Add Android build check to workflow (#207)

* Add android build check to workflow
* Update workflow actions to silence warnings

.github/workflows/build.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
     - name: "Checkout repo"
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         submodules: "recursive"
         fetch-depth: 0
@@ -36,7 +36,7 @@ jobs:
     runs-on: ubuntu-22.04
     steps:
     - name: "Checkout repo"
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
       with:
         submodules: "recursive"
         fetch-depth: 0
@@ -60,7 +60,7 @@ jobs:
     runs-on: windows-latest
     steps:
       - name: "Checkout repo"
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           submodules: "recursive"
           fetch-depth: 0
@@ -106,3 +106,48 @@ jobs:
         shell: msys2 {0}
         run: |
           cmake --build build
+
+  build-android:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout Repository
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 8
+        uses: actions/setup-java@v4
+        with:
+          java-version: '8'
+          distribution: 'adopt'
+
+      - name: Install Dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y git wget unzip ant
+
+      - name: Set up Android Tools and Build Tree
+        env:
+          ANDROID_HOME: ${{ github.workspace }}/android-tools
+        run: |
+          mkdir $ANDROID_HOME
+          wget https://dl.google.com/android/repository/tools_r25.2.5-linux.zip -P $ANDROID_HOME
+          unzip $ANDROID_HOME/tools_r25.2.5-linux.zip -d $ANDROID_HOME
+          echo y | $ANDROID_HOME/tools/bin/sdkmanager "platform-tools" "build-tools;30.0.3" "ndk-bundle" "platforms;android-19" "platforms;android-30"
+          mkdir ${{ github.workspace }}/el
+          git clone https://github.com/pjbroad/el-build-methods.git ${{ github.workspace }}/el/el-build-methods
+          git clone https://github.com/raduprv/Eternal-Lands.git ${{ github.workspace }}/el/el-build-methods/android/jni/src
+
+      - name: Setup libs
+        env:
+          ANDROID_HOME: ${{ github.workspace }}/android-tools
+        run: |
+          cd ${{ github.workspace }}/el/el-build-methods/android/
+          ./setup-libs.bash
+
+      - name: Build Android Package
+        env:
+          ANDROID_HOME: ${{ github.workspace }}/android-tools
+          APP_ALLOW_MISSING_DEPS: true
+        run: |
+          cd ${{ github.workspace }}/el/el-build-methods/android/
+          $ANDROID_HOME/ndk-bundle/ndk-build -j $(nproc)