Add Github Actions CI workflow, drop Travis CI

Modified-by: Florian Schmaus <flo@geekplace.eu>

.github/workflows/ci.yml

@@ -0,0 +1,95 @@
+name: Smack CI
+
+env:
+  GRADLE_VERSION: 6.7.1
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    name: Build Smack
+
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        java: [ 1.8, 11 ]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up JDK ${{ matrix.java }}
+        uses: actions/setup-java@v1
+        with:
+          java-version: ${{ matrix.java }}
+
+      # Caches
+      - name: Cache Maven
+        uses: actions/cache@v2
+        with:
+          path: ~/.m2/repository
+          key: maven-${{ hashFiles('**/build.gradle') }}
+          restore-keys: |
+            maven-
+      - name: Cache Gradle
+        uses: actions/cache@v2
+        with:
+          path: ~/.gradle/caches
+          key: gradle-caches-${{ hashFiles('**/build.gradle') }}
+          restore-keys:
+            gradle-caches
+      - name: Cache Gradle Binary
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/gradle-bin-${GRADLE_VERSION}/
+          key: gradle-bin-${GRADLE_VERSION}
+      - name: Cache Android SDK
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.android/sdk
+          key: android-${{ hashFiles('build.gradle') }}
+          restore-keys: |
+            android-
+
+      # Pre-reqs
+      - name: Grab gradle wrapper
+        run: |
+          wget https://services.gradle.org/distributions/gradle-${GRADLE_VERSION}-all.zip
+          unzip gradle-${GRADLE_VERSION}-all.zip
+          echo "PATH_TO_GRADLE=./gradle-${GRADLE_VERSION}/bin/gradle" >> $GITHUB_ENV
+      - name: Install GraphViz
+        run: sudo apt update && sudo apt install graphviz
+      - name: Install Android SDK Manager
+        uses: android-actions/setup-android@v2
+      - name: Install Android SDK
+        run: |
+          sdkmanager "platforms;android-19"
+
+      # Testing
+      - name: Gradle Check
+        run: ${PATH_TO_GRADLE} check --stacktrace
+
+      # Test local publish
+      - name: Gradle publish
+        run: ${PATH_TO_GRADLE} publishToMavenLocal --stacktrace
+
+      # Javadoc
+      - name: Javadoc
+        if: ${{ matrix.java == 11 }}
+        run: ${PATH_TO_GRADLE} javadocAll --stacktrace
+
+      # Test Coverage Report
+      - name: Jacoco Test Coverage
+        if: ${{ matrix.java == 1.8 }}
+        run: ${PATH_TO_GRADLE} jacocoRootReport coveralls
+
+      # Upload build artifacts
+      - name: Upload build artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: smack-java-${{ matrix.java }}
+          path: |
+            smack-*/build/libs/*.jar
+            !**/*-test-fixtures.jar
+            !**/*-tests.jar