.travis.yml

language: android
dist: trusty
android:
  components:
    - tools  # tools needs to be upgraded twice
    - tools  # https://github.com/travis-ci/travis-ci/issues/6040#issuecomment-219367943
    - tools
    - platform-tools

    - build-tools-28.0.3
    - android-24  # Need older API for Android ARM as no KVM for x86
    - android-28

    - sys-img-x86-android-26
    - sys-img-armeabi-v7a-android-24

  licenses:
    - 'android-sdk-preview-license-52d11cd2'
    - 'android-sdk-license-.+'

# From Travis CI's guide on how to improve Gradle 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/
    - $HOME/.android/build-cache

# Start emulator early so it's ready when the build is done
before_install:
  # Install the rest of tools (e.g. avdmanager)
  - yes | sdkmanager tools
  - echo no | avdmanager create avd --force --name test --package 'system-images;android-24;default;armeabi-v7a' --abi armeabi-v7a --sdcard 100M
  - $ANDROID_HOME/emulator/emulator -avd test -no-audio -no-window &

before_script:
  - android-wait-for-emulator
  # Disable animations
  - adb shell settings put global window_animation_scale 0 &
  - adb shell settings put global transition_animation_scale 0 &
  - adb shell settings put global animator_duration_scale 0 &
  - adb shell input keyevent 82 &

script:
  - ./gradlew build
  - ./gradlew test
  - ./gradlew connectedCheck