Package io.flutter.plugin.platform

Class PlatformViewsControllerDelegator

java.lang.Object

io.flutter.plugin.platform.PlatformViewsControllerDelegator

All Implemented Interfaces:

PlatformViewsChannel.PlatformViewsHandler, PlatformViewsAccessibilityDelegate

public class PlatformViewsControllerDelegator
extends Object
implements PlatformViewsAccessibilityDelegate, PlatformViewsChannel.PlatformViewsHandler

Field Summary

Fields inherited from interface io.flutter.embedding.engine.systemchannels.PlatformViewsChannel.PlatformViewsHandler

NON_TEXTURE_FALLBACK

Constructor Summary

Constructors

Constructor	Description
PlatformViewsControllerDelegator(PlatformViewsController platformViewsController, PlatformViewsController2 platformViewsController2)

Method Summary

Modifier and Type	Method	Description
void	attach(Context context, TextureRegistry textureRegistry, DartExecutor dartExecutor)
void	attachAccessibilityBridge(AccessibilityBridge accessibilityBridge)	Attaches an accessibility bridge for this platform views accessibility delegate.
void	clearFocus(int viewId)	Clears the focus from the platform view with a give id if it is currently focused.
void	createForPlatformViewLayer(PlatformViewCreationRequest request)	The Flutter application would like to display a new Android View, i.e., platform view.
long	createForTextureLayer(PlatformViewCreationRequest request)	The Flutter application would like to display a new Android View, i.e., platform view.
void	createPlatformViewHcpp(PlatformViewCreationRequest request)
void	detachAccessibilityBridge()	Detaches the current accessibility bridge.
void	dispose(int viewId)	The Flutter application would like to dispose of an existing Android View.
View	getPlatformViewById(int viewId)	Returns the root of the view hierarchy for the platform view with the requested id, or null if there is no corresponding view.
boolean	isHcppEnabled()	Returns true if creation of HC++ platform views is currently supported.
void	offset(int viewId, double top, double left)	The Flutter application would like to change the offset of an existing Android View.
void	onTouch(PlatformViewTouch touch)	The user touched a platform view within Flutter.
void	resize(PlatformViewsChannel.PlatformViewResizeRequest request, PlatformViewsChannel.PlatformViewBufferResized onComplete)	The Flutter application would like to resize an existing Android View.
void	setDirection(int viewId, int direction)	The Flutter application would like to change the layout direction of an existing Android View, i.e., platform view.
void	synchronizeToNativeViewHierarchy(boolean yes)	Whether the render surface of FlutterView should be converted to a FlutterImageView when a PlatformView is added.
boolean	usesVirtualDisplay(int id)	Returns true if the platform view uses virtual displays.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

PlatformViewsControllerDelegator

public PlatformViewsControllerDelegator(PlatformViewsController platformViewsController,
 PlatformViewsController2 platformViewsController2)

Method Details

getPlatformViewById

@Nullable
public View getPlatformViewById(int viewId)

Description copied from interface: PlatformViewsAccessibilityDelegate

Returns the root of the view hierarchy for the platform view with the requested id, or null if there is no corresponding view.

Specified by:

getPlatformViewById in interface PlatformViewsAccessibilityDelegate

usesVirtualDisplay

public boolean usesVirtualDisplay(int id)

Description copied from interface: PlatformViewsAccessibilityDelegate

Returns true if the platform view uses virtual displays.

Specified by:

usesVirtualDisplay in interface PlatformViewsAccessibilityDelegate

attachAccessibilityBridge

public void attachAccessibilityBridge(@NonNull
 AccessibilityBridge accessibilityBridge)

Description copied from interface: PlatformViewsAccessibilityDelegate

Attaches an accessibility bridge for this platform views accessibility delegate.

Accessibility events originating in platform views belonging to this delegate will be delegated to this accessibility bridge.

Specified by:

attachAccessibilityBridge in interface PlatformViewsAccessibilityDelegate

detachAccessibilityBridge

public void detachAccessibilityBridge()

Description copied from interface: PlatformViewsAccessibilityDelegate

Detaches the current accessibility bridge.

Any accessibility events sent by platform views belonging to this delegate will be ignored until a new accessibility bridge is attached.

Specified by:

detachAccessibilityBridge in interface PlatformViewsAccessibilityDelegate

dispose

public void dispose(int viewId)

Description copied from interface: PlatformViewsChannel.PlatformViewsHandler

The Flutter application would like to dispose of an existing Android View.

Specified by:

dispose in interface PlatformViewsChannel.PlatformViewsHandler

resize

public void resize(@NonNull
 PlatformViewsChannel.PlatformViewResizeRequest request,
 @NonNull
 PlatformViewsChannel.PlatformViewBufferResized onComplete)

Description copied from interface: PlatformViewsChannel.PlatformViewsHandler

The Flutter application would like to resize an existing Android View.

Specified by:

resize in interface PlatformViewsChannel.PlatformViewsHandler

Parameters:

request - The request to resize the platform view.

onComplete - Once the resize is completed, this is the handler to notify the size of the platform view buffer.

offset

public void offset(int viewId,
 double top,
 double left)

Description copied from interface: PlatformViewsChannel.PlatformViewsHandler

The Flutter application would like to change the offset of an existing Android View.

Specified by:

offset in interface PlatformViewsChannel.PlatformViewsHandler

onTouch

public void onTouch(@NonNull
 PlatformViewTouch touch)

Description copied from interface: PlatformViewsChannel.PlatformViewsHandler

The user touched a platform view within Flutter.

Touch data is reported in touch.

Specified by:

onTouch in interface PlatformViewsChannel.PlatformViewsHandler

setDirection

public void setDirection(int viewId,
 int direction)

Description copied from interface: PlatformViewsChannel.PlatformViewsHandler

The Flutter application would like to change the layout direction of an existing Android View, i.e., platform view.

Specified by:

setDirection in interface PlatformViewsChannel.PlatformViewsHandler

clearFocus

public void clearFocus(int viewId)

Description copied from interface: PlatformViewsChannel.PlatformViewsHandler

Clears the focus from the platform view with a give id if it is currently focused.

Specified by:

clearFocus in interface PlatformViewsChannel.PlatformViewsHandler

synchronizeToNativeViewHierarchy

public void synchronizeToNativeViewHierarchy(boolean yes)

Description copied from interface: PlatformViewsChannel.PlatformViewsHandler

Whether the render surface of FlutterView should be converted to a FlutterImageView when a PlatformView is added.

This is done to syncronize the rendering of the PlatformView and the FlutterView. Defaults to true.

Specified by:

synchronizeToNativeViewHierarchy in interface PlatformViewsChannel.PlatformViewsHandler

isHcppEnabled

public boolean isHcppEnabled()

Returns true if creation of HC++ platform views is currently supported.

Specified by:

isHcppEnabled in interface PlatformViewsChannel.PlatformViewsHandler

createForPlatformViewLayer

public void createForPlatformViewLayer(@NonNull
 PlatformViewCreationRequest request)

Description copied from interface: PlatformViewsChannel.PlatformViewsHandler

The Flutter application would like to display a new Android View, i.e., platform view.

The Android View is added to the view hierarchy. This view is rendered in the Flutter framework by a PlatformViewLayer.

Specified by:

createForPlatformViewLayer in interface PlatformViewsChannel.PlatformViewsHandler

Parameters:

request - The metadata sent from the framework.

createForTextureLayer

public long createForTextureLayer(@NonNull
 PlatformViewCreationRequest request)

Description copied from interface: PlatformViewsChannel.PlatformViewsHandler

The Flutter application would like to display a new Android View, i.e., platform view.

The Android View is added to the view hierarchy. This view is rendered in the Flutter framework by a TextureLayer.

Specified by:

createForTextureLayer in interface PlatformViewsChannel.PlatformViewsHandler

Parameters:

request - The metadata sent from the framework.

Returns:

The texture ID.

createPlatformViewHcpp

public void createPlatformViewHcpp(@NonNull
 PlatformViewCreationRequest request)

Specified by:

createPlatformViewHcpp in interface PlatformViewsChannel.PlatformViewsHandler

attach

public void attach(@Nullable
 Context context,
 @NonNull
 TextureRegistry textureRegistry,
 @NonNull
 DartExecutor dartExecutor)