.travis.yml

language: android
jdk: oraclejdk8
env:
 global:
    - ANDROID_API_LEVEL=28
    - ANDROID_BUILD_TOOLS_VERSION=28.0.0
android:
 components:
    - tools
    - platform-tools
    # The BuildTools version used by your project
    - build-tools-$ANDROID_BUILD_TOOLS_VERSION
    # The SDK version used to compile your project
    - android-$ANDROID_API_LEVEL
    # Additional components
    - extra-google-google_play_services
    - extra-google-m2repository
    - extra-android-m2repository
    - addon-google_apis-google-$ANDROID_API_LEVEL
licenses:
    - 'android-sdk-preview-license-.+'
    - 'android-sdk-license-.+'
    - 'google-gdk-license-.+'
before_script:
    - mkdir -p "$ANDROID_HOME/licenses"
    - echo -e "\nd56f5187479451eabf01fb78af6dfcb131a6481e" > $ANDROID_HOME/licenses/android-sdk-license
    - echo -e "24333f8a63b6825ea9c5514f83c2829b004d1fee" >> $ANDROID_HOME/licenses/android-sdk-license
    - echo -e "\n84831b9409646a918e30573bab4c9c91346d8abd" > $ANDROID_HOME/licenses/android-sdk-preview-license
script:
    - ./gradlew build check