GitLab CI config for an Android project

.gitlab-ci.yml

image: jangrewe/gitlab-ci-android

variables:
  ANDROID_COMPILE_SDK: "27"
  APP_NAME: "NameOfYourApp"

cache:
  key: ${CI_PROJECT_ID}
  paths:
    - .m2/
    - .gradle/

stages:
  - build
  - test
  - package

before_script:
  - export GRADLE_USER_HOME=$(pwd)/.gradle
  - chmod +x ./gradlew
  - apt-get update -y && apt-get install wget -y


########################################################################
# BUILD

.build_template: &build
  stage: build
  artifacts:
    expire_in: 4 hours
    paths:
      - app/build/outputs/

build:develop:
  <<: *build
  only:
    - develop
  script:
    - ./gradlew assembleDebug

build:release:
  <<: *build
  only:
    - master
  script:
    - ./gradlew assembleRelease


########################################################################
# TESTS

.test_template: &test
  stage: test
  only:
    - master
    - develop

test:unit:
  <<: *test
  script:
    - ./gradlew test

test:functional:
  <<: *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 | ${ANDROID_HOME}/tools/bin/sdkmanager "system-images;android-${ANDROID_COMPILE_SDK};google_apis_playstore;x86"
    - echo y | ${ANDROID_HOME}/tools/bin/sdkmanager --update
    - echo no | ${ANDROID_HOME}/tools/bin/avdmanager create avd -k "system-images;android-${ANDROID_COMPILE_SDK};google_apis_playstore;x86" -n test
    - ${ANDROID_HOME}/tools/emulator -avd test -no-window -no-audio 
    - ./android-wait-for-emulator
    - adb shell input keyevent 82
    - ./gradlew cAT


########################################################################
# PACKAGE

.package_template: &package
  before_script:
    - export VERSION_NAME=`egrep '^[[:blank:]]+versionName[[:blank:]]'  app/build.gradle | awk '{print $2}' | sed s/\"//g`
    - mkdir -p exported

package:develop:
  <<: *package
  stage: package
  environment: Development
  only:
    - develop
  script:
    - mv app/build/outputs/apk/debug/app-debug.apk ./exported/${APP_NAME}-v$VERSION_NAME-debug.apk
  dependencies:
    - build:develop
  artifacts:
    expire_in: 7 days
    paths:
      - exported

package:release:unsigned:
  <<: *package
  stage: package
  environment: Release
  only:
    - master
  script:
    - mv app/build/outputs/apk/release/app-release-unsigned.apk ./exported/${APP_NAME}-v$VERSION_NAME-release-unsigned.apk
  dependencies:
      - build:release
  artifacts:
    expire_in: 1 month
    paths:
      - exported