I have a gridview that just needs to hold 4 buttons, and as soon as I continue to get an operation that is not supported when AdapterView fails during execution. Can you populate gridview through xml?
You cannot add children to a GridView in XML. You need to create the appropriate Adapter and bind it to the GridView via setAdapter() .
GridView
Adapter
setAdapter()
Most likely, if you have only four buttons, you do not want the GridView in the first place.
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