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June 9, 2009

Flex Technical Interview Questions

Flex Technical Interview Questions

Is it possible to make httpService Requests synchronous?

I need to load an image from flickr into my application. Do I need a crossdomain.xml file on flickr?

What is the difference between httpService and Data Service?

How do you generate random numbers within a given limit with actionscript?

Have you built any components with actionscript? If so explain how you did it?

How do you implement push on a flex applications?

I am going to add images into a tag. How will it resize itself?

What is a resource Manager??

What are the similarities between java and flex

What is the dynamic keyword used for?

How do you implement push with flex data services?

What are the methods called when a UI component is intialized?

How do you implement drag and drop on components that do not support ondrag and ondrop?

Can you write to the file system from flex?

What is a drag manager?

How do you call javascript from Flex?

How do you use a repeater?

What are three ways to skin a component in flex?

How do you use css styles in flex?

What is the difference between sealed class and dynamic classes?

What is MVC and how do you relate it to flex apps?

What is state? what is the difference between states and ViewStack?

How does item renderer work? How do I add item renderer at runtime?

What keyword allows you to refer to private variables of a class?

How polymorphism works on actionscript?

How do you overload functions in action script?

What is dynamic keyword used for?

What are sealed classes ?

What are runtime shared libraries?

What is caringhorm ? how do you use it? Have you worked with Cairnghorn?

What keyword allows you to implement abstraction better?

What design patterns have you used? in Actionscript and java?

What's the difference between Java and AS3 getters and setters?

Explain how binding works in mxml components.

What's the difference between, and BindingUtils.bindProperty?

Why would you want to keep a reference to a ChangeWatcher and call unwatch()?

How do you add event listeners in mxml components. Now AS3 components?

What does calling preventDefault() on an event do? How is this enforced?

Explain the lifecycle of a Cairngorm action.

What is the problem with calling setStyle()

Explain the difference between creating an effect and setting the target as opposed to adding an effectListener

How do you identify a component created in a repeater?

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