Create android.yml

.github/workflows/android.yml

@@ -0,0 +1,47 @@
+name: Release APK
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Go
+      uses: actions/setup-go@v5.0.1
+      with:
+        go-version: '1.22'
+
+    - name: set up JDK 11
+      uses: actions/setup-java@v3
+      with:
+        java-version: '11'
+        distribution: 'temurin'
+        cache: gradle
+
+    - name: Set up NDK
+      uses: nttld/setup-ndk@v1
+      with:
+        ndk-version: r26d
+        link-to-sdk: true
+
+    - name: Grant execute permission for gradlew
+      run: chmod +x gradlew
+
+    - name: Build with Gradle
+      run: ./gradlew assembleRelease
+
+    - name: Sign APK
+      id: sign_app
+      uses: r0adkll/sign-android-release@v1
+      with:
+        releaseDirectory: app/build/outputs/apk/release
+        signingKeyBase64: ${{ secrets.SIGNING_KEY }}
+        keyStorePassword: ${{ secrets.KEY_STORE_PASSWORD }}
+
+    - name: Upload release files
+      uses: softprops/action-gh-release@v2
+      if: startsWith(github.ref, 'refs/tags/')
+      with:
+        files: ${{steps.sign_app.outputs.signedReleaseFile}}