Building an Android app on GitLab CI

.gitlab-ci.yml

before_script:
  - apt-get --quiet update --yes
  - apt-get --quiet install --yes wget tar unzip openjdk-7-jdk lib32stdc++6 lib32z1
  - wget --quiet --output-document=android-sdk.tgz https://dl.google.com/android/android-sdk_r24.4.1-linux.tgz
  - tar --extract --gzip --file=android-sdk.tgz
  - echo y | android-sdk-linux/tools/android --silent update sdk --no-ui --all --filter android-23
  - echo y | android-sdk-linux/tools/android --silent update sdk --no-ui --all --filter platform-tools
  - echo y | android-sdk-linux/tools/android --silent update sdk --no-ui --all --filter build-tools-23.0.3
  - echo y | android-sdk-linux/tools/android --silent update sdk --no-ui --all --filter extra-android-m2repository
  - echo y | android-sdk-linux/tools/android --silent update sdk --no-ui --all --filter extra-google-google_play_services
  - echo y | android-sdk-linux/tools/android --silent update sdk --no-ui --all --filter extra-google-m2repository
  - wget --quiet --output-document=gradle.zip https://services.gradle.org/distributions/gradle-2.12-bin.zip
  - unzip -q gradle.zip
  - export ANDROID_HOME=$PWD/android-sdk-linux

build:
  script:
    - gradle-2.12/bin/gradle assembleDebug check --stacktrace
  artifacts:
    paths:
    - app/build/outputs/lint-results.html