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

setLocale(String locale)

Sets the locale for the assistive technologies.

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.
- setLocale
  
  void setLocale(@NonNull String locale)
  
  Sets the locale for the assistive technologies.
  Must be called on the main thread