Tween using Flex Builder 3
To use tweens in Flex Builder 3, first we need caurina.transitions.Tweener.
Download link and tutorials can be found here.
Various tween effects can be found here.
To add reference to this project in Flex Builder, simply add the folder where the caurina source files is to your project source path. (Right click on your project in Flex Builder -> Properties -> ActionScript Build Path)
Here is a sample code that uses caurina.transitions.Tweener to simply move a box.
private function MoveBox(): void { Tweener.addTween(box_mc, {x:240, time:2.5, transition:"easeInOutElastic"}); } You can download the project below.