.travis.yml

language: android
android:
  before_install:
  - chmod +x gradlew
  - mkdir "$ANDROID_HOME/licenses" || true
  - echo -e "\n8933bad161af4178b1185d1a37fbf41ea5269c55" > "$ANDROID_HOME/licenses/android-sdk-license"
  - echo -e "\n84831b9409646a918e30573bab4c9c91346d8abd" > "$ANDROID_HOME/licenses/android-sdk-preview-license"
  - yes | sdkmanager --update
  - yes | sdkmanager --licenses
  
  components:
    # Uncomment the lines below if you want to
    # use the latest revision of Android SDK Tools
    # - tools
    # - platform-tools

    # The BuildTools version used by your project
    - build-tools-28.0.3

    # The SDK version used to compile your project
    - android-28

    # Additional components
    - extra-google-google_play_services
    - extra-google-m2repository
    - extra-android-m2repository

    # Specify at least one system image,
    # if you need to run emulator(s) during your tests
    - sys-img-x86-android-26
    - sys-img-armeabi-v7a-android-17