HarmonyOS 自定义CustomDialogController弹窗和NavDestination 跳转页面显示问题

当前的规格是弹窗的层级和页面是相互独立的，弹窗始终位于页面之上，api12后路由跳转时弹窗不会关闭可参考以下几种方法实现效果：

1、自定义弹框。

//使用stack可以实现假的dialog覆盖原页面上面
@Entry
@Component
struct Index {
  @State textValue: string = 'Hello World'
  // 显隐控制设置为不占用
  @State visible: Visibility = Visibility.None

  build() {
    Stack() {
      Row() {
        // 初始页面
        Column() {
          Text('Hello World')
            .fontSize(50)
            .fontWeight(FontWeight.Bold)
          // 触发dialog的地方
          Button('click')
            .onClick(() => {
              //用于检测点击事件是否透传到原来的页面，我测了一下是没有透传的，符合dialog规范
              console.log("hit me!")
              if (this.visible == Visibility.Visible) {
                this.visible = Visibility.None
              } else {
                this.visible = Visibility.Visible
              }
            })
            .backgroundColor(0x777474)
            .fontColor(0x000000)
        }
        .width('100%')
      }
      .height('100%')
      .backgroundColor(0x885555)

      //这里开始是构造弹窗效果主要需要修改的地方，首先是加了一个半透明灰色的蒙层效果
      Text('')
        .onClick(() => {
          if (this.visible == Visibility.Visible) {
            this.visible = Visibility.None
          } else {
            this.visible = Visibility.Visible
          }
        })
        .width('100%')
        .height('100%')// 透明度可以自己调节一下
        .opacity(0.16)
        .backgroundColor(0x000000)
        .visibility(this.visible)

      Column() {
        // 这个可以调节对话框效果，栅格布局，xs，sm，md，lg分别为四种规格
        // 下面的breakpoints是用来区别当前属于哪个类型的断点
        // gridRow里的栅格数量为总数，gridCol里的就是偏移和假Dialog所占据的栅格数
        GridRow({
          columns: { xs: 1, sm: 4, md: 8, lg: 12 },
          breakpoints: {
            value: ["400vp", "600vp", "800vp"],
            reference: BreakpointsReference.WindowSize
          },
        }) {
          GridCol({
            span: { xs: 1, sm: 2, md: 4, lg: 8 },
            offset: { xs: 0, sm: 1, md: 2, lg: 2 }
          }) {

            // 这里放的就是原Dialog里的column里的东西，稍微改改应该就可以用了
            Column() {
              Text('Change text').fontSize(20).margin({ top: 10, bottom: 10 })
              TextInput({ placeholder: '', text: this.textValue }).height(60).width('90%')
                .onChange((value: string) => {
                  this.textValue = value
                })
              Text('Whether to change a text?').fontSize(16).margin({ bottom: 10 })
              Flex({ justifyContent: FlexAlign.SpaceAround }) {
                Button('cancel')
                  .onClick(() => {
                    if (this.visible == Visibility.Visible) {
                      this.visible = Visibility.None
                    } else {
                      this.visible = Visibility.Visible
                    }

                  }).backgroundColor(0xffffff).fontColor(Color.Black)
                Button('jump')
                  .onClick(() => {
                    //跳转下一页面
                  }).backgroundColor(0xffffff).fontColor(Color.Red)
              }.margin({ bottom: 10 })
            }
            .backgroundColor(0xffffff)
            .visibility(this.visible)
            .clip(true)
            .borderRadius(20)
          }
        }
      }.width('95%') //设置弹窗宽度
    }
  }
}

//使用NavDestination的Dialog模式实现自定义弹窗 
@Component
export struct PrivacyDialog {
  @Consume('pageInfo') pageStack: NavPathStack;
  @State isAgree: string = "Not Agree";

  build() {
    NavDestination() {
      Stack({ alignContent: Alignment.Center }) {
        Column() {
        }.width("100%").height("100%").backgroundColor('rgba(0,0,0,0.5)')

        Column() {
          Text("注册应用账号").fontSize(30).height('20%')
          Text("请仔细阅读一下协议并同意，将全力保护您的个人信息安全，可以使用账号登录APP。").height('40%')
          Divider()
          Row() {
            Text("《应用隐私政策》").onClick(ent => {
              let pathInfo: NavPathInfo = new NavPathInfo('PrivacyItem', null, (popInfo: PopInfo) => {
                this.isAgree = popInfo.result.toString();
              })
              this.pageStack.pushDestination(pathInfo, true)
            })
            Text(this.isAgree)
          }.height('20%')

          Divider()
          Row() {
            Button("不同意").onClick(ent => {
              this.pageStack.pop("Not Agree", true)
            }).width('30%')
            Button("同意").onClick(ent => {
              this.pageStack.pop("Agree", true)
            }).width('30%')
          }.height('20%')
        }.backgroundColor(Color.White).height('50%').width('80%')
      }
    }.hideTitleBar(true).mode(NavDestinationMode.DIALOG)
  }
}
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2、跳转的时候关闭弹窗，在页面回调或者onWillShow中重新弹出弹框。

// PageOne.ets
import { BusinessError } from '@kit.BasicServicesKit';
import { promptAction } from '@kit.ArkUI';

class TmpClass {
  count: number = 10
}

@Builder
export function PageOneBuilder(name: string, param: Object) {
  PageOne()
}

@Component
export struct PageOne {
  pageInfo: NavPathStack = new NavPathStack();
  @State message: string = 'Hello World'
  private customDialogComponentId: number = 0
  private configAgree: boolean = false //协议是否查看或者签署

  @Builder
  customDialogComponent(configAgree: boolean) {
    Column() {
      if (!configAgree) {
        Text('弹窗').fontSize(30)
        Row({ space: 50 }) {
          Button("确认").onClick(() => {
            promptAction.closeCustomDialog(this.customDialogComponentId)
            this.pushNextPage()
          })
          Button("取消").onClick(() => {
            promptAction.closeCustomDialog(this.customDialogComponentId)
          })
        }
      } else {
        Text('已查看或者签署完')
      }
    }.height(200).padding(5).justifyContent(FlexAlign.SpaceBetween)
  }

  openDialog(configAgree: boolean) {
    promptAction.openCustomDialog({
      builder: () => {
        this.customDialogComponent(configAgree)
      }
    }).then((dialogId: number) => {
      this.customDialogComponentId = dialogId
    })
  }

  pushNextPage() {
    let tmp = new TmpClass()
    this.pageInfo.pushDestinationByName('pageTwo', tmp, (popInfo) => {
      console.log('返回参数：popInfo', JSON.stringify(popInfo)) //根据回调判断是否查看签署协议
      if (true) {
        this.configAgree = true
        this.openDialog(this.configAgree)
      }
    }).catch((error: BusinessError) => {
      console.error(`[pushDestinationByName]failed, error code = ${error.code}, error.message = ${error.message}.`);
    }).then(() => {
      console.error('[pushDestinationByName]success.');
    });
  }

  build() {
    NavDestination() {
      Column() {

        Button('隐私协议')
          .width('80%')
          .height(40)
          .margin(20)
          .onClick(() => {
            this.openDialog(this.configAgree)
          })

      }.width('100%').height('100%')
    }.title('pageOne')
    .onBackPressed(() => {
      this.pageInfo.pop({ number: 1 }) // 弹出路由栈栈顶元素。
      return true
    }).onReady((context: NavDestinationContext) => {
      this.pageInfo = context.pathStack;
    })
  }
}
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