code: public static Intent newEmailIntent(String address, String subject, String body) {
          return newEmailIntent(address, subject, body, null);
      }
docs: Create an intent to send an email to a single recipient
  
  @param address The recipient address (or null if not specified)
  @param subject The subject of the email (or null if not specified)
  @param body    The body of the email (or null if not specified)
  @return the intent