gitea workflow for automated building

.gitea/workflows/android_build.yml

@@ -0,0 +1,50 @@
+name: Flutter APK Build
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  build_apk:
+    name: Build Flutter APK
+    runs-on: ubuntu-latest
+    
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      
+      - name: Setup Java
+        uses: actions/setup-java@v3
+        with:
+          distribution: 'temurin'
+          java-version: '11'
+      
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          flutter-version: 'latest'
+          channel: 'stable'
+      
+      - name: Get dependencies
+        run: flutter pub get
+      
+      - name: Format code
+        run: flutter format --set-exit-if-changed .
+      
+      - name: Analyze code
+        run: flutter analyze .
+      
+      - name: Build APK
+        run: flutter build apk --release
+      
+      - name: Upload APK artifact
+        uses: actions/upload-artifact@v3
+        with:
+          name: flutter-apk
+          path: build/app/outputs/flutter-apk/app-release.apk
+          retention-days: 30