Android Assets Folder Not Added To Apk

I'm pretty new to eclipse and Android and I'm trying to add some files to the assets folder, but certain files and directories are not being included in the .apk file. I have set

Solution 1:

It appears one cannot use upper-case letters in the naming of files within the assets folder. Contrary to my example above, I was actually using camel-backed file names within the folders. After changing the file names to lower-case, the apk was automatically re-built with the assets the next time I deployed