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    Developing AIR applications with Flex

    • Developing AIR applications with Flex

    • By: Adobe Systems

    • Publisher: Adobe Systems

    • Pub. Date:

    • Print ISBN: 00120090015SI

    • Pages in Print Edition: 574

    • Subscriber Rating: 0 out of 5 rating0 [0 Ratings]

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    Overview

    Describes how to use Flex Builder and the Flex SDK to build AIR applications.

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    Table of Contents

     

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    Table of Contents

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    Chapter 1. Installation instructions

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    Adobe AIR runtime installation
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    Uninstalling the AIR runtime

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    Setting up the Flex 3 SDK
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    Compiler setup

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    Application packager setup

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    Chapter 2. Getting started
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    Introducing Adobe AIR

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    Creating your first Flex AIR application in Flex Builder
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    Write the AIR application code

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    Test the AIR application

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    Package, sign, and run your AIR application

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    Creating your first AIR application with the Flex SDK
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    Create the AIR application descriptor file

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    Write the application code

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    Compile the application

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    Test the application

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    Create the AIR installation file

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    Chapter 3. AIR development tools

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    Developing AIR applications with Flex Builder
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    Debugging AIR applications with Flex Builder

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    Packaging AIR applications with Flex Builder
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    Digitally signing your AIR applications

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    Creating an AIR application using the command line tools
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    Compiling an AIR application with the amxmlc compiler

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    Compiling an AIR component or library with the acompc compiler

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    Using the AIR Debug Launcher (ADL)
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    Launching an application with ADL

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    ADL exit and error codes

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    Packaging an AIR installation file using the AIR Developer Tool (ADT)
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    Packaging an AIR installation file

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    ADT command line signing options

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    Creating a self-signed certificate with ADT

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    Using Apache Ant with the SDK tools
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    Using Ant for simple projects

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    Using Ant for more complex projects

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    Using the Flex AIR components

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    FileSystemComboBox control
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    Creating a FileSystemComboBox control

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    FileSystemTree control
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    FileSystemTree user interaction

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    FileSystemDataGrid control

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    FileSystemHistoryButton control
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    FileSystemHistoryButton user interaction

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    About the HTML control
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    Creating an HTML control

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    About the FlexNativeMenu control

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    Creating a FlexNativeMenu control
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    Creating an application or window menu

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    Creating a context menu

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    Creating a pop-up menu

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    Defining FlexNativeMenu menu structure and data
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    Menu entry types

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    Menu attributes

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    Example: An Array FlexNativeMenu data provider

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    Example: An XML FlexNativeMenu data provider

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    Specifying menu item keyboard equivalents
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    About key equivalents

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    Example: Using custom logic for multi-platform key equivalent menu commands

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    Specifying menu item mnemonics

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    Handling FlexNativeMenu control events

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    About window containers
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    Controlling window chrome

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    WindowedApplication container

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    Window container

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    Chapter 4. Application development essentials

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    AIR security

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    Installation and updates
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    Seamless install (runtime and application)

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    The AIR file system

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    Uninstalling an AIR application

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    Sandboxes
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    About the AIR application sandboxes

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    The application sandbox

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    Privileges of content in non-application sandboxes

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    HTML security
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    Overview on configuring your HTML-based application

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    Code restrictions for content in different sandboxes
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    Restrictions on using the JavaScript eval() method and similar techniques

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    Restrictions on access to AIR APIs (for non-application sandboxes)

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    Scripting between content in different domains
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    Sandbox bridge example (SWF)

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    Sandbox bridge example (HTML)

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    Writing to disk

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    Working securely with untrusted content
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    Protection against dynamically generating unsafe SWF content

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    Best security practices for developers
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    Risk from using an external source to determine paths

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    Setting AIR application properties
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    The application descriptor file structure

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    Defining properties in the application descriptor file
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    Defining the basic application information

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    Defining the installation folder and program menu folder

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    Defining the properties of the initial application window

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    Specifying icon files

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    Declaring file type associations

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    New functionality in Adobe AIR
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    New runtime classes

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    Runtime classes with new functionality

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    Service monitoring framework classes

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    Chapter 5. Windows, menus, and taskbars

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    Working with native windows

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    AIR window basics
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    Windows in AIR

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    Native window event flow

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    Properties controlling native window style and behavior
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    Window Types

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    Transparency in an MXML application window

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    A visual window catalog

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    Creating windows
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    Specifying window initialization properties

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    Creating the initial application window
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    Creating the initial window with Flex

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    Creating a new mx:Window

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    Creating a new HTML window

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    Adding content to a window
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    Loading Flash content within an HTML page

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    Example: Creating a native window

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    Managing windows
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    Getting a NativeWindow instance

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    Changing the window display order

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    Closing a window

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    Maximizing, minimizing, and restoring a window

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    Resizing and moving a window

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    Example: Resizing and moving windows

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    Listening for window events

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    Screens
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    Enumerating the screens

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    Working with native menus

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    AIR menu basics
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    Menu varieties

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    Menu structure

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    Menu events

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    Key equivalents for menu commands

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    Attaching an object to a menu item

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    Creating native menus
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    Creating a root menu object

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    About context menus

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    About context menus in HTML

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    Defining native menus declaratively

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    Displaying pop-up menus

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    Handling menu events
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    Selecting menu events

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    Example: Window and application menu

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    Taskbar icons
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    Dock icons

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    System Tray icons
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    System tray icon events

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    Example: Creating an application with no windows

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    Window taskbar icons and buttons
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    Creating windows without taskbar buttons or icons

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    Chapter 6. Files and data

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    Working with the file system
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    AIR file basics

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    Working with File objects
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    Paths of File objects

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    Pointing a File object to a directory
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    Pointing to the application storage directory

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    Navigating to relative paths

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    Pointing a File object to a file
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    Pointing to an explicit file path

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    Modifying File paths

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    Finding the relative path between two files

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    Working with packages and symbolic links

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    Getting file system information

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    Working with directories
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    Creating a temporary directory

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    Deleting directory contents

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    Working with files
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    Getting file information

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    Copying and moving files

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    Creating a temporary file

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    Reading and writing files
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    Workflow for reading and writing files

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    Working with FileStream objects
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    FileStream open modes

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    Initializing a FileStream object, and opening and closing files

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    The position property of a FileStream object

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    The read buffer and the bytesAvailable property of a FileStream object

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    Asynchronous programming and the events generated by a FileStream object opened asynchronously

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    Data formats, and choosing the read and write methods to use

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    Example: Reading and writing data with random access

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    Drag and Drop
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    Drag and drop basics

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    Supporting the drag-out gesture
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    Preparing data for transfer

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    Starting a drag-out operation

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    Supporting the drag-in gesture
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    Acknowledging a drag-in gesture

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    Updating the visual appearance of a component

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    HTML Drag and drop
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    Default drag and drop behavior

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    Drag-and-drop events in HTML

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    Drag effects in HTML

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    Dragging data out of an HTML element

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    Example: Overriding the default HTML drag-in behavior

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    Handling file drops in non-application HTML sandboxes

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    Copy and paste
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    Reading from and writing to the system clipboard

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    HTML copy and paste
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    Using the clipboardData property of the event object

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    Menu commands and keystrokes for copy and paste
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    Starting a copy or paste operation with a menu command

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    Clipboard data formats

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    Custom data formats
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    Transfer modes

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    Deferred rendering
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    Pasting text using a deferred rendering function

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    Working with byte arrays

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    Reading and writing a ByteArray
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    ByteArray methods

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    The bytesAvailable and length properties

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    Reading and writing objects

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    ByteArray example: Reading a .zip file

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    Working with local SQL databases

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    About local SQL databases
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    About relational databases

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    About SQL database classes

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    About synchronous and asynchronous execution modes

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    Creating and modifying a database
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    Creating a database

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    Creating database tables

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    Manipulating SQL database data
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    Connecting to a database

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    Working with SQL statements

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    Using parameters in statements
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    Using named parameters

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    Benefits of using parameters

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    Retrieving data from a database
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    Executing a SELECT statement

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    Accessing SELECT statement result data

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    Retrieving SELECT results in parts

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    Inserting data
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    Executing an INSERT statement

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    Retrieving a database-generated primary key of an inserted row

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    Handling database errors
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    Syntax errors

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    Constraint errors

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    Using synchronous and asynchronous database operations

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    Using synchronous database operations
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    Writing code for synchonous operations

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    Handling errors with synchronous execution

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    Understanding the asynchronous execution model

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    Strategies for working with SQL databases
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    Distributing a pre-populated database

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    Improving database performance
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    Use one SQLStatement instance for each SQL statement

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    Best practices for working with local SQL databases
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    Use separate SQL statements and don't change the SQLStatement's text property

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    Storing encrypted data

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    Chapter 7. HTML content

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    About the HTML environment

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    Overview of the HTML environment
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    About the JavaScript environment and its relationship to the AIR runtime

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    About plug-ins and embedded objects

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    AIR and Webkit extensions

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    JavaScript in AIR
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    HTML Sandboxes

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    The XMLHttpRequest object

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    The Canvas object

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    Drag and Drop

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    Document.write() and Document.writeln() functions

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    JavaScript Window object

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    air.NativeApplication object

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    Extensions to HTML
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    HTML frame and iframe elements

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    HTML element event handlers

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    HTML contentEditable attribute

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    Extensions to CSS

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    Programming in HTML and JavaScript

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    About the HTMLLoader class
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    Loading HTML content from a string

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    Avoiding security-related JavaScript errors
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    Causes security-related JavaScript errors

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    Creating an object using the name of the class as a string parameter

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    javascript: URLs

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    Dynamically created script elements

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    Accessing AIR API classes from JavaScript

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    About URLs in AIR

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    Making ActionScript objects available to JavaScript
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    A basic example of accessing JavaScript objects from ActionScript

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    Removing event listeners

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    Accessing DOM and JavaScript objects from ActionScript

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    Converting Date and RegExp objects

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    Manipulating an HTML stylesheet from ActionScript

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    Cross-scripting content in different security sandboxes
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    Loading application content into a non-application sandbox

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    Establishing a child sandbox bridge

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    Accessing a parent sandbox bridge during page loading

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    Handling HTML-related events
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    HTMLLoader events

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    Handling DOM events with ActionScript

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    Responding to uncaught JavaScript exceptions

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    Handling runtime events with JavaScript

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    Creating an event handler function
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    Removing event listeners in HTML pages that navigate

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    Scripting the HTML Container

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    Display properties of HTMLLoader objects
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    Transparency of HTMLLoader content

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    Advanced display properties

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    Scrolling HTML content

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    Setting the user agent used when loading HTML content

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    Defining browser-like user interfaces for HTML content
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    About extending the HTMLHost class

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    Example: Extending the HTMLHost class

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    Handling JavaScript calls to window.moveBy(), window.moveTo(), window.resizeTo(), window.resizeBy()

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    Handling JavaScript calls to window.open()

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    Handling JavaScript calls to window.blur() and window.focus()

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    Creating windows with scrolling HTML content

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    Creating subclasses of the HTMLLoader class

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    Chapter 8. Rich media content

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    Adding PDF content
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    Detecting PDF Capability

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    Scripting PDF content
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    HTML-PDF communication basics

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    Using digital rights management
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    Understanding the encrypted FLV workflow

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    Changes to the NetStream class

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    Using the DRMStatusEvent class
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    DRMStatusEvent properties

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    Using the DRMAuthenticateEvent class
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    DRMAuthenticateEvent properties

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    Creating an interface for retrieving user credentials

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    Using the DRMErrorEvent class
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    DRMErrorEvent properties

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    Creating a DRMErrorEvent handler

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    Chapter 9. Interacting with the operating system

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    Application launching and exit options
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    Application invocation

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    Capturing command line arguments

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    Launching on login

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    Browser invocation

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    Application termination

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    Reading application settings
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    Getting the application and publisher identifiers

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    Working with runtime and operating system information
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    Managing file associations

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    Tracking user presence

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    Chapter 10. Networking and communications

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    Monitoring network connectivity
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    Detecting network connectivity changes

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    Detecting socket connectivity

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    URL requests and networking

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    Using the URLRequest class
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    URLRequest properties

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    Setting URLRequest defaults

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    Using AIR URL schemes in URLs

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    Opening a URL in the default system web browser

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    Inter-application communication

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    Chapter 11. Distributing and updating applications

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    Distributing, Installing, and Running AIR applications
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    Installing and running an AIR application from the desktop

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    Installing and running an AIR applications from a web page

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    Using the badge.swf file to install an AIR application
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    Installing the AIR application from a seamless install link in a web page

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    Modifying the badge.swf file

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    Loading the air.swf file

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    Checking if the AIR runtime is installed

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    Installing an AIR application from the browser

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    Launching an installed AIR application from the browser

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    Digitally signing an AIR file
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    About AIR code signing

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    About Certificate formats

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    Obtaining a certificate

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    Terminology

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    Updating AIR applications

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    About updating applications
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    About the version string

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    Downloading an AIR file to the user's computer

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    Checking to see if an application is running for the first time