Yes,from what I understood,wiring pi is based on these drivers.
Thank you for the link kolk..
Let's keep in touch guys!!

Hi again..what do you think about using wiring pi libraries including the C code of these libraries via Android ngk (as you already suggested)? The creator of this library told ( https://projects.drogon.net/raspberry-pi/wiringpiface/#comment-320) that it works at kernel level (are closer to drivers ...

Hello, I also need to manage Android RPI gpio because I'g like to migrate an existing application based on Android 4.0.3 to RPI interfacing it (via the gpio) to buttons and encoders. Do you know if exists a roadmap (by google or raspberry foundation) that foresee the developing of dedicated api's to...