分享

import UIAbility from '@ohos.app.ability.UIAbility';
interface ShareInfo {
  showShareMenu: boolean;  // 当前页面是否允许分享，面板分享开关是否打开, 不填默认为不允许。
  title?: string;  // 系统分享面板标题，默认为元服务名称。
  description?: string;  // 系统分享面板简介，默认为元服务一句话描述。
}
export default class EntryAbility extends UIAbility {
  onShare(wantParams: Record<string, Object>) {
    /* 
    * 定义分享数据
    */
    const shareInfo: ShareInfo = {
      showShareMenu: true,
      title: '分享标题',
      description: '分享简介',
    }
    wantParams['atomicservice.param.key.shareInfo'] = shareInfo;
  }
  //...
}

// 使用navigation组件一般通过如下方式更新页面。
@Entry
@Component
struct NavigationExample {
  pageInfos: NavPathStack = new NavPathStack();
  isUseInterception: boolean = false;

   @Builder
  pageMap(pageName: string, params: Record<string, string>) {
    if (pageName === NavigationSubPageName.PageOne) {
      PageOne()
    } else if (pageName === NavigationSubPageName.PageTwo) {
      PageTwo()
    } else if (pageName === NavigationSubPageName.PageThree) {
      PageThree()
    }
  }

  build() {
    Navigation(this.pageInfos) {
      Column() {
        Button('pushPath', { stateEffect: true, type: ButtonType.Capsule })
          .width('80%')
          .height(40)
          .margin(20)
          .onClick(() => {
            this.pageInfos.pushPath({ name: NavigationSubPageName.PageOne }); //将name指定的NavDestination页面信息入栈
          })
        Button('use interception', { stateEffect: true, type: ButtonType.Capsule })
          .width('80%')
          .height(40)
          .margin(20)
          .onClick(() => {
            this.isUseInterception = !this.isUseInterception;
            if (this.isUseInterception) {
              this.registerInterception();
            } else {
              this.pageInfos.setInterception(undefined);
            }
          })
      }
    }.navDestination(this.pageMap)
  }
}