HEY FRIENDS OFFICIAL TRICK IS COME WITH A AWESOME TRICK WHICH YOU LIKE...
STEPS:
» FrIends FIrst DowNload AIrCall Accept Free App From Here and Install It
» Run the app and switch on the functionality
» Now your app is ready, thus whenever you will get a call all you need is to wave your hand over the proximity sensor area nd your phone should pick up the gesture.
Now EnJoy ....
Note:-
>You can Answer Calls by putting your hand or ear close
>You can Reject call also
>You can automate the speaker phone
>Can send SMS after rejecting call