Add CircleCI config

.circleci/config.yml

@@ -0,0 +1,50 @@
+version: 2.1
+jobs:
+  build:
+    docker:
+      - image: circleci/android:api-28-node
+    working_directory: ~/mobile
+    environment:
+      JVM_OPTS: -Xmx3200m
+    steps:
+      - checkout
+      - run: 
+          name: "Install gradle"
+          command: |
+            wget https://services.gradle.org/distributions/gradle-6.0.1-bin.zip -P /tmp
+            sudo unzip -d /opt/gradle /tmp/gradle-*.zip
+            echo 'export GRADLE_HOME=/opt/gradle/gradle-6.0.1' >> $BASH_ENV
+            echo 'export PATH=$PATH:/opt/gradle/gradle-6.0.1/bin' >> $BASH_ENV
+            source $BASH_ENV
+      - run:
+          name: "Install ionic and cordova"
+          command: |
+            sudo npm install -g ionic cordova yarn
+      - run:
+          name: "Install npm packages"
+          command: |
+            yarn install
+      - run:
+          name: "Install Cordova plugins and add android platform"
+          command: |
+            ionic cordova platform add android --noresources
+            ionic config set -g telemetry true
+      - run:
+          name: "Generate apk"
+          command: |
+            ionic cordova build android --verbose
+            mkdir -p /tmp/apk
+            cp -r platforms/android/app/build/outputs/apk/debug/app-debug.apk /tmp/apk
+      - store_artifacts:
+          path: /tmp/apk
+          destination: apks
+
+workflows:
+  version: 2
+  build_and_deploy:
+    jobs:
+      - build: # run tests
+          filters:
+            branches:
+              only:
+                - master