simple_android_egl_app/build.sh at main · permutationlock/simple_android_egl_app · GitHub

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# required environment:
#     ANDROID_VERSION: the target android version number (must be >=22)
#     ANDROID_JAR: a path to the android.jar file (see pull_android_jar.sh)
#     ANDROID_AAPT: path to android sdk aapt
# #     ANDROID_AAPT2: path to android sdk aapt2
#     ANDROID_ZIPALIGN: path to android sdk zipalign
#     ANDROID_APKSIGNER: path to android sdk apksizinger
#     ANDROID_CLANG: path to android ndk clang
#     APP_NAME: the name of your app
#     ORG_NAME: the name of your organization
#     KEYSTORE_FILE: path to keystore file
#     STORE_PASS: keystore password
#     KEY_PASS: key password
#     CFLAGS: common flags to be passed to C compiler
#     LDFLAGS: common flags to be passed to the linker

# clean old build artifacts
./clean.sh

# initualize build directory from template
cp -r ./template ./build_android
envsubst '$$ANDROID_VERSION $$APP_NAME $$ORG_NAME' \
    < ./template/AndroidManifest.xml \
    > ./build_android/AndroidManifest.xml

# build so for arm64
mkdir -p ./build_android/apk/lib/arm64-v8a
$ANDROID_CLANG --target=aarch64-linux-android22 \
    $CFLAGS $LDFLAGS -shared -fPIC \
    -o ./build_android/apk/lib/arm64-v8a/libmain.so \
    ./src/main.c ./src/android_native_app_glue.c \
    -lm -lEGL -lGLESv2 -landroid -llog

# build so for arm32
mkdir -p ./build_android/apk/lib/armeabi-v7a
$ANDROID_CLANG --target=armv7a-linux-androideabi22 \
    $CFLAGS $LDFLAGS -shared -fPIC \
    -o ./build_android/apk/lib/armeabi-v7a/libmain.so \
    ./src/main.c ./src/android_native_app_glue.c \
    -lm -lEGL -lGLESv2 -landroid -llog

# build so for x86
mkdir -p ./build_android/apk/lib/x86
$ANDROID_CLANG --target=i686-linux-android22 \
    $CFLAGS $LDFLAGS -shared -fPIC \
    -o ./build_android/apk/lib/x86/libmain.so \
    ./src/main.c ./src/android_native_app_glue.c \
    -lm -lEGL -lGLESv2 -landroid -llog

# build for x86_64
mkdir -p ./build_android/apk/lib/x86_64
$ANDROID_CLANG --target=x86_64-linux-android22 \
    $CFLAGS $LDFLAGS -shared -fPIC \
    -o ./build_android/apk/lib/x86_64/libmain.so \
    ./src/main.c ./src/android_native_app_glue.c \
    -lm -lEGL -lGLESv2 -landroid -llog

# build temporary apk and unzip back to directory
$ANDROID_AAPT package -f -v \
    --target-sdk-version $ANDROID_VERSION \
    -F ./build_android/temp.apk \
    -I $ANDROID_JAR \
    -M ./build_android/AndroidManifest.xml \
    -S ./build_android/apk/res
unzip -o ./build_android/temp.apk -d ./build_android/apk

# ALTERNATIVE: since aapt is deprecated, we could also use aapt2:
#   # build temporary apk and unzip back to directory
#   mkdir ./build_android/compiled
#   $ANDROID_AAPT2 compile \
#       ./build_android/apk/res/mipmap/icon.png \
#       -o ./build_android/compiled/
#   $ANDROID_AAPT2 link -v \
#       --target-sdk-version $ANDROID_VERSION \
#       -o ./build_android/temp.apk \
#       -I $ANDROID_JAR \
#       --manifest ./build_android/AndroidManifest.xml \
#       ./build_android/compiled/mipmap_icon.png.flat
#   unzip -o ./build_android/temp.apk -d ./build_android/apk

# zip compress second temporary apk
cd ./build_android/apk
zip -D4r ../temp2.apk .
zip -D0r ../temp2.apk ./resources.arsc ./AndroidManifest.xml
cd ../..

# align and sign final apk
$ANDROID_ZIPALIGN -v 4 \
    ./build_android/temp2.apk \
    ./build_android/$APP_NAME.apk
$ANDROID_APKSIGNER sign \
    --key-pass pass:$KEY_PASS \
    --ks-pass pass:$STORE_PASS \
    --ks $KEYSTORE_FILE \
    ./build_android/$APP_NAME.apk