.travis.yml

language: android
jdk: oraclejdk8
android:
  components:
    # The BuildTools version used by your project
    - build-tools-27.0.3

    # The SDK version used to compile your project
    - android-21
    - android-27

    # Additional components
    - extra-google-google_play_services
    - extra-google-m2repository
    - extra-android-m2repository
    - addon-google_apis-google-27

    # Specify at least one system image,
    # if you need to run emulator(s) during your tests
    - sys-img-armeabi-v7a-android-21

# Emulator Management: Create, Start and Wait
before_script:
  - echo no | android create avd --force -n test -t android-21 --abi armeabi-v7a
  - emulator -avd test -no-skin -no-audio -no-window &
  - android-wait-for-emulator
  - adb shell input keyevent 82 &

before_deploy:
 - cp app/build/outputs/apk/app-release.apk app-release.apk