is Directional Pad Key Code
Returns true when the key code is one of the following: - KEYCODE_DPAD_UP - KEYCODE_DPAD_DOWN - KEYCODE_DPAD_CENTER - KEYCODE_DPAD_RIGHT - KEYCODE_DPAD_LEFT or false otherwise.
Return
true when it is a directional Pad key code
Parameters
key Code
the KeyEvent key code