example

Android example

To compile example to shared library you will need Android NDK. To build Android apk you will need Android SDK. Download and unpack archives somewhere.

Go must be cross compiled for android. There is a bootstrap.sh script that you can use to compile Go and OpenAL for android/arm and android/arm64.

Export path to Android NDK, point to location where you have unpacked archive:

export ANDROID_NDK_HOME=/opt/android-ndk

Compile Go, OpenAL and android_native_app_glue, /usr/local is prefix where Go and Android toolchains will be installed:

./bootstrap.sh /usr/local

After build is complete point GOROOT to new Go installation in /usr/local, and add toolchain bin directory to PATH:

export GOROOT=/usr/local/go
export PATH=/usr/local/android-arm7/bin:${PATH}

And compile shared library:

CGO_CFLAGS="-I/usr/local/android-arm7/include" CGO_LDFLAGS="-L/usr/local/android-arm7/lib" \
CC=arm-linux-androideabi-gcc CGO_ENABLED=1 GOOS=android GOARCH=arm \
${GOROOT}/bin/go build -v -x -buildmode=c-shared -ldflags="-s -w -extldflags=-Wl,-soname,libexample.so" \
-o=android/libs/armeabi-v7a/libexample.so

To build apk export path to Android SDK, point to location where you unpacked archive:

export ANDROID_HOME=/opt/android-sdk

And build apk with ant:

cd android
ant clean debug

If everything is successfully built apk can be found in bin/ directory.