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

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