Create BuildTest.yml, build & export APK with Github Actions (#385)

* Updated workflow

Co-authored-by: Akash Yadav <46931079+itsaky@users.noreply.github.com>

.github/workflows/build.yml

@@ -0,0 +1,69 @@
+name: Build and test
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+  workflow_dispatch: {}
+
+jobs:
+  local_test_job:
+    name: Running local tests
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up JDK 11
+        uses: actions/setup-java@v1
+        with:
+          java-version: 11
+      - name: Print Java version
+        run: javac -version
+      - name: Change wrapper permissions
+        run: chmod +x ./gradlew
+      - name: Restore Cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+      - name: Run debug tests
+        run: ./gradlew testDebugUnitTest --continue
+      - name: Upload Test Reports
+        if: ${{ always() }}
+        uses: actions/upload-artifact@v2
+        with:
+          name: test-reports
+          path: '**/build/reports/tests/'
+
+  build_job:
+    name: Building the APK
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Restore Cache
+        uses: actions/cache@v2
+        with:
+          path: |
+            ~/.gradle/caches
+            ~/.gradle/wrapper
+          key: ${{ runner.os }}-gradle-${{ hashFiles('**/*.gradle*') }}
+          restore-keys: |
+            ${{ runner.os }}-gradle-
+      - name: Change wrapper permissions
+        run: chmod +x ./gradlew
+      - name: Assemble Debug
+        run: ./gradlew assembleDebug
+
+      - name: Upload APK
+        uses: actions/upload-artifact@v2
+        with:
+          name: apk-debug
+          path: app/build/outputs/apk/debug/**.apk