replaced Travis with GitHub Actions

.github/workflows/debug.yml

@@ -0,0 +1,34 @@
+name: Debug APK Builder
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v1
+      - name: JDK 8 Setup
+        uses: actions/setup-java@v1
+        with:
+          java-version: 1.8
+
+      - name: Grant rights
+        run: chmod +x ./gradlew
+
+      - name: Build project
+        run: ./gradlew build
+
+      - name: Build APK
+        run: ./gradlew assembleDebug
+
+      - name: Upload to Artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: 'MicroG'
+          path: play-services-core/build/outputs/apk/debug/play-services-core-debug.apk

.travis.yml

@@ -1,15 +0,0 @@
-language: android
-sudo: false
-script:
-  - jdk_switcher use oraclejdk8
-  - echo sdk.dir $ANDROID_HOME > local.properties
-  - export TERM=dumb
-  - export JAVA_OPTS="-XX:+CMSClassUnloadingEnabled -XX:+HeapDumpOnOutOfMemoryError -Xmx2048m"
-  - ./gradlew --stacktrace assemble
-android:
-  components:
-  - tools
-  - platform-tools
-  - build-tools-29.0.3
-  - android-29
-  - extra-android-m2repository