Flex 4: Data and Communications

Cost:

$695.00 (Online Class - Lodestone Live)
$895.00 (Lodestone Training Center)

Time: 10 AM - 4:30 PM EST
Length: 2 day class
Type: Instructor-led

Course Description:

This 2 day class covers the flow of data in the Flex framework using Flash Builder.

Learning Objectives:

After taking the Flex 4: Data and Communications class you will understand how to do the following:

• Access Remote Data
• Create a Typed Data Model
• Extend Events
• Render Content with the DataGroup Container
• Display Data Using the DataGrid
• Deploy Flex and AIR Applications

Target Audience:

This class is for developers who need to understand data transfer concepts in the Flex 4 framework. It is recommended that you attend the Flex 4: Developing Rich Client Applications class before attending this session.

Course Outline:

Unit 1: Accessing Remote Data

• Using HTTPService to load remote data
• Using the HTTPService class
• Process for making HTTP requests
• Retrieving data with lastResult
• Understanding the ArrayCollection results
• Using results in data bindings
• Handling returned data and faults
• Handling results
• Handling faults
• Displaying messages with an Alert pop-up
• Using result and fault handlers example
• Making HTTP requests with parameters
• Using explicit parameter passing
• Using parameter binding
• Using the wizards
• Understanding the CallResponder class
• Creating a master/detail form

Unit 2: Creating a Typed Data Model

• Understanding the need for a typed data model
• Working with a model of generic data
• Creating a model of typed data
• Understanding value objects
• Creating value objects
• Creating an ActionScript class for typed data
• Reviewing classpaths and packages
• Creating class files
• Defining class access modifiers
• Creating class constructors
• Defining class properties
• Instantiating an ActionScript class
• Populating an ArrayCollection with value objects
• Comparing ArrayCollection with ArrayList
• Understanding data bindings with value objects
• Making ActionScript class properties bindable
• Binding the view to the model
• Binding two-way
• Refactoring value objects
• Downcasting object references

Unit 3: Extending Events

• Understanding the problem with bindings
• The problem of using bindings
• Creating loosely coupled components
• Defining the event type
• Defining the event in the dispatching component
• Triggering the event from a user or system event
• Instantiating the event
• Dispatching the event to the main application
• Handling the event in the main application
• Extending the Event class
• Creating the extended class
• Extending the Event class
• Adding properties
• Creating the constructor
• Using the extended event class
• Using the Metadata compiler directive
• Dispatch the extended event
• Handling the event in the main application
• Dispatching a value object with the extended event
• Accommodating a value object in the extended event
• Overriding the clone method
• Passing a parameter to toggle event bubbling

Unit 4: Rendering Content with the DataGroup Container

• Displaying string data in an item renderer
• Understanding DataGroup container basics
• Implementing the DataGroup container
• Using the default item renderer
• Passing UI components in the data provider
• Rendering visual controls
• Mixing data item types
• Creating a custom item renderer
• Understanding the limits of the default item renderer
• Creating a custom item renderer
• Creating a nested item renderer
• Referencing an external item renderer class
• Using data in an item renderer
• Using the SkinnableDataContainer
• Implementing the SkinnableDataContainer
• Creating the skin component

Unit 5: Displaying Data Using the DataGrid

• Using the DataGrid control
• Supplying data to a DataGrid control
• Specifying DataGrid control columns
• Formatting DataGrid control columns
• Creating reusable label functions
• Using item renderers and item editors
• Understanding Item renderers versus item editors
• Introducing the types of item renderers and item editors
• Inline item renderers and item editors
• Item renderer and item editor components
• Using Spark components in item renderers
• Using events and selected items with a DataGrid component

Unit 6: Deploying Flex and AIR Applications

• Compiling the Flex application
• Compiling automatically
• Modifying compiler settings
• Embedding the SWF in the HTML wrapper
• Understanding the runtime shared libraries
• Creating a Flex application production build
• Creating a release build
• Creating a desktop application
• Creating an AIR project
• Understanding some differences between Flex and AIR applications
• Exporting a release build

To Register:

Toll Free - 866.665.9441 or click on a date to register online.

9/30-10/1/2010
10:00 AM - 4:30 PM EST

Instructor:
Josh Cavalier

Lodestone Training Center:
Charlotte or Online

11/4-11/5/2010
10:00 AM - 4:30 PM EST

Instructor:
Josh Cavalier

Lodestone Training Center:
New York or Online

12/16-12/17/2010
10:00 AM - 4:30 PM EST

Instructor:
Josh Cavalier

Lodestone Training Center:
Charlotte or Online

Please note, assigned instructor may change. Lodestone confirms instructor schedules two weeks prior to class date.

*Classes are online via Lodestone Live and at a Lodestone training center.
The only time that a class will cancel is either if there is a power failure or other major disruption in service.