Add sonarcloud instructions for the app

technical/app/code-coverage.rst

@@ -0,0 +1,12 @@
+
+Generating App Code Coverage
+==============================
+
+#. Start an android emulator.
+#. Run the following gradle task::
+
+    ./gradlew jacocoTestReport
+
+   **Note:** This task runs all the app tests and it will take some time to finish, please be patient.
+
+#. When the previous task is finished and all tests succeeded, the coverage report will be located at *'oppia-mobile-android/app/build/report/coverage'*

technical/app/index.rst

@@ -5,4 +5,5 @@ OppiaMobile App
    :maxdepth: 1
 
    background-tasks
+   code-coverage
 

technical/dev/sonarqube.rst

@@ -38,14 +38,32 @@ If you are running with your own SonarCloud account, you'll need to use a differ
 OppiaMobile Android App
 ------------------------
 
-The Oppia app source code analysis can be found at: https://sonarcloud.io/dashboard?id=org.digitalcampus.mobile.learning
+The Oppia app source code analysis can be found at: https://sonarcloud.io/project/overview?id=DigitalCampus_oppia-mobile-android
 
-To run the analysis for the app, from the root of the app code directory, run::
+To run the analysis for the app, follow these steps:
+
+#. First, you previously need to generate the code coverage. (see: :doc:`../app/code-coverage`).
+#. Then, from the root of the app code directory, run::
+
+	./gradlew sonarqube
+
+.. note::
+    You will need to set up the secret sonarcloud token for the previous command to work. There are three different ways to do it:
+
+    #. Create an environment variable:
+
+       **SONAR_TOKEN=<your_sonarcloud_token>**
+
+
+    #. Create a file named sonarqube.properties in the root of the app code directory. Include the following line inside the file:
+
+       **sonar.login=<your_sonarcloud_token>**
+
+
+    #. Include the parameter in the gradlew command:
+
+       **./gradlew sonarqube -Dsonar.login=<your_sonarcloud_token>**
 
-	./gradlew sonarqube \
-  		-Dsonar.organization=alexlittle-github \
-  		-Dsonar.host.url=https://sonarcloud.io \
-  		-Dsonar.login=<login id> 
-  		
 .. note::
- 	To be completed - adding the coverage report
+    If you want to generate sonarcloud analysis for your own sonarcloud project, make sure to update sonarqube.gradle file
+    so it includes the information of your project.