Peyman Mohtashami

Group multiple DELETE / CREATE notification requests into a single request

1

Edited by @Bdegraaf1234 As discussed [in this app-server issue](https://github.com/RADAR-base/RADAR-Appserver/issues/438) we reduce the number of requests by the aRMT application by multiple grouping create and delete notifications in one request. ```[tasklist]...

Same as issue [#1739](https://github.com/RADAR-base/RADAR-Questionnaire/issues/1739) scheduling and canceling notifications start after the UI is ready for users.

When the app starts, it waits until all the protocols and questionnaires are fetched, then shows the current task or calendar after scheduling. For better UX, it would be good...

App Launcher error when the external app is not available

3

The app should check if the external app is installed. According to availability of the external app, it should show a proper message to the user. If the external app...

From Firebase Crashlytics: ``` Non-fatal Exception: org.json.JSONException: Value null at 1 of type org.json.JSONObject$1 cannot be converted to long at org.json.JSON.typeMismatch(JSON.java:101) at org.json.JSONArray.getLong(JSONArray.java:434) at org.apache.cordova.firebase.FirebasePlugin$29.run(FirebasePlugin.java:1054) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1137) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:637) at...