title: how to delete all contacts in contact list on android mobile programatically
body: <p>I want to delete all the contact on one button press from my application so can any one nice person can told me how to delete all the contacts from android mobile programmatically on only one button press? answer would be greatly appreciated...</p>
  
  <p>Actually I was surfing from a couple of hours but not got any appropriate answer. That's why I need to post my problem in this nice forum...thanks to such forum....</p>