Flex 4 Certification

Front 1

What is the Spark namespace that's declared at the top of all new Flex 4 applications?

Back 1

xmlns:s="library://ns.adobe.com/flex/spark"

Front 2

Which property of the RichText component is intended to get or set rich text content at runtime?

a) content
b) textFlow

Back 2

b) textFlow

content: This property is intended for use in MXML at compile time; to get or set rich text content at runtime, please use the textFlow property instead. (content property is an instance of a textFlow object)

textFlow: The TextFlow representing the rich text displayed by this component. A TextFlow is the most important class in the Text Layout Framework (TLF). It is the root of a tree of FlowElements representing rich text content.

Front 3

True or False: Flex applications are stateful

Back 3

True: Flex apps are stateful; that is, they have the capability to remember data persistently for the duration of the user’s session in a way that classic Web applications usually don’t.

Front 4

What are the 2 data collection classes in Flex?

Back 4

ArrayCollection and ArrayList

Front 5

What are the events of the spark Application component?

Back 5

applicationComplete - Dispatched after the Application has been initialized, processed by the LayoutManager, and attached to the display list.

error - Dispatched when an HTTPService call fails.

uncaughtError - Dispatched when an uncaught error is caught by the Global Exception Handler