Page 78 - DCAP512_WAP_AND_WML

WAP & WML

Notes </p>
</card>
<card id=”card2" title=”My Second Card”>
<p><a href=”#card1">Back to Card One</a>

</p>
</card>
</wml>
Anchor links enable the navigation between different WML cards. If you select an anchor link,
you will be brought to another WML card in the current deck or in another deck.
The <anchor></anchor> tag pair is used to create an anchor link. It is used together with tags
such as <go/> and <prev/>, which tell WAP browsers what to do when a user selects the anchor
link. <go/> and <prev/> should be enclosed within the <anchor></anchor> tags, like this:
<anchor>

<go href=”...” ... />
</anchor>
<anchor>
<prev/>

</anchor>
Like HTML, WML uses a URL (Uniform Resource Locator) to refer to the location of a WML file
or a card in a deck. The href attribute of the <go/> tag is used to specify the URL. Both absolute
and relative URLs are accepted. URLs in WML have the same form as those in HTML. Here is the
general form of an absolute URL in WML:

http://host_name/path/file_name#offset?parameter1=value1¶meter2=value2...
The protocol used in WML URLs is HTTP. The reason is that WAP gateways request WML files
from ordinary web servers using the HTTP protocol, although wireless devices communicate
with WAP gateways using WAP protocols.

Task Analyze what are the basic and important tags used in WML for navigation?

6.3.1 WML Links

 Links are user-selectable hotspots.
 Links offer navigation capabilities.
 WML links are equivalent to HTML hyperlinks.

 Links are deployed in WML as either the <anchor> tag or the <a> tag.
Link-Anchor Elements
 The <a> element

 simple hot spot

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