Adobe Flex 4.5 Fundamentals: Training from the Source

Lesson 11: Creating and Dispatching Events

What You Will Learn

In this lesson, you will:

• Understand the benefits of loosely coupled architecture

• Dispatch events

• Declare events for a component

• Identify the need for your own event classes

• Create event subclasses

• Create and use a UserAcknowledgeEvent class

• Create and use a ProductEvent class

• Use event bubbling

• Use ProductEvent to add and remove a product

• Use the CollectionEvent to update the shopping cart total

Approximate Time

This lesson takes approximately 2 hours to complete.

In previous lessons, you worked with events from built-in objects, such as the clicking of a Button or the changing of a List. You may remember that different events all descend from the same Event ...