add android ci (testing)

.github/workflows/ci.yml

@@ -33,6 +33,61 @@ jobs:
       working-directory: ${{github.workspace}}/build
       run: ctest -C ${{env.BUILD_TYPE}}
 
+  android:
+    timeout-minutes: 30
+    # contains sections copied from sdl repo
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - uses: nttld/setup-ndk@v1
+      id: setup_ndk
+      with:
+        local-cache: false # https://github.com/nttld/setup-ndk/issues/518
+        ndk-version: r26d
+
+    - uses: actions/setup-java@v4
+      with:
+        distribution: 'temurin'
+        java-version: '17'
+
+    - name: update vcpkg
+      run: |
+        git clone https://github.com/microsoft/vcpkg.git
+
+    - name: Install Dependencies (host)
+      run: sudo apt update && sudo apt -y install cmake pkg-config nasm
+
+    - name: Install Dependencies (target)
+      env:
+        ANDROID_NDK_HOME: ${{steps.setup_ndk.outputs.ndk-path}}
+      run: vcpkg install --triplet arm64-android --overlay-ports=vcpkg/ports libsodium openssl
+
+    # vcpkg scripts root /usr/local/share/vcpkg/scripts
+    - name: Configure CMake
+      env:
+        ANDROID_NDK_HOME: ${{steps.setup_ndk.outputs.ndk-path}}
+      run: cmake -B ${{github.workspace}}/build -DCMAKE_BUILD_TYPE=${{env.BUILD_TYPE}} -DCMAKE_TOOLCHAIN_FILE=/usr/local/share/vcpkg/scripts/buildsystems/vcpkg.cmake -DVCPKG_TARGET_TRIPLET=arm64-android -DANDROID=1 -DANDROID_PLATFORM=23 -DANDROID_ABI=arm64-v8a -DVCPKG_CHAINLOAD_TOOLCHAIN_FILE=${{steps.setup_ndk.outputs.ndk-path}}/build/cmake/android.toolchain.cmake
+
+    - name: Build
+      run: cmake --build ${{github.workspace}}/build --config ${{env.BUILD_TYPE}} -j 4
+
+    - name: Compress artifacts
+      shell: bash
+      run: |
+        tar -czvf ${{ github.event.repository.name }}-android-arm64.tar.gz -C ${{github.workspace}}/build/bin/ .
+
+    - uses: actions/upload-artifact@v4
+      with:
+        name: ${{ github.event.repository.name }}-android-arm64
+        # TODO: do propper packing
+        path: |
+          ${{github.workspace}}/${{github.event.repository.name}}-android-arm64.tar.gz
+
   macos:
     timeout-minutes: 10