How to remove duplicate devices in bluetooth connection using GKPeerPickerController in ios -

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i want connect 2 ios devices via bluetooth using gkpeerpickercontroller. @ first time, connects after there problem in connction on can't connected.

there duplicate devices listing in gkpeerpickercontroller alert while searching near devices. please me.

i using following code search nearby devices via bluetooth.

#pragma mark - gamekit peer picker -(void)startsearch { gkpeerpickercontroller *picker = [[gkpeerpickercontroller alloc] init]; picker.delegate = self; [picker show]; }  -(void)peerpickercontrollerdidcancel:(gkpeerpickercontroller *)picker{picker.delegate = nil;}  -(gksession *)peerpickercontroller:(gkpeerpickercontroller *)picker sessionforconnectiontype:(gkpeerpickerconnectiontype)type {    nsstring *sessionidstring = @"mtbluetoothsessionid";   return [[gksession alloc] initwithsessionid:sessionidstring displayname:nil sessionmode:gksessionmodepeer];  }  -(void)peerpickercontroller:(gkpeerpickercontroller *)picker didconnectpeer:(nsstring *)peerid tosession:(gksession *)session {}


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