Page 138 - DCAP512_WAP_AND_WML
P. 138
WAP & WML
Notes The UP.SDK also includes tools for requesting and installing SSL certificates for security
purposes. Phone.com extends WAP’s capabilities through fax and notification support.
WML card can be set up to display the table functions of WML. A WML card can be set up
to use the timer function of WML. The time unit of the timer is 1/10 of a second.
9.7 Keywords
Do element: It is used to bind events to tasks.
Events: Tasks are typically linked to events. Events can be either user initiated or intrinsic
Fieldset Element: It allows you to group select or input elements within a card to make navigation
simpler.
Input Element: The <input> element defines an entry field. Information entered here can be
referenced within our WML decks or can be passed to our application server.
Optgroup Element: It allows you to group options so they are more manageable.
Option Element: It is used with the select element to define the choices available.
Option Group: It contains a list of options that relate to the group.
Phone.com UP.SDK.: UP.SDK provides a set of reusable code libraries for use with languages
such as WML, Perl, C, C++, and Visual Basic.
Select> selection lists: It gives users a choice of several predetermined answers in the forms of
radio buttons or check boxes.
Template: It applies to all the cards in deck.
The WAP Toolkit 1.2: It offers developers an environment for creating and testing and
demonstrating WAP applications and allows service providers to evaluate the usability of
wireless applications and services with their end user organizations.
Variable: It is a named location in memory where data can be stored. A variable consists of a
name-value pair.
WML Links: They are user-selectable hotspots, offer navigation capabilities, are equivalent to
HTML hyperlinks and links are deployed in WML as either the <anchor> tag or the <a> tag.
9.8 Review Questions
1. When someone executes a task, the setvar element can be used to set a variable with a
specified value. Explain with the proper example.
2. The <input> entry fields collect information from the user in the form of text fields.
Explain.
3. The Nokia toolkit currently runs only on Windows NT 4.0 but note that the Nokia WAP
Toolkit also requires a Java 2 runtime. Comment.
4. Scrutinize ‘Options’ in terms of WML? How do you do the selection in Nokia and
Phone.com?
5. Substantiate what are Events? How do they help you in WML programming?
6. The <option> attributes are onpick, value and title. Explain.
7. The optgroup element allows you to group options so they are more manageable. Discuss.
132 LOVELY PROFESSIONAL UNIVERSITY