Android AdapterView.OnItemSelectedListener，androidadapterview

Android AdapterView.OnItemSelectedListener，androidadapterview
AdapterView.OnItemSelectedListenerSummary

Public Methods
abstract void	onItemSelected(AdapterView<?> parent, View view, int position, long id) Callback method to be invoked when an item in this view has been selected.
abstract void	onNothingSelected(AdapterView<?> parent)Callback method to be invoked when the selection disappears from this view.

Parameters

parent	The AdapterView where the selection happened
view	The view within the AdapterView that was clicked
position	The position of the view in the adapter
id	The row id of the item that is selected