HarmonyOS NEXT 实战之元服务：静态案例效果---手机查看电量

背景：

前几篇学习了元服务，后面几期就让我们开发简单的元服务吧，里面丰富的内容大家自己加，本期案例 仅供参考

先上本期效果图 ，里面图片自行替换

效果图1完整代码案例如下：

import { authentication } from '@kit.AccountKit';
import { BusinessError } from '@kit.BasicServicesKit';
import { hilog } from '@kit.PerformanceAnalysisKit';

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

  build() {
    Column() {
      Row() {
        Image($r('app.media.dian')).width(55)
        Text($r('app.string.EntryAbility_label'))
          .fontWeight(FontWeight.Bold)
          .layoutWeight(1)
          .fontSize(22)
          .fontColor("#222222")
          .margin({ top: 20, bottom: 20 })
        Button('发消息').fontSize(12).margin({ right: 12 })
      }.width('100%').backgroundColor(Color.White).borderRadius(10)

      Text('68%').fontSize(22).fontWeight(FontWeight.Bold)
        .fontColor("#222222")
        .margin({ top: 8 })
      Text('预计继续使用 54 小时 24 分钟').fontSize(12)
        .fontColor("#5F6062")
        .margin({ top: 8 })

      Text('服务卡')
        .fontSize(20)
        .fontColor("#222222")
        .margin({ top: 20, bottom: 20 })

      Column() {
        Row() {
          Image($r('app.media.dian')).width(35)
          Text('设备电量')
            .fontSize(18)
            .fontColor("#222222")
            .margin({ left: 10 })
        }.width('100%').margin({ left: 8, top: 20 })

        Row() {
          Stack() {
            Progress({
              value: 8800,
              total: 10000,
              type: ProgressType.Ring
            })
              .width(64)
              .color("#4EBB53")
              .style({ strokeWidth: 6 })
              .backgroundColor('#EDF3FD')

            Image($r('app.media.zuoer')).width(20)
            Text('88%').fontColor(Color.Black).fontSize(18).margin({ top: 100 })
          }.margin({ left: 16 })

          Stack() {
            Progress({
              value: 4000,
              total: 10000,
              type: ProgressType.Ring
            })
              .width(64)
              .color("#4EBB53")
              .style({ strokeWidth: 6 })
              .backgroundColor('#EDF3FD')

            Image($r('app.media.youer')).width(20)
            Text('40%').fontColor(Color.Black).fontSize(18).margin({ top: 100 })
          }.margin({ left: 16 })

          Stack() {
            Progress({
              value: 6700,
              total: 10000,
              type: ProgressType.Ring
            })
              .width(64)
              .color("#4EBB53")
              .style({ strokeWidth: 6 })
              .backgroundColor('#EDF3FD')

            Image($r('app.media.shojji')).width(25)
            Text('67%').fontColor(Color.Black).fontSize(18).margin({ top: 100 })
          }.margin({ left: 16 })

          Stack() {
            Progress({
              value: 6800,
              total: 10000,
              type: ProgressType.Ring
            })
              .width(64)
              .color("#F1F1F1")
              .style({ strokeWidth: 6 })
              .backgroundColor('#F1F1F1')


            Text('添加设备').fontColor(Color.Black).fontSize(14).margin({ top: 105 })
          }.margin({ left: 16 })

        }.width('100%')

      }.width('100%').height(200).backgroundColor(Color.White)
      .borderRadius(10)

      Row() {
        Text().backgroundColor('#4EBB53').width(40).height(40).borderRadius(20)
        Text('显示电量百分比').fontColor(Color.Black).fontSize(22).margin({ left: 5 }).layoutWeight(1)
        Toggle({ type: ToggleType.Switch, isOn: true })
      }
      .width('100%')
      .height(80)
      .margin({ top: 20 })
      .backgroundColor(Color.White)
      .borderRadius(10)
      .padding(16)

      Row() {
        Text().backgroundColor(Color.Blue).width(40).height(40).borderRadius(20)
        Text('更多电池设置').fontColor(Color.Black).fontSize(22).margin({ left: 5 }).layoutWeight(1)
        Text('>').fontColor(Color.Black).fontSize(22)
      }
      .width('100%')
      .height(80)
      .margin({ top: 20 })
      .backgroundColor(Color.White)
      .borderRadius(10)
      .padding(16)
    }
    .height('100%')
    .width('100%')
    .padding(16)
    .backgroundColor('#F2F3F5')
    .margin({ top: 60 })
    .alignItems(HorizontalAlign.Start)
  }

  aboutToAppear() {
    hilog.info(0x0000, 'testTag', '%{public}s', 'Ability onCreate');
    this.loginWithHuaweiID();
  }

  /**
   * Sample code for using HUAWEI ID to log in to atomic service.
   * According to the Atomic Service Review Guide, when a atomic service has an account system,
   * the option to log in with a HUAWEI ID must be provided.
   * The following presets the atomic service to use the HUAWEI ID silent login function.
   * To enable the atomic service to log in successfully using the HUAWEI ID, please refer
   * to the HarmonyOS HUAWEI ID Access Guide to configure the client ID and fingerprint certificate.
   */
  private loginWithHuaweiID() {
    // Create a login request and set parameters
    let loginRequest = new authentication.HuaweiIDProvider().createLoginWithHuaweiIDRequest();
    // Whether to forcibly launch the HUAWEI ID login page when the user is not logged in with the HUAWEI ID
    loginRequest.forceLogin = false;
    // Execute login request
    let controller = new authentication.AuthenticationController();
    controller.executeRequest(loginRequest).then((data) => {
      let loginWithHuaweiIDResponse = data as authentication.LoginWithHuaweiIDResponse;
      let authCode = loginWithHuaweiIDResponse.data?.authorizationCode;
      // Send authCode to the backend in exchange for unionID, session

    }).catch((error: BusinessError) => {
      hilog.error(0x0000, 'testTag', 'error: %{public}s', JSON.stringify(error));
      if (error.code == authentication.AuthenticationErrorCode.ACCOUNT_NOT_LOGGED_IN) {
        // HUAWEI ID is not logged in, it is recommended to jump to the login guide page

      }
    });
  }
}

最近文章>>>>>>>>>>>

HarmonyOS NEXT实战：元服务与应用 APP 发布应用市场的详细步骤与流程

有兴趣的同学可以点击查看源码

• gitee：https://gitee.com/jiaojiaoone/explore-harmony-next/tree/case%2Fwanandroid/
• github：https://github.com/JasonYinH/ExploreHarmonyNext.git