Android :: Android Keyevent - Keycodes And Scancodes

I am writing a program which captures the keys pressed by user in android and displays it in Ubuntu. According to what I read, Android's input event device is structured around an interrupt or polling routine that captures the device-specific scancode and converts it to a standard form acceptable to Linux (as defined in input.h) before passing it to the kernel with input_event(). There are the steps which describe the translation from keyboard input to application action: 1. Window manager reads key event from Linux keyboard driver. 2. Window manager maps scancode to keycode. 3. Window manager sends both the scancode and the keycode to the application...................