gitlab ci

.gitlab-ci.yml

image: openjdk:11-jdk

variables:

  # ANDROID_COMPILE_SDK is the version of Android you're compiling with.
  # It should match compileSdkVersion.
  ANDROID_COMPILE_SDK: "29"

  # ANDROID_BUILD_TOOLS is the version of the Android build tools you are using.
  # It should match buildToolsVersion.
  ANDROID_BUILD_TOOLS: "29.0.3"

  # It's what version of the command line tools we're going to download from the official site.
  # Official Site-> https://developer.android.com/studio/index.html
  # There, look down below at the cli tools only, sdk tools package is of format:
  #        commandlinetools-os_type-ANDROID_SDK_TOOLS_latest.zip
  # when the script was last modified for latest compileSdkVersion, it was which is written down below
  ANDROID_SDK_TOOLS: "6514223"

# Packages installation before running script
before_script:
  - apt-get --quiet update --yes
  - apt-get --quiet install --yes wget tar unzip lib32stdc++6 lib32z1

  # Setup path as android_home for moving/exporting the downloaded sdk into it
  - export ANDROID_HOME="${PWD}/android-home"
  # Create a new directory at specified location
  - install -d $ANDROID_HOME
  # Here we are installing androidSDK tools from official source,
  # (the key thing here is the url from where you are downloading these sdk tool for command line, so please do note this url pattern there and here as well)
  # after that unzipping those tools and
  # then running a series of SDK manager commands to install necessary android SDK packages that'll allow the app to build
  - wget --output-document=$ANDROID_HOME/cmdline-tools.zip https://dl.google.com/android/repository/commandlinetools-linux-${ANDROID_SDK_TOOLS}_latest.zip
  # move to the archive at ANDROID_HOME
  - pushd $ANDROID_HOME
  - unzip -d cmdline-tools cmdline-tools.zip
  - popd
  - export PATH=$PATH:${ANDROID_HOME}/cmdline-tools/tools/bin/

  # use yes to accept all licenses
  - yes | sdkmanager --sdk_root=${ANDROID_HOME} --licenses || true
  - sdkmanager --sdk_root=${ANDROID_HOME} "platforms;android-${ANDROID_COMPILE_SDK}"
  - sdkmanager --sdk_root=${ANDROID_HOME} "platform-tools"
  - sdkmanager --sdk_root=${ANDROID_HOME} "build-tools;${ANDROID_BUILD_TOOLS}"

  # Not necessary, but just for surity
  - chmod +x ./gradlew

stages:
  - build
  - release
  - deploy

assembleDebug:
  interruptible: true
  stage: build
  script:
    - ./gradlew assembleDebug
  artifacts:
    paths:
      - app/build/outputs/
  retry: 2
  tags:
    - android

assembleRelease:
  stage: release
  script:
    - echo $KEYSTORE_FILE | base64 -d > my.keystore
    - ./gradlew assembleRelease
      -Pandroid.injected.signing.store.file=$(pwd)/my.keystore
      -Pandroid.injected.signing.store.password=$KEYSTORE_PASSWORD
      -Pandroid.injected.signing.key.alias=$KEY_ALIAS
      -Pandroid.injected.signing.key.password=$KEY_PASSWORD
  artifacts:
    paths:
      - app/build/outputs/apk/release
  retry: 2
  tags:
    - android

deploy:
  stage: deploy
  script:
    - mv app/build/outputs/apk/release/app-release.apk app/build/outputs/apk/release/${APPLICATION_NAME}${APPLICATION_VERSION}.apk
    - curl -F document=@"app/build/outputs/apk/release/${APPLICATION_NAME}${APPLICATION_VERSION}.apk" -F caption="${TELEGRAM_MESSAGE_CAPTION}" https://api.telegram.org/bot${TELEGRAM_BOT_TOKEN}/sendDocument?chat_id=${TELEGRAM_CHAT_ID}
  only:
    - main
  tags:
    - android
  variables:
    # APPLICATION VERSION
    APPLICATION_VERSION: "X.XX.XXX"
    
    # APPLICATION NAME
    APPLICATION_NAME: "APP_NAME"
    
    # CHANNEL CHAT ID
    TELEGRAM_CHAT_ID: "TELEGRAM_CHAT_ID"
    
    # BOT TOKEN
    TELEGRAM_BOT_TOKEN: "TELEGRAM_BOT_API_TOKEN"
    
    # DISCRIPTION
    TELEGRAM_MESSAGE_CAPTION: "DISCRIPTION"