DATA_ROAMING_SETTINGS Intent

Hi guys,

Just a little question, I have a button that does only one thing
(there is no no need to put the code here, is plain simple)

def1.Initialize ("android.settings.DATA_ROAMING_SETTINGS","")

It runs OK with API 16 and opens the intended definitions settings, but it does absolutely nothing with API 15. (not even an error, it's like the button had no code)

Tryed emulator and in a tablet..same result.

Any help ?

Thanks