Fix <KeyboardAvoidingView> with floating keyboard on iPad

packages/react-native/Libraries/Components/Keyboard/KeyboardAvoidingView.js

@@ -9,6 +9,7 @@
  */
 
 import type {ViewStyleProp} from '../../StyleSheet/StyleSheet';
+import type {DimensionsPayload} from '../../Utilities/NativeDeviceInfo';
 import type {
   ViewLayout,
   ViewLayoutEvent,
@@ -18,6 +19,7 @@ import type {KeyboardEvent, KeyboardMetrics} from './Keyboard';
 
 import LayoutAnimation from '../../LayoutAnimation/LayoutAnimation';
 import StyleSheet from '../../StyleSheet/StyleSheet';
+import Dimensions from '../../Utilities/Dimensions';
 import Platform from '../../Utilities/Platform';
 import {type EventSubscription} from '../../vendor/emitter/EventEmitter';
 import AccessibilityInfo from '../AccessibilityInfo/AccessibilityInfo';
@@ -66,6 +68,7 @@ class KeyboardAvoidingView extends React.Component<Props, State> {
   viewRef: {current: React.ElementRef<typeof View> | null, ...};
   _initialFrameHeight: number = 0;
   _bottom: number = 0;
+  _windowWidth: number = Dimensions.get('window').width;
 
   constructor(props: Props) {
     super(props);
@@ -130,6 +133,10 @@ class KeyboardAvoidingView extends React.Component<Props, State> {
     }
   };
 
+  _onDimensionsChange = ({window}: DimensionsPayload) => {
+    this._windowWidth = window?.width ?? 0;
+  };
+
   // Avoid unnecessary renders if the KeyboardAvoidingView is disabled.
   _setBottom = (value: number) => {
     const enabled = this.props.enabled ?? true;
@@ -145,6 +152,15 @@ class KeyboardAvoidingView extends React.Component<Props, State> {
       return;
     }
 
+    if (
+      Platform.OS === 'ios' &&
+      this._windowWidth !== this._keyboardEvent.endCoordinates.width
+    ) {
+      // The keyboard is not the standard bottom-of-the-screen keyboard. For example, floating keyboard on iPadOS.
+      this._setBottom(0);
+      return;
+    }
+
     const {duration, easing, endCoordinates} = this._keyboardEvent;
     const height = await this._relativeKeyboardHeight(endCoordinates);
 
@@ -178,6 +194,7 @@ class KeyboardAvoidingView extends React.Component<Props, State> {
     if (Platform.OS === 'ios') {
       this._subscriptions = [
         Keyboard.addListener('keyboardWillChangeFrame', this._onKeyboardChange),
+        Dimensions.addEventListener('change', this._onDimensionsChange),
       ];
     } else {
       this._subscriptions = [