HarmonyOS 鸿蒙Next应用内检测新版本并提示终端用户更新app的功能

应用内检测升级：终端用户启动应用时，应用市场检测到该应用有新版本会通知终端用户，可以到应用市场进行应用的下载更新。

但实际上应用程序包的更新最终都是到应用市场进行应用的下载更新，无法实现在应用内进行更新。

import { updateManager } from '@kit.StoreKit';
import { hilog } from '@kit.PerformanceAnalysisKit';
import type { common } from '@kit.AbilityKit';
import { BusinessError } from '@kit.BasicServicesKit';
import { Want } from '@ohos.app.ability.Want';
import { bundleManager } from '@kit.AbilityKit';

let context: common.UIAbilityContext = getContext() as common.UIAbilityContext;

let bundleInfo: bundleManager.BundleInfo = bundleManager.getBundleInfoForSelfSync(bundleManager.BundleFlag.GET_BUNDLE_INFO_WITH_APPLICATION);

@Entry
@Component
struct AppPage {
  @State message: string = 'Hello World';

  build() {
    RelativeContainer() {
      Text(this.message)
        .id('AppPageHelloWorld')
        .fontSize(50)
        .fontWeight(FontWeight.Bold)
        .alignRules({
          center: { anchor: '__container__', align: VerticalAlign.Center },
          middle: { anchor: '__container__', align: HorizontalAlign.Center }
        })
      Button('app').onClick(() => {
        try {
          updateManager.checkAppUpdate(context)
            .then((checkResult: updateManager.CheckUpdateResult) => {
              hilog.info(0, 'TAG', "Succeeded in checking Result updateAvailable==检查到新版本:" + checkResult.updateAvailable);
              updateManager.showUpdateDialog(context)
                .then((resultCode: updateManager.ShowUpdateResultCode) => {
                  hilog.info(0, 'TAG', "Succeeded 显示升级对话框:" + resultCode);
                  //应用内无法更新，需要用应用市场下载，拉起应用市场
                  const want: Want = {
                    // 指定appid
                    //uri: `store://appgallery.huawei.com/app/detail?id=${appId}`
                    // 打开应用商店
                    uri: `store://appgallery.huawei.com/app`
                  };
                  const context = getContext(this) as common.UIAbilityContext;
                  context.startAbility(want).then(() =>{
                    //拉起成功
                  }).catch(() =>{
                    // 拉起失败
                  });
                })
                .catch((error: BusinessError) => {
                  hilog.error(0, 'TAG', `显示升级对话框 onError.code is ${error.code}, message is ${error.message}`);
                });
            })
            .catch((error: BusinessError) => {
              hilog.error(0, 'TAG', `检查到新版本 onError.code is ${error.code}, message is ${error.message}`);
            });
        } catch (error) {
          hilog.error(0, 'TAG', `checkAppUpdate onError.code is ${error.code}, message is ${error.message}`);
        }
      })
    }
    .height('100%')
    .width('100%')
  }
}