Gitlab CI Android Integration with SDK 25+

.gitlab-ci.yml

image: openjdk:8-jdk

variables:
  ANDROID_COMPILE_SDK: "25"
  ANDROID_BUILD_TOOLS: "25.0.2"
  ANDROID_SDK_TOOLS: "25.2.5"

before_script:
  - apt-get --quiet update --yes
  - apt-get --quiet install --yes wget tar unzip lib32stdc++6 lib32z1
  - wget --quiet --output-document=android-sdk.zip https://dl.google.com/android/repository/tools_r${ANDROID_SDK_TOOLS}-linux.zip
  - unzip android-sdk.zip
  - export ANDROID_HOME=$PWD/
  - echo y | $ANDROID_HOME/tools/android --silent update sdk --no-ui --all --filter android-${ANDROID_COMPILE_SDK}
  - echo y | $ANDROID_HOME/tools/android --silent update sdk --no-ui --all --filter platform-tools
  - echo y | $ANDROID_HOME/tools/android --silent update sdk --no-ui --all --filter build-tools-${ANDROID_BUILD_TOOLS}
  - echo y | $ANDROID_HOME/tools/android --silent update sdk --no-ui --all --filter extra-android-m2repository
  - echo y | $ANDROID_HOME/tools/android --silent update sdk --no-ui --all --filter extra-google-google_play_services
  - echo y | $ANDROID_HOME/tools/android --silent update sdk --no-ui --all --filter extra-google-m2repository
  - export PATH=$PATH:$ANDROID_HOME
  - chmod +x ./gradlew

stages:
  - build
  - test

build:
  stage: build
  script:
    - ./gradlew assembleDebug
  artifacts:
    paths:
    - app/build/outputs/

unitTests:
  stage: test
  script:
    - ./gradlew test

functionalTests:
  stage: test
  script:
    - wget --quiet --output-document=android-wait-for-emulator https://raw.githubusercontent.com/travis-ci/travis-cookbooks/0f497eb71291b52a703143c5cd63a217c8766dc9/community-cookbooks/android-sdk/files/default/android-wait-for-emulator
    - chmod +x android-wait-for-emulator
    - echo y | $ANDROID_HOME/tools/android --silent update sdk --no-ui --all --filter sys-img-x86-google_apis-${ANDROID_COMPILE_SDK}
    - echo no | $ANDROID_HOME/tools/android create avd -n test -t android-${ANDROID_COMPILE_SDK} --abi google_apis/x86
    - $ANDROID_HOME/tools/emulator64-x86 -avd test -no-window -no-audio &
    - ./android-wait-for-emulator
    - adb shell input keyevent 82
    - ./gradlew cAT