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DEVELOPING.md

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Development cycle

The most needed commands can be found in the Makefile.

Running the tests

The tests need two Android emulators, as gomobile only supports instrumentation (Emulator) tests.
You can start the complete setup and the tests in Docker with:

make docker-test # log output in full.log

⚠️ Running the tests needs a lot of resources.

Creating the bindings

The binding file will be generated in android/app/prnm.aar and a android/app/prnm-sources.jar for debugging.

Docker

I strongly advice to use Docker:

make bind-docker

Without Docker

The Dockerfile contains all the dependencies and versions that you will need to reproduce the bindings.
Mainly:

  • Android NDK
  • Android SDK
  • Android SDK Tools
  • Golang
  • Gradle
  • Java 8

You can then use make bind.

Updating the Docker image

Replace <version> with the version that you want to create. The versioning should follow go-perun.

docker build -t perunnetwork/prnm-ci:<version> .
docker push perunnetwork/prnm-ci:<version>
# Optional if you want to make it the default image
docker tag perunnetwork/prnm-ci:<version> perunnetwork/prnm-ci:latest
docker push perunnetwork/prnm-ci:latest

⚠️ Building the image needs a lot of resources.