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XoséandClaude Opus 5.5 666a7eb8cd Podlite 1.12: a build for Android 4.1 (Xperia J) with ExoPlayer, speed and skip silences
- One build per Android level, as in Tenda and Plexamp Lite: build/Podlite.apk (Android 2.2+, versionCode 1308) and
  build/Podlite-api16.apk (Android 4.1+, 1316), from shared src/ plus platform/api8 or platform/api16; build.sh now
  runs on the local toolchain (aapt2, dx or R8, signapk.py; the JKS key converted for the run).
- Android 4.1 build: ExoPlayer 2.18.7 behind an Engine interface, with playback speed (player header) and skipping
  silences (Settings), a 3-minute buffer and MediaPlayer as fallback for audio it can't decode; a notification and
  lock screen with the cover and buttons; Holo; a menu button on phones without a Menu key; metered networks for
  "download on Wi-Fi only".
- Both builds: tlskit's Http.abort fix (a finished response's pooled connection is no longer closed under a later
  request); the lock screen's and newer headsets' play/pause keys.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-11-01 21:56:18 +01:00

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#!/bin/bash
# Builds Podlite without the Android SDK or Gradle, one APK per Android level (same package and key):
# build/Podlite.apk Android 2.2 and later (Galaxy Mini) src + platform/api8, against android-8
# build/Podlite-api16.apk Android 4.1 and later (Xperia J...) src + platform/api16 + ExoPlayer, against android-16
# Each: aapt2 (resources; api16 overlays platform/api16/res) -> javac (Java 8 bytecode) -> then
# api8: Dalvik 2.x link check -> dx (dex 035)
# api16: R8 (shrinks ExoPlayer and Guava, desugars Java 8, dex 035 for Android 4.1)
# -> signapk.py (v1 / SHA-1 in the classic SignApk format, plus zipalign; Android <= 4.2 rejects jarsigner's).
# versionCode = the manifest's x 100 + the level, so a phone that moves up to Android 4.1 gets the newer build as an update.
# Toolchain (TOOLS, default ~/android-toolchain) from Plexamp Lite's tools/setup_toolchain.sh, plus tools/fetch_exoplayer.sh,
# the android-16 jar and R8 (d8.jar from build-tools 34) for api16.
# ./build.sh both
# ./build.sh 16 one level
set -euo pipefail
cd "$(dirname "$0")"
T=${TOOLS:-$HOME/android-toolchain}
BC_SRC=$T/bcsrc # Bouncy Castle renamed to com.minamp.bc
EXO=$T/exoplayer-2.18.7
R8=${R8:-$T/calendar-tools/d8.jar} # build-tools' d8.jar holds R8 too
PY=${PY:-$T/venv/bin/python} # signapk.py needs the cryptography package
[ -x "$PY" ] || PY=python3
KS=${KEYSTORE:-miniabs.keystore} # JKS, password and alias "miniabs": keep it, updates only install over the same key
LEVELS=${*:-8 16}
# a JDK 11+ (R8 needs it): the macOS java stub answers "javac" but can't run it
if ! javac -version >/dev/null 2>&1 || javac -version 2>&1 | grep -q '1\.8'; then
for j in "${JAVA_HOME:-}" /opt/homebrew/opt/openjdk@17 /opt/homebrew/opt/openjdk $(ls -d "$HOME"/tools/jdk-17* 2>/dev/null); do
if [ -n "$j" ] && [ -x "$j/bin/javac" ]; then export JAVA_HOME=$j PATH=$j/bin:$PATH; break; fi
done
fi
mkdir -p build
# signapk.py reads PKCS#12: convert the JKS key into build/ for this run (the original stays as it is)
P12=build/signing.p12
rm -f $P12
keytool -importkeystore -srckeystore "$KS" -srcstoretype JKS -srcstorepass ${KEYPASS:-miniabs} -srcalias miniabs \
-destkeystore $P12 -deststoretype PKCS12 -deststorepass ${KEYPASS:-miniabs} -destkeypass ${KEYPASS:-miniabs} \
-noprompt >/dev/null 2>&1
trap 'rm -f build/signing.p12' EXIT
CODE=$(sed -n 's/.*android:versionCode="\([0-9]*\)".*/\1/p' AndroidManifest.xml)
for API in $LEVELS; do
case $API in
8) TARGET=10; APK=build/Podlite.apk ;;
16) TARGET=16; APK=build/Podlite-api16.apk
[ -f "$EXO/exoplayer-core.jar" ] || { echo "no ExoPlayer in $EXO: run tools/fetch_exoplayer.sh"; exit 1; }
[ -f "$R8" ] || { echo "no R8 at $R8 (build-tools 34's lib/d8.jar): set R8="; exit 1; } ;;
*) echo "no such level: $API (8 or 16)"; exit 1 ;;
esac
ANDROID_JAR=$T/platforms/android-$API/android.jar
OUT=build/api$API
echo "== Android level $API -> $APK (versionCode $((CODE * 100 + API)))"
rm -rf $OUT && mkdir -p $OUT/res $OUT/gen $OUT/classes
# this level's manifest; Android 3.2+ also counts a rotation as a screen size change; Holo settings on 4.1
sed -e "s/android:minSdkVersion=\"[0-9]*\"/android:minSdkVersion=\"$API\"/" \
-e "s/android:targetSdkVersion=\"[0-9]*\"/android:targetSdkVersion=\"$TARGET\"/" \
$( [ $API -ge 13 ] && echo '-e s/keyboardHidden|orientation"/keyboardHidden|orientation|screenSize"/' ) \
$( [ $API -ge 14 ] && echo '-e s#android:theme="@android:style/Theme"#android:theme="@android:style/Theme.Holo"#' ) \
AndroidManifest.xml > $OUT/AndroidManifest.xml
$T/aapt2 compile --dir res -o $OUT/res/compiled.zip
OVERLAY=
if [ -d platform/api$API/res ]; then
$T/aapt2 compile --dir platform/api$API/res -o $OUT/res/overlay.zip
OVERLAY="-R $OUT/res/overlay.zip"
fi
$T/aapt2 link -o $OUT/base.apk -I $ANDROID_JAR --manifest $OUT/AndroidManifest.xml \
--java $OUT/gen -A assets --version-code $((CODE * 100 + API)) --replace-version \
--no-version-vectors $OUT/res/compiled.zip $OVERLAY
LIBS=
[ $API -ge 16 ] && LIBS=$(ls $EXO/*.jar | tr '\n' ':')
find src platform/api$API $OUT/gen -name '*.java' > $OUT/sources.txt
javac -nowarn -Xlint:-options -source 8 -target 8 -encoding UTF-8 -g:source,lines \
-bootclasspath $ANDROID_JAR -classpath "$LIBS" -sourcepath "src:platform/api$API:$BC_SRC:$OUT/gen" \
-d $OUT/classes @$OUT/sources.txt 2>&1 | grep -v -E '^Picked up|^Note:|^warning: Cannot find annotation|^ reason: class file for|^[0-9]+ warnings?$' || true
test -f $OUT/classes/com/miniabs/HomeActivity.class
if [ $API -lt 11 ]; then
echo "-- Dalvik 2.x link check"
python3 tools/scan_dalvik.py $OUT/classes $ANDROID_JAR > $OUT/dalvik-scan.txt
if ! grep -q "^total patterns: 0$" $OUT/dalvik-scan.txt; then
cat $OUT/dalvik-scan.txt; echo "Calls Android 2.x can't link (see above): fix before shipping"; exit 1
fi
java -Xmx2g -jar $T/dx.jar --dex --output=$OUT/classes.dex $OUT/classes 2>&1 | grep -v '^Picked up' || true
else
echo "-- R8"
(cd $OUT/classes && zip -q -r ../app.jar .)
PGCONF=$(for f in tools/r8-rules.pro $EXO/*.pro; do printf -- '--pg-conf %s ' "$f"; done)
java -Xmx2g -cp "$R8" com.android.tools.r8.R8 --release --min-api $API --lib $ANDROID_JAR \
--map-diagnostics info none --output $OUT $PGCONF $OUT/app.jar $EXO/*.jar 2>&1 \
| grep -v -E '^Picked up|META-INF' || true
test -f $OUT/classes.dex
# one dex only: Android 4.1 can't load a second without a multidex library
if [ -f $OUT/classes2.dex ]; then echo "R8 made more than one dex file (over 64K methods)"; exit 1; fi
fi
cp $OUT/base.apk $OUT/unsigned.apk
(cd $OUT && zip -q unsigned.apk classes.dex)
$PY tools/signapk.py $P12 ${KEYPASS:-miniabs} $OUT/unsigned.apk $APK
python3 tools/check_dex.py $APK
ls -l $APK
done