Add specs for AccessibilityInfo (#24891)

Summary:
Part of #24875

## Changelog

[General] [Added] - Add TurboModule spec for AccessibilityInfo
Pull Request resolved: #24891

Reviewed By: fkgozali

Differential Revision: D15394913

Pulled By: RSNara

fbshipit-source-id: e66e7b7fc4451575b5022695f125c15f9f4b707e

Libraries/Components/AccessibilityInfo/AccessibilityInfo.android.js

@@ -10,12 +10,11 @@
 
 'use strict';
 
-const NativeModules = require('../../BatchedBridge/NativeModules');
+import NativeAccessibilityInfo from './NativeAccessibilityInfo';
+
 const RCTDeviceEventEmitter = require('../../EventEmitter/RCTDeviceEventEmitter');
 const UIManager = require('../../ReactNative/UIManager');
 
-const RCTAccessibilityInfo = NativeModules.AccessibilityInfo;
-
 const REDUCE_MOTION_EVENT = 'reduceMotionDidChange';
 const TOUCH_EXPLORATION_EVENT = 'touchExplorationDidChange';
 
@@ -61,7 +60,11 @@ const AccessibilityInfo = {
 
   isReduceMotionEnabled: function(): Promise<boolean> {
     return new Promise((resolve, reject) => {
-      RCTAccessibilityInfo.isReduceMotionEnabled(resolve);
+      if (NativeAccessibilityInfo) {
+        NativeAccessibilityInfo.isReduceMotionEnabled(resolve);
+      } else {
+        reject(false);
+      }
     });
   },
 
@@ -74,7 +77,11 @@ const AccessibilityInfo = {
 
   isScreenReaderEnabled: function(): Promise<boolean> {
     return new Promise((resolve, reject) => {
-      RCTAccessibilityInfo.isTouchExplorationEnabled(resolve);
+      if (NativeAccessibilityInfo) {
+        NativeAccessibilityInfo.isTouchExplorationEnabled(resolve);
+      } else {
+        reject(false);
+      }
     });
   },
 
@@ -142,7 +149,9 @@ const AccessibilityInfo = {
    * See http://facebook.github.io/react-native/docs/accessibilityinfo.html#announceforaccessibility
    */
   announceForAccessibility: function(announcement: string): void {
-    RCTAccessibilityInfo.announceForAccessibility(announcement);
+    if (NativeAccessibilityInfo) {
+      NativeAccessibilityInfo.announceForAccessibility(announcement);
+    }
   },
 };
 

Libraries/Components/AccessibilityInfo/NativeAccessibilityInfo.js

@@ -0,0 +1,27 @@
+/**
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ *
+ * @flow
+ * @format
+ */
+
+'use strict';
+
+import type {TurboModule} from 'RCTExport';
+import * as TurboModuleRegistry from 'TurboModuleRegistry';
+
+export interface Spec extends TurboModule {
+  +isReduceMotionEnabled: (
+    onSuccess: (isReduceMotionEnabled: boolean) => void,
+  ) => void;
+  +isTouchExplorationEnabled: (
+    onSuccess: (isScreenReaderEnabled: boolean) => void,
+  ) => void;
+  +setAccessibilityFocus: (reactTag: number) => void;
+  +announceForAccessibility: (announcement: string) => void;
+}
+
+export default TurboModuleRegistry.get<Spec>('AccessibilityInfo');