Apache Flex: Data and Communications

Apache Flex: Data and Communications

Audience

Experienced application developers who wish to understand how to connect their Flex front ends to remote, dynamic data using Flex Data Services.

Prerequisites

Experience of using Apache Flex and application development.

Duration

2 days. Hands on.

This course is available on site only.  Please call for details.

Course Objectives

This course provides experienced application developers with hands-on, practical experience connecting their Flex font ends to remote, dynamic data using Flex Data Services. The course instructs developers how to connect with remote data using web services and Flex Data Services’ features allowing communication with a Java backend. In addition, skills will be learned how to manipulate and format the returned data.

Course Content

Introducing Apache Flex
Understanding rich Internet applications.
Understanding the Flex application process flow.
Getting help and other resources.

Accessing Web Services
Using web services.
Invoking web service methods and using the results.
Consuming a web service.
Handling results using an event handler.
Handling faults.
Calling multiple methods from the same WebService object.
Passing Parameters to Web Service.

Introduction to Flex Data Services
Introducing Flex Data Services.
Installing Flex Data Services.
Explore the Flex Data Services Installation.
Creating a Flex application for use with Flex Data Services.
Navigating the Flex Project Structure.
Understanding the Server Compilation Process.
Flex Data Services Features.
The Flex Proxy Service.
The Proxy Service Default Destination.
Named Proxy Service Destinations.

Using ColdFusion Components as Remote Object Services
Understanding remote object services.
Configuring ColdFusion, Flex Builder and calling a remote object service method.
Exchanging data between Action-Script and ColdFusion.

Using Java Classes as Remote Object Services
Understanding Remote Object Services.
Calling a Remote Object Service method.
Handling RPC Events.
Complex Remote Method Calls.
Exchanging Data between Action-Script and Java.

Validating and Formatting Data
Validating form data.
Triggering validation with events.
Validating Numeric Input.
Triggering validation with Action-Script.
Using regular expressions.
Formatting Data.

Manipulating Complex Data
Understanding Collection Classes.
Filtering data.
Filtering data.
Creating a data sort.
Using the IViewCursor interface.
Creating a project that uses FDS.

Using the Flex Message Service
Introducing the Flex Message Service.
Reviewing Message Destination Configuration.
Understanding Publish-Subscribe Messaging.
Publishing Messages.
Receiving and processing messages.
Sending and Receiving Complex Data.

Using the Flex Data Management Service
What is the Flex Data Management Service?
Exploring a Data Management Services Destination.
Data Management Service Architecture.
Changing Data.
Managing Pending Changes.
Using Events.
Handling DataService Results.
Advanced Data Management Service Features.

Providing XML to Controls with E4X
Understanding XML structure.
Working with XML data in ActionScript.
Using the Tree Control.
Retrieving XML data and populating a Tree.
Using XML objects.
Removing XML items from a list.

Uploading Files to a Server
Implementing file transfer basics.
Uploading a file to the server.
Enhancing the user experience with FileReference events.
Understanding the FileReferenceList class.
Use the Data Management Service to retrieve photo data.
Send real-time messages between applications.

Virtual Courses

ALL of our courses can be delivered virtually. And our Bath public schedule of courses are now available as live virtual sessions, using the popular Zoom Virtual Classroom and remote labs. Delegates can test their access at: www.zoom.us/test

On-Site Courses

Can't attend one of our public classes? Booking for multiple people?

All our courses are available on your site! Delivered for your staff, at your premises.

Contact us to find out more...