Sun Microsystems Computer Accessories manual Who Should Use This Book, How This Book Is Organized

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Preface

The Java™ 2 Platform, Micro Edition, Wireless Toolkit Basic Customization Guide describes how to customize the J2ME™ Wireless Toolkit by modifying device property files.

Who Should Use This Book

This guide is intended for developers who need to configure the J2ME Wireless Toolkit to accommodate device emulators other than the ones provided by the Wireless Toolkit. This document assumes that you are familiar with Java programming, Mobile Information Device Profile (MIDP) and the Connected Limited Device Configuration (CLDC) specifications.

How This Book Is Organized

This guide contains the following chapters and appendixes:

Chapter 1 describes briefly customization steps, device property files, and the default emulator.

Chapter 2 explains, through a tutorial, how to create device property files that enable the Wireless Toolkit to emulate devices other than the default devices supplied by the toolkit. The tutorial shows you how to obtain and enter image files,

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Contents Basic Customization Guide Please Contents Examining Device Property Files Default Emulator Device Property Files Vi Wireless Toolkit Basic Customization Guide December Figures Viii Wireless Toolkit Basic Customization Guide December Tables Wireless Toolkit Basic Customization Guide December How This Book Is Organized Who Should Use This BookUsing Operating System Commands Related Documentation Typographic ConventionsShell Prompts Sun Welcomes Your Comments Accessing Sun Documentation OnlineHow to Customize the Wireless Toolkit Customizing the Wireless ToolkitCustomization Steps Device Property Files and the Default EmulatorCustomizing the Wireless Toolkit Wireless Toolkit Basic Customization Guide December Make a Copy of an Existing Main Device Property File Creating Device Property FilesObtain and Enter Image Files Screen Location Obtain and Enter the Screen PropertiesDisplay Area Total Screen SizeSpecifying Screen Properties Display Area in Full Screen ModeBy measuring the image file, obtain the button properties Obtain and Enter the Button PropertiesHeight Width Obtain and Enter Soft Button Label Areas Soft button label display is defined by a line of the form Defining the Icon Location and States Obtain and Enter Icon PropertiesEnter the following measured values for the icons properties Screen Background RGB Color Enter Color PropertiesRun the Emulator for the New Device Examining Device Property Files Device Property Files Fonts Used by the Midp APIs Main Device Property FileFonts Bitmap Fonts Default FontSystem Fonts Ascii character Distance to character Device Image Font UnderliningScaling Image without Buttons PressedImage with Buttons Pressed Image with Buttons Highlighted and Backlight OnScreen Properties Screen Location Display Area Display Area in Full Screen ModeTotal Screen Size Screen Background Color Screen Pixel RatioScreen Buffering Screen Border ColorTouch Screen Defining a Device Button Device ButtonsKeyboard Handler Button.LEFT = 13, 197, 20 Assigning a PC Keyboard Key to a Button Specifying the Characters Generated by a Button Press Assigning a Game Action to a ButtonAbstract Command Types in Order of Precedence Assigning Abstract Commands to ButtonsEmulating Abstract Command Button Assignments Precedence of Assigning Commands to a Button Secondary Button Assignments Abstract Command Menu Defining the Icon Location and States Displayed IconsSoft Button Labels on the Emulated Device Display Soft Button Label DisplaySound Alerts ColorAlert Type Values Device Software CapabilitiesCharacter Encodings LocalesTransparent Images EnableAlphaChannel falseWireless Toolkit Basic Customization Guide December Property Files Default Emulator Device Property FilesDefaultGrayPhone.properties Appendix a Default Emulator Device Property Files Wireless Toolkit Basic Customization Guide December Appendix a Default Emulator Device Property Files Wireless Toolkit Basic Customization Guide December # alert.alerttype.sound soundfile Wireless Toolkit Basic Customization Guide December Icon Image Files Device Image FilesIcon Image Files Adding a ByteCode Obfuscator Support for ByteCode ObfuscatorsExample Appendix B Support for ByteCode Obfuscators Wireless Toolkit Basic Customization Guide December P E N D I X C Wireless Toolkit Basic Customization Guide December Index Keyboard.handler property Device property ﬁles, 1 WMA messages, customizing Wireless Toolkit Basic Customization Guide December