Adds accessiblity actions on core components (#31532)

Summary:
Android: Adding custom actions (#30854).
Adds accessiblity actions on core components (Button, TextInput, Text, and Picker).

## Changelog
[General] [Added] - Adds accessiblity actions on core components

Pull Request resolved: #31532

Test Plan:
- `npm test`
- Rendering of components on `RNTesterApp` using talkback:
    - Check if accessibility actions were available;
    ![image](https://user-images.githubusercontent.com/33161939/118381843-a668c180-b5c5-11eb-9ce4-016a49157dc5.png)
    - Trigger `activate` action for all components;
    ![image](https://user-images.githubusercontent.com/33161939/118381736-7bca3900-b5c4-11eb-82fb-32e824e1b38c.png)

## Notes
- For `TextInput` an unexpected error is raised:
![image](https://user-images.githubusercontent.com/33161939/118381603-d1054b00-b5c2-11eb-93f2-1d5730ee2d24.png)

Reviewed By: kacieb

Differential Revision: D28654294

Pulled By: lunaleaps

fbshipit-source-id: 80dd3f3c7aa27bbaf16ef12997e8f55952a02eb2

Libraries/Components/Button.js

@@ -20,7 +20,11 @@ import TouchableOpacity from './Touchable/TouchableOpacity';
 import View from './View/View';
 import invariant from 'invariant';
 
-import type {AccessibilityState} from './View/ViewAccessibility';
+import type {
+  AccessibilityState,
+  AccessibilityActionEvent,
+  AccessibilityActionInfo,
+} from './View/ViewAccessibility';
 import type {PressEvent} from '../Types/CoreEventTypes';
 
 type ButtonProps = $ReadOnly<{|
@@ -137,6 +141,9 @@ type ButtonProps = $ReadOnly<{|
   /**
    * Accessibility props.
    */
+  accessible?: ?boolean,
+  accessibilityActions?: ?$ReadOnlyArray<AccessibilityActionInfo>,
+  onAccessibilityAction?: ?(event: AccessibilityActionEvent) => mixed,
   accessibilityState?: ?AccessibilityState,
 |}>;
 
@@ -266,6 +273,9 @@ class Button extends React.Component<ButtonProps> {
       nextFocusRight,
       nextFocusUp,
       testID,
+      accessible,
+      accessibilityActions,
+      onAccessibilityAction,
     } = this.props;
     const buttonStyles = [styles.button];
     const textStyles = [styles.text];
@@ -303,6 +313,9 @@ class Button extends React.Component<ButtonProps> {
 
     return (
       <Touchable
+        accessible={accessible}
+        accessibilityActions={accessibilityActions}
+        onAccessibilityAction={onAccessibilityAction}
         accessibilityLabel={accessibilityLabel}
         accessibilityRole="button"
         accessibilityState={accessibilityState}

Libraries/Components/Picker/Picker.js

@@ -18,6 +18,11 @@ import UnimplementedView from '../UnimplementedViews/UnimplementedView';
 
 import type {TextStyleProp, ColorValue} from '../../StyleSheet/StyleSheet';
 
+import type {
+  AccessibilityActionEvent,
+  AccessibilityActionInfo,
+} from '../View/ViewAccessibility';
+
 const MODE_DIALOG = 'dialog';
 const MODE_DROPDOWN = 'dropdown';
 
@@ -115,6 +120,27 @@ type PickerProps = $ReadOnly<{|
    * The string used for the accessibility label. Will be read once focused on the picker but not on change.
    */
   accessibilityLabel?: ?string,
+
+  /**
+   * When `true`, indicates that the view is an accessibility element.
+   * By default, all the touchable elements are accessible.
+   *
+   * See https://reactnative.dev/docs/view.html#accessible
+   */
+  accessible?: ?boolean,
+
+  /**
+   * Provides an array of custom actions available for accessibility.
+   *
+   */
+  accessibilityActions?: ?$ReadOnlyArray<AccessibilityActionInfo>,
+
+  /**
+   * When `accessible` is true, the system will try to invoke this function
+   * when the user performs an accessibility custom action.
+   *
+   */
+  onAccessibilityAction?: ?(event: AccessibilityActionEvent) => mixed,
 |}>;
 
 /**

Libraries/Components/Picker/PickerAndroid.android.js

@@ -19,6 +19,11 @@ import StyleSheet from '../../StyleSheet/StyleSheet';
 import invariant from 'invariant';
 import processColor from '../../StyleSheet/processColor';
 
+import type {
+  AccessibilityActionEvent,
+  AccessibilityActionInfo,
+} from '../View/ViewAccessibility';
+
 import type {SyntheticEvent} from '../../Types/CoreEventTypes';
 import type {ColorValue, TextStyleProp} from '../../StyleSheet/StyleSheet';
 
@@ -31,6 +36,9 @@ type PickerItemSelectSyntheticEvent = SyntheticEvent<
 type PickerItemValue = number | string;
 
 type Props = $ReadOnly<{|
+  accessible?: ?boolean,
+  accessibilityActions?: ?$ReadOnlyArray<AccessibilityActionInfo>,
+  onAccessibilityAction?: ?(event: AccessibilityActionEvent) => mixed,
   accessibilityLabel?: ?Stringish,
   children?: React.Node,
   style?: ?TextStyleProp,
@@ -111,6 +119,9 @@ function PickerAndroid(props: Props): React.Node {
   );
 
   const rootProps = {
+    accessible: props.accessible,
+    accessibilityActions: props.accessibilityActions,
+    onAccessibilityAction: props.onAccessibilityAction,
     accessibilityLabel: props.accessibilityLabel,
     enabled: props.enabled,
     items,

Libraries/Text/TextProps.js

@@ -20,6 +20,8 @@ import type {TextStyleProp} from '../StyleSheet/StyleSheet';
 import type {
   AccessibilityRole,
   AccessibilityState,
+  AccessibilityActionInfo,
+  AccessibilityActionEvent,
 } from '../Components/View/ViewAccessibility';
 
 export type PressRetentionOffset = $ReadOnly<{|
@@ -39,6 +41,8 @@ export type TextProps = $ReadOnly<{|
    * See https://reactnative.dev/docs/text.html#accessible
    */
   accessible?: ?boolean,
+  accessibilityActions?: ?$ReadOnlyArray<AccessibilityActionInfo>,
+  onAccessibilityAction?: ?(event: AccessibilityActionEvent) => mixed,
   accessibilityHint?: ?Stringish,
   accessibilityLabel?: ?Stringish,
   accessibilityRole?: ?AccessibilityRole,

packages/rn-tester/js/examples/Accessibility/AccessibilityExample.js

@@ -23,6 +23,7 @@ const {
   Alert,
   StyleSheet,
   Slider,
+  Picker,
   Platform,
 } = require('react-native');
 import type {EventSubscription} from 'react-native/Libraries/vendor/emitter/EventEmitter';
@@ -664,7 +665,7 @@ class AccessibilityActionsExample extends React.Component<{}> {
           </View>
         </RNTesterBlock>
 
-        <RNTesterBlock title="Button with custom accessibility actions">
+        <RNTesterBlock title="TouchableWithoutFeedback with custom accessibility actions">
           <TouchableWithoutFeedback
             accessible={true}
             accessibilityActions={[
@@ -692,6 +693,70 @@ class AccessibilityActionsExample extends React.Component<{}> {
             </View>
           </TouchableWithoutFeedback>
         </RNTesterBlock>
+
+        <RNTesterBlock title="Button with accessibility actions">
+          <Button
+            accessible={true}
+            accessibilityActions={[
+              {name: 'activate', label: 'activate label'},
+              {name: 'copy', label: 'copy label'},
+            ]}
+            onAccessibilityAction={event => {
+              switch (event.nativeEvent.actionName) {
+                case 'activate':
+                  Alert.alert('Alert', 'Activate accessiblity action');
+                  break;
+                case 'copy':
+                  Alert.alert('Alert', 'copy action success');
+                  break;
+              }
+            }}
+            onPress={() => Alert.alert('Button has been pressed!')}
+            title="Button with accessiblity action"
+          />
+        </RNTesterBlock>
+
+        <RNTesterBlock title="Text with custom accessibility actions">
+          <Text
+            accessible={true}
+            accessibilityActions={[
+              {name: 'activate', label: 'activate label'},
+              {name: 'copy', label: 'copy label'},
+            ]}
+            onAccessibilityAction={event => {
+              switch (event.nativeEvent.actionName) {
+                case 'activate':
+                  Alert.alert('Alert', 'Activate accessiblity action');
+                  break;
+                case 'copy':
+                  Alert.alert('Alert', 'copy action success');
+                  break;
+              }
+            }}>
+            Text
+          </Text>
+        </RNTesterBlock>
+
+        <RNTesterBlock title="Picker with accessibility actions">
+          <Picker
+            accessible={true}
+            accessibilityActions={[
+              {name: 'activate', label: 'activate label'},
+              {name: 'copy', label: 'copy label'},
+            ]}
+            onAccessibilityAction={event => {
+              switch (event.nativeEvent.actionName) {
+                case 'activate':
+                  Alert.alert('Alert', 'Activate accessiblity action');
+                  break;
+                case 'copy':
+                  Alert.alert('Alert', 'copy action success');
+                  break;
+              }
+            }}>
+            <Picker.Item label="Item 1" value="item1" />
+          </Picker>
+        </RNTesterBlock>
       </View>
     );
   }