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Plexamp Lite 1.14: Android 4.1 build with ExoPlayer, lyrics, home-screen widget
- One build per Android level, as in Tenda: build/PlexampLite.apk (Android 2.2+, versionCode 1508) and build/PlexampLite-api16.apk (Android 4.1+, 1516), from shared src/ plus platform/api8 or platform/api16. - Android 4.1 build: ExoPlayer 2.18.7 behind a small Engine interface (gapless hand-over to read-ahead and downloaded files, a longer buffer, MediaPlayer fallback for tracks it can't decode), a notification and lock screen with art and buttons, a resizable widget, Holo, a menu button without a Menu key, metered networks. R8 shrinks ExoPlayer and Guava (tools/fetch_exoplayer.sh, tools/r8-rules.pro). - Both builds: lyrics in Now Playing as in the Mac app (timed lyrics follow and seek), a home-screen widget, media play/pause keys, the moon icon drawn without clipPath. - PlexampLite-noreport on the SD card stops play reports, for tests against a real server. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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@@ -1,46 +1,99 @@
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#!/bin/bash
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# Builds PlexampLite.apk for Android 2.2+ without the Android SDK/Gradle:
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# aapt2 (resources) -> javac (Java 8 bytecode vs android-8 API) -> dx (dex 035) -> signapk.py (v1/SHA-1 + zipalign).
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# Builds Plexamp Lite without the Android SDK or Gradle, one APK per Android level (same package and key):
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# build/PlexampLite.apk Android 2.2 and later (Galaxy Mini) src + platform/api8, against android-8
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# build/PlexampLite-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).
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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/setup_toolchain.sh, plus tools/fetch_exoplayer.sh 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 "$0")"
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T=${TOOLS:-$PWD/toolchain}
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ANDROID_JAR=$T/platforms/android-8/android.jar
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T=${TOOLS:-$HOME/android-toolchain}
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BC_SRC=$T/bcsrc
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OUT=build
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rm -rf $OUT && mkdir -p $OUT/res $OUT/gen $OUT/classes
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EXO=$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 "$PY" ] || PY=python3
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LEVELS=${*:-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:$PATH; break; fi
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done
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fi
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echo "== resources"
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$T/aapt2 compile --dir res -o $OUT/res/compiled.zip
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$T/aapt2 link -o $OUT/base.apk -I $ANDROID_JAR --manifest AndroidManifest.xml \
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--java $OUT/gen -A assets --min-sdk-version 8 --target-sdk-version 10 \
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--no-version-vectors $OUT/res/compiled.zip
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echo "== java"
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find src $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 $ANDROID_JAR -sourcepath "src:$BC_SRC:$OUT/gen" \
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-d $OUT/classes @$OUT/sources.txt 2>&1 | grep -v -E '^Picked up|^Note:' || true
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test -f $OUT/classes/com/minamp/HomeActivity.class
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echo "== strings"
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python3 tools/strings.py
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echo "== text fit check (240x320, all languages and sizes)"
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if [ -f "$T/fonts/droidsans-regular.ttf" ]; then
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python3 tools/check_fit.py "$T/fonts" || { echo "Some texts don't fit their space (see above)"; exit 1; }
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"$PY" tools/check_fit.py "$T/fonts" || { echo "Some texts don't fit their space (see above)"; exit 1; }
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else
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echo "(skipped: run tools/setup_toolchain.sh to fetch the Droid Sans font)"
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fi
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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 $OUT/dalvik-scan.txt; echo "Calls Android 2.x can't link (see above): fix before shipping"; exit 1
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fi
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CODE=$(sed -n 's/.*android:versionCode="\([0-9]*\)".*/\1/p' AndroidManifest.xml)
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echo "== dex"
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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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for API in $LEVELS; do
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case $API in
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8) TARGET=10; APK=build/PlexampLite.apk ;;
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16) TARGET=16; APK=build/PlexampLite-api16.apk
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[ -f "$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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echo "== package"
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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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# v1 signature in the classic Android SignApk format (jarsigner's modern output won't install on Android <= 4.2)
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python3 tools/signapk.py ${KEYSTORE:-$T/minamp.keystore} ${KEYPASS:-minamp123} $OUT/unsigned.apk $OUT/PlexampLite.apk
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ls -la $OUT/PlexampLite.apk
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sed -e "s/android:minSdkVersion=\"[0-9]*\"/android:minSdkVersion=\"$API\"/" \
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-e "s/android:targetSdkVersion=\"[0-9]*\"/android:targetSdkVersion=\"$TARGET\"/" \
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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/minamp/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 | grep -v '^Picked up' || 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 $OUT && zip -q unsigned.apk classes.dex)
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# v1 signature in the classic Android SignApk format (jarsigner's modern output won't install on Android <= 4.2)
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$PY tools/signapk.py ${KEYSTORE:-signing/minamp.keystore} ${KEYPASS:-minamp123} $OUT/unsigned.apk $APK
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ls -l $APK
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done
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