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

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