public override bool OnTouchEvent(MotionEvent motionEvent)
{
return(CoreUtility.ExecuteFunction("OnTouchEvent", delegate()
{
mGestureDetector.OnTouchEvent(motionEvent);
mDragHelper.ProcessTouchEvent(motionEvent);
return true;
}));
}
/// <summary>
/// Dispatches touch event to the draggable view.
/// The touch is realized only if is over the draggable view.
/// </summary>
/// <param name="e"></param>
/// <returns></returns>
public override bool OnTouchEvent(MotionEvent e)
{
try
{
DragHelper.ProcessTouchEvent(e);
return(IsViewTouched(DraggableView, (int)e.GetX(), (int)e.GetY()));
}
catch (Exception exception)
{
Methods.DisplayReportResultTrack(exception);
return(base.OnTouchEvent(e));
}
}
public override bool OnTouchEvent(CoordinatorLayout parent, Java.Lang.Object cChild, MotionEvent ev)
{
var child = cChild.JavaCast <View>();
if (!child.IsShown)
{
return(false);
}
var action = ev.ActionMasked;
if (_state == StateDragging && action == MotionEventActions.Down)
{
return(true);
}
// Detect scroll direction for ignoring collapsible
if (_lastStableState == StateAnchorPoint && action == MotionEventActions.Move)
{
if (ev.GetY() > _initialY && !Collapsible)
{
Reset();
return(false);
}
}
if (_viewDragHelper == null)
{
_viewDragHelper = ViewDragHelper.Create(parent, _dragCallback);
}
_viewDragHelper.ProcessTouchEvent(ev);
if (action == MotionEventActions.Down)
{
Reset();
}
// The ViewDragHelper tries to capture only the top-most View. We have to explicitly tell it
// to capture the bottom sheet in case it is not captured and the touch slop is passed.
if (action == MotionEventActions.Move && !_ignoreEvents && System.Math.Abs(_initialY - ev.GetY()) > _viewDragHelper.TouchSlop)
{
_viewDragHelper.CaptureChildView(child, ev.GetPointerId(ev.ActionIndex));
}
return(!_ignoreEvents);
}
public override bool OnTouchEvent(MotionEvent ev)
{
if (!_canSlide || !SlidingEnabled)
{
return(base.OnTouchEvent(ev));
}
_dragHelper.ProcessTouchEvent(ev);
var action = (int)ev.Action;
switch (action & MotionEventCompat.ActionMask)
{
case (int)MotionEventActions.Down:
{
var x = ev.GetX();
var y = ev.GetY();
_initialMotionX = x;
_initialMotionY = y;
break;
}
case (int)MotionEventActions.Up:
{
var x = ev.GetX();
var y = ev.GetY();
var dx = x - _initialMotionX;
var dy = y - _initialMotionY;
var slop = _dragHelper.TouchSlop;
var dragView = _dragView ?? _slideableView;
if (dx * dx + dy * dy < slop * slop && IsDragViewUnder((int)x, (int)y))
{
dragView.PlaySoundEffect(SoundEffects.Click);
if (!IsExpanded && !IsAnchored)
{
ExpandPane(_anchorPoint);
}
else
{
CollapsePane();
}
}
break;
}
}
return(true);
}
public override bool OnTouchEvent(MotionEvent e)
{
mDragHelper.ProcessTouchEvent(e);
return(true);
}
