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>
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@@ -1,38 +1,104 @@
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#!/bin/sh
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# Builds Podlite.apk for Android 2.2+ (API 8) using the plain SDK tools, no Gradle.
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# ANDROID_JAR android.jar for API 8 (compiling against it guarantees no newer APIs sneak in)
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# KEYSTORE signing keystore (created on first build if missing)
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set -e
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#!/bin/bash
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# Builds Podlite without the Android SDK or Gradle, one APK per Android level (same package and key):
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# build/Podlite.apk Android 2.2 and later (Galaxy Mini) src + platform/api8, against android-8
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# build/Podlite-api16.apk Android 4.1 and later (Xperia J...) src + platform/api16 + ExoPlayer, against android-16
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# Each: aapt2 (resources; api16 overlays platform/api16/res) -> javac (Java 8 bytecode) -> then
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# api8: Dalvik 2.x link check -> dx (dex 035)
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# api16: R8 (shrinks ExoPlayer and Guava, desugars Java 8, dex 035 for Android 4.1)
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# -> signapk.py (v1 / SHA-1 in the classic SignApk format, plus zipalign; Android <= 4.2 rejects jarsigner's).
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# 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.
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# Toolchain (TOOLS, default ~/android-toolchain) from Plexamp Lite's tools/setup_toolchain.sh, plus tools/fetch_exoplayer.sh,
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# the android-16 jar and R8 (d8.jar from build-tools 34) for api16.
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# ./build.sh both
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# ./build.sh 16 one level
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set -euo pipefail
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cd "$(dirname "$0")"
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ANDROID_JAR=${ANDROID_JAR:-/home/claude/sable/android-platforms/android-8/android.jar}
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KEYSTORE=${KEYSTORE:-miniabs.keystore}
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BC_SRC=${BC_SRC:-$HOME/android-toolchain/bcsrc} # Bouncy Castle renamed to com.minamp.bc (Minamp's tools/setup_toolchain.sh)
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OUT=build
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rm -rf "$OUT"
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mkdir -p "$OUT/gen" "$OUT/classes"
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echo "== resources"
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aapt package -f -m -J "$OUT/gen" -M AndroidManifest.xml -S res -A assets -I "$ANDROID_JAR" \
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-F "$OUT/Podlite.unsigned.apk"
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echo "== compile (Java 8 bytecode, API 8 class library)"
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javac -nowarn -Xlint:-options -encoding UTF-8 -source 8 -target 8 \
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-bootclasspath "$ANDROID_JAR" -classpath "$ANDROID_JAR" -sourcepath "src:$BC_SRC:$OUT/gen" \
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-d "$OUT/classes" $(find src "$OUT/gen" -name '*.java')
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echo "== dex"
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dalvik-exchange --dex --min-sdk-version=8 --output="$OUT/classes.dex" "$OUT/classes"
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(cd "$OUT" && aapt add Podlite.unsigned.apk classes.dex > /dev/null)
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echo "== align + sign (v1 JAR signature with SHA-1, which Android 2.x requires)"
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if [ ! -f "$KEYSTORE" ]; then
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keytool -genkeypair -keystore "$KEYSTORE" -storepass miniabs -keypass miniabs -alias miniabs \
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-keyalg RSA -keysize 2048 -validity 10000 -dname "CN=Podlite" > /dev/null 2>&1
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T=${TOOLS:-$HOME/android-toolchain}
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BC_SRC=$T/bcsrc # Bouncy Castle renamed to com.minamp.bc
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EXO=$T/exoplayer-2.18.7
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R8=${R8:-$T/calendar-tools/d8.jar} # build-tools' d8.jar holds R8 too
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PY=${PY:-$T/venv/bin/python} # signapk.py needs the cryptography package
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[ -x "$PY" ] || PY=python3
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KS=${KEYSTORE:-miniabs.keystore} # JKS, password and alias "miniabs": keep it, updates only install over the same key
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LEVELS=${*:-8 16}
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# a JDK 11+ (R8 needs it): the macOS java stub answers "javac" but can't run it
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if ! javac -version >/dev/null 2>&1 || javac -version 2>&1 | grep -q '1\.8'; then
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for j in "${JAVA_HOME:-}" /opt/homebrew/opt/openjdk@17 /opt/homebrew/opt/openjdk $(ls -d "$HOME"/tools/jdk-17* 2>/dev/null); do
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if [ -n "$j" ] && [ -x "$j/bin/javac" ]; then export JAVA_HOME=$j PATH=$j/bin:$PATH; break; fi
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done
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fi
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zipalign -f 4 "$OUT/Podlite.unsigned.apk" "$OUT/Podlite.aligned.apk"
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apksigner sign --ks "$KEYSTORE" --ks-pass pass:miniabs --key-pass pass:miniabs --ks-key-alias miniabs \
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--min-sdk-version 8 --v1-signing-enabled true --v2-signing-enabled false --v3-signing-enabled false \
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--out "$OUT/Podlite.apk" "$OUT/Podlite.aligned.apk"
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apksigner verify --min-sdk-version 8 "$OUT/Podlite.apk"
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ls -l "$OUT/Podlite.apk"
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mkdir -p build
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# signapk.py reads PKCS#12: convert the JKS key into build/ for this run (the original stays as it is)
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P12=build/signing.p12
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rm -f $P12
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keytool -importkeystore -srckeystore "$KS" -srcstoretype JKS -srcstorepass ${KEYPASS:-miniabs} -srcalias miniabs \
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-destkeystore $P12 -deststoretype PKCS12 -deststorepass ${KEYPASS:-miniabs} -destkeypass ${KEYPASS:-miniabs} \
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-noprompt >/dev/null 2>&1
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trap 'rm -f build/signing.p12' EXIT
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CODE=$(sed -n 's/.*android:versionCode="\([0-9]*\)".*/\1/p' AndroidManifest.xml)
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for API in $LEVELS; do
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case $API in
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8) TARGET=10; APK=build/Podlite.apk ;;
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16) TARGET=16; APK=build/Podlite-api16.apk
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[ -f "$EXO/exoplayer-core.jar" ] || { echo "no ExoPlayer in $EXO: run tools/fetch_exoplayer.sh"; exit 1; }
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[ -f "$R8" ] || { echo "no R8 at $R8 (build-tools 34's lib/d8.jar): set R8="; exit 1; } ;;
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*) echo "no such level: $API (8 or 16)"; exit 1 ;;
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esac
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ANDROID_JAR=$T/platforms/android-$API/android.jar
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OUT=build/api$API
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echo "== Android level $API -> $APK (versionCode $((CODE * 100 + API)))"
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rm -rf $OUT && mkdir -p $OUT/res $OUT/gen $OUT/classes
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# this level's manifest; Android 3.2+ also counts a rotation as a screen size change; Holo settings on 4.1
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sed -e "s/android:minSdkVersion=\"[0-9]*\"/android:minSdkVersion=\"$API\"/" \
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-e "s/android:targetSdkVersion=\"[0-9]*\"/android:targetSdkVersion=\"$TARGET\"/" \
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$( [ $API -ge 13 ] && echo '-e s/keyboardHidden|orientation"/keyboardHidden|orientation|screenSize"/' ) \
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$( [ $API -ge 14 ] && echo '-e s#android:theme="@android:style/Theme"#android:theme="@android:style/Theme.Holo"#' ) \
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AndroidManifest.xml > $OUT/AndroidManifest.xml
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$T/aapt2 compile --dir res -o $OUT/res/compiled.zip
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OVERLAY=
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if [ -d platform/api$API/res ]; then
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$T/aapt2 compile --dir platform/api$API/res -o $OUT/res/overlay.zip
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OVERLAY="-R $OUT/res/overlay.zip"
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fi
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$T/aapt2 link -o $OUT/base.apk -I $ANDROID_JAR --manifest $OUT/AndroidManifest.xml \
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--java $OUT/gen -A assets --version-code $((CODE * 100 + API)) --replace-version \
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--no-version-vectors $OUT/res/compiled.zip $OVERLAY
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LIBS=
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[ $API -ge 16 ] && LIBS=$(ls $EXO/*.jar | tr '\n' ':')
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find src platform/api$API $OUT/gen -name '*.java' > $OUT/sources.txt
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javac -nowarn -Xlint:-options -source 8 -target 8 -encoding UTF-8 -g:source,lines \
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-bootclasspath $ANDROID_JAR -classpath "$LIBS" -sourcepath "src:platform/api$API:$BC_SRC:$OUT/gen" \
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-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
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test -f $OUT/classes/com/miniabs/HomeActivity.class
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if [ $API -lt 11 ]; then
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echo "-- Dalvik 2.x link check"
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python3 tools/scan_dalvik.py $OUT/classes $ANDROID_JAR > $OUT/dalvik-scan.txt
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if ! grep -q "^total patterns: 0$" $OUT/dalvik-scan.txt; then
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cat $OUT/dalvik-scan.txt; echo "Calls Android 2.x can't link (see above): fix before shipping"; exit 1
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fi
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java -Xmx2g -jar $T/dx.jar --dex --output=$OUT/classes.dex $OUT/classes 2>&1 | grep -v '^Picked up' || true
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else
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echo "-- R8"
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(cd $OUT/classes && zip -q -r ../app.jar .)
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PGCONF=$(for f in tools/r8-rules.pro $EXO/*.pro; do printf -- '--pg-conf %s ' "$f"; done)
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java -Xmx2g -cp "$R8" com.android.tools.r8.R8 --release --min-api $API --lib $ANDROID_JAR \
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--map-diagnostics info none --output $OUT $PGCONF $OUT/app.jar $EXO/*.jar 2>&1 \
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| grep -v -E '^Picked up|META-INF' || true
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test -f $OUT/classes.dex
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# one dex only: Android 4.1 can't load a second without a multidex library
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if [ -f $OUT/classes2.dex ]; then echo "R8 made more than one dex file (over 64K methods)"; exit 1; fi
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fi
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cp $OUT/base.apk $OUT/unsigned.apk
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(cd $OUT && zip -q unsigned.apk classes.dex)
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$PY tools/signapk.py $P12 ${KEYPASS:-miniabs} $OUT/unsigned.apk $APK
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python3 tools/check_dex.py $APK
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ls -l $APK
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done
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