public override bool DispatchTouchEvent(Android.Views.MotionEvent e)
{
if (e.ActionMasked == Android.Views.MotionEventActions.Down)
{
//Record the position the list the touch landed on
_mPosition = this.Control.PointToPosition((int)e.GetX(), (int)e.GetY());
}
if (e.ActionMasked == Android.Views.MotionEventActions.Move)
{
//Ignore move events
return(true);
}
if (e.ActionMasked == Android.Views.MotionEventActions.Up)
{
//Check if we are still within the same view
if (this.Control.PointToPosition((int)e.GetX(), (int)e.GetY()) == _mPosition)
{
base.DispatchTouchEvent(e);
}
else
{
//Clear pressed state, cancel action
Pressed = false;
Invalidate();
return(true);
}
}
return(base.DispatchTouchEvent(e));
}
public bool OnSingleTapConfirmed(Android.Views.MotionEvent e)
{
if (this.photoViewAttacher == null)
{
return(false);
}
ImageView imageView = photoViewAttacher.GetImageView();
if (null != photoViewAttacher.GetOnPhotoTapListener())
{
RectF displayRect = photoViewAttacher.GetDisplayRect();
if (null != displayRect)
{
float x = e.GetX(), y = e.GetY();
if (displayRect.Contains(x, y))
{
float xResult = (x - displayRect.Left)
/ displayRect.Width();
float yResult = (y - displayRect.Top)
/ displayRect.Height();
photoViewAttacher.GetOnPhotoTapListener().OnPhotoTap(imageView, xResult, yResult);
return(true);
}
}
}
if (null != photoViewAttacher.GetOnViewTapListener())
{
photoViewAttacher.GetOnViewTapListener().OnViewTap(imageView, e.GetX(), e.GetY());
}
return(false);
}
public static TouchData FromAndroid(Android.Views.MotionEvent e)
{
TouchData t = new TouchData();
switch (e.Action)
{
case Android.Views.MotionEventActions.Up:
t.state = TouchState.Up;
break;
case Android.Views.MotionEventActions.Down:
t.state = TouchState.Down;
break;
case Android.Views.MotionEventActions.Move:
t.state = TouchState.Move;
break;
default:
break;
}
t.x = e.GetX();
t.y = e.GetY();
return(t);
}
private void AndroidMap_MapSingleTap(object sender, Android.Views.MotionEvent e)
{
PointF location = new PointF(e.GetX(), e.GetY());
PointShape position = ExtentHelper.ToWorldCoordinate(androidMap.CurrentExtent, location.X,
location.Y, androidMap.Width, androidMap.Height);
LayerOverlay worldOverlay = (LayerOverlay)androidMap.Overlays["WorldOverlay"];
LayerOverlay highlightOverlay = (LayerOverlay)androidMap.Overlays["HighlightOverlay"];
FeatureLayer worldLayer = (FeatureLayer)worldOverlay.Layers["WorldLayer"];
InMemoryFeatureLayer highlightLayer = (InMemoryFeatureLayer)highlightOverlay.Layers["HighlightLayer"];
worldLayer.Open();
Collection <Feature> selectedFeatures = worldLayer.QueryTools.GetFeaturesContaining(position, new string[1] {
"CNTRY_NAME"
});
worldLayer.Close();
highlightLayer.Open();
highlightLayer.InternalFeatures.Clear();
if (selectedFeatures.Count > 0)
{
highlightLayer.InternalFeatures.Add(selectedFeatures[0]);
}
highlightLayer.Close();
highlightOverlay.Refresh();
}
public bool OnDoubleTap(Android.Views.MotionEvent ev)
{
if (photoViewAttacher == null)
{
return(false);
}
try {
float scale = photoViewAttacher.GetScale();
float x = ev.GetX();
float y = ev.GetY();
if (scale > photoViewAttacher.GetMinimumScale())
{
photoViewAttacher.SetScale(photoViewAttacher.GetMinimumScale(), x, y, true);
}
else
{
photoViewAttacher.SetScale(photoViewAttacher.GetMediumScale(), x, y, true);
}
/*
* if (scale < photoViewAttacher.GetMediumScale()) {
* photoViewAttacher.SetScale(photoViewAttacher.GetMediumScale(), x, y, true);
* } else if (scale >= photoViewAttacher.GetMediumScale() && scale < photoViewAttacher.GetMaximumScale()) {
* photoViewAttacher.SetScale(photoViewAttacher.GetMaximumScale(), x, y, true);
* } else {
* photoViewAttacher.SetScale(photoViewAttacher.GetMinimumScale(), x, y, true);
* }*/
} catch (Java.Lang.ArrayIndexOutOfBoundsException e) {
// Can sometimes happen when getX() and getY() is called
}
return(true);
}
public bool OnDoubleTap(Android.Views.MotionEvent e)
{
if (_attacher == null)
{
return(false);
}
try
{
float scale = _attacher.GetScale();
float x = e.GetX();
float y = e.GetY();
if (scale < _attacher.GetMediumScale())
{
_attacher.SetScale(_attacher.GetMediumScale(), x, y, true);
}
else if (scale >= _attacher.GetMediumScale() && scale < _attacher.GetMaximumScale())
{
_attacher.SetScale(_attacher.GetMaximumScale(), x, y, true);
}
else
{
_attacher.SetScale(_attacher.GetMinimumScale(), x, y, true);
}
}
catch (Java.Lang.ArrayIndexOutOfBoundsException ex)
{
// Can sometimes happen when getX() and getY() is called
}
return(true);
}
public override bool OnTouchEvent(MotionEvent e)
{
var touchX = e.GetX();
var touchY = e.GetY();
PathMeasure pm = new PathMeasure(DrawPath, false);
//coordinates will be here
float[] PrevCoords = { 0f, 0f };
//get coordinates of the middle point
pm.GetPosTan(pm.Length, PrevCoords, null);
switch (e.Action)
{
case MotionEventActions.Down:
DrawPath.MoveTo(touchX, touchY);
PointerDown = true;
try { Invalidate(); } catch (ObjectDisposedException) { return(false); }
PointerEvent?.Invoke(this, new PointerEventArgs(PointerEventArgs.
PointerEventType.Down, new Point(PrevCoords[0], PrevCoords[1]),
new Point(touchX, touchY), PointerDown));
break;
case MotionEventActions.Move:
DrawPath.LineTo(touchX, touchY);
try { Invalidate(); } catch (ObjectDisposedException) { return(false); }
PointerEvent?.Invoke(this, new PointerEventArgs(PointerEventArgs.
PointerEventType.Move, new Point(PrevCoords[0], PrevCoords[1]),
new Point(touchX, touchY), PointerDown));
break;
case MotionEventActions.Up:
DrawCanvas.DrawPath(DrawPath, DrawPaint);
DrawPath.Reset();
PointerDown = false;
try { Invalidate(); } catch (ObjectDisposedException) { return(false); }
PointerEvent?.Invoke(this, new PointerEventArgs(PointerEventArgs.
PointerEventType.Up, new Point(PrevCoords[0], PrevCoords[1]),
new Point(touchX, touchY), PointerDown));
break;
case MotionEventActions.Cancel:
DrawCanvas.DrawPath(DrawPath, DrawPaint);
DrawPath.Reset();
PointerDown = false;
try { Invalidate(); } catch (ObjectDisposedException) { return(false); }
PointerEvent?.Invoke(this, new PointerEventArgs(PointerEventArgs.
PointerEventType.Cancel, new Point(PrevCoords[0], PrevCoords[1]),
new Point(touchX, touchY), PointerDown));
break;
default:
return(false);
}
return(true);
}
public override bool OnTouchEvent(Android.Views.MotionEvent e)
{
double x = (e.GetX() * LayoutElement.Width) / this.Width;
double y = (e.GetY() * LayoutElement.Height) / this.Height;
switch (e.Action)
{
case Android.Views.MotionEventActions.Down:
HandleTouchStart(x, y);
startX = x;
startY = y;
break;
case Android.Views.MotionEventActions.Move:
if (LayoutElement.Dragging)
{
LayoutElement.HandleTouch(x, y);
}
break;
case Android.Views.MotionEventActions.Up:
if (currentDraggable != null && ((currentDraggable.Status == DragState.None || currentDraggable.Status == DragState.Started) || BelowTapThreshold(x, y)))
{
if (currentDraggable.TapEnabled)
{
currentDraggable.OnTapped();
}
currentDraggable = null;
}
if (LayoutElement.Dragging)
{
MessagingCenter.Send <DragAndDropLayoutRenderer, bool>(this, "IsDragging", false);
LayoutElement.StopDragging();
LayoutElement.Dragging = false;
currentDraggable = null;
}
break;
default:
break;
}
return(true);
}
public override bool OnInterceptTouchEvent(Android.Views.MotionEvent ev)
{
if (!LayoutElement.GestureEnabled)
{
return(false);
}
double x = (ev.GetX() * LayoutElement.Width) / this.Width;
double y = (ev.GetY() * LayoutElement.Height) / this.Height;
IDrag draggable;
if (LayoutElement.IDragTouched(x, y, out draggable))
{
currentDraggable = draggable;
return(true);
}
return(false);
}
// ===========================================================
// Getter & Setter
// ===========================================================
// ===========================================================
// Methods for/from SuperClass/Interfaces
// ===========================================================
public override bool OnHandleMotionEvent(MotionEvent pMotionEvent)
{
//return this.fireTouchEvent(pMotionEvent.getX(), pMotionEvent.getY(), pMotionEvent.getAction(), 0, pMotionEvent);
return this.FireTouchEvent(pMotionEvent.GetX(), pMotionEvent.GetY(), pMotionEvent.Action, 0, pMotionEvent);
}
public void ProcessTouchEvent(Android.Views.MotionEvent e)
{
try
{
switch(e.ActionMasked)
{
case Android.Views.MotionEventActions.Down:
case Android.Views.MotionEventActions.PointerDown:
{
var ptProp = mPointerPropPool.QueryObjectSync();
e.GetPointerProperties(e.ActionIndex, ptProp);
if(ptProp.Id >= Input.InputServer.MaxMultiTouchNumber)
{
mPointerPropPool.ReleaseObject(ptProp);
return;
}
mStartX[ptProp.Id] = e.GetX(e.ActionIndex);
mStartY[ptProp.Id] = e.GetY(e.ActionIndex);
var touch = mTouchArgs[ptProp.Id];
if(touch == null)
{
touch = new EngineNS.Input.Device.TouchDevice.TouchInputEventArgs();
mTouchArgs[ptProp.Id] = touch;
}
touch.TouchEvent.State = Input.Device.TouchDevice.enTouchState.Down;
touch.TouchEvent.PosX = mStartX[ptProp.Id];
touch.TouchEvent.PosY = mStartY[ptProp.Id];
touch.TouchEvent.FingerIdx = ptProp.Id;
touch.TouchEvent.ToolType = (EngineNS.Input.Device.TouchDevice.enToolType)e.GetToolType(e.ActionIndex);
EngineNS.CEngine.Instance.InputServerInstance.OnInputEvnet(touch);
mPointerPropPool.ReleaseObject(ptProp);
}
break;
case Android.Views.MotionEventActions.Up:
case Android.Views.MotionEventActions.PointerUp:
{
var ptProp = mPointerPropPool.QueryObjectSync();
e.GetPointerProperties(e.ActionIndex, ptProp);
if(ptProp.Id >= Input.InputServer.MaxMultiTouchNumber)
{
mPointerPropPool.ReleaseObject(ptProp);
return;
}
mStartX[ptProp.Id] = e.GetX(e.ActionIndex);
mStartY[ptProp.Id] = e.GetY(e.ActionIndex);
var touch = mTouchArgs[ptProp.Id];
if (touch == null)
{
touch = new EngineNS.Input.Device.TouchDevice.TouchInputEventArgs();
mTouchArgs[ptProp.Id] = touch;
}
touch.TouchEvent.State = Input.Device.TouchDevice.enTouchState.Up;
touch.TouchEvent.PosX = mStartX[ptProp.Id];
touch.TouchEvent.PosY = mStartY[ptProp.Id];
touch.TouchEvent.FingerIdx = ptProp.Id;
touch.TouchEvent.ToolType = (EngineNS.Input.Device.TouchDevice.enToolType)e.GetToolType(e.ActionIndex);
EngineNS.CEngine.Instance.InputServerInstance.OnInputEvnet(touch);
mPointerPropPool.ReleaseObject(ptProp);
}
break;
case Android.Views.MotionEventActions.Move:
{
var ptProp = mPointerPropPool.QueryObjectSync();
for(int acindex = 0; acindex < e.PointerCount; acindex++)
{
e.GetPointerProperties(acindex, ptProp);
if (ptProp.Id >= Input.InputServer.MaxMultiTouchNumber)
continue;
float x = e.GetX(acindex);
float y = e.GetY(acindex);
var deltaX = x - mStartX[ptProp.Id];
var deltaY = y - mStartY[ptProp.Id];
mStartX[ptProp.Id] = x;
mStartY[ptProp.Id] = y;
// 去除微小抖动
if (System.Math.Abs(deltaX) < 0.5f && System.Math.Abs(deltaY) < 0.5f)
continue;
var touch = mTouchArgs[ptProp.Id];
if (touch == null)
{
touch = new EngineNS.Input.Device.TouchDevice.TouchInputEventArgs();
mTouchArgs[ptProp.Id] = touch;
}
touch.TouchEvent.State = Input.Device.TouchDevice.enTouchState.Move;
touch.TouchEvent.PosX = x;
touch.TouchEvent.PosY = y;
touch.TouchEvent.DeltaX = deltaX;
touch.TouchEvent.DeltaY = deltaY;
touch.TouchEvent.FingerIdx = ptProp.Id;
touch.TouchEvent.ToolType = (EngineNS.Input.Device.TouchDevice.enToolType)e.GetToolType(acindex);
EngineNS.CEngine.Instance.InputServerInstance.OnInputEvnet(touch);
}
mPointerPropPool.ReleaseObject(ptProp);
}
break;
}
}
catch(System.Exception)
{
}
}
// ===========================================================
// Getter & Setter
// ===========================================================
// ===========================================================
// Methods for/from SuperClass/Interfaces
// ===========================================================
public override bool OnHandleMotionEvent(MotionEvent pMotionEvent)
{
//return this.fireTouchEvent(pMotionEvent.getX(), pMotionEvent.getY(), pMotionEvent.getAction(), 0, pMotionEvent);
return(this.FireTouchEvent(pMotionEvent.GetX(), pMotionEvent.GetY(), pMotionEvent.Action, 0, pMotionEvent));
}