AvatarPicker is a component made for developers for easy integration inside their app. This component enables picking an avatar from services such as Facebook, Twitter, Flickr, Picasa, Instagram, Gravatar, as well as selecting a device photo as your avatar.
Follow the AvatarPicker tutorial on how to setup and use the component.
Modifying the component
Since the component is opensource you can easily modify the resources to your own needs. Just replace the drawables and modify the color values. Additionally you can even adjust the layouts.