Example Circle CI config file

config.yaml

version: 2.0

defaults: &defaults
  docker:
    - image:  menny/android_ndk:latest
  working_directory: ~/pigment
  environment:
    _JAVA_OPTIONS: "-Xmx1400m -XX:ParallelGCThreads=2 -XX:ConcGCThreads=2 -XX:ParallelGCThreads=2 -Djava.util.concurrent.ForkJoinPool.common.parallelism=2"
    TERM: dumb

update_sdk: &update_sdk
  name: Update SDK
  command: |
    mkdir "${ANDROID_HOME}/licenses" || true
    echo -e "8933bad161af4178b1185d1a37fbf41ea5269c55\nd56f5187479451eabf01fb78af6dfcb131a6481e" > ${ANDROID_HOME}/licenses/android-sdk-license
    echo -e "84831b9409646a918e30573bab4c9c91346d8abd" > ${ANDROID_HOME}/licenses/android-sdk-preview-license
    echo -e "d975f751698a77b662f1254ddbeed3901e976f5a" > ${ANDROID_HOME}/licenses/intel-android-sysimage-license

jobs:
  build:
    <<: *defaults
    steps:
      - run:
          <<: *update_sdk
      - checkout
      - restore_cache:
          key: jars-{{ checksum "build.gradle" }}-{{ checksum  "app/build.gradle" }}-{{ checksum "masker/build.gradle" }}-{{ checksum "imageloader/build.gradle" }}-{{ checksum ".circleci/config.yml" }}
      - run:
          name: Download Dependencies
          command: ./gradlew dependencies --no-daemon || true
      - run:
          name: Decrypt secrets
          command: signing/setup.sh $ENCRYPT_KEY
      - run:
          name: Check and assemble APKs
          command: ./gradlew clean check --no-daemon
      - run:
          name: Cleanup secrets
          command: signing/cleanup.sh
      - save_cache:
          paths:
            - ~/.gradle
          key: jars-{{ checksum "build.gradle" }}-{{ checksum  "app/build.gradle" }}-{{ checksum "masker/build.gradle" }}-{{ checksum "imageloader/build.gradle" }}-{{ checksum ".circleci/config.yml" }}
      - store_artifacts:
          path: app/build/outputs/apk/release
          destination: release-apks
      - store_artifacts:
          path: app/build/outputs/apk/debug
          destination: debug-apks
      - store_artifacts:
          path: app/build/reports
          destination: reports
      - store_test_results:
          path: app/build/test-results
      - persist_to_workspace:
          root: .
          paths:
            - .gradle
            - build
            - app/build
  deploy_to_play:
    <<: *defaults
    steps:
      - run:
          <<: *update_sdk
      - checkout
      - restore_cache:
          key: jars-{{ checksum "build.gradle" }}-{{ checksum  "app/build.gradle" }}-{{ checksum "masker/build.gradle" }}-{{ checksum "imageloader/build.gradle" }}-{{ checksum ".circleci/config.yml" }}
      - attach_workspace:
          at: ~/pigment
      - run:
          name: Decrypt secrets
          command: signing/setup.sh $ENCRYPT_KEY
      - run:
          name: Deploy to Alpha channel
          command: ./gradlew publishRelease --no-daemon
      - run:
          name: Cleanup secrets
          command: signing/cleanup.sh
  deploy_to_crashlytics:
    <<: *defaults
    steps:
      - run:
          <<: *update_sdk
      - checkout
      - restore_cache:
          key: jars-{{ checksum "build.gradle" }}-{{ checksum  "app/build.gradle" }}-{{ checksum "masker/build.gradle" }}-{{ checksum "imageloader/build.gradle" }}-{{ checksum ".circleci/config.yml" }}
      - attach_workspace:
          at: ~/pigment
      - run:
          name: Decrypt secrets
          command: signing/setup.sh $ENCRYPT_KEY
      - run:
          name: Build
          command: ./gradlew assembleDebug --no-daemon
      - run:
          name: Deploy to Crashlytics Beta
          command: ./gradlew crashlyticsUploadDistributionDebug --no-daemon
      - run:
          name: Cleanup secrets
          command: signing/cleanup.sh

workflows:
  version: 2
  build_and_test:
    jobs:
      - build
      - deploy_to_play:
          requires:
            - build
          filters:
            branches:
              only: master
      - deploy_to_crashlytics:
          requires:
            - build
          filters:
            branches:
              ignore: master