Understanding WAP: Wireless Applications, Devices, and by Marcus Taylor

By Marcus Taylor

Study the entire fundamentals of the way the instant software Protocol is ready to convey Internet-based providers to all kinds of cellular units with this accomplished new source. It examines each element of WAP, assisting you with hands-on improvement of WAP functions, a space severe to the good fortune of WAP within the shopper market. You study the technical information in the back of this new protocol and the severe company matters concerning its implementation. what is extra, it offers an in-depth evaluate of the technical requirements and safety concerns linked to WAP. not like different books at the topic, this useful reference is greater than simply an evidence of the factors. You get precious info on how WAP is impacting present enterprise types and price chains of telcos, and knowledge and repair providers.Software incorporated! incorporates a CD-ROM containing the full WAP criteria, chosen software program and pattern WAP functions, and extra.

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Can be ‘left’, ‘center’, or ‘right’. Line-wrap mode for paragraph. Can be ‘wrap’or ‘nowrap’. Name of the data to be posted. Value of the data to be posted. Render the page again with the current value of the variables. Title of this element. Name of the variable to be set as the result of a selection. Default value of the variable to be set. Name of the variable to be set with the index of the selected option. Default value of the variable to be set with the index of the selected option. Multiple selections.

The following gives an example of how a behavior similar to that of HTML forms could be achieved, using the POST functionality of the go task. Note that the structuring of the data in the POST is not implicit in the structure of the input fields, as it is in HTML, but must be specified explicitly with a number of postfietd elements, each specifying a name and a value. 5); and noop, which does nothing (no operation). Calls to WMLScript are handled as a special case of the go task. 4), and directly by an element called do.

This provides a mechanism for including various types of meta-information related to the deck, such as access control information, details of the character set, and a variety of other data. 2 User input WML provides a set of elements for receiving input from the user. 5. There is an input element supporting the entry of numeric or alphanumeric input data. Attributes on the element can indicate what type of input is to be accepted: numeric, alphanumeric, or both, and even specify the exact format of the user input that is to be accepted (for example, a date entered as YYYY-MM -DD), whether empty input is acceptable as well, and the maximum length of the input.

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