How do I use list data to populate spinner?

[TIMAI2]

In its most basic form:

For more complete use:

Spinner Setup

The spinner component is an odd thing, and requires some rigour to get control of it. This is how I usually setup a spinner so that all the selections are available every time. I use a button to set the selection and call the spinner dropdown, and "hide" the spinner by setting its height and width to 1 pixel each. If placed inside a centred horizontal arrangement, the spinner should be invisible in all themes. Note: something has recently changed with the spinner, it seems you can now set heig…