.travis.yml

language: android
sudo: required
jdk: oraclejdk8

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/

env:
 global:
 - ANDROID_API=25
 - EMULATOR_API=22
 - ANDROID_BUILD_TOOLS=25.0.2
 - ADB_INSTALL_TIMEOUT=5 # minutes

android:
  components:
    - platform-tools
    - tools
    - build-tools-$ANDROID_BUILD_TOOLS
    - android-$ANDROID_API
    - android-$EMULATOR_API_LEVEL
    - extra
    - addon
    - extra-google-m2repository
    - extra-android-m2repository
    - addon-google_apis-google-19 
    - sys-img-armeabi-v7a-addon-google_apis-google-$ANDROID_API_LEVEL
    - sys-img-armeabi-v7a-addon-google_apis-google-$EMULATOR_API_LEVEL
    
before_script:
  - echo no | android create avd --force -n test -t android-$EMULATOR_API_LEVEL --abi armeabi-v7a
  - emulator -avd test -no-skin -no-audio -no-window &
  - android-wait-for-emulator
  - adb shell input keyevent 82 &