updated docs

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

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

 # Ability
 
-> **NOTE**<br>
+> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**<br/>
 > 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.
 
+
 Manages the ability lifecycle and context.
 
+
 ## Modules to Import
 
+  
 ```
 import Ability from '@ohos.application.Ability';
 ```
@@ -197,12 +200,11 @@ Called to save data during the ability migration preparation process.
 **Example**
     
   ```js
-  import AbilityConstant from "@ohos.application.AbilityConstant"
   class myAbility extends Ability {
       onContinue(wantParams) {
           console.log('onContinue');
           wantParams["myData"] = "my1234567";
-          return AbilityConstant.OnContinueResult.AGREE;
+          return true;
       }
   }
   ```
@@ -257,32 +259,6 @@ Called when the configuration of the environment where the ability is running is
   }
   ```
 
-## Ability.dump
-
-dump(params: Array\<string>): Array\<string>;
-
-Called when the client information is dumped.
-
-**System capability**: SystemCapability.Ability.AbilityRuntime.AbilityCore
-
-**Parameters**
-
-  | Name| Type| Mandatory| Description| 
-  | -------- | -------- | -------- | -------- |
-  | params | Array\<string> | Yes| Parameters in the form of a command.| 
-
-**Example**
-    
-  ```js
-  class myAbility extends Ability {
-      dump(params) {
-          console.log('dump, params:' + JSON.stringify(params));
-          return ["params"]
-      }
-  }
-  ```
-
-
 
 ## Caller
 
@@ -315,9 +291,6 @@ Sends sequenceable data to the target ability.
   ```js
   import Ability from '@ohos.application.Ability';
   class MyMessageAble{ // Custom sequenceable data structure
-      name:""
-      str:""
-      num: 1
       constructor(name, str) {
         this.name = name;
         this.str = str;
@@ -388,9 +361,6 @@ Sends sequenceable data to the target ability and obtains the sequenceable data
   ```js
   import Ability from '@ohos.application.Ability';
   class MyMessageAble{
-      name:""
-      str:""
-      num: 1
       constructor(name, str) {
         this.name = name;
         this.str = str;
@@ -539,9 +509,6 @@ Registers a caller notification callback, which is invoked when the target abili
   ```js
   import Ability from '@ohos.application.Ability';
   class MyMessageAble{
-      name:""
-      str:""
-      num: 1
       constructor(name, str) {
         this.name = name;
         this.str = str;

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

+# AbilityLifecycleCallback
+
+> **NOTE**<br>
+> 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.
+
+
+A callback class that provides APIs, such as **onAbilityCreate**, **onAbilityWindowStageCreate**, and **onAbilityWindowStageDestroy**, to listen for the lifecycle of the application context.
+
+
+## AbilityLifecycleCallback.onAbilityCreate
+
+onAbilityCreate(ability: Ability): void;
+
+Called when an ability is created.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.AbilityCore
+
+**Parameters**
+
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [Ability](js-apis-application-ability.md#Ability) | Yes| **Ability** object.| 
+
+
+## AbilityLifecycleCallback.onAbilityWindowStageCreate
+
+onAbilityWindowStageCreate(ability: Ability): void;
+
+Called when the window stage of an ability is created.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.AbilityCore
+
+**Parameters**
+
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [Ability](js-apis-application-ability.md#Ability) | Yes| **Ability** object.|  
+
+
+## AbilityLifecycleCallback.onAbilityWindowStageDestroy
+
+onAbilityWindowStageDestroy(ability: Ability): void;
+
+Called when the window stage of an ability is destroyed.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.AbilityCore
+
+**Parameters**
+
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [Ability](js-apis-application-ability.md#Ability) | Yes| **Ability** object.|  
+
+
+## AbilityLifecycleCallback.onAbilityDestroy
+
+onAbilityDestroy(ability: Ability): void;
+
+Called when an ability is destroyed.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.AbilityCore
+
+**Parameters**
+
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [Ability](js-apis-application-ability.md#Ability) | Yes| **Ability** object.| 
+
+
+## AbilityLifecycleCallback.onAbilityForeground
+
+onAbilityForeground(ability: Ability): void;
+
+Called when an ability is switched from the background to the foreground.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.AbilityCore
+
+**Parameters**
+
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [Ability](js-apis-application-ability.md#Ability) | Yes| **Ability** object.| 
+
+
+## AbilityLifecycleCallback.onAbilityBackground
+
+onAbilityBackground(ability: Ability): void;
+
+Called when an ability is switched from the foreground to the background.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.AbilityCore
+
+**Parameters**
+
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [Ability](js-apis-application-ability.md#Ability) | Yes| **Ability** object.| 
+
+
+## AbilityLifecycleCallback.onAbilityContinue
+
+onAbilityContinue(ability: Ability): void;
+
+Called when an ability is continued on another device.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.AbilityCore
+
+**Parameters**
+
+  | Name| Type| Mandatory| Description| 
+  | -------- | -------- | -------- | -------- |
+  | ability | [Ability](js-apis-application-ability.md#Ability) | Yes| **Ability** object.| 
+
+**Example**
+    
+
+  ```js
+  import AbilityStage from "@ohos.application.AbilityStage";
+  
+  export default class MyAbilityStage extends AbilityStage {
+      onCreate() {
+          console.log("MyAbilityStage onCreate")
+          let AbilityLifecycleCallback  =  {
+              onAbilityCreate(ability){
+                  console.log("AbilityLifecycleCallback onAbilityCreate ability:" + JSON.stringify(ability));        
+              },
+              onAbilityWindowStageCreate(ability){
+                  console.log("AbilityLifecycleCallback onAbilityWindowStageCreate ability:" + JSON.stringify(ability));           
+              },
+              onAbilityWindowStageDestroy(ability){
+                  console.log("AbilityLifecycleCallback onAbilityWindowStageDestroy ability:" + JSON.stringify(ability));
+              },
+              onAbilityDestroy(ability){
+                  console.log("AbilityLifecycleCallback onAbilityDestroy ability:" + JSON.stringify(ability));             
+              },
+              onAbilityForeground(ability){
+                  console.log("AbilityLifecycleCallback onAbilityForeground ability:" + JSON.stringify(ability));             
+              },
+              onAbilityBackground(ability){
+                  console.log("AbilityLifecycleCallback onAbilityBackground ability:" + JSON.stringify(ability));              
+              },
+              onAbilityContinue(ability){
+                  console.log("AbilityLifecycleCallback onAbilityContinue ability:" + JSON.stringify(ability));
+              }
+          }
+          // 1. Obtain applicationContext through the context attribute.
+          let applicationContext = this.context.getApplicationContext();
+          // 2. Use applicationContext to register a listener for the ability lifecycle in the application.
+          let lifecycleid = applicationContext.registerAbilityLifecycleCallback(AbilityLifecycleCallback);
+          console.log("registerAbilityLifecycleCallback number: " + JSON.stringify(lifecycleid));       
+      }
+  }
+  ```

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

+# ApplicationContext
+
+> **NOTE**<br>
+> 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.
+
+
+Provides application-level context and APIs for registering and deregistering the ability lifecycle listener in an application.
+
+
+## How to Use
+
+Before calling any APIs in **ApplicationContext**, obtain an **ApplicationContext** instance through the **context** instance.
+
+```js
+let applicationContext = this.context.getApplicationContext();
+```
+
+
+## ApplicationContext.registerAbilityLifecycleCallback
+
+registerAbilityLifecycleCallback(callback: AbilityLifecycleCallback): **number**;
+
+Registers a listener to monitor the ability lifecycle of the application.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+**Parameters**
+
+| Name                  | Type    | Mandatory| Description                          |
+| ------------------------ | -------- | ---- | ------------------------------ |
+| [AbilityLifecycleCallback](js-apis-application-abilityLifecycleCallback.md) | callback | Yes  | Callback used to return the ID of the registered listener.|
+
+**Return value**
+
+| Type  | Description                          |
+| ------ | ------------------------------ |
+| number | ID of the registered listener. The ID is incremented by 1 each time the listener is registered. When the ID exceeds 2^63-1, **-1** is returned.|
+
+**Example**
+
+  ```js
+  let applicationContext = this.context.getApplicationContext();
+  console.log("stage applicationContext: " + JSON.stringify(applicationContext));
+  let lifecycleid = applicationContext.registerAbilityLifecycleCallback(AbilityLifecycleCallback);
+  console.log("registerAbilityLifecycleCallback number: " + JSON.stringify(lifecycleid));
+  ```
+
+## ApplicationContext.unregisterAbilityLifecycleCallback
+
+unregisterAbilityLifecycleCallback(callbackId: **number**,  callback: AsyncCallback<**void**>): **void**;
+
+Deregisters the listener that monitors the ability lifecycle of the application.
+
+**System capability**: SystemCapability.Ability.AbilityRuntime.Core
+
+**Parameters**
+
+| Name       | Type    | Mandatory| Description                      |
+| ------------- | -------- | ---- | -------------------------- |
+| callbackId    | number   | Yes  | ID of the listener to deregister.|
+| AsyncCallback | callback | Yes  | Callback used to return the result.                  |
+
+**Example**
+
+  ```js
+  let applicationContext = this.context.getApplicationContext();
+  console.log("stage applicationContext: " + JSON.stringify(applicationContext));
+  applicationContext.unregisterAbilityLifecycleCallback(lifecycleid, (error, data) => {
+      console.log("unregisterAbilityLifecycleCallback success, err: " + JSON.stringify(error));
+  });
+  ```