private fun setup(file_name: JavaString, mode: Int, context: NativeContext) import set_vars in "Java" `{
		SharedPreferences sp;

		// Uses default SharedPreferences if file_name is an empty String
		if (file_name.equals("")) {
			Activity activity = (Activity)context;
			sp = activity.getPreferences((int)mode);
		} else {
			sp = context.getSharedPreferences(file_name, (int)mode);
		}

		SharedPreferences.Editor editor = sp.edit();

		SharedPreferences_set_vars(self, sp, editor);
	`}