Beginner's Guides (Osborne)

A Beginner's Guide

By: Kris Jamsa

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Paperback | 1 January 2001

At a Glance

Paperback
466 Pages

Edition Type
Annotated

Dimensions(cm)
22.23 x 18.42 x 2.54

Paperback

$64.75

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Create real-world Wireless applications--even if you've never worked with WML or WMLScript before--using this hands-on introductory resource. You'll get full details on WAP, and learn to build applications that will run on your Web-enabled cellular phone. From formatting text, displaying images, and creating wireless bitmap files, this beginner's guide provides you with all the tools you need to construct your own wireless Web site and other WML-based applications.

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Non-Fiction Computing & I.T.Computer Programming & Software Development Programming & Scripting Languages Graphical & Digital Media Applications Web Graphics & Design Web Programming Computer Networking & Communications Networking Standards & Protocols Engineering & Technology Electronics & Communications Engineering Communications Engineering & Telecommunications

Databases Data Capture & Analysis

Acknowledgments	p. xix
Introduction	p. xxi
Getting Started on the Wireless Web	p. 1
What You Need to Access the Wireless Web	p. 2
Previewing the Wireless Web	p. 4
Wireless Search Engines	p. 4
Wireless News and Information Sites	p. 5
Wireless Sports Information Sites	p. 6
Wireless Financial Sites	p. 7
Wireless Mobile Commerce (M-Commerce) Sites	p. 8
Surfing the Wireless Web	p. 9
Typing on a Phone's Numeric Keypad	p. 10
Accessing the Wireless Web via a Web-Enabled Phone	p. 11
Traversing Wireless Links	p. 11
Downloading a Phone Simulator	p. 12
Downloading the Phone.com Software Development Kit	p. 12
Downloading the Nokia Software Development Kit	p. 14
Downloading the Ericsson Software Development Kit	p. 14
Understanding WML--the Wireless Markup Language	p. 18
Where to Place Your Wireless Site	p. 19
Creating Your First Wireless Site	p. 20
Surfing the Wireless Web	p. 23
Mastery Check	p. 24
Creating Your First WML Application	p. 25
Selecting a Text Editor	p. 26
Organizing Your WML Applications	p. 28
Building Your First WML Application: Hello, Wireless World!	p. 29
Using the Phone Simulator's Console Window	p. 34
Taking a Closer Look at Hello, Wireless World!	p. 35
Building an Automated Phone Book	p. 45
WML and Arithmetic Operations	p. 50
Understanding Whitespace	p. 51
Correcting Logic Errors	p. 54
Using the Personal Web Server to Launch Your Wireless Application	p. 54
Creating a Virtual Grocery List	p. 56
Mastery Check	p. 58
Formatting Output	p. 61
Aligning Paragraph Text	p. 62
Controlling Line Wrapping	p. 65
Using Styles to Format Text	p. 66
Displaying Simple Images	p. 68
Creating a WBMP File	p. 68
Placing a WBMP Image in a WML Application	p. 70
Using Your Phone's Built-In Images	p. 73
Organizing Data in Tables	p. 79
Formatting Table Data	p. 83
Creating a Virtual Cookbook	p. 91
Taking Advantage of Special Characters	p. 93
Mastery Check	p. 96
Working with Multiple Cards and Variables	p. 99
Using Two or More Cards	p. 100
Understanding the [left angle bracket]do type="accept" label="text"[right angle bracket] Tag	p. 104
Displaying a Week's Weather Report	p. 109
Moving Back to the Previous Card	p. 113
Putting Your Favorite Recipes on the Wireless Web	p. 117
Accessing Cards That Reside Outside of the Current Deck	p. 119
Using an Anchor to Create a Link	p. 123
Creating a Link to a Card Within an External Deck	p. 125
Storing Information in Variables	p. 130
Naming Your Variables	p. 132
WML Variables Store Character Strings	p. 133
Using the Value a Variable Contains	p. 133
Using [left angle bracket]setvar[right angle bracket] to Assign a Value to a Variable	p. 134
Changing a Variable's Value	p. 135
Understanding the Variable Context	p. 139
Viewing Variables with the Phone Simulator's Console Window	p. 140
Using Comments to Explain Your Application's Processing	p. 141
Mastery Check	p. 144
Performing User Input Operations	p. 147
Performing Input Operations	p. 148
Restricting the Number of Characters the User Can Input	p. 150
Using a Microbrowser-Specific Input Field	p. 153
Specifying a Title for the Input Field	p. 154
Prompting the User for a Password	p. 154
Providing a Default Input Value	p. 156
Controlling Input Format	p. 158
Controlling Empty Strings	p. 160
Structuring Input Format	p. 162
Repeating a Formatting Code a Specific Number of Times	p. 163
Using the [left angle bracket]select[right angle bracket] Tag to Create a Menu of Choices	p. 165
Assigning an Index Value that Corresponds to a User's Selection	p. 168
Letting the User Choose Multiple [left angle bracket]select[right angle bracket] Tag Options	p. 170
Checking Off Grocery List Items as You Shop	p. 172
Grouping Options Within a [left angle bracket]select[right angle bracket] Tag	p. 174
Understanding Field Sets	p. 176
Understanding Events	p. 179
WML Events Can Trigger Specific Tasks	p. 180
Reviewing the [left angle bracket]go[right angle bracket] and [left angle bracket]prev/[right angle bracket] Events	p. 180
Understanding the [left angle bracket]noop[right angle bracket] Tag	p. 182
Understanding the [left angle bracket]refresh[right angle bracket] Tag	p. 183
Using the [left angle bracket]do[right angle bracket] Tag to Respond to Events	p. 184
Responding to Other Events	p. 186
Using Templates	p. 195
Using the [left angle bracket]meta[right angle bracket] Tag	p. 196
Mastery Check	p. 198
Building Real-World WML Applications	p. 201
Creating Your Own Wireless Site	p. 202
Taking a Closer Look at MyInfo.wml	p. 204
Adding a Photo to Your Wireless Web Site	p. 206
Creating a Wireless Site for Family Information	p. 207
Taking a Closer Look at FamilyInfo.wml	p. 210
Creating a Wireless Company Locator	p. 212
Taking a Closer Look at Locator.wml	p. 217
Creating a News Feed	p. 218
Mastery Check	p. 224
Automating WML Applications Using WMLScript	p. 225
Place WMLScript Statements Within a.wmls File	p. 226
Understanding WMLScript Functions	p. 229
Understanding WMLScript Reserved Words	p. 230
Looking at a Simple Example	p. 231
Revisiting Hello, Wireless World!	p. 232
Using Comments to Explain Your Script's Processing	p. 234
Storing Information in WMLScript Variables	p. 236
Declaring Variables Within Your Script	p. 237
Assigning a Value to a Variable	p. 238
Using the Value a Variable Contains	p. 239
Understanding Floating-Point Precision	p. 240
Performing Arithmetic Operations	p. 242
Incrementing a Variable's Value by 1	p. 244
Using Prefix (Before) and Postfix (After) Increment Operators	p. 246
Other WMLScript Operators	p. 247
Understanding Operator Precedence	p. 248
Controlling the Order in Which WMLScript Performs Arithmetic Operations	p. 250
Calling a WMLScript Function from Another Function	p. 251
Passing WML Variables and Other Values as Parameters to a WMLScript Function	p. 255
Using Conditional Processing to Make Decisions	p. 257
Using Relational Operators to Compare Two Values	p. 257
Using the if Statement to Test a Condition	p. 258
Understanding Simple and Compound Statements	p. 259
Using the Else Statement for False Conditions	p. 260
Using Logical Operators to Test Two or More Conditions	p. 262
Understanding How WMLScript Represents True and False	p. 263
Using the WMLScript Not Operator	p. 263
Performing If-Else Processing	p. 264
Using Iterative Processing to Repeat Specific Statements	p. 265
Using the for Statement to Repeat Statements a Specific Number of Times	p. 265
Using a While Loop to Repeat Statements While a Condition is True	p. 268
Accessing WML Variables From Within WMLScript	p. 270
Using the use access Pragma to Restrict Access to a WMLScript File	p. 272
Using the use Pragma to Simplify Access to External Functions	p. 273
Mastery Check	p. 274
Using the WMLScript Libraries	p. 275
Understanding Libraries, Functions, and Parameters	p. 276
Using the WMLScript Dialogs Library	p. 277
Alerting the User of a Problem or Event	p. 277
Confirming an Operation with the User	p. 279
Prompting the User for Input	p. 282
Using the WMLScript Float Library	p. 286
Checking a Phone for Floating-Point Support	p. 287
Determining the Range of Values Your Device Supports	p. 289
Rounding and Truncating Values	p. 291
Raising One Value to the Power of Another	p. 295
Calculating a Value's Square Root	p. 297
Using the WMLScript Lang Library	p. 298
Aborting the Current Application	p. 299
Determining a Value's Absolute Value	p. 301
Determining the Current Character Set	p. 303
Testing for a Valid Integer or Floating-Point Number	p. 304
Determining Maximum and Minimum Values	p. 306
Parsing a String for an Integer or Floating-Point Value	p. 308
Generating a Random Number	p. 310
Using the WMLScript String Library	p. 314
Determining the Character at a Specific Location in a String	p. 316
Comparing Two Character Strings	p. 318
Formatting a String's Contents	p. 320
Working with Delimited Strings	p. 322
Testing for an Empty String	p. 328
Determining a String's Length	p. 329
Removing Whitespace from Within a String	p. 330
Extracting a Substring from Within a String	p. 332
Converting a Result to a String	p. 332
Using the WMLScript URL Library	p. 333
Parsing a URL	p. 335
Determining a URL's Base Address	p. 336
Extracting a Fragment from a URL	p. 336
Extracting a Host Name from a URL	p. 336
Extracting Parameters from a URL	p. 337
Extracting a Directory Path from a URL	p. 337
Extracting a Port Number from a URL	p. 337
Determining the URL of the Referring Source	p. 338
Building an Absolute URL	p. 338
Extracting the Schema from a URL	p. 340
Testing for a Valid URL	p. 341
Loading the Content That Resides at a URL	p. 341
Escaping URL Strings	p. 341
Using the WMLScript WMLBrowser Library	p. 342
Determining the Current Card	p. 343
Performing a WML Go Operation to Branch to a URL	p. 344
Performing a WML Prev Operation to Return to the Previous URL	p. 346
Performing a WML Refresh Operation	p. 346
Setting and Retrieving Variable Values	p. 346
Mastery Check	p. 348
Building Real-World WMLScript Applications	p. 351
Using the Console Window	p. 352
Processing User Input	p. 354
Playing Tic-Tac-Toe	p. 357
Reducing the TicTacToe.wmls Script's Size	p. 364
Mastery Check	p. 367
Advanced Concepts	p. 369
Interacting with a Server	p. 370
Using a Perl Script to Store Address Information	p. 375
Searching the Address List	p. 378
Using a Perl Script to Retrieve Information from a Database	p. 381
Interacting with an Active Server Page	p. 385
Building a To Do List	p. 388
Adding an Event to the To Do List	p. 391
Viewing a To Do List Entry	p. 393
Displaying Multiple Events One Page at a Time	p. 394
Mastery Check	p. 398
Answers to Mastery Checks	p. 399
Getting Started on the Wireless Web	p. 400
Creating Your First WML Application	p. 401
Formatting Output	p. 404
Working with Multiple Cards and Variables	p. 407
Performing User Input Operations	p. 410
Building Real-World WML Applications	p. 415
Automating WML Applications Using WMLScript	p. 417
Using the WMLScript Libraries	p. 418
Building Real-World WMLScript Applications	p. 420
Advanced Concepts	p. 421
WML Language Reference	p. 425
[left angle bracket]a[right angle bracket]	p. 426
Description	p. 426
Format	p. 426
Attributes	p. 426
[left angle bracket]access[right angle bracket]	p. 426
Description	p. 426
Format	p. 427
Attributes	p. 427
[left angle bracket]anchor[right angle bracket]	p. 427
Description	p. 427
Format	p. 427
Attributes	p. 427
[left angle bracket]b[right angle bracket]	p. 428
Description	p. 428
Format	p. 428
Attributes	p. 428
[left angle bracket]big[right angle bracket]	p. 428
Description	p. 428
Format	p. 429
Attributes	p. 429
[left angle bracket]br/[right angle bracket]	p. 429
Description	p. 429
Format	p. 429
[left angle bracket]card[right angle bracket]	p. 429
Description	p. 429
Format	p. 429
Attributes	p. 430
[left angle bracket]do[right angle bracket]	p. 431
Description	p. 431
Format	p. 431
Attributes	p. 431
[left angle bracket]em[right angle bracket]	p. 432
Description	p. 432
Format	p. 432
Attributes	p. 432
[left angle bracket]fieldset[right angle bracket]	p. 432
Description	p. 432
Format	p. 432
Attributes	p. 432
[left angle bracket]go[right angle bracket]	p. 433
Description	p. 433
Format	p. 433
Attributes	p. 433
[left angle bracket]head[right angle bracket]	p. 434
Description	p. 434
Format	p. 434
Attributes	p. 434
[left angle bracket]i[right angle bracket]	p. 434
Description	p. 434
Format	p. 434
Attributes	p. 435
[left angle bracket]img[right angle bracket]	p. 435
Description	p. 435
Format	p. 435
Attributes	p. 435
[left angle bracket]input[right angle bracket]	p. 436
Description	p. 436
Format	p. 436
Attributes	p. 436
[left angle bracket]meta[right angle bracket]	p. 438
Description	p. 438
Format	p. 438
Attributes	p. 438
[left angle bracket]noop[right angle bracket]	p. 439
Description	p. 439
Format	p. 439
[left angle bracket]onevent[right angle bracket]	p. 439
Description	p. 439
Format	p. 439
Attributes	p. 439
[left angle bracket]optgroup[right angle bracket]	p. 440
Description	p. 440
Format	p. 440
Attributes	p. 440
[left angle bracket]option[right angle bracket]	p. 440
Description	p. 440
Format	p. 440
Attributes	p. 441
[left angle bracket]p[right angle bracket]	p. 441
Description	p. 441
Format	p. 441
Attributes	p. 441
[left angle bracket]postfield[right angle bracket]	p. 442
Description	p. 442
Format	p. 442
Attributes	p. 442
[left angle bracket]pre[right angle bracket]	p. 442
Description	p. 442
Format	p. 443
Attributes	p. 443
[left angle bracket]prev[right angle bracket]	p. 443
Description	p. 443
Format	p. 443
Attributes	p. 443
[left angle bracket]refresh[right angle bracket]	p. 443
Description	p. 443
Format	p. 444
Attributes	p. 444
[left angle bracket]select[right angle bracket]	p. 444
Description	p. 444
Format	p. 444
Attributes	p. 444
[left angle bracket]setvar[right angle bracket]	p. 445
Description	p. 445
Format	p. 445
Attributes	p. 445
[left angle bracket]small[right angle bracket]	p. 446
Description	p. 446
Format	p. 446
Attributes	p. 446
[left angle bracket]strong[right angle bracket]	p. 446
Description	p. 446
Format	p. 446
Attributes	p. 446
[left angle bracket]table[right angle bracket]	p. 446
Description	p. 446
Format	p. 447
Attributes	p. 447
[left angle bracket]td[right angle bracket]	p. 447
Description	p. 447
Format	p. 447
Attributes	p. 447
[left angle bracket]template[right angle bracket]	p. 448
Description	p. 448
Format	p. 448
Attributes	p. 448
[left angle bracket]timer[right angle bracket]	p. 448
Description	p. 448
Format	p. 449
Attributes	p. 449
[left angle bracket]tr[right angle bracket]	p. 449
Description	p. 449
Format	p. 449
Attributes	p. 449
[left angle bracket]u[right angle bracket]	p. 450
Description	p. 450
Format	p. 450
Attributes	p. 450
[left angle bracket]wml[right angle bracket]	p. 450
Description	p. 450
Format	p. 450
Attributes	p. 450
Wireless References on the World Wide Web	p. 451
Index	p. 453
Table of Contents provided by Syndetics. All Rights Reserved.

Beginner's Guides (Osborne)

A Beginner's Guide

At a Glance

Paperback

Shipping

How to return your order

Defective items

You Can Find This Book In

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