public IntentBuilder addEmailBcc(String address){
  if (mBccAddresses == null) {
    mBccAddresses=new ArrayList<String>();
  }
  mBccAddresses.add(address);
  return this;
}

public IntentBuilder addEmailBcc ( String address ) { if ( mBccAddresses == null ) { mBccAddresses = new ArrayList < String > ( ) ; } mBccAddresses . add ( address ) ; return this ; }
add an email address to be used in the " bcc " field of the final intent .
