Building library for Android

• Clone this repo

• Install rustup

• Make sure you've the Android NDK installed, and that the NDK_HOME environment variable points to it. E.g:

echo $NDK_HOME
/Users/foo/Library/Android/sdk/ndk/21.3.6528147/

• Install cargo ndk:

cargo install cargo-ndk

• Add toolchains:

rustup target add aarch64-linux-android armv7-linux-androideabi x86_64-linux-android i686-linux-android 

The list of targets above is not necessarily up to date. See e.g. here for current targets. Use rustup target list to see a list of currently supported targets.

• Set Android path environmental variable to your local repo using: 'export PATH_TO_ANDROID_REPO=<your_path_here>'"

• Run the script, which will build the libraries and copy them to the Android local copy:

sh ./scripts/android/create_android.sh

• To build and copy a release version pass the --release flag to the script:

sh ./scripts/android/create_android.sh --release

Creating a new release:

• Run the Core Android app's Unit and instrumentation tests. Ensure everything is green!
• Zip the created jniLibs folder in core > src > main.
• Create a new Release in Github and attach the zip as binary.

NOTE: You have to attach the iOS binaries as well. Instructions here.