title: Unfortunately MyApp has stop working when some listview item click
body: <p>I am new in android. I have been developing a simple App. I have listview that contain 50 items. It's working when i click some top items. But when i scroll down the item and click some bottom item, it gives error "unfortunately myapp has stop working". 
  I used switch case on listview item click. </p>
  
  <p>can you give me how to solve this problem.? </p>