1language: android
 2jdk:
 3  - oraclejdk8
 4android:
 5  components:
 6    - platform-tools
 7    - tools
 8    - build-tools-27.0.3
 9    - extra-google-google_play_services
10  licenses:
11    - '.+'
12script:
13    - ./gradlew assembleFreeRelease
14
15before_install:
16    - yes | sdkmanager "platforms;android-27"