I have ,in a fragment, a method call who open an AlertDialog when an user tap on an button, in that dialog I would like to show a Spinner with countries ( Spain, Italy, Fren
In my case I solved the problem just setting for all the modules in the project the same SDKCompileVersion. Here it is my complete answer in a similar question
Cheers
Could not find class 'android.widget.ThemedSpinnerAdapter' [Android Studio]