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I have an android spinner that has an arrow that points down. When the list is open, I would like the arrow to point up. There used to be a state_dropdown_showing. In API 15 (4.0.3) this state seems to be removed.
What is the proper way to know if the list is open or not, such that the background of the spinner (including the arrow) could be changed dynamically via XML?
I think you have to use separate ping for showing UP arrow
The first link is really useful , other links may give you some idea:
http://www.gersic.com/blog.php?id=57
Android – Issue with custom Spinner background
Custom Spinner Background
Custom Spinner Background