Simplify workflow for testing

.gitea/workflows/build.yaml

@@ -5,30 +5,23 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
-
-      - name: Set up JDK 21
-        uses: actions/setup-java@v4
-        with:
-          distribution: "temurin"
-          java-version: "21"
-
-      - name: Setup Android SDK
+      - name: Check environment
         run: |
+          echo "Runner is working!"
+          uname -a
+          whoami
+          pwd
+          ls -la
+          env | sort
+
+      - name: Check Android SDK
+        run: |
+          if [ -d /opt/android-sdk ]; then
+            echo "Android SDK found"
             ls /opt/android-sdk/
-          export ANDROID_HOME=/opt/android-sdk
-          export ANDROID_SDK_ROOT=/opt/android-sdk
-          echo "ANDROID_HOME=$ANDROID_HOME" >> $GITHUB_ENV
-          echo "ANDROID_SDK_ROOT=$ANDROID_SDK_ROOT" >> $GITHUB_ENV
-
-      - name: Build APK
-        run: |
-          export ANDROID_HOME=/opt/android-sdk
-          export ANDROID_SDK_ROOT=/opt/android-sdk
-          ./gradlew assembleRelease
-
-      - name: Upload APK
-        uses: actions/upload-artifact@v4
-        with:
-          name: app-release
-          path: app/build/outputs/apk/release/
+            ls /opt/android-sdk/platforms/ 2>/dev/null || echo "No platforms"
+            ls /opt/android-sdk/build-tools/ 2>/dev/null || echo "No build-tools"
+            ls /opt/android-sdk/ndk/ 2>/dev/null || echo "No NDK"
+          else
+            echo "Android SDK NOT mounted"
+          fi