I'm working on a material design web-app designed for a mobile/touch environment.
Obviously I have tight space constrains and would like to know what is the best-practice for conditionally providing a sub-set of options.
I don't really like the idea of showing two selects only when the appropriate option is selected.
- Option 01
- Option 02
- Option 03
- Option 04
- Option 05 (only this has the "sub-options" i.e. [sub1, sub2, sub3, sub4, sub5])
More info about the context: these are a sort of preferences... options in this case are different kinds of visualizations but the option number five has a more detailed visualization divided by areas.
(Thanks @cyberspark I don't know how to thank you for edit)