io.flutter.embedding.engine.systemchannels

Interface PlatformViewsChannel.PlatformViewsHandler

Enclosing class:

PlatformViewsChannel

public static interface PlatformViewsChannel.PlatformViewsHandler

Handler that receives platform view messages sent from Flutter to Android through a given PlatformViewsChannel.

To register a PlatformViewsHandler with a PlatformViewsChannel, see PlatformViewsChannel.setPlatformViewsHandler(PlatformViewsHandler).

Method Summary

Modifier and Type	Method and Description
void	clearFocus(int viewId) Clears the focus from the platform view with a give id if it is currently focused.
void	createAndroidViewForPlatformView(PlatformViewsChannel.PlatformViewCreationRequest request) The Flutter application would like to display a new Android View, i.e., platform view.
long	createVirtualDisplayForPlatformView(PlatformViewsChannel.PlatformViewCreationRequest request) The Flutter application would like to display a new Android View.
void	disposeAndroidViewForPlatformView(int viewId) The Flutter application would like to dispose of an existing Android View rendered in the view hierarchy.
void	disposeVirtualDisplayForPlatformView(int viewId) The Flutter application would like to dispose of an existing Android View rendered in a virtual display.
void	onTouch(PlatformViewsChannel.PlatformViewTouch touch) The user touched a platform view within Flutter.
void	resizePlatformView(PlatformViewsChannel.PlatformViewResizeRequest request, Runnable onComplete) The Flutter application would like to resize an existing Android View, i.e., platform 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.

Method Detail

createAndroidViewForPlatformView

void createAndroidViewForPlatformView(@NonNull
                                      PlatformViewsChannel.PlatformViewCreationRequest request)

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

The Android View is added to the view hierarchy.

disposeAndroidViewForPlatformView

void disposeAndroidViewForPlatformView(int viewId)

The Flutter application would like to dispose of an existing Android View rendered in the view hierarchy.

createVirtualDisplayForPlatformView

long createVirtualDisplayForPlatformView(@NonNull
                                         PlatformViewsChannel.PlatformViewCreationRequest request)

The Flutter application would like to display a new Android View.

View is added to a VirtualDisplay. The framework uses id returned by this method to lookup the texture in the engine.

disposeVirtualDisplayForPlatformView

void disposeVirtualDisplayForPlatformView(int viewId)

The Flutter application would like to dispose of an existing Android View rendered in a virtual display.

resizePlatformView

void resizePlatformView(@NonNull
                        PlatformViewsChannel.PlatformViewResizeRequest request,
                        @NonNull
                        Runnable onComplete)

The Flutter application would like to resize an existing Android View, i.e., platform view.

onTouch

void onTouch(@NonNull
             PlatformViewsChannel.PlatformViewTouch touch)

The user touched a platform view within Flutter.

Touch data is reported in touch.

setDirection

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.

clearFocus

void clearFocus(int viewId)

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