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Dart Requires Chilkat v11.0.0+

Create Apple Watch HTML (text/watch-html) Email

See more Email Object Examples

Demonstrates how to create an Apple Watch text/watch-html email.

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Dart
import 'package:chilkat/chilkat.dart';

void main() {
  // This example will produce an email such as:

  // 	MIME-Version: 1.0
  // 	Date: Fri, 02 Jun 2017 09:17:06 -0500
  // 	Message-ID: <E6F1F17104442EA09740322D3E2E78806C87FB80@CHILKAT13>
  // 	X-Priority: 3 (Normal)
  // 	Subject: Apple Watch Example
  // 	From: from@example.org
  // 	To: to@example.org
  // 	Content-Type: multipart/alternative; boundary="------------080904030200000307060803"
  // 
  // 	--------------080904030200000307060803
  // 	Content-Type: text/plain; charset=utf-8
  // 	Content-Transfer-Encoding: quoted-printable
  // 	Content-Disposition: inline
  // 
  // 	This is the plain text part.
  // 	--------------080904030200000307060803
  // 	Content-Type: text/watch-html; charset=utf-8
  // 	Content-Disposition: inline
  // 	Content-Transfer-Encoding: quoted-printable
  // 
  // 	<b>This is the Watch HTML part</b>
  // 	--------------080904030200000307060803
  // 	Content-Type: text/html; charset=utf-8
  // 	Content-Disposition: inline
  // 	Content-Transfer-Encoding: quoted-printable
  // 
  // 	<p>This is the standard HTML part</p>
  // 	--------------080904030200000307060803--

  // Create a new email instance to get the default auto-created fields.
  final email = CkEmail();
  email.body = 'This is the plain text part.';
  email.subject = 'Apple Watch Example';
  email.from = 'from@example.org';
  email.addTo('', 'to@example.org');

  print(email.getMime());
  print('--');

  // This is the MIME so far:
  // (Chilkat automatically removes CKX-* headers when sending email.)

  // 	MIME-Version: 1.0
  // 	Date: Fri, 02 Jun 2017 09:17:06 -0500
  // 	Message-ID: <E6F1F17104442EA09740322D3E2E78806C87FB80@CHILKAT13>
  // 	Content-Type: text/plain; format=flowed
  // 	Content-Transfer-Encoding: 7bit
  // 	X-Priority: 3 (Normal)
  // 	Subject: Apple Watch Example
  // 	From: from@example.org
  // 	To: to@example.org
  // 
  // 	This is the plain text part.

  // We'll use the Chilkat MIME object to build it.
  // The MIME API provides more flexibility..
  final mime = CkMime();
  mime.loadMime(email.getMime());

  // Convert this MIME to multipart/alternative.
  mime.convertToMultipartAlt();

  print(mime.getMime());
  print('--');

  // We now have this MIME:

  // 	MIME-Version: 1.0
  // 	Date: Fri, 02 Jun 2017 09:17:06 -0500
  // 	Message-ID: <E6F1F17104442EA09740322D3E2E78806C87FB80@CHILKAT13>
  // 	X-Priority: 3 (Normal)
  // 	Subject: Apple Watch Example
  // 	From: from@example.org
  // 	To: to@example.org
  // 	Content-Type: multipart/alternative; boundary="------------080904030200000307060803"
  // 
  // 	--------------080904030200000307060803
  // 	Content-Type: text/plain; format=flowed
  // 	Content-Transfer-Encoding: 7bit
  // 
  // 	This is the plain text part.
  // 	--------------080904030200000307060803--

  // If we desire a particular charset, encoding, or disposition..

  final partPlainText = CkMime();
  try {
    mime.partAt(0, partPlainText);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  partPlainText.charset = 'utf-8';
  partPlainText.disposition = 'inline';
  partPlainText.encoding = 'quoted-printable';

  // Create the text/watch-html MIME part and add it.
  final partWatchHtml = CkMime();
  partWatchHtml.contentType = 'text/watch-html';
  partWatchHtml.charset = 'utf-8';
  partWatchHtml.disposition = 'inline';
  partWatchHtml.encoding = 'quoted-printable';
  partWatchHtml.setBody('<b>This is the Watch HTML part</b>');
  mime.appendPart(partWatchHtml);

  print(mime.getMime());
  print('--');

  // We now have this MIME:

  // 	MIME-Version: 1.0
  // 	Date: Fri, 02 Jun 2017 09:17:06 -0500
  // 	Message-ID: <E6F1F17104442EA09740322D3E2E78806C87FB80@CHILKAT13>
  // 	X-Priority: 3 (Normal)
  // 	Subject: Apple Watch Example
  // 	From: from@example.org
  // 	To: to@example.org
  // 	Content-Type: multipart/alternative; boundary="------------080904030200000307060803"
  // 
  // 	--------------080904030200000307060803
  // 	Content-Type: text/plain; charset=utf-8
  // 	Content-Transfer-Encoding: quoted-printable
  // 	Content-Disposition: inline
  // 
  // 	This is the plain text part.
  // 	--------------080904030200000307060803
  // 	Content-Type: text/watch-html; charset=utf-8
  // 	Content-Disposition: inline
  // 	Content-Transfer-Encoding: quoted-printable
  // 
  // 	<b>This is the Watch HTML part</b>
  // 	--------------080904030200000307060803--

  // Create the text/html MIME part and add it.
  final partHtml = CkMime();
  partHtml.contentType = 'text/html';
  partHtml.charset = 'utf-8';
  partHtml.disposition = 'inline';
  partHtml.encoding = 'quoted-printable';
  partHtml.setBody('<p>This is the standard HTML part</p>');
  mime.appendPart(partHtml);

  print(mime.getMime());
  print('--');

  // We now have this MIME:

  // 	MIME-Version: 1.0
  // 	Date: Fri, 02 Jun 2017 09:17:06 -0500
  // 	Message-ID: <E6F1F17104442EA09740322D3E2E78806C87FB80@CHILKAT13>
  // 	X-Priority: 3 (Normal)
  // 	Subject: Apple Watch Example
  // 	From: from@example.org
  // 	To: to@example.org
  // 	Content-Type: multipart/alternative; boundary="------------080904030200000307060803"
  // 
  // 	--------------080904030200000307060803
  // 	Content-Type: text/plain; charset=utf-8
  // 	Content-Transfer-Encoding: quoted-printable
  // 	Content-Disposition: inline
  // 
  // 	This is the plain text part.
  // 	--------------080904030200000307060803
  // 	Content-Type: text/watch-html; charset=utf-8
  // 	Content-Disposition: inline
  // 	Content-Transfer-Encoding: quoted-printable
  // 
  // 	<b>This is the Watch HTML part</b>
  // 	--------------080904030200000307060803
  // 	Content-Type: text/html; charset=utf-8
  // 	Content-Disposition: inline
  // 	Content-Transfer-Encoding: quoted-printable
  // 
  // 	<p>This is the standard HTML part</p>
  // 	--------------080904030200000307060803--

  // Load the email object with this MIME, and we're good to go..
  email.setFromMimeText(mime.getMime());
  print(email.getMime());
}