A platform-independent implementation of left & right swipe gestures in Xamarin.Forms

HandleLeftAndRightSwipeGestures.cs

void HandleLeftAndRightSwipeGestures(object sender, Xamarin.Forms.PanUpdatedEventArgs e)
{
    switch (e.StatusType)
    {
        case GestureStatus.Started:
            lastPanStartedX = e.TotalX;
            break;
        case GestureStatus.Running:
            lastPanRunningX = e.TotalX;
            break;
        case GestureStatus.Completed:
            var difference = lastPanRunningX - lastPanStartedX;

            if (Math.Abs(difference) >= ThresholdToFireSwipeGesture)
            {
                if (difference < 0)
                {
                    Carousel.MoveRight();
                }
                else
                {
                    Carousel.MoveLeft();
                }
            }

            lastPanStartedX = 0;
            lastPanRunningX = 0;

            break;
        default:
            break;
    }
}