AccessibilityChannel.AccessibilityMessageHandler

All Superinterfaces:: FlutterJNI.AccessibilityDelegate

Enclosing class:: AccessibilityChannel

public static interface AccessibilityChannel.AccessibilityMessageHandler extends FlutterJNI.AccessibilityDelegate

Handler that receives accessibility messages sent from Flutter to Android through a given AccessibilityChannel.

To register an AccessibilityMessageHandler with a AccessibilityChannel, see AccessibilityChannel.setAccessibilityMessageHandler(AccessibilityMessageHandler).

Method Summary

Modifier and Type

Method

Description

void

announce(String message)

Deprecated.

void

onFocus(int nodeId)

The framework has requested focus on the semantics node with the given nodeId.

void

onLongPress(int nodeId)

The user has long pressed on the semantics node with the given nodeId.

void

onTap(int nodeId)

The user has tapped on the semantics node with the given nodeId.

void

onTooltip(String message)

The user has opened a tooltip.

void

resetSemantics()

The framework has stopped compiling the accessibility tree.

Methods inherited from interface io.flutter.embedding.engine.FlutterJNI.AccessibilityDelegate
setLocale, updateCustomAccessibilityActions, updateSemantics

Method Details
- announce
  
  @Deprecated(since="Android API level 36") void announce(@NonNull String message)
  
  Deprecated.
  
  The Dart application would like the given message to be announced.
  Using AnnounceSemanticsEvent for accessibility is deprecated on Android. Migrate to using semantic properties for a more robust and accessible user experience.
  See Also:
  
  announceForAccessibility"
- onTap
  
  void onTap(int nodeId)
  
  The user has tapped on the semantics node with the given nodeId.
- onLongPress
  
  void onLongPress(int nodeId)
  
  The user has long pressed on the semantics node with the given nodeId.
- onFocus
  
  void onFocus(int nodeId)
  
  The framework has requested focus on the semantics node with the given nodeId.
- onTooltip
  
  void onTooltip(@NonNull String message)
  
  The user has opened a tooltip.
- resetSemantics
  
  void resetSemantics()
  
  The framework has stopped compiling the accessibility tree.
  The subclass needs to clean up any cached accessibility data from previous update.
  
  Specified by:
  
  resetSemantics in interface FlutterJNI.AccessibilityDelegate