How to Get iPhone Video or Photo's Geotag? Using UIImagePicker

I am building an app that allows user to pick videos/photos from camera or photo library.

If picked from photo library, is it possible to access to the 开发者_开发技巧video or photo's geotag? Thanks!

You can see an overview of how to approach this issue at the following related links:

Online guide available here: http://iphone-land.blogspot.com/

Iphone-EXIF Guide here: http://iphone-exif.googlecode.com/files/iphone-exif-guide-0.8.pdf

Downloadble source codes here: http://code.google.com/p/iphone-exif/

I hope this is enough to guide you :)