public PXR_AchievementProgressList(AndroidJavaObject msg)
        {
            var count = PXR_AchievementAPI.pvr_AchievementProgressArray_GetSize(msg);

            data = new List <PXR_AchievementProgress>(count);
            for (int i = 0; i < count; i++)
            {
                data.Add(new PXR_AchievementProgress(PXR_AchievementAPI.pvr_AchievementProgressArray_GetElement(msg, i)));
            }

            nextUrl = PXR_AchievementAPI.pvr_AchievementProgressArray_GetNextUrl(msg);
        }