@Override
 public void onPickPhoneNumberAction(Uri dataUri) {
   // Specify call-origin so that users will see the previous tab instead of
   // CallLog screen (search UI will be automatically exited).
   PhoneNumberInteraction.startInteractionForPhoneCall(
       DialtactsActivity.this, dataUri, CALL_ORIGIN_DIALTACTS);
 }
 @Override
 public void onContactSelected(Uri contactUri) {
   PhoneNumberInteraction.startInteractionForPhoneCall(
       DialtactsActivity.this, contactUri, CALL_ORIGIN_DIALTACTS);
 }