public void OnFlick(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY)
{
// sanity check, as the events could be null.
if (e1 != null && e2 != null)
{
// if they flicked it, go ahead and open / close the springboard.
// to know they intended to flick and not scroll, ensure X is > Y
if (Math.Abs(velocityX) > Math.Abs(velocityY))
{
// only allow it if we're NOT animating, the task is ok with us panning, and we're in portrait mode.
if (Animating == false &&
ActiveTask.CanContainerPan( ) &&
Activity.Resources.Configuration.Orientation == Android.Content.Res.Orientation.Portrait)
{
if (velocityX > sMinVelocity)
{
RevealSpringboard(true);
}
else if (velocityX < -sMinVelocity)
{
RevealSpringboard(false);
}
}
}
}
}
public void OnScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY)
{
// sanity check, as the events could be null.
if (e1 != null && e2 != null)
{
// only allow it if we're NOT animating, the task is ok with us panning, and we're in portrait mode.
if (Animating == false &&
ActiveTask.CanContainerPan( ) &&
Activity.Resources.Configuration.Orientation == Android.Content.Res.Orientation.Portrait)
{
switch (Panning)
{
case PanState.Monitoring:
{
TotalPanY += Math.Abs(e2.RawY - e1.RawY);
TotalPanX += Math.Abs(e2.RawX - e1.RawX);
FrameCount++;
if (FrameCount > sNumPanTrackingFrames)
{
// decide how to proceed
Panning = PanState.None;
// put simply, if their total X was more than their total Y, well then,
// lets pan.
if (TotalPanX > TotalPanY)
{
Panning = PanState.Panning;
// mark where the panning began, so we can move the field appropriately
PanStartX = e2.RawX;
PanelOriginX = View.GetX( );
}
else
{
// Y was greater than X, so they probably intended to scroll, not pan.
Panning = PanState.None;
}
}
break;
}
case PanState.Panning:
{
distanceX = e2.RawX - PanStartX;
float xPos = PanelOriginX + distanceX;
float revealAmount = Springboard.GetSpringboardDisplayWidth( );
xPos = Math.Max(0, Math.Min(xPos, revealAmount));
PanContainerViews(xPos);
break;
}
}
}
}
}