From e081972b1e11b1c1038040c53d85e7a6d7a625c7 Mon Sep 17 00:00:00 2001
From: wangxiuxiu96 <wangxiuxiu9@huawei-partners.com>
Date: Mon, 8 Sep 2025 10:03:28 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B5=8B=E8=AF=95=E6=A1=86=E6=9E=B6=E6=94=AF?=
 =?UTF-8?q?=E6=8C=81=E6=96=87=E6=9C=AC=E8=BE=93=E5=85=A5=E7=9B=91=E5=90=AC?=
 =?UTF-8?q?=E6=8E=A5=E5=8F=A3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: wangxiuxiu96 <wangxiuxiu9@huawei-partners.com>
---
 api/@ohos.arkui.UIContext.d.ts | 53 ++++++++++++++++++++++++++++++++++
 api/@ohos.arkui.observer.d.ts  | 43 +++++++++++++++++++++++++++
 2 files changed, 96 insertions(+)

diff --git a/api/@ohos.arkui.UIContext.d.ts b/api/@ohos.arkui.UIContext.d.ts
index 9278165b5b..90aee127e4 100644
--- a/api/@ohos.arkui.UIContext.d.ts
+++ b/api/@ohos.arkui.UIContext.d.ts
@@ -2533,6 +2533,59 @@ export declare class UIObserver {
    */
   off(type: 'nodeRenderState', nodeIdentity: NodeIdentity, callback?: NodeRenderStateChangeCallback): void;
 
+  /**
+  * Registers a callback function to be called when text field's content is changed.
+  *
+  * @param { 'textChange' } type - The type of event to listen for. Must be 'textChange'.
+  * @param { Callback<observer.TextChangeEventInfo> } callback - The callback function to be called when
+  *                                                                  text field's content is changed.
+  * @syscap SystemCapability.ArkUI.ArkUI.Full
+  * @crossplatform
+  * @atomicservice
+  * @since 21
+  */
+  on(type: 'textChange', callback: Callback<observer.TextChangeEventInfo>): void;
+  /**
+  * Removes a callback function that was previously registered with `on()`.
+  *
+  * @param { 'textChange' } type - The type of event to remove the listener for. Must be 'textChange'.
+  * @param { Callback<observer.TextChangeEventInfo> } [callback] - The callback function to remove. If not provided,
+  *                                                                     all callbacks for the given event type will be removed.
+  * @syscap SystemCapability.ArkUI.ArkUI.Full
+  * @crossplatform
+  * @atomicservice
+  * @since 21
+  */
+  off(type: 'textChange', callback?: Callback<observer.TextChangeEventInfo>): void;
+
+
+  /**
+  * Registers a callback function to be called when text field's content is changed.
+  *
+  * @param { 'textChange' } type - The type of event to listen for. Must be 'textChange'.
+  * @param { observer.ObserverOptions } observerOptions - Options.
+  * @param { Callback<observer.TextChangeEventInfo> } callback - The callback function to be called when the
+  *                                                                 text field's content is changed.
+  * @syscap SystemCapability.ArkUI.ArkUI.Full
+  * @crossplatform
+  * @atomicservice
+  * @since 21
+  */
+  on(type: 'textChange', observerOptions: observer.ObserverOptions, callback: Callback<observer.TextChangeEventInfo>): void;
+  /**
+  * Removes a callback function that was previously registered with `on()`.
+  *
+  * @param { 'textChange' } type - The type of event to remove the listener for. Must be 'textChange'.
+  * @param { observer.ObserverOptions } observerOptions - Options.
+  * @param { Callback<observer.TextChangeEventInfo> } [callback] - The callback function to remove. If not provided,
+  *                                                                all callbacks for the given event type will be removed.
+  * @syscap SystemCapability.ArkUI.ArkUI.Full
+  * @crossplatform
+  * @atomicservice
+  * @since 21
+  */
+  off(type: 'textChange', observerOptions: observer.ObserverOptions, callback?: Callback<observer.TextChangeEventInfo>): void;
+
   /**
    * Registers a callback to monitor the gesture trigger information.
    *
diff --git a/api/@ohos.arkui.observer.d.ts b/api/@ohos.arkui.observer.d.ts
index dcc34ce776..ab6b6788d8 100644
--- a/api/@ohos.arkui.observer.d.ts
+++ b/api/@ohos.arkui.observer.d.ts
@@ -969,6 +969,49 @@ declare namespace uiObserver {
     operation: NavigationOperation;
   }
 
+  /**
+  * Text change event info
+  *
+  * @interface TextChangeEventInfo
+  * @syscap SystemCapability.ArkUI.ArkUI.Full
+  * @crossplatform
+  * @atomicservice
+  * @since 21
+  */
+  export interface TextChangeEventInfo {
+      /**
+      * The id of text input component.
+      *
+      * @type { string }
+      * @syscap SystemCapability.ArkUI.ArkUI.Full
+      * @crossplatform
+      * @atomicservice
+      * @since 21
+      */
+      id: string;
+
+      /**
+      * The uniqueId of the text input component.
+      *
+      * @type { number }
+      * @syscap SystemCapability.ArkUI.ArkUI.Full
+      * @crossplatform
+      * @atomicservice
+      * @since 21
+      */
+      uniqueId: number;
+      /**
+      * Current content of text field component .
+      *
+      * @type { string }
+      * @syscap SystemCapability.ArkUI.ArkUI.Full
+      * @crossplatform
+      * @atomicservice
+      * @since 21
+      */
+      content: string;
+}
+
   /**
    * Indicates the options of NavDestination switch.
    *
-- 
Gitee