Github CI with action

.github/workflows/Android-CI.yml

@@ -0,0 +1,50 @@
+name: Android CI
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+jobs:
+  Build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+      - name: set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Build with Gradle
+        run: ./gradlew build
+      - name: Archive App Lint report
+        uses: actions/upload-artifact@v1
+        with:
+          name: Owncloud-Lint-report
+          path: lint-app-report.html
+  Espresso:
+    runs-on: macOS-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: true
+      - name: set up JDK 1.8
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+      - name: Android Emulator test
+        uses: ReactiveCircus/android-emulator-runner@v2.8.0
+        with:
+          api-level: 28
+          disable-animations: true
+          arch: x86_64
+          profile: Nexus 6
+          script: |
+            adb logcat -c
+            adb logcat *:E &
+            ./gradlew cAT
+      - uses: actions/upload-artifact@v2
+        if: failure()
+        with:
+          name: owncloudApp-Espresso-test-report
+          path: ${{ github.workspace }}/owncloudApp/build/reports/androidTests/connected/*