Simplify: Use pre-installed environment for Android build

.gitea/workflows/android-build.yml

@@ -15,16 +15,28 @@ jobs:
     - name: Checkout code
       uses: actions/checkout@v4
 
-    - name: Build with Gradle
+    - name: Build Debug APK
       run: |
-        # 使用容器预装的 Java 和 Gradle
+        # 验证环境
+        echo "=== 环境检查 ==="
         java -version
         gradle --version
+        
+        # 生成 Gradle wrapper
+        echo "=== 生成 Gradle Wrapper ==="
         gradle wrapper --gradle-version 8.2
+        
+        # 编译 Debug APK
+        echo "=== 开始编译 ==="
         ./gradlew assembleDebug --no-daemon --stacktrace
+        
+        # 验证输出
+        echo "=== 编译完成 ==="
+        ls -lh app/build/outputs/apk/debug/
 
     - name: Upload APK
-      uses: actions/upload-artifact@v4
+      uses: actions/upload-artifact@v3
       with:
         name: app-debug
         path: app/build/outputs/apk/debug/app-debug.apk
+        retention-days: 7