update ci

.github/workflows/build-android.yml

@@ -0,0 +1,57 @@
+# 由于安卓构建需要较长时间，故创建备用的独立工作流
+name: Build Android App
+
+on:
+  push:
+    tags:
+      - '*'  # 监听所有标签的推送
+  workflow_dispatch:
+  # 允许手动触发工作流
+
+jobs:
+  #-------------------------------------------------
+  # Android (Unchanged, as it builds a universal app)
+  #-------------------------------------------------
+  build_android:
+    name: Build Android
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          distribution: 'temurin'
+
+      - name: Setup Flutter
+        uses: subosito/flutter-action@v2
+        with:
+          channel: 'stable'
+
+      - name: Get Flutter dependencies
+        run: flutter pub get
+
+      - name: Decode Keystore
+        run: echo "${{ secrets.KEYSTORE_BASE64 }}" | base64 --decode > android/app/upload-keystore.jks
+
+      - name: Create key.properties file
+        run: |
+          echo "storeFile=$(pwd)/android/app/upload-keystore.jks" > android/key.properties
+          echo "keyPassword=${{ secrets.KEY_PASSWORD }}" >> android/key.properties
+          echo "storePassword=${{ secrets.STORE_PASSWORD }}" >> android/key.properties
+          echo "keyAlias=${{ secrets.KEY_ALIAS }}" >> android/key.properties
+
+      - name: Build Flutter App Bundle and APK
+        run: |
+          flutter build appbundle --release
+          flutter build apk --release
+
+      - name: Upload Android Artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: android-builds
+          path: |
+            build/app/outputs/bundle/release/app-release.aab
+            build/app/outputs/flutter-apk/app-release.apk