feat: set up android build in gitlab ci/cd

# Define pipeline stages

stages:

  - lint

  - build

# Detekt static analysis job

detekt:

    # Run detekt

    - cd cardinal-android

    - touch local.properties

    - chmod +x ./gradlew

    - ./gradlew detekt

  # Optional: Upload detekt reports as artifacts

  artifacts:

    paths:

      - cardinal-android/app/build/reports/detekt/

    expire_in: 1 week

# Android build job with Rust support

build:

  stage: build

  # Use an image with Android SDK pre-installed for better performance

  image: cimg/android:2024.01.1-ndk

  # Only run on pushes to main and merge requests to main

  rules:

    - if: '$CI_COMMIT_BRANCH == "main"'

    - if: '$CI_PIPELINE_SOURCE == "merge_request_event" && $CI_MERGE_REQUEST_TARGET_BRANCH_NAME == "main"'

  # Allow newer pipelines to cancel older ones

  interruptible: true

  # Resource group for concurrency control

  resource_group: android-build-${CI_COMMIT_REF_SLUG}

  variables:

    # Android SDK and NDK paths

    ANDROID_HOME: /home/circleci/android-sdk

    ANDROID_NDK_VERSION: "26.1.10909125"

    ANDROID_SDK_ROOT: /home/circleci/android-sdk

  before_script:

    # Install git-lfs and additional dependencies

    - sudo apt-get update -qq

    - sudo apt-get install -y -qq git-lfs curl unzip protobuf-compiler

    - git lfs install

    # Install specific NDK version if not present

    - |

      if [ ! -d "$ANDROID_HOME/ndk/$ANDROID_NDK_VERSION" ]; then

        echo "Installing NDK $ANDROID_NDK_VERSION..."

        yes | sdkmanager "ndk;$ANDROID_NDK_VERSION" || true

      fi

    # Configure Android NDK environment

    - export ANDROID_NDK_HOME=$ANDROID_HOME/ndk/$ANDROID_NDK_VERSION

    - export ANDROID_NDK_ROOT=$ANDROID_HOME/ndk/$ANDROID_NDK_VERSION

    - export NDK_HOME=$ANDROID_HOME/ndk/$ANDROID_NDK_VERSION

    # Install Rust if not present

    - |

      if ! command -v rustc &> /dev/null; then

        echo "Installing Rust..."

        curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain stable

        source $HOME/.cargo/env

      fi

    # Add Rust to PATH

    - export PATH="$HOME/.cargo/bin:$PATH"

    # Install Rust Android targets

    - rustup target add aarch64-linux-android

    - rustup target add x86_64-linux-android

    # Install cargo-ndk

    - cargo install cargo-ndk || true

    # Verify setup

    - |

      echo "=== Environment Variables ==="

      echo "ANDROID_HOME: $ANDROID_HOME"

      echo "ANDROID_NDK_HOME: $ANDROID_NDK_HOME"

      echo "ANDROID_NDK_ROOT: $ANDROID_NDK_ROOT"

      echo "NDK_HOME: $NDK_HOME"

      echo ""

      echo "=== Android SDK Structure ==="

      ls -la $ANDROID_HOME || echo "ANDROID_HOME not found"

      echo ""

      echo "=== NDK Installation ==="

      ls -la $ANDROID_NDK_HOME || echo "NDK not found at $ANDROID_NDK_HOME"

      echo ""

      echo "=== Rust Targets ==="

      rustup target list --installed | grep android || echo "No Android targets found"

      echo ""

      echo "=== Cargo NDK Version ==="

      cargo ndk --version || echo "cargo-ndk not found"

  cache:

    - key:

        files:

          - cardinal-android/**/*.gradle*

          - cardinal-android/gradle/wrapper/gradle-wrapper.properties

        prefix: gradle-${CI_JOB_NAME}

      paths:

        - .gradle/caches

        - .gradle/wrapper

        - cardinal-android/.gradle

      policy: pull-push

    - key:

        files:

          - Cargo.lock

        prefix: cargo-${CI_JOB_NAME}

      paths:

        - .cargo/registry

        - .cargo/git

        - ./target

      policy: pull-push

  script:

    # Configure Gradle for CI

    - mkdir -p ~/.gradle

    - echo "org.gradle.daemon=false" >> ~/.gradle/gradle.properties

    - echo "org.gradle.parallel=true" >> ~/.gradle/gradle.properties

    - echo "org.gradle.configureondemand=true" >> ~/.gradle/gradle.properties

    - echo "org.gradle.jvmargs=-Xmx4g -XX:MaxMetaspaceSize=1g -XX:+HeapDumpOnOutOfMemoryError" >> ~/.gradle/gradle.properties

    # Build debug APKs for each architecture

    - cd cardinal-android

    - touch local.properties

    - ./gradlew assembleArm64Debug assembleX86_64Debug --info --stacktrace --no-daemon