title: Difference between onItemClickListener and OnItemSelectedListener of AdapterView
body: <p>What is the difference between these two listeners,documentation says :</p>
  
  <p>OnItemSelectedListener - Interface definition for a callback to be invoked when an item in this view has been selected.</p>
  
  <p>OnItemClickListener - Interface definition for a callback to be invoked when an item in this AdapterView has been clicked.</p>
  
  <p>Selection,Click aren't these equal on touch screen?</p>