Add onPressed function for dropdown button to make dropdown open

[A7MeDG0L0L]

[hslbetto]

Give more detail, please.

[ehusmann]

I am having the same issue. If I place a drop down arrow in the suffix icon of the input element it cannot trigger the display of the dropdown options on press event of the button. I can set focus to the element itself, but that does not show the drop down. How can this be done?