FlutterJNI.AccessibilityDelegate

All Known Subinterfaces:: AccessibilityChannel.AccessibilityMessageHandler

Enclosing class:: FlutterJNI

public static interface FlutterJNI.AccessibilityDelegate

Delegate responsible for creating and updating Android-side caches of Flutter's semantics tree and custom accessibility actions.

AccessibilityBridge is an example of an AccessibilityDelegate.

Method Summary

Modifier and Type

Method

Description

void

updateCustomAccessibilityActions(ByteBuffer buffer, String[] strings)

Sends new custom accessibility actions from Flutter to Android.

void

updateSemantics(ByteBuffer buffer, String[] strings, ByteBuffer[] stringAttributeArgs)

Sends new SemanticsNode information from Flutter to Android.

Method Details
- updateCustomAccessibilityActions
  
  void updateCustomAccessibilityActions(@NonNull ByteBuffer buffer, @NonNull String[] strings)
  
  Sends new custom accessibility actions from Flutter to Android.
  Implementers are expected to maintain an Android-side cache of custom accessibility actions. This method provides new actions to add to that cache.
- updateSemantics
  
  void updateSemantics(@NonNull ByteBuffer buffer, @NonNull String[] strings, @NonNull ByteBuffer[] stringAttributeArgs)
  
  Sends new SemanticsNode information from Flutter to Android.
  Implementers are expected to maintain an Android-side cache of Flutter's semantics tree. This method provides updates from Flutter for the Android-side semantics tree cache.