WAP

A Beginner's Guide

By: Stephen Lee, Dale Bulbrook

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Paperback | 1 October 2001

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319 Pages

Dimensions(cm)
22.86 x 18.42 x 2.54

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A hands-on guide to Wireless Application Protocol (WAP) explains how to deliver information to WAP-enabled devices, provides a WML and WMLScript tutorial, describes how to integrate WAP into existing Web sites and networks, and discusses such issues as security, M-Commerce, and other applications. Original. (Beginner/Intermediate)

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Acknowledgments	p. xiii
Introduction	p. xv
Introducing WAP	p. 1
What Is WAP?	p. 2
Why is WAP Important?	p. 3
WAP's Benefits for Consumers	p. 5
A History of WAP	p. 6
A Time Before WAP	p. 6
The WAP Forum	p. 7
The Idea of WAP	p. 7
WAP Architecture	p. 8
The WAP Model	p. 9
Wireless Markup Language (WML)	p. 10
Evolution of WAP	p. 10
Adapting to the Restrictions of the Wireless Network	p. 10
The Business Case for WAP	p. 15
WAP Services	p. 15
Why WAP?	p. 20
The Future of WAP	p. 21
What Makes a Good WAP Application?	p. 23
The User's Point of View	p. 24
Ease of Use	p. 25
Designing for Users	p. 25
What Are the WAP Micro-Browser Issues Today?	p. 27
Writing a Genetic WML Interface	p. 28
Targeting Your Market Micro-Browser	p. 29
How to Design a Good WAP Application	p. 30
The Application-Design Process	p. 32
Common Design Mistakes	p. 37
The User Interface	p. 39
User Interface Basic	p. 40
Low Bandwidth	p. 42
Small Screen Size	p. 42
Text Entry	p. 43
Number of Keystrokes	p. 43
Password Text Entry	p. 44
Application Personalization	p. 44
Data Field Entry	p. 45
Using the Cache	p. 45
Types of WML Cards	p. 47
Choice Cards	p. 47
Entry Cards	p. 49
Display Cards	p. 49
The "Back" Button	p. 50
Graphics	p. 51
WAP Development Tools and Software	p. 53
Editors and Emulators	p. 55
WAP Editors	p. 55
WAP Emulators	p. 58
Software Developer Kits (SDKs) and Integrated Development Environments (IDEs)	p. 60
Converting Images	p. 62
Specification of Well-Defined WBMP Types	p. 62
Summary	p. 63
Working with WML	p. 65
WML Basics	p. 66
WAP and the Web	p. 67
Writing WML Code	p. 68
The "Hello World" Example	p. 70
The Document Prologue	p. 70
The Deck Header	p. 72
The First Card	p. 72
The Second Card	p. 72
The Deck Footer	p. 73
A Services Site Example	p. 73
Using Multiple Decks	p. 73
Building the Services Site	p. 74
What's in a Card	p. 75
Graphics	p. 76
The Services Site with Graphics	p. 78
Creating Links	p. 80
The WML Site with Links	p. 81
Templates	p. 83
Interactivity: Forms and User Input	p. 85
The Options Menu (Select)	p. 86
Selection on the Nokia	p. 87
Selection on Phone.com	p. 88
Option Groups	p. 88
Templates Revisited	p. 92
The Do Element	p. 94
Events	p. 98
Onenterbackward	p. 98
Onenterforward	p. 101
Onpick	p. 102
Ontimer	p. 103
Variables	p. 104
Using Variables	p. 105
Other Ways of Setting Variables	p. 108
The Input Tag	p. 110
Data Formatting	p. 112
Summary	p. 116
Adding Functionality with WMLScript	p. 117
What is WMLScript?	p. 118
The Rules of WMLScript	p. 119
Case Sensitivity	p. 120
Whitespace and Line Breaks	p. 120
Comments	p. 120
Statements	p. 122
Code Blocks	p. 122
Variables	p. 123
Variable Scope	p. 124
Operators	p. 124
Assignment Operator	p. 125
Arithmetic Operators	p. 125
Bitwise Operators	p. 126
Increment and Decrement Operators	p. 126
Logical Operators	p. 128
Comparison Operators	p. 129
String Concatenation	p. 131
The Comma	p. 131
The typeof Operator	p. 132
The isvalid Operator	p. 133
The Conditional Operator	p. 133
Operator Precedence	p. 134
Control Constructs	p. 135
If Statements	p. 135
While Statements	p. 137
For Statements	p. 137
Stopping Loops or Skipping Unnecessary Loop Statements	p. 138
Reserved Words	p. 140
Functions	p. 141
Parameters	p. 141
Calling Functions	p. 142
The Standard Libraries	p. 145
The Dialogs Library	p. 146
The Float Library	p. 146
The Lang Library	p. 147
The String Library	p. 149
The URL Library	p. 150
The WML Browser Library	p. 152
Arrays	p. 152
Pragmas	p. 154
External Files	p. 155
Access Control	p. 156
Metadata	p. 157
General Coding Principles	p. 157
Database-Driven WAP	p. 159
Active Server Pages	p. 161
ASP and WAP	p. 162
The ASP Object Model	p. 164
ActiveX Data Objects (ADO)	p. 168
Physically Connecting to the Database	p. 168
Querying the Database	p. 169
Using the Returned Data	p. 169
Tidying Up	p. 170
Some Additional Notes about Connections	p. 170
A Dynamic WAP Application	p. 171
Worldwide-Dance-Web for WAP	p. 172
Data Flow	p. 172
Building the Database	p. 173
Writing the Code	p. 176
Summary	p. 193
Converting Existing Web Sites	p. 195
Why Convert an Existing HTML Web Site to WAP?	p. 196
What Should You Convert?	p. 196
Methods of Conversion	p. 197
A Demonstration HTML Conversion	p. 202
Summary	p. 210
M-Commerce and Security	p. 213
Types of Security and Why It Is Necessary	p. 214
What Is an Acceptable Level of Security?	p. 215
How Secure Is WAP?	p. 215
A Brief History of Encryption	p. 216
Cryptography	p. 216
Wireless Transport Layer Security	p. 219
The Handshake	p. 220
Summary	p. 221
Push Technology and Telematics	p. 223
Push Technology	p. 224
The Push Framework	p. 224
Telematics	p. 228
Location-Sensitive Information	p. 228
Applications for Telematics	p. 229
Push and Telematics Together	p. 230
User Privacy	p. 231
Summary	p. 231
What the Future Holds	p. 233
Technology with Users in Mind	p. 234
Bluetooth--Cutting the Cords	p. 235
Voice XML--a New Slant on "Walkie/Talkie"	p. 237
Telematics--We Know Where You Are	p. 238
Bringing It All Together	p. 239
WMLScript Reference	p. 241
Case Sensitivity	p. 242
Whitespace and Line Breaks	p. 242
Comments	p. 243
Constants	p. 244
Integer Constants	p. 244
Floating-point Constants	p. 244
String Constants	p. 245
Boolean Variables	p. 246
Invalid Variables	p. 246
Reserved Words	p. 247
Variables	p. 248
Variable Declaration	p. 248
Variable Scope and Lifetime	p. 248
Data Types	p. 249
Pragmas	p. 250
External Files	p. 250
Access Control	p. 251
Metadata	p. 252
Operators	p. 253
Assignment Operators	p. 253
Arithmetic Operators	p. 254
Logical Operators	p. 255
String Operators	p. 256
Comparison Operators	p. 256
Comma Operator	p. 257
Conditional Operator	p. 258
typeof Operator	p. 258
isvalid Operator	p. 259
Expressions	p. 259
Functions	p. 260
Function Declarations	p. 260
Function Calls	p. 260
Statements	p. 262
Empty Statements	p. 262
Expression Statements	p. 262
Block Statements	p. 262
Variable Statements	p. 263
If Statements	p. 263
While Statements	p. 264
For Statements	p. 264
Break Statements	p. 265
Continue Statements	p. 265
Return Statements	p. 266
Libraries	p. 266
Notational Conventions	p. 266
Lang Library	p. 267
Float Library	p. 272
String Library	p. 275
URL Library	p. 284
WML Browser Library	p. 290
Dialogs Library	p. 293
Console Library	p. 295
Glossary	p. 297
Index	p. 307
Table of Contents provided by Syndetics. All Rights Reserved.

WAP

A Beginner's Guide

At a Glance

Paperback

Shipping

How to return your order

Defective items

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