告警修复

Signed-off-by: N朱天怡 <zhutianyi2@huawei.com>

zh-cn/application-dev/task-management/continuous-task.md

@@ -83,6 +83,7 @@
    ```ts
     import backgroundTaskManager from '@ohos.resourceschedule.backgroundTaskManager';
     import wantAgent, { WantAgent } from '@ohos.app.ability.wantAgent';
+    import { BusinessError } from '@ohos.base';
    ```
 
 4. 申请和取消长时任务。
@@ -188,13 +189,14 @@
     import window from '@ohos.window';
     import AbilityConstant from '@ohos.app.ability.AbilityConstant';
     import Want from '@ohos.app.ability.Want';
+    import rpc from '@ohos.rpc';
     
     const MSG_SEND_METHOD: string = 'CallSendMsg'
 
-   let mContext = null;
+    let mContext: Context;
 
     function startContinuousTask() {
-     let wantAgentInfo = {
+      let wantAgentInfo : wantAgent.WantAgentInfo = {
         // 点击通知后，将要执行的动作列表
         wants: [
           {
@@ -211,62 +213,54 @@
       };
 
       // 通过wantAgent模块的getWantAgent方法获取WantAgent对象
-     wantAgent.getWantAgent(wantAgentInfo).then((wantAgentObj) => {
-       try {
+      wantAgent.getWantAgent(wantAgentInfo).then((wantAgentObj : WantAgent) => {
         backgroundTaskManager.startBackgroundRunning(mContext,
           backgroundTaskManager.BackgroundMode.AUDIO_RECORDING, wantAgentObj).then(() => {
           console.info(`Succeeded in operationing startBackgroundRunning.`);
-         }).catch((err) => {
+        }).catch((err: BusinessError) => {
           console.error(`Failed to operation startBackgroundRunning. Code is ${err.code}, message is ${err.message}`);
         });
-       } catch (err) {
-         console.error(`Failed to operation startBackgroundRunning. Code is ${err.code}, message is ${err.message}`);
-       }
       });
     }
 
     function stopContinuousTask() {
-     try {
       backgroundTaskManager.stopBackgroundRunning(mContext).then(() => {
         console.info(`Succeeded in operationing stopBackgroundRunning.`);
-       }).catch((err) => {
+      }).catch((err: BusinessError) => {
         console.error(`Failed to operation stopBackgroundRunning. Code is ${err.code}, message is ${err.message}`);
       });
-     } catch (err) {
-       console.error(`Failed to operation stopBackgroundRunning. Code is ${err.code}, message is ${err.message}`);
-     }
     }
 
     class MyParcelable {
       num: number = 0;
       str: String = '';
 
-     constructor(num, string) {
+      constructor(num: number, string: string) {
         this.num = num;
         this.str = string;
       }
 
-     marshalling(messageSequence) {
+      marshalling(messageSequence: rpc.MessageSequence) {
         messageSequence.writeInt(this.num);
         messageSequence.writeString(this.str);
         return true;
       }
 
-     unmarshalling(messageSequence) {
+      unmarshalling(messageSequence: rpc.MessageSequence) {
         this.num = messageSequence.readInt();
         this.str = messageSequence.readString();
         return true;
       }
     }
 
-   function sendMsgCallback(data) {
-     console.info('BgTaskAbility funcCallBack is called ' + data)
-     let receivedData = new MyParcelable(0, '')
-     data.readParcelable(receivedData)
-     console.info(`receiveData[${receivedData.num}, ${receivedData.str}]`)
+    function sendMsgCallback(data: rpc.MessageSequence) {
+      console.info('BgTaskAbility funcCallBack is called ' + data);
+      let receivedData = new MyParcelable(0, '');
+      data.readParcelable(receivedData);
+      console.info(`receiveData[${receivedData.num}, ${receivedData.str}]`);
       // 可以根据Caller端发送的序列化数据的str值，执行不同的方法。
       if (receivedData.str === 'start_bgtask') {
-       startContinuousTask()
+        startContinuousTask();
       } else if (receivedData.str === 'stop_bgtask') {
         stopContinuousTask();
       }
@@ -274,42 +268,44 @@
     }
 
     export default class BgTaskAbility extends UIAbility {
-     onCreate(want, launchParam) {
-       console.info("[Demo] BgTaskAbility onCreate")
+      onCreate(want: Want, launchParam: AbilityConstant.LaunchParam) {
+        console.info("[Demo] BgTaskAbility onCreate");
         this.callee.on('test', sendMsgCallback);
 
         try {
           this.callee.on(MSG_SEND_METHOD, sendMsgCallback)
         } catch (error) {
-         console.error(`${MSG_SEND_METHOD} register failed with error ${JSON.stringify(error)}`)
+          console.error(`${MSG_SEND_METHOD} register failed with error ${JSON.stringify(error)}`);
         }
         mContext = this.context;
       }
 
       onDestroy() {
-       console.info('[Demo] BgTaskAbility onDestroy')
+        console.info('[Demo] BgTaskAbility onDestroy');
       }
 
-     onWindowStageCreate(windowStage) {
-       console.info('[Demo] BgTaskAbility onWindowStageCreate')
+      onWindowStageCreate(windowStage: window.WindowStage) {
+        console.info('[Demo] BgTaskAbility onWindowStageCreate');
 
-       windowStage.loadContent("pages/index").then((data) => {
-         console.info(`load content succeed with data ${JSON.stringify(data)}`)
-       }).catch((error) => {
-         console.error(`load content failed with error ${JSON.stringify(error)}`)
-       })
+        windowStage.loadContent('pages/Index', (error, data) => {
+          if (error.code) {
+            console.error(`load content failed with error ${JSON.stringify(error)}`);
+            return;
+          }
+          console.info(`load content succeed with data ${JSON.stringify(data)}`);
+        });
       }
 
       onWindowStageDestroy() {
-       console.info('[Demo] BgTaskAbility onWindowStageDestroy')
+        console.info('[Demo] BgTaskAbility onWindowStageDestroy');
       }
 
       onForeground() {
-       console.info('[Demo] BgTaskAbility onForeground')
+        console.info('[Demo] BgTaskAbility onForeground');
       }
 
       onBackground() {
-       console.info('[Demo] BgTaskAbility onBackground')
+        console.info('[Demo] BgTaskAbility onBackground');
       }
     };
    ```
@@ -352,15 +348,16 @@
    ```js
     import backgroundTaskManager from '@ohos.resourceschedule.backgroundTaskManager';
     import featureAbility from '@ohos.ability.featureAbility';
-   import wantAgent from '@ohos.app.ability.wantAgent';
+    import wantAgent, { WantAgent } from '@ohos.app.ability.wantAgent';
     import rpc from "@ohos.rpc";
+    import { BusinessError } from '@ohos.base';
    ```
 
 4. 申请和取消长时任务。在 ServiceAbility 中，调用 startBackgroundRunning() 接口和 startBackgroundRunning() 接口实现长时任务的申请和取消。
    
    ```js
     function startContinuousTask() {
-     let wantAgentInfo = {
+      let wantAgentInfo: wantAgent.WantAgentInfo = {
         // 点击通知后，将要执行的动作列表
         wants: [
           {
@@ -377,30 +374,22 @@
       };
 
       // 通过wantAgent模块的getWantAgent方法获取WantAgent对象
-     wantAgent.getWantAgent(wantAgentInfo).then((wantAgentObj) => {
-       try {
+      wantAgent.getWantAgent(wantAgentInfo).then((wantAgentObj: WantAgent) => {
         backgroundTaskManager.startBackgroundRunning(featureAbility.getContext(),
           backgroundTaskManager.BackgroundMode.AUDIO_RECORDING, wantAgentObj).then(() => {
           console.info(`Succeeded in operationing startBackgroundRunning.`);
-         }).catch((err) => {
+        }).catch((err: BusinessError) => {
           console.error(`Failed to operation startBackgroundRunning. Code is ${err.code}, message is ${err.message}`);
         });
-       } catch (error) {
-         console.error(`Failed to operation startBackgroundRunning. Code is ${err.code}, message is ${err.message}`);
-       }
       });
     }
 
     function stopContinuousTask() {
-     try {
       backgroundTaskManager.stopBackgroundRunning(featureAbility.getContext()).then(() => {
         console.info(`Succeeded in operationing stopBackgroundRunning.`);
-       }).catch((err) => {
+      }).catch((err: BusinessError) => {
         console.error(`Failed to operation stopBackgroundRunning. Code is ${err.code}, message is ${err.message}`);
       });
-     } catch (error) {
-       console.error(`Failed to operation stopBackgroundRunning. Code is ${err.code}, message is ${err.message}`);
-     }
     }
 
     async function processAsyncJobs() {
@@ -410,7 +399,7 @@
       stopContinuousTask();
     }
 
-   let mMyStub;
+    let mMyStub: MyStub;
 
     class MyStub extends rpc.RemoteObject {
       constructor(des) {