UI Support to display graph.

[AdityaKBhadragond14]

Is your feature request related to a problem? Please describe. Currently there is no support to display the UI for graphs. We have devices like ECG, Spirometer, etc. which return some graph data. This data is in terms of an array of datapoints and currently the Android FHIR SDK does not has any support to show the graph data.

Describe the solution you'd like A design to display the graph data.

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.

Additional context Reference UI design.

• Spirometer example:

• ECG example:

Zulip chat:

• https://chat.fhir.org/#narrow/stream/179255-questionnaire/topic/Handling.20data.20from.20ECG.2C.20Spirometer.20and.20other.20such.20devices.2E

Would you like to work on the issue? Yes.

[FikriMilano]

Fyi @rowo

[FikriMilano]

@AdityaKBhadragond14 can you clarify, is the graph going to be shown in a questionnaire?

[AdityaKBhadragond14]

Hi @FikriMilano . Yes it has to be part of questionnaire.

[FikriMilano]

@AdityaKBhadragond14 @joiskash @jingtang10 can we consider a use case where we can also retrieve and provide data from other fields and even other forms? displaying data from previous forms would be the use case I see happening most — like a growth monitoring chart while collecting weight, or pregnant woman weight, or stock average used while trying to figure out how much to order.

those data retrievals from other fields and forms are using FHIRPath and X-FHIR-Query, my only concern is on how we will declare an array with those data, so we can give that array to the graph. Note that FHIRPath doesn't have the capability to declare an array (only manipulate).

[jingtang10]

@AdityaKBhadragond14 thanks for raising this. We do have support for displaying images in questionnaire at the moment. Does that suit your needs? What format is your graph? How is it integrated with the questionnaire? Is it part of a question (which doesn't seem to be the case in your screenshots above)? Do they need to have specific format options?

We need to answer these questions before implementation. Thanks!

[jingtang10]

@joiskash thanks for taking this - can you share some of your thoughts?

[AdityaKBhadragond14]

Hi @jingtang10 . We are using the custom widgets approach with the questionnaire. The custom widget is a edit text field and a button. In case of Electrocardiogram device there are twelve graphs in a single chart and in case of spirometry device there is a single graph. So, the graph format varies from device to device.