language: android
jdk: oraclejdk8
dist: trusty

# Install Android SDK
android:
  components:
    - tools
    - platform-tools
    - build-tools-29.0.0-rc1
    - android-28
    - extra-android-m2repository

# Install Android NDK (apparently there is no easier way to do this)
# https://github.com/travis-ci/travis-ci/issues/5395
before_script:
  - curl -L https://dl.google.com/android/repository/android-ndk-r15c-linux-x86_64.zip -O
  - unzip -q android-ndk-r15c-linux-x86_64.zip
  - export ANDROID_NDK_HOME=`pwd`/android-ndk-r15c

before_install:
  # Install Go using gimme tool
  - curl -sL -o ~/bin/gimme https://raw.githubusercontent.com/travis-ci/gimme/master/gimme
  - chmod +x ~/bin/gimme
  - eval "$(gimme stable)"
  # Hack to accept Android licenses
  - yes | sdkmanager "platforms;android-27"

# Cache gradle dependencies
# https://docs.travis-ci.com/user/languages/android/#Caching
before_cache:
  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
cache:
  directories:
    - $HOME/.gradle/caches/
    - $HOME/.gradle/wrapper/

script:
  - ./gradlew lint
  - ./gradlew buildNative assembleDebug