ScrollCaptureSession
public
class
ScrollCaptureSession
extends Object
java.lang.Object | |
↳ | android.view.ScrollCaptureSession |
A session represents the scope of interaction between a ScrollCaptureCallback
and the
system during an active scroll capture operation.
Summary
Public constructors | |
---|---|
ScrollCaptureSession(Surface surface, Rect scrollBounds, Point positionInWindow)
Constructs a new session instance. |
Public methods | |
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Point
|
getPositionInWindow()
Returns the offset of |
Rect
|
getScrollBounds()
Returns the |
Surface
|
getSurface()
Returns a
BufferQueue in the
form of a |
Inherited methods | |
---|---|
Public constructors
ScrollCaptureSession
public ScrollCaptureSession (Surface surface, Rect scrollBounds, Point positionInWindow)
Constructs a new session instance.
Parameters | |
---|---|
surface |
Surface : the surface to consume generated images
This value cannot be null . |
scrollBounds |
Rect : the bounds of the capture area within the containing view
This value cannot be null . |
positionInWindow |
Point : the offset of scrollBounds within the window
This value cannot be null . |
Public methods
getPositionInWindow
public Point getPositionInWindow ()
Returns the offset of scroll bounds
within the window.
Returns | |
---|---|
Point |
the area of scrolling content within the containing view
This value cannot be null . |
getScrollBounds
public Rect getScrollBounds ()
Returns the scroll bounds
, as provided by
ScrollCaptureCallback.onScrollCaptureSearch
.
Returns | |
---|---|
Rect |
the area of scrolling content within the containing view
This value cannot be null . |
getSurface
public Surface getSurface ()
Returns a
BufferQueue in the
form of a Surface
for transfer of image buffers.
The surface is guaranteed to remain valid
until the session
ends
.
Returns | |
---|---|
Surface |
the surface for transferring image buffers
This value cannot be null . |
Throws | |
---|---|
IllegalStateException |
if the session has been closed |