Spinner's event is changed to Background Assuming that the item is divided into four categories: Black, Blue, DKGray, and White Is there any way to get it applied right away?
The current state is applied only when you change the color using a spinner and then turn it back or close the window and turn it on.
spinner background
It is difficult to give detailed advice because the code is too partial, but looking at that part, it seems that the value of _BackgroundColor is only changed, but there is no process for View renewal.
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