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public
final
class
MediaProjection
extends Object
java.lang.Object | |
↳ | android.media.projection.MediaProjection |
A token granting applications the ability to capture screen contents and/or record system audio. The exact capabilities granted depend on the type of MediaProjection.
A screen capture session can be started through MediaProjectionManager.createScreenCaptureIntent()
. This grants the ability to
capture screen contents, but not system audio.
Nested classes | |
---|---|
class |
MediaProjection.Callback
Callbacks for the projection session. |
Public methods | |
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VirtualDisplay
|
createVirtualDisplay(String name, int width, int height, int dpi, int flags, Surface surface, VirtualDisplay.Callback callback, Handler handler)
Creates a |
void
|
registerCallback(MediaProjection.Callback callback, Handler handler)
Register a listener to receive notifications about when the |
void
|
stop()
Stops projection. |
void
|
unregisterCallback(MediaProjection.Callback callback)
Unregister a MediaProjection listener. |
Inherited methods | |
---|---|
public VirtualDisplay createVirtualDisplay (String name, int width, int height, int dpi, int flags, Surface surface, VirtualDisplay.Callback callback, Handler handler)
Creates a VirtualDisplay
to capture the
contents of the screen.
Parameters | |
---|---|
name |
String : The name of the virtual display, must be non-empty.
This value cannot be null . |
width |
int : The width of the virtual display in pixels. Must be
greater than 0. |
height |
int : The height of the virtual display in pixels. Must be
greater than 0. |
dpi |
int : The density of the virtual display in dpi. Must be greater
than 0. |
flags |
int : A combination of virtual display flags. See DisplayManager for the full
list of flags. |
surface |
Surface : The surface to which the content of the virtual display
should be rendered, or null if there is none initially.
This value may be null . |
callback |
VirtualDisplay.Callback : Callback to call when the virtual display's state
changes, or null if none.
This value may be null . |
handler |
Handler : The Handler on which the callback should be
invoked, or null if the callback should be invoked on the calling
thread's main Looper .
This value may be null . |
Returns | |
---|---|
VirtualDisplay |
See also:
public void registerCallback (MediaProjection.Callback callback, Handler handler)
Register a listener to receive notifications about when the MediaProjection
changes state.
Parameters | |
---|---|
callback |
MediaProjection.Callback : The callback to call. |
handler |
Handler : The handler on which the callback should be invoked, or
null if the callback should be invoked on the calling thread's looper. |
public void stop ()
Stops projection.
public void unregisterCallback (MediaProjection.Callback callback)
Unregister a MediaProjection listener.
Parameters | |
---|---|
callback |
MediaProjection.Callback : The callback to unregister. |