im New on Android. I know theres a lot of similar Questions but anyone is helping. Im using a 3rd party app that just launch a class that extends their own class. So from that class i would like to launch an activity.

public class SkyTest extends VtiUserExit {


    @Override
    public VtiUserExitResult execute() throws VtiExitException {
        // TODO Auto-generated method stub
        logInfo("TEST");

    return null;
    }

}

How do i launch an activity named MainActivity from here.

i tryed this:

Context context = null;
        Intent intent = new Intent(context, MainActivity.class);
        context.startActivity(intent);

but its not working, i know i cant use the null context, but how do i create a context o how it works?

Thanks