add android CI (#889)

.github/workflows/gradle.yaml

@@ -22,6 +22,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: recursive
+
       - name: Get tags
         run: git fetch --tags origin --recurse-submodules=no --force
 
@@ -51,6 +52,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: recursive
+
       - name: Get tags
         run: git fetch --tags origin --recurse-submodules=no --force
 
@@ -84,6 +86,48 @@ jobs:
             server/desktop/build/libs/*
 
 
+  bundle-android:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          submodules: recursive
+
+      - name: Get tags
+        run: git fetch --tags origin --recurse-submodules=no --force
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v3
+        with:
+          java-version: "17"
+          distribution: "adopt"
+
+      - name: Setup Gradle
+        uses: gradle/gradle-build-action@v2
+
+      - name: Use Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version-file: '.node-version'
+          cache: 'npm'
+
+      - name: Build GUI
+        run: |
+          npm ci
+          cd gui && npm run build
+
+      - name: Build with Gradle
+        run: ./gradlew :server:android:assembleDebug
+
+      - name: Upload the APK
+        uses: actions/upload-artifact@v3
+        with:
+          # Artifact name
+          name: "SlimeVR-Android" # optional, default is artifact
+          # A file, directory or wildcard pattern that describes what to upload
+          path: server/android/build/outputs/apk/*
+
+
   bundle-linux:
     runs-on: ubuntu-22.04
     needs: [build, test]