public override int FindTargetSnapPosition(RecyclerView.LayoutManager layoutManager, int velocityX, int velocityY)
{
//throw new NotImplementedException();
int target = RecyclerView.NoPosition;//.NO_POSITION;
Loge("findTargetSnapPosition, velocityX = " + velocityX + ", velocityY" + velocityY);
if (null != layoutManager && layoutManager is PagerGridLayoutManager)
{
PagerGridLayoutManager manager = (PagerGridLayoutManager)layoutManager;
if (manager.CanScrollHorizontally())
{
if (velocityX > PagerConfig.GetFlingThreshold())
{
target = manager.FindNextPageFirstPos();
}
else if (velocityX < -PagerConfig.GetFlingThreshold())
{
target = manager.FindPrePageFirstPos();
}
}
else if (manager.CanScrollVertically())
{
if (velocityY > PagerConfig.GetFlingThreshold())
{
target = manager.FindNextPageFirstPos();
}
else if (velocityY < -PagerConfig.GetFlingThreshold())
{
target = manager.FindPrePageFirstPos();
}
}
}
Loge("findTargetSnapPosition, target = " + target);
return(target);
}
public static void Loge(string msg)
{
if (!PagerConfig.IsShowLog())
{
return;
}
Log.Error(TAG, msg);
}
protected override float CalculateSpeedPerPixel(DisplayMetrics displayMetrics)
{
return(PagerConfig.GetMillisecondsPreInch() / (int)displayMetrics.DensityDpi);
}
