An Android project CI/CD configuration file for GitLab pipeline. it's updated to the latest Google official Android SDK cmdline-tools package

.gitlab-ci.yml

# Notice:
# GOOGLE_SERVICE_JSON, KEY_STORE_PROP, and STORE_FILE are the variants you can configure in 
# project settings so that you can avoid to expose it in project codebase.
# The content of these variants are in Base64 format.

image: openjdk:8-jdk

variables:
  ANDROID_COMPILE_SDK: "28"
  ANDROID_BUILD_TOOLS: "28.0.3"
  ANDROID_SDK_TOOLS:   "6609375_latest"

before_script:
  - echo ANDROID_COMPILE_SDK ${ANDROID_COMPILE_SDK}
  - echo ANDROID_BUILD_TOOLS ${ANDROID_BUILD_TOOLS}
  - echo ANDROID_SDK_TOOLS ${ANDROID_SDK_TOOLS}
  - apt-get --quiet update --yes
  - apt-get --quiet install --yes wget tar unzip lib32stdc++6 lib32z1
  - wget --quiet --output-document=android-sdk.zip https://dl.google.com/android/repository/commandlinetools-linux-${ANDROID_SDK_TOOLS}.zip
  - unzip -d android-sdk-linux android-sdk.zip
  - export ANDROID_SDK_ROOT=$PWD/android-sdk-linux
  - export SDK_MANAGER="${ANDROID_SDK_ROOT}/tools/bin/sdkmanager --sdk_root=${ANDROID_SDK_ROOT}"
  - echo y | ${SDK_MANAGER} "platforms;android-${ANDROID_COMPILE_SDK}" >/dev/null
  - echo y | ${SDK_MANAGER} "platform-tools" >/dev/null
  - echo y | ${SDK_MANAGER} "build-tools;${ANDROID_BUILD_TOOLS}" >/dev/null
  - export PATH=$PATH:${ANDROID_SDK_ROOT}/platform-tools/
  - chmod +x ./gradlew
  # temporarily disable checking for EPIPE error and use yes to accept all licenses
  - set +o pipefail
  - echo y | ${SDK_MANAGER} --licenses
  - set -o pipefail

stages:
  - build

assembleDebug:
  stage: build
  script:
    - echo ${GOOGLE_SERVICE_JSON} | base64 -d > app/google-services.json
    - echo ${KEY_STORE_PROP} | base64 -d > app/keystore.properties
    - echo ${STORE_FILE} | base64 -d > app/keystore.jks
    - ./gradlew assembleDebug
  artifacts:
    paths:
    - app/build/outputs/

assembleRelease:
  stage: build
  script:
    - echo ${GOOGLE_SERVICE_JSON} | base64 -d > app/google-services.json
    - echo ${KEY_STORE_PROP} | base64 -d > app/keystore.properties
    - echo ${STORE_FILE} | base64 -d > app/keystore.jks
    - ./gradlew assembleRelease
  artifacts:
    paths:
    - app/build/outputs/