@marcg====
i suppose that you are using the P5 android mode (inside AS) for >3XX (before, at start it was an activity, now this activity creates a fragment (PFragment) which extends native Fragment )- In this case i dont understand your code and its aim; i have tried WITHOUT AS and loadStrings() works when it finds some file at the URL; but i have seen that some of your URL do not work (eg: the /internet one): even when i go to this url with a browser i cannot see it, i can only DOWNLOAD it, for seing i have to display the source code: as i am not an expert with web i cannot explain but i think that this an error source. so : first thing verify that you can see and read the files you want to download when you go (browser) to the urls; second thing try loadStrings() in the most simple way out of AS; thirdly: try to deplace this method in the PFragment (calling it in setup or onStart().