Page 122 - DCAP512_WAP_AND_WML

WAP & WML Sarabjit Kumar, Lovely Professional University

Notes Unit 9: Working with user Input

CONTENTS

Objectives
Introduction
9.1 Using Variables
9.2 Free form Input with <input>
9.3 Select and Option

9.3.1 Restricted Input with Select
9.3.2 The <option> Element
9.3.3 Option Groups

9.4 Selection on the Nokia
9.4.1 Selection on the Phone.com
9.5 Delivering Data to Applications
9.6 Summary
9.7 Keywords

9.8 Review Questions
9.9 Further Readings

Objectives

After studying this unit, you will be able to:
 Describe variables

 Demonstrate free form input with <input>
 Recognize restricted input with <select>
 Explain delivering data to applications

Introduction

This unit will familiarize you with what option menus are, how selections are done on the
Nokia WAP toolkit 1.2 and on Phone.com UP SDK. You will learn what events are and how they
are bound to tasks. Also it will familiarize you with the various WML tags such as the input tag
which enables information to be collected from users in the form of text fields, the select element
which gives a range of choices to the users to select from and the option group contains a list of
options that relate to the group, etc.

9.1 Using Variables

 A variable is a named location in memory where data can be stored.
 A variable consists of a name-value pair.

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