Interface IAdornerProvider

Defines interface to the Adorner Provider which draws adorners for the IAnnotation instance

Namespace:

Assembly: .dll

Syntax

public interface IAdornerProvider

Methods

onDragDelta(float horizontalOffset, float verticalOffset)

Called when this adorner provider is dragged

Declaration

public abstract boolean onDragDelta(float horizontalOffset, float verticalOffset)

Parameters

Type	Name	Description
float	horizontalOffset	The horizontal offset in pixels
float	verticalOffset	The vertical offset in pixels

Returns

Type	Description
boolean	True if drag operation was handled and this adorner provider needs to receive notifications about future drag operations

onDragEnded()

Called when drag operation ends

Declaration

public abstract void onDragEnded()

onDragStarted(float startPointX, float startPointY, IAdornerLayer relativeTo)

Called when drag operation starts on IAdornerLayer

Declaration

public abstract boolean onDragStarted(float startPointX, float startPointY, IAdornerLayer relativeTo)

Parameters

Type	Name	Description
float	startPointX	The x coordinate in pixels relative to parent IAdornerLayer
float	startPointY	The y coordiante in pixels relative to parent IAdornerLayer
IAdornerLayer	relativeTo	The IAdornerLayer instance

Returns

Type	Description
boolean	True if drag operation was handled and this adorner provider needs to receive notifications about future drag operations

onDrawAdorner(Canvas adornerCanvas)

Draws this adorner provider on specified Canvas

Declaration

public abstract void onDrawAdorner(Canvas adornerCanvas)

Parameters

Type	Name	Description
android.graphics.Canvas	adornerCanvas	The target canvas to draw adorner on

updateAdorner()

Updates the adorner provider with latest values

Declaration

public abstract void updateAdorner()