Update docs against 19717+19706+19228+19909

Signed-off-by: wusongqing<wusongqing@huawei.com>

en/application-dev/application-models/create-dataability.md

@@ -12,7 +12,7 @@ import dataAbility from '@ohos.data.dataAbility'
 import relationalStore from '@ohos.data.relationalStore'
 
 const TABLE_NAME = 'book'
-const STORE_CONFIG = { name: 'book.db' }
+const STORE_CONFIG = { name: 'book.db',securityLevel: 1 }
 const SQL_CREATE_TABLE = 'CREATE TABLE IF NOT EXISTS book(id INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT NOT NULL, introduction TEXT NOT NULL)'
 let rdbStore: relationalStore.RdbStore = undefined
 

en/application-dev/reference/apis/js-apis-ability-featureAbility.md

@@ -707,7 +707,7 @@ let connectId = featureAbility.connectAbility(
 );
 
 featureAbility.disconnectAbility(connectId).then((data) => {
-    console.log('data: ${data)}';
+    console.log('data: ${data)}')
 }).catch((error)=>{
     console.error('featureAbilityTest result errCode : ${error.code}');
 });

en/application-dev/reference/apis/js-apis-app-ability-appManager.md

@@ -298,7 +298,7 @@ appManager.getRunningProcessInformation((err, data) => {
 });
 ```
 
-## appManager.isSharedBundleRunning
+## appManager.isSharedBundleRunning<sup>10+</sup>
 
 isSharedBundleRunning(bundleName: string, versionCode: number): Promise\<boolean>;
 
@@ -323,11 +323,20 @@ Checks whether the shared library is in use. This API uses a promise to return t
 | -------- | -------- |
 | Promise\<boolean> | Promise used to return the result. The value **true** means that the shared library is in use, and **false** means the opposite.|
 
+**Error codes**
+
+| ID | Error Message |
+| 16000050 | Internal error. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
+
 **Example**
 
 ```ts
 import appManager from '@ohos.app.ability.appManager';
 
+const bundleName = "this is a bundleName";
+const versionCode = 1;
 appManager.isSharedBundleRunning(bundleName, versionCode).then((data) => {
     console.log('The shared bundle running is: ${JSON.stringify(data)}');
 }).catch((error) => {
@@ -335,7 +344,7 @@ appManager.isSharedBundleRunning(bundleName, versionCode).then((data) => {
 });
 ```
 
-## appManager.isSharedBundleRunning
+## appManager.isSharedBundleRunning<sup>10+</sup>
 
 isSharedBundleRunning(bundleName: string, versionCode: number, callback: AsyncCallback\<boolean>): void;
 
@@ -353,18 +362,22 @@ Checks whether the shared library is in use. This API uses an asynchronous callb
 | --------- | ---------------------------------------- | ---- | -------------- |
 | bundleName    | string   | Yes   | Bundle name of the shared library.|
 | versionCode   | number   | Yes   | Version number of the shared library.     |
+|AsyncCallback\<boolean>> | Callback used to return the result. The value **true** means that the shared library is in use, and **false** means the opposite.|
 
-**Return value**
+**Error codes**
 
-| Type| Description|
-| -------- | -------- |
-|AsyncCallback\<boolean>> | Callback used to return the result. The value **true** means that the shared library is in use, and **false** means the opposite.|
+| ID | Error Message |
+| 16000050 | Internal error. |
+
+For details about the error codes, see [Ability Error Codes](../errorcodes/errorcode-ability.md).
 
 **Example**
 
 ```ts
 import appManager from '@ohos.app.ability.appManager';
 
+const bundleName = "this is a bundleName";
+const versionCode = 1;
 appManager.isSharedBundleRunning(bundleName, versionCode, (err, data) => {
     if (err) {
         console.error('err: ${JSON.stringify(err)}');

en/application-dev/reference/apis/js-apis-app-ability-appRecovery.md

@@ -173,6 +173,8 @@ Saves the ability state, which will be used for recovery. This API can be used t
 
 ```ts
 import appRecovery from '@ohos.app.ability.appRecovery';
+import errorManager from '@ohos.app.ability.errorManager';
+
 let observer = {
     onUnhandledException(errorMsg) {
         console.log('onUnhandledException, errorMsg: ', errorMsg);

en/application-dev/reference/apis/js-apis-app-ability-dialogRequest.md

@@ -324,7 +324,7 @@ setRequestResult(result: RequestResult): void;
 
 Sets the result of the request for the modal dialog box.
 
-**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+**System capability**: SystemCapability.Ability.AbilityRuntime.AbilityCore
 
 **Parameters**
 

en/application-dev/reference/apis/js-apis-app-ability-extensionAbility.md

@@ -7,4 +7,10 @@
 > The initial APIs of this module are supported since API version 9. Newly added APIs will be marked with a superscript to indicate their earliest API version. 
 > The APIs of this module can be used only in the stage model.
 
+## Modules to Import
+
+```ts
+import ExtensionAbility from '@ohos.app.ability.ExtensionAbility';
+```
+
 **System capability**: SystemCapability.Ability.AbilityRuntime.AbilityCore

en/application-dev/reference/apis/js-apis-app-ability-missionManager.md

@@ -946,7 +946,7 @@ Clears all unlocked missions. This API uses a promise to return the result.
 import missionManager from '@ohos.app.ability.missionManager';
 
 try {
-    missionManager.clearAllMissions(bundleName).then((data) => {
+    missionManager.clearAllMissions().then((data) => {
         console.info('clearAllMissions successfully. Data: ${JSON.stringify(data)}');
     }).catch(err => {
         console.error('clearAllMissions failed: ${err.message}');

en/application-dev/reference/apis/js-apis-app-ability-quickFixManager.md

@@ -57,10 +57,10 @@ Applies a quick fix patch. This API uses an asynchronous callback to return the
 
 **Parameters**
 
-| Parameter| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| hapModuleQuickFixFiles | Array\<string> | Yes| Quick fix patch files, each of which must contain a valid file path.|
-| callback | AsyncCallback\<void> | Yes| Callback used to return the result.|
+  | Parameter| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | hapModuleQuickFixFiles | Array\<string> | Yes| Quick fix patch files, each of which must contain a valid file path.|
+  | callback | AsyncCallback\<void> | Yes| Callback used to return the result.|
 
 **Error codes**
 
@@ -116,15 +116,15 @@ Applies a quick fix patch. This API uses a promise to return the result.
 
 **Parameters**
 
-| Parameter| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| hapModuleQuickFixFiles | Array\<string> | Yes| Quick fix patch files, each of which must contain a valid file path.|
+  | Parameter| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | hapModuleQuickFixFiles | Array\<string> | Yes| Quick fix patch files, each of which must contain a valid file path.|
 
 **Return value**
 
-| Type| Description|
-| -------- | -------- |
-| Promise\<void> | Promise used to return the result.|
+  | Type| Description|
+  | -------- | -------- |
+  | Promise\<void> | Promise used to return the result.|
 
 **Error codes**
 
@@ -225,9 +225,9 @@ Obtains the quick fix information of the application. This API uses a promise to
 
 **Return value**
 
-| Type| Description|
-| -------- | -------- |
-| Promise\<[ApplicationQuickFixInfo](#applicationquickfixinfo)> | Promise used to return the quick fix information.|
+  | Type| Description|
+  | -------- | -------- |
+  | Promise\<[ApplicationQuickFixInfo](#applicationquickfixinfo)> | Promise used to return the quick fix information.|
 
 **Error codes**
 
@@ -267,10 +267,10 @@ Revokes quick fix. This API uses an asynchronous callback to return the result.
 
 **Parameters**
 
-| Parameter| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| bundleName | string | Yes| Name of the bundle for which the patch needs to be revoked.|
-| callback | AsyncCallback\<void> | Yes| Callback used to return the result.|
+  | Parameter| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | bundleName | string | Yes| Name of the bundle for which the patch needs to be revoked.|
+  | callback | AsyncCallback\<void> | Yes| Callback used to return the result.|
 
 **Error codes**
 
@@ -312,15 +312,15 @@ Revokes quick fix. This API uses a promise to return the result.
 
 **Parameters**
 
-| Parameter| Type| Mandatory| Description|
-| -------- | -------- | -------- | -------- |
-| bundleName | string | Yes| Name of the bundle for which the patch needs to be revoked.|
+  | Parameter| Type| Mandatory| Description|
+  | -------- | -------- | -------- | -------- |
+  | bundleName | string | Yes| Name of the bundle for which the patch needs to be revoked.|
 
 **Return value**
 
-| Type| Description|
-| -------- | -------- |
-| Promise\<void> | Promise used to return the result.|
+  | Type| Description|
+  | -------- | -------- |
+  | Promise\<void> | Promise used to return the result.|
 
 **Error codes**
 
@@ -349,5 +349,3 @@ If an error occurs during patch installation, the error code and message are ret
     console.info("revokeQuickFix " + bundleName +" failed, error code is ", JSON.stringify((err)));
   });
 ```
-
- <!--no_check--> 
\ No newline at end of file

en/application-dev/reference/apis/js-apis-app-ability-startOptions.md

@@ -19,7 +19,7 @@ import StartOptions from '@ohos.app.ability.StartOptions';
 
 | Name| Type| Mandatory| Description|
 | -------- | -------- | -------- | -------- |
-| [windowMode](js-apis-app-ability-abilityConstant.md#abilityconstantwindowmode) | number | No| Window mode.|
+| [windowMode](js-apis-app-ability-abilityConstant.md#abilityconstantwindowmode) | number | No| Window mode.<br>**System API**: This is a system API and cannot be called by third-party applications.|
 | displayId | number | No| Display ID. The default value is **0**, indicating the current display.|
 
 **Example**

en/application-dev/reference/apis/js-apis-app-ability-uiAbility.md

@@ -339,6 +339,51 @@ class MyUIAbility extends UIAbility {
 }
   ```
 
+## UIAbility.onPrepareToTerminate<sup>10+</sup>
+
+onPrepareToTerminate(): boolean;
+
+Triggered when this UIAbility is about to terminate in case that the system parameter **persist.sys.prepare_terminate** is set to **true**. You can define an operation in this callback to determine whether to continue terminating the UIAbility. If a confirmation from the user is required, you can define a pre-termination operation in the callback and use it together with [terminateSelf](js-apis-inner-application-uiAbilityContext.md#uiabilitycontextterminateself), for example, displaying a dialog box to ask the user whether to terminate the UIAbility. The UIAbility termination process is canceled when **persist.sys.prepare_terminate** is set to **true**.
+
+**Required permissions**: ohos.permission.PREPARE_APP_TERMINATE
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.AbilityCore
+
+**Return value**
+
+| Type| Description|
+| -- | -- |
+| boolean | Whether to terminate the UIAbility. The value **true** means that the termination process is canceled and the UIAbility is not terminated. The value **false** means to continue terminating the UIAbility.|
+
+**Example**
+
+  ```ts
+  export default class EntryAbility extends UIAbility {
+    onPrepareToTerminate() {
+      // Define a pre-termination operation,
+      // for example, starting another UIAbility and performing asynchronous termination based on the startup result.
+      let want:Want = {
+        bundleName: "com.example.myapplication",
+        moduleName: "entry",
+        abilityName: "SecondAbility"
+      }
+      this.context.startAbilityForResult(want)
+        .then((result)=>{
+          // Obtain the startup result and terminate the current UIAbility when resultCode in the return value is 0.
+          console.log('startAbilityForResult success, resultCode is ' + result.resultCode);
+          if (result.resultCode === 0) {
+            this.context.terminateSelf();
+          }
+        }).catch((err)=>{
+          // Exception handling.
+          console.log('startAbilityForResult failed, err:' + JSON.stringify(err));
+          this.context.terminateSelf();
+        })
+
+      return true; // The pre-termination operation is defined. The value true means that the UIAbility termination process is canceled.
+    }
+  }
+  ```
 
 ## Caller
 
@@ -623,11 +668,12 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
     
   ```ts
   import UIAbility from '@ohos.app.ability.UIAbility';
+  import window from '@ohos.window';
 
   let caller;
   let dstDeviceId: string;
   export default class MainAbility extends UIAbility {
-      onWindowStageCreate(windowStage: Window.WindowStage) {
+      onWindowStageCreate(windowStage: window.WindowStage) {
           this.context.startAbilityByCall({
               bundleName: 'com.example.myservice',
               abilityName: 'MainUIAbility',
@@ -643,7 +689,7 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
               }
           }).catch((err) => {
               console.log('Caller GetCaller error, error.code: ${JSON.stringify(err.code)}, error.message: ${JSON.stringify(err.message)}');
-          });
+          })
       }
   }
   ```

en/application-dev/reference/apis/js-apis-app-ability-want.md

@@ -176,13 +176,14 @@ import Want from '@ohos.app.ability.Want';
           bundleName: 'com.example.myapplication1',
           abilityName: 'ServiceExtensionAbility',
         };
-
         context.startAbility(want, (err) => {
           console.error(`Failed to startAbility. Code: ${err.code}, message: ${err.message}`);
         });
+      ```
+    ```ts
 
         // (2) The ServiceExtensionAbility starts UIAbility2, carrying **"ability.params.backToOtherMissionStack": true** during the startup.
-        let context = ...; // ServiceExtensionContext
+        let context ; // ServiceExtensionContext
         let want = {
           bundleName: 'com.example.myapplication2',
           abilityName: 'MainAbility',

en/application-dev/reference/apis/js-apis-app-ability-wantConstant.md

@@ -25,7 +25,7 @@ Defines **Params** (specifying the action that can be performed) in the Want.
 | DLP_PARAMS_MODULE_NAME  | ohos.dlp.params.moduleName         | Action of obtaining the DLP module name.<br>**System API**: This is a system API and cannot be called by third-party applications.|
 | DLP_PARAMS_ABILITY_NAME | ohos.dlp.params.abilityName        | Action of obtaining the DLP ability name.<br>**System API**: This is a system API and cannot be called by third-party applications.|
 | DLP_PARAMS_INDEX        | ohos.dlp.params.index              | Action of obtaining the DLP index.<br>**System API**: This is a system API and cannot be called by third-party applications.|
-| ABILITY_BACK_TO_OTHER_MISSION_STACK   | ability.params.backToOtherMissionStack     | Whether to support redirection back across mission stacks.<br>**System API**: This is a system API and cannot be called by third-party applications.|
+| ABILITY_BACK_TO_OTHER_MISSION_STACK   | ability.params.backToOtherMissionStack     | Whether to support redirection back across mission stacks. |
 | ABILITY_RECOVERY_RESTART<sup>10+</sup> | ohos.ability.params.abilityRecoveryRestart | Action of recovering an ability from a fault and restarting it.|
 | CONTENT_TITLE_KEY<sup>10+</sup>       | ohos.extra.param.key.contentTitle  | Action of sharing the content title. |
 | SHARE_ABSTRACT_KEY<sup>10+</sup>      | ohos.extra.param.key.shareAbstract | Action of sharing the abstract. |

en/application-dev/reference/apis/js-apis-app-form-formHost.md

@@ -1563,7 +1563,7 @@ Unsubscribes from widget uninstall events. This API uses an asynchronous callbac
 | Name| Type   | Mandatory| Description   |
 | ------ | ------ | ---- | ------- |
 | type | string | Yes  | Event type. The value **'formUninstall'** indicates a widget uninstall event.|
-| callback | Callback&lt;string&gt; | No| Callback used to return the widget ID. If it is left unspecified, it indicates the callback for all the events that have been subscribed.<br>To cancel the subscription with a given callback, this parameter must be set to the same value as **callback** in **on('formUninstall')**. |
+| callback | Callback&lt;string&gt; | No| Callback used to return the widget ID. If it is left unspecified, it indicates the callback for all the events that have been subscribed.<br>To cancel the subscription with a given callback, this parameter must be set to the same value as **callback** in **on('formUninstall')**.|
 
 **Error codes**
 
@@ -1698,8 +1698,8 @@ Unsubscribes from widget removal events. This API uses an asynchronous callback
 | Name| Type   | Mandatory| Description   |
 | ------ | ------ | ---- | ------- |
 | type | string | Yes  | Event type. The value **'formRemove'** indicates a widget removal event.|
-| callback | Callback&lt;formInfo.RunningFormInfo&gt; | No| Callback used to return **RunningFormInfo**. By default, all the subscriptions to the specified event are canceled.<br>To cancel the subscription with a given callback, this parameter must be set to the same value as **callback** in **on('formRemove')**. |
-| bundleName | string | No| Name of the bundle that functions as the widget host.<br>To cancel the subscription for a given bundle name, this parameter must be set to the same value as **bundleName** in **on('formRemove')**.<br>By default, the subscriptions for all the widget hosts are canceled. |
+| callback | Callback&lt;formInfo.RunningFormInfo&gt; | No| Callback used to return **RunningFormInfo**. By default, all the subscriptions to the specified event are canceled.<br>To cancel the subscription with a given callback, this parameter must be set to the same value as **callback** in **on('formRemove')**.|
+| bundleName | string | No| Name of the bundle that functions as the widget host.<br>To cancel the subscription for a given bundle name, this parameter must be set to the same value as **bundleName** in **on('formRemove')**.<br>By default, the subscriptions for all the widget hosts are canceled.|
 
 **Example**
 
@@ -2148,6 +2148,8 @@ Requests data from the widget provider. This API uses an asynchronous callback t
 
 | Error Code ID| Error Message|
 | -------- | -------- |
+| 201 | Permissions denied. |
+| 401 | If the input parameter is not valid parameter. |
 | 16500050 | An IPC connection error happened. |
 | 16500060 | A service connection error happened, please try again later. |
 | 16500100 | Failed to obtain the configuration information. |
@@ -2162,9 +2164,11 @@ import formHost from '@ohos.app.form.formHost';
 
 let formId = '12400633174999288';
 try {
-  formHost.acquireFormData(formId, (error) => {
+  formHost.acquireFormData(formId, (error, data) => {
     if (error) {
       console.error(`error, code: ${error.code}, message: ${error.message}`);
+    } else {
+      console.log('formHost acquireFormData, data: ${JSON.stringify(data)}');
     }
   });
 } catch(error) {
@@ -2192,12 +2196,14 @@ Requests data from the widget provider. This API uses a promise to return the re
 
 | Type               | Description                     |
 | ------------------- | ------------------------- |
-| Promise&lt;void&gt; | Promise that returns no value.|
+| Promise<{[key: string]: Object}>| Promise used to return the API call result and the shared data.|
 
 **Error codes**
 
 | Error Code ID| Error Message|
 | -------- | -------- |
+| 201 | Permissions denied. |
+| 401 | If the input parameter is not valid parameter. |
 | 16500050 | An IPC connection error happened. |
 | 16500060 | A service connection error happened, please try again later. |
 | 16500100 | Failed to obtain the configuration information. |
@@ -2210,8 +2216,8 @@ import formHost from '@ohos.app.form.formHost';
 
 let formId = '12400633174999288';
 try {
-  formHost.acquireFormData(formId).then(() => {
-    console.log('formHost acquireFormData success');
+  formHost.acquireFormData(formId).then((data) => {
+    console.log('formHost acquireFormData success' + data);
   }).catch((error) => {
     console.error(`error, code: ${error.code}, message: ${error.message}`);
   });
@@ -2248,9 +2254,14 @@ For details about the error codes, see [Form Error Codes](../errorcodes/errorcod
 
 | Error Code ID| Error Message|
 | -------- | -------- |
+| 201 | Permissions denied. |
+| 202 | The application is not a system application. |
+| 401 | If the input parameter is not valid parameter. |
 | 16500050 | An IPC connection error happened. |
+| 16500100 | Failed to obtain the configuration information. |
 | 16501000  | An internal functional error occurred. |
 
+
 ```ts
 import formHost from '@ohos.app.form.formHost';
 
@@ -2273,7 +2284,7 @@ try {
 
 ## getRunningFormInfosByFilter<sup>10+</sup>
 
-getRunningFormInfosByFilter(formProviderFilter: formInfo.FormProviderFilter, callback: AsyncCallback&lt;Array&lt;formInfo.FormInfo&gt;&gt;): void
+getRunningFormInfosByFilter(formProviderFilter: formInfo.FormProviderFilter, callback: AsyncCallback&lt;Array&lt;formInfo.RunningFormInfo&gt;&gt;): void
 
 Obtains the information about widget hosts based on the widget provider information. This API uses an asynchronous callback to return the result.
 
@@ -2285,8 +2296,8 @@ Obtains the information about widget hosts based on the widget provider informat
 
 | Name     | Type           | Mandatory| Description                            |
 | ----------- | --------------- | ---- | -------------------------------- |
-| formProviderFilter     | formInfo.FormProviderFilter [formInfo.FormProviderFilter](js-apis-app-form-formInfo.md#formProviderFilter) | Yes  | Information about the widget provider.|
-| callback | AsyncCallback&lt;Array&lt;[formInfo.RunningFormInfo](js-apis-app-form-formInfo.md)&gt;&gt; | Yes| Callback used to return the result. If the widget host information is obtained, **error** is **undefined** and **data** is the information obtained; otherwise, **data** is an error object.|
+| formProviderFilter     | [formInfo.FormProviderFilter](js-apis-app-form-formInfo.md#formProviderFilter) | Yes  | Information about the widget provider.|
+| callback | AsyncCallback&lt;Array&lt;[formInfo.RunningFormInfo](js-apis-app-form-formInfo.md)&gt;&gt; | Yes| Callback used to return the result. If the widget host information is obtained, **error** is **undefined** and **data** is the information obtained; otherwise, **error** is an error object.|
 
 **Error codes**
 
@@ -2294,9 +2305,14 @@ For details about the error codes, see [Form Error Codes](../errorcodes/errorcod
 
 | Error Code ID| Error Message|
 | -------- | -------- |
+| 201 | Permissions denied. |
+| 202 | The application is not a system application. |
+| 401 | If the input parameter is not valid parameter. |
 | 16500050 | An IPC connection error happened. |
+| 16500100 | Failed to obtain the configuration information. |
 | 16501000  | An internal functional error occurred. |
 
+
 ```ts
 import formHost from '@ohos.app.form.formHost';
 
@@ -2321,7 +2337,8 @@ try {
 
 ## getRunningFormInfoById<sup>10+</sup>
 
-getRunningFormInfoById(formId: string): Promise&lt;Array&lt;formInfo.RunningFormInfo&gt;&gt;
+function getRunningFormInfoById(formId: string): Promise&lt;formInfo.RunningFormInfo&gt;
+
 
 Obtains the information about widget hosts based on the widget ID. This API uses a promise to return the result.
 
@@ -2339,7 +2356,7 @@ Obtains the information about widget hosts based on the widget ID. This API uses
 
 | Type               | Description                     |
 | ------------------- | ------------------------- |
-| Promise&lt;Array&lt;formInfo.RunningFormInfo[formInfo.RunningFormInfo](js-apis-app-form-formInfo.md)&gt;&gt; | Promise used to return the widget host information obtained. |
+| Promise&lt;[formInfo.RunningFormInfo](js-apis-app-form-formInfo.md)&gt; | Promise used to return the widget host information obtained.|
 
 **Error codes**
 
@@ -2347,9 +2364,14 @@ For details about the error codes, see [Form Error Codes](../errorcodes/errorcod
 
 | Error Code ID| Error Message|
 | -------- | -------- |
+| 201 | Permissions denied. |
+| 202 | The application is not a system application. |
+| 401 | If the input parameter is not valid parameter. |
 | 16500050 | An IPC connection error happened. |
+| 16500100 | Failed to obtain the configuration information. |
 | 16501000  | An internal functional error occurred. |
 
+
 ```ts
 import formHost from '@ohos.app.form.formHost';
 let formId = '12400633174999288';
@@ -2366,7 +2388,7 @@ try {
 
 ## getRunningFormInfoById<sup>10+</sup>
 
-getRunningFormInfoById(formId: string, callback: AsyncCallback&lt;Array&lt;formInfo.FormInfo&gt;&gt;): void
+getRunningFormInfoById(formId: string, callback: AsyncCallback&lt;formInfo.RunningFormInfo&gt;): void
 
 Obtains the information about widget hosts based on the widget ID. This API uses an asynchronous callback to return the result.
 
@@ -2379,7 +2401,7 @@ Obtains the information about widget hosts based on the widget ID. This API uses
 | Name     | Type           | Mandatory| Description                            |
 | ----------- | --------------- | ---- | -------------------------------- |
 | formId     | string | Yes  | Widget ID.|
-| callback | AsyncCallback&lt;Array&lt;[formInfo.RunningFormInfo](js-apis-app-form-formInfo.md)&gt;&gt; | Yes| Callback used to return the result. If the widget host information is obtained, **error** is **undefined** and **data** is the information obtained; otherwise, **data** is an error object.|
+| callback | AsyncCallback&lt;[formInfo.RunningFormInfo](js-apis-app-form-formInfo.md)&gt; | Yes| Callback used to return the result. If the widget host information is obtained, **error** is **undefined** and **data** is the information obtained; otherwise, **error** is an error object.|
 
 **Error codes**
 
@@ -2387,7 +2409,11 @@ For details about the error codes, see [Form Error Codes](../errorcodes/errorcod
 
 | Error Code ID| Error Message|
 | -------- | -------- |
+| 201 | Permissions denied. |
+| 202 | The application is not a system application. |
+| 401 | If the input parameter is not valid parameter. |
 | 16500050 | An IPC connection error happened. |
+| 16500100 | Failed to obtain the configuration information. |
 | 16501000  | An internal functional error occurred. |
 
 ```ts
@@ -2406,3 +2432,145 @@ try {
   console.error(`catch error, code: ${error.code}, message: ${error.message}`);
 }
 ```
+
+## on('notifyVisible')<sup>10+</sup>
+
+ on(type: 'notifyVisible', observerCallback: Callback&lt;Array&lt;[formInfo.RunningFormInfo](js-apis-app-form-formInfo.md)&gt;&gt;, bundleName?: string): void
+
+Subscribes to events indicating that a widget becomes visible.
+
+This event is triggered when **notifyVisibleForms** is called to make a widget visible.
+
+**Required permissions**: ohos.permission.REQUIRE_FORM
+
+**System capability**: SystemCapability.Ability.Form
+
+**Parameters**
+
+| Name    | Type                                                        | Mandatory| Description                                                        |
+| ---------- | ------------------------------------------------------------ | ---- | ------------------------------------------------------------ |
+| type       | string                                                       | Yes  | Event type. This value **'notifyVisible'** indicates a widget visibility event.     |
+| callback   | Callback &lt;Array&lt;[formInfo.RunningFormInfo](js-apis-app-form-formInfo.md)&gt;&gt; | Yes  | Callback used to return **RunningFormInfo** of the widget.           |
+| bundleName | string                                                       | No  | Name of the bundle that functions as the widget host, on which the widget visibility state changes are subscribed.|
+
+**Example**
+
+```ts
+import formHost from '@ohos.app.form.formHost';
+let bundleName = 'ohos.samples.FormApplication';
+let callback = function(data) {
+  console.log('form change visibility, data: ${JSON.stringify(data)');
+}
+
+formHost.on('notifyVisible', callback);
+formHost.on('notifyVisible', callback, bundleName);
+```
+
+## off('notifyVisible')<sup>10+</sup>
+
+ off(type: "notifyVisible", observerCallback?: Callback&lt;Array&lt;[formInfo.RunningFormInfo](js-apis-app-form-formInfo.md)&gt;&gt;, bundleName?: string): void
+
+Unsubscribes from events indicating that a widget becomes visible.
+
+**Required permissions**: ohos.permission.REQUIRE_FORM
+
+**System capability**: SystemCapability.Ability.Form
+
+**Parameters**
+
+| Name    | Type                                                        | Mandatory| Description                                                        |
+| ---------- | ------------------------------------------------------------ | ---- | ------------------------------------------------------------ |
+| type       | string                                                       | Yes  | Event type. This value **'notifyVisible'** indicates a widget visibility event.|
+| callback   | Callback &lt;Array&lt;[formInfo.RunningFormInfo](js-apis-app-form-formInfo.md)&gt;&gt; | No  | Callback registered during the subscription. By default, all the subscriptions to the specified event are canceled.<br> To cancel the subscription with a given callback, this parameter must be set to the same value as **callback** in **on('notifyVisible')**.|
+| bundleName | string                                                       | No  | Name of the bundle that functions as the widget host, on which the widget visibility state changes are subscribed.<br>To cancel the subscription for a given bundle name, this parameter must be set to the same value as **bundleName** in **on('notifyVisible')**. |
+
+**Example**
+
+```ts
+import formHost from '@ohos.app.form.formHost';
+let bundleName = 'ohos.samples.FormApplication';
+let callback = function(data) {
+  console.log('form change visibility, data: ${JSON.stringify(data)');
+}
+
+formHost.off('notifyVisible', callback);
+formHost.off('notifyVisible', callback, bundleName);
+```
+
+> **NOTE**
+>
+> - **on('notifyVisible', callback)** and **off('notifyVisible', callback)** must be used in pairs.
+> - **on('notifyVisible', callback, bundleName)** and **off('notifyVisible', callback, bundleName)** must be used in pairs.
+> - To cancel the subscription with a given callback or for a given bundle name, the **callback** or **bundleName** parameter in **off()** must be set to the same value as that in **on()**.
+
+
+
+## on('notifyInvisible')<sup>10+</sup>
+
+ on(type: 'notifyInvisible', observerCallback: Callback&lt;Array&lt;[formInfo.RunningFormInfo](js-apis-app-form-formInfo.md)&gt;>, bundleName?: string): void
+
+Subscribes to events indicating that a widget becomes invisible.
+
+This event is triggered when **notifyInvisibleForms** is called to make a widget invisible.
+
+**Required permissions**: ohos.permission.REQUIRE_FORM
+
+**System capability**: SystemCapability.Ability.Form
+
+**Parameters**
+
+| Name    | Type                                                        | Mandatory| Description                                                        |
+| ---------- | ------------------------------------------------------------ | ---- | ------------------------------------------------------------ |
+| type       | string                                                       | Yes  | Event type. This value **'notifyInvisible'** indicates a widget invisibility event.     |
+| callback   | Callback &lt;Array&lt;[formInfo.RunningFormInfo](js-apis-app-form-formInfo.md)&gt;&gt; | Yes  | Callback used to return **RunningFormInfo** of the widget.         |
+| bundleName | string                                                       | No  | Name of the bundle that functions as the widget host, on which the widget visibility state changes are subscribed.|
+
+**Example**
+
+```ts
+import formHost from '@ohos.app.form.formHost';
+let bundleName = 'ohos.samples.FormApplication';
+let callback = function(data) {
+  console.log('form change invisibility, data: ${JSON.stringify(data)');
+}
+
+formHost.on('notifyInvisible', callback);
+formHost.on('notifyInvisible', callback, bundleName);
+```
+
+## off('notifyInvisible')<sup>10+</sup>
+
+ off(type: "notifyInvisible", observerCallback?: Callback&lt;Array&lt;[formInfo.RunningFormInfo](js-apis-app-form-formInfo.md)>&gt;, bundleName?: string): void
+
+Unsubscribes from events indicating that a widget becomes invisible.
+
+**Required permissions**: ohos.permission.REQUIRE_FORM
+
+**System capability**: SystemCapability.Ability.Form
+
+**Parameters**
+
+| Name    | Type                                                        | Mandatory| Description                                                        |
+| ---------- | ------------------------------------------------------------ | ---- | ------------------------------------------------------------ |
+| type       | string                                                       | Yes  | Event type. This value **'notifyInvisible'** indicates a widget invisibility event.   |
+| callback   | Callback &lt;Array&lt;[formInfo.RunningFormInfo](js-apis-app-form-formInfo.md)&gt;&gt; | No  | Callback registered during the subscription. By default, all the subscriptions to the specified event are canceled.<br> To cancel the subscription with a given callback, this parameter must be set to the same value as **callback** in **on('notifyInvisible')**.|
+| bundleName | string                                                       | No  | Name of the bundle that functions as the widget host, on which the widget visibility state changes are subscribed.<br>To cancel the subscription for a given bundle name, this parameter must be set to the same value as **bundleName** in **on('notifyInvisible')**. |
+
+**Example**
+
+```ts
+import formHost from '@ohos.app.form.formHost';
+let bundleName = 'ohos.samples.FormApplication';
+let callback = function(data) {
+  console.log('form change invisibility, data: ${JSON.stringify(data)');
+}
+
+formHost.off('notifyInvisible', callback);
+formHost.off('notifyInvisible', callback, bundleName);
+```
+
+> **NOTE**
+>
+> - **on('notifyInvisible', callback)** and **off('notifyInvisible', callback)** must be used in pairs.
+> - **on('notifyInvisible', callback, bundleName)** and **off('notifyInvisible', callback, bundleName)** must be used in pairs.
+> - To cancel the subscription with a given callback or for a given bundle name, the **callback** or **bundleName** parameter in **off()** must be set to the same value as that in **on()**.

en/application-dev/reference/apis/js-apis-app-form-formInfo.md

@@ -18,8 +18,6 @@ Describes widget information.
 
 **System capability**: SystemCapability.Ability.Form
 
-**System API**: This is a system API and cannot be called by third-party applications.
-
 | Name       | Type                | Readable   | Writable   | Description                                                        |
 | ----------- | -------- | -------- | -------------------- | ------------------------------------------------------------ |
 | bundleName  | string               | Yes   | No    | Name of the bundle to which the widget belongs.                  |
@@ -27,6 +25,7 @@ Describes widget information.
 | abilityName | string               | Yes   | No    | Name of the ability to which the widget belongs.                      |
 | name        | string               | Yes   | No    | Widget name.                                |
 | description | string               | Yes   | No    | Description of the widget.  |
+| descriptionId      | number               | Yes   | No    | ID of the widget description.              |
 | type        | [FormType](#formtype)             | Yes   | No    | Type of the widget. Currently, only JS widgets are supported.|
 | jsComponentName      | string               | Yes   | No    | Name of the component used in the JS widget.              |
 | colorMode  | [ColorMode](#colormode) | Yes   | No    | Color mode of the widget.                                      |
@@ -102,7 +101,7 @@ Enumerates the widget parameters.
 | HEIGHT_KEY         | 'ohos.extra.param.key.form_height'   | Widget height.  |
 | TEMPORARY_KEY          | 'ohos.extra.param.key.form_temporary'   | Temporary widget.  |
 | ABILITY_NAME_KEY   | 'ohos.extra.param.key.ability_name'   | Ability name. |
-| DEVICE_ID_KEY    | 'ohos.extra.param.key.device_id' <br>**System API**: This is a system API and cannot be called by third-party applications. | Device ID.  |
+| DEVICE_ID_KEY    | 'ohos.extra.param.key.device_id'   | Device ID.<br>**System API**: This is a system API and cannot be called by third-party applications. |
 | BUNDLE_NAME_KEY    | 'ohos.extra.param.key.bundle_name'   | Key that specifies the target bundle name.|
 | LAUNCH_REASON_KEY<sup>10+</sup>    | 'ohos.extra.param.key.form_launch_reason'   | Reason for creating the widget.  |
 | PARAM_FORM_CUSTOMIZE_KEY<sup>10+</sup>    | 'ohos.extra.param.key.form_customize'   | Custom data.  |
@@ -128,9 +127,9 @@ Defines the widget information filter. Only the widget information that meets th
 
 **System capability**: SystemCapability.Ability.Form
 
-| Name       | Type  | Description        |
-| ----------- | ---- | ------------ |
-| moduleName    | string    | Optional. Only the information about the widget whose **moduleName** is the same as the provided value is returned.<br>If this parameter is not set, **moduleName** is not used for filtering.  |
+| Name       | Type  | Mandatory        |Description        |
+| ----------- | ---- | ------------ |------------ |
+| moduleName    | string    |No   | Optional. Only the information about the widget whose **moduleName** is the same as the provided value is returned.<br>If this parameter is not set, **moduleName** is not used for filtering.  |
 
 ## VisibilityType
 
@@ -140,7 +139,7 @@ Enumerates the visibility types of the widget.
 
 | Name       |  Value  | Description        |
 | ----------- | ---- | ------------ |
-| UNKNOWN | 0   | The visibility type of the widget is unknown.|
+| UNKNOWN<sup>10+</sup> | 0   | The visibility type of the widget is unknown.|
 | FORM_VISIBLE | 1   | The widget is visible.|
 | FORM_INVISIBLE   | 2   | The widget is invisible.|
 
@@ -150,6 +149,8 @@ Defines the information about the widget host.
 
 **System capability**: SystemCapability.Ability.Form
 
+**System API**: This is a system API and cannot be called by third-party applications.
+
 | Name       | Type                | Readable   | Writable   | Description                                                        |
 | ----------- | -------- | -------- | -------------------- | ------------------------------------------------------------ |
 | formId  | string               | Yes   | No    | Widget ID.                  |

en/application-dev/reference/apis/js-apis-app-form-formProvider.md

@@ -539,7 +539,7 @@ Checks whether a widget can be published to the widget host. This API uses an as
 
 | Error Code ID| Error Message|
 | -------- | -------- |
-| 202 | The application is not a system application. |
+| 202 | If the application is not a system application. |
 | 401 | If the input parameter is not valid parameter. |
 | 16500050 | An IPC connection error happened. |
 | 16501000 | An internal functional error occurred. |
@@ -602,7 +602,7 @@ Checks whether a widget can be published to the widget host. This API uses a pro
 
 | Error Code ID| Error Message|
 | -------- | -------- |
-| 202 | The application is not a system application. |
+| 202 | If the application is not a system application. |
 | 16500050 | An IPC connection error happened. |
 | 16501000 | An internal functional error occurred. |
 

en/application-dev/reference/apis/js-apis-inner-application-continueCallback.md

@@ -14,11 +14,13 @@ Called when the mission continuation is complete.
 
 **System capability**: SystemCapability.Ability.AbilityRuntime.Mission
 
+**System API**: This is a system API and cannot be called by third-party applications.
+
 **Parameters**
 
   | Name| Type| Mandatory| Description|
   | -------- | -------- | -------- | -------- |
-  | result |  number | No| Mission continuation result.|
+  | result |  number | Yes| Mission continuation result.|
 
 **Example**
 

en/application-dev/reference/apis/js-apis-inner-application-formExtensionContext.md

@@ -23,7 +23,7 @@ Before using the **ServiceExtensionContext** module, you must first obtain a **F
 import FormExtensionAbility from '@ohos.app.form.FormExtensionAbility';
 import formBindingData from '@ohos.app.form.formBindingData';
 
-class MyFormExtensionAbility extends FormExtensionAbility {
+export default class MyFormExtensionAbility extends FormExtensionAbility {
   onAddForm(want) {
     let formContext = this.context; // Obtain a FormExtensionContext instance.
     // ...

en/application-dev/reference/apis/js-apis-inner-application-serviceExtensionContext.md

@@ -1617,8 +1617,8 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
   let want = {
       bundleName: 'com.acts.actscalleeabilityrely',
       moduleName: 'entry',
-      abilityName: 'EntryAbility'
-      deviceId: ''
+      abilityName: 'EntryAbility',
+      deviceId: '',
       parameters: {
         // If the value of 'ohos.aafwk.param.callAbilityToForeground' is true, the ability is started in the foreground. If the value is false or not set, the ability is started in the background.
         'ohos.aafwk.param.callAbilityToForeground': true

en/application-dev/reference/apis/js-apis-inner-application-uiAbilityContext.md

@@ -1228,7 +1228,7 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
         // Process service logic errors.
         console.error(`terminateSelf failed, code is ${err.code}, message is ${err.message}`);
       });
-  } catch (error) {
+  } catch (err) {
     // Capture the synchronization parameter error.
     console.error(`terminateSelf failed, code is ${err.code}, message is ${err.message}`);
   }
@@ -2577,8 +2577,8 @@ For details about the error codes, see [Ability Error Codes](../errorcodes/error
   let want = {
       bundleName: 'com.acts.actscalleeabilityrely',
       moduleName: 'entry',
-      abilityName: 'EntryAbility'
-      deviceId: ''
+      abilityName: 'EntryAbility',
+      deviceId: '',
       parameters: {
         // If the value of 'ohos.aafwk.param.callAbilityToForeground' is true, the ability is started in the foreground. If the value is false or not set, the ability is started in the background.
         'ohos.aafwk.param.callAbilityToForeground': true

en/application-dev/reference/apis/js-apis-wantAgent.md

@@ -159,7 +159,7 @@ WantAgent.getWantAgent(wantAgentInfo).then((data) => {
 
 getWantAgent(info: WantAgentInfo, callback: AsyncCallback\<WantAgent\>): void
 
-Obtains a **WantAgent** object. This API uses an asynchronous callback to return the result. If the creation fails, a null **WantAgent** object is returned.
+Creates a **WantAgent** object. This API uses an asynchronous callback to return the result. If the creation fails, a null **WantAgent** object is returned.
 
 **System capability**: SystemCapability.Ability.AbilityRuntime.Core
 
@@ -167,7 +167,7 @@ Obtains a **WantAgent** object. This API uses an asynchronous callback to return
 
 | Name    | Type                      | Mandatory| Description                   |
 | -------- | -------------------------- | ---- | ----------------------- |
-| info     | [WantAgentInfo](js-apis-inner-wantAgent-wantAgentInfo.md)              | Yes  | Information about the **WantAgent** object to obtain.          |
+| info     | [WantAgentInfo](js-apis-inner-wantAgent-wantAgentInfo.md)              | Yes  | Information about the **WantAgent** object.          |
 | callback | AsyncCallback\<WantAgent\> | Yes  | Callback used to return the **WantAgent** object.|
 
 **Example**
@@ -218,7 +218,7 @@ WantAgent.getWantAgent(wantAgentInfo, getWantAgentCallback);
 
 getWantAgent(info: WantAgentInfo): Promise\<WantAgent\>
 
-Obtains a **WantAgent** object. This API uses a promise to return the result. If the creation fails, a null **WantAgent** object is returned.
+Creates a **WantAgent** object. This API uses a promise to return the result. If the creation fails, a null **WantAgent** object is returned.
 
 **System capability**: SystemCapability.Ability.AbilityRuntime.Core
 
@@ -226,7 +226,7 @@ Obtains a **WantAgent** object. This API uses a promise to return the result. If
 
 | Name| Type         | Mandatory| Description         |
 | ---- | ------------- | ---- | ------------- |
-| info | [WantAgentInfo](js-apis-inner-wantAgent-wantAgentInfo.md) | Yes  | Information about the **WantAgent** object to obtain.|
+| info | [WantAgentInfo](js-apis-inner-wantAgent-wantAgentInfo.md) | Yes  | Information about the **WantAgent** object.|
 
 **Return value**