROGUARD_SRC="$PROJECT_ROOT/src-tauri/android/app/proguard-jellytau.pro"
PROGUARD_DST="$PROJECT_ROOT/src-tauri/gen/android/app/proguard-jellytau.pro"
if [ -f "$PROGUARD_SRC" ]; then
cp "$PROGUARD_SRC" "$PROGUARD_DST"
echo " Copied: app/proguard-jellytau.pro"
fi
# Launcher icons / adaptive-icon mipmaps. `tauri android init` generates
# low-quality launcher icons from tauri.conf.json (which has no high-res
# Android source), so overwrite them with the real committed mipmaps.
RES_SRC="$PROJECT_ROOT/src-tauri/android/src/main/res"
RES_DST="$PROJECT_ROOT/src-tauri/gen/android/app/src/main/res"
if [ -d "$RES_SRC" ]; then
for dir in "$RES_SRC"/mipmap-*; do
[ -d "$dir" ] || continue
name="$(basename "$dir")"
mkdir -p "$RES_DST/$name"
cp "$dir"/* "$RES_DST/$name/"
echo " Copied res: $name"
done
# values/ (themes.xml): status-bar styling that `tauri android init` does
# not generate. Previously this directory was tracked but never copied, so
# the theme customizations below never reached a build.
if [ -d "$RES_SRC/values" ]; then
mkdir -p "$RES_DST/values"
cp "$RES_SRC"/values/*.xml "$RES_DST/values/"
echo " Copied res: values"
fi
# xml/ (network_security_config.xml): referenced from the manifest, so a
# missing copy fails the resource link rather than degrading quietly.
# Merged into Tauri's generated xml/ (which holds file_paths.xml) rather
# than replacing it.
if [ -d "$RES_SRC/xml" ]; then
mkdir -p "$RES_DST/xml"
cp "$RES_SRC"/xml/*.xml "$RES_DST/xml/"
echo " Copied res: xml"
fi
# We ship only the color adaptive icon (background + foreground). Drop any
# monochrome layer Tauri may generate: the themed-icon monochrome doesn't
# render well, and our adaptive-icon xml no longer references it, so a stray
# ic_launcher_monochrome.png would just be dead weight.
rm -f "$RES_DST"/mipmap-*/ic_launcher_monochrome.png
# `tauri android init` also emits the Android Studio DEFAULT adaptive icon
# as API-qualified VECTOR drawables:
# drawable/ic_launcher_background.xml (solid #3DDC84 green)
# drawable-v24/ic_launcher_foreground.xml (the Android robot)
# Because drawable-v24 is a more specific match than our unqualified
# mipmap-*/ic_launcher_*.png, on API 24+ the vector WINS and the app ships
# the green square robot instead of our jellyfish. Remove them so the
# adaptive-icon xml resolves @mipmap/ic_launcher_{background,foreground}
# to the real committed PNGs.
rm -f "$RES_DST"/drawable/ic_launcher_background.xml \
"$RES_DST"/drawable-v24/ic_launcher_foreground.xml \
"$RES_DST"/drawable*/ic_launcher_foreground.xml \
"$RES_DST"/drawable*/ic_launcher_background.xml
fi
# Gradle wrapper distribution. `tauri android init` regenerates the wrapper
# pointing at services.gradle.org, so each build downloads ~130MB of Gradle —
# slow, and a hard failure when the CDN drops the connection mid-transfer
# ("Unexpected end of file from server"), which is what broke the release APK
# job. The builder image ships the matching distribution under /opt/gradle/dist,
# so when it's present repoint the wrapper at that local zip and build offline.
# Outside the image (dev machines) the properties file is left untouched and the
# wrapper downloads as usual.
WRAPPER_PROPS="$PROJECT_ROOT/src-tauri/gen/android/gradle/wrapper/gradle-wrapper.properties"
if [ -f "$WRAPPER_PROPS" ]; then
WANTED_VERSION="$(sed -n 's#.*/gradle-\([0-9.]*\)-\(bin\|all\)\.zip.*#\1#p' "$WRAPPER_PROPS")"
LOCAL_DIST="/opt/gradle/dist/gradle-${WANTED_VERSION}-bin.zip"
if [ -n "$WANTED_VERSION" ] && [ -f "$LOCAL_DIST" ]; then
# distributionUrl is a java.util.Properties value: ':' must stay escaped.
sed -i "s#^distributionUrl=.*#distributionUrl=file\\\\:///opt/gradle/dist/gradle-${WANTED_VERSION}-bin.zip#" \
"$WRAPPER_PROPS"
echo " Gradle wrapper -> local distribution ($WANTED_VERSION, offline)"
elif [ -n "$WANTED_VERSION" ]; then
echo " Gradle wrapper: $WANTED_VERSION not in image, will download"
fi
fi
echo "✓ Android sources synced successfully"