title: customizing incoming call screen in android
body: <p>i am created an app for showing customizing call screen ,using phonsstatelistener.
  The screen is having my created pick and end button for answering and rejecting the incoming call respectively.
  But,the pick button doesnt work in <strong>android Version 2.3+</strong> giving Secuirty Exception.</p>
  
  <p>Please provide any other way out of showing data on the phone incoming call screen in android</p>