android spinner performClick onItemSelected

Question

I have a little problem with a spinner.

I create a Spinner the user click a Button. The Spinner is shown as it should be, but

Answer 1

why do you have spinner = new Spinner(this) in the set-up ?

surely you already have a Spinner in the XML of your layout, then you simply do spinner = (Spinner) findViewById(R.id.WHATEVER_THE_ID_IS_IN_THE_XML); so you don't need a new

P.S. this is how I define a Spinner in an XML layout