Android: What is the bin/res/crunch folder used for?

Question

While modifying a white label app, I needed to change a logo and found it was located in 2 locations (duplicated):

• res/drawable and similar folders (for other screen depths)
• bin/res/crunch/drawable and similar folders (for other screen depths)

So I would like to know if I should care about the second folder, or if it's something generated by Eclipse/ADT.

Answer 1

They are automatically generated on build. You can ignore them.

Answer 2

The crunch is used to export the app by eclipse and I've experienced a problem that a drawable was not updated in a crunch. If you want to be really sure that you deliver what you see, just clean the res/crunch/drawable before exporting.