Reading the Exported XML - Godofdrakes/Sprite-Packer GitHub Wiki
Getting the information you need
Getting the list of images to load
Each Animation node contains the attribute "FileName" which corresponds to that animation's image file.
Getting the UV data for part of an image
Each Animation node contains the sub-node "Size" with attributes the width and height of it's image file.
Each Image node contains the sub-nodes "Size" and "Position".