HarmonyOS 鸿蒙Next 是否存在组件显示后的自动回调接口以获取组件布局尺寸 例如ondidbuild()

HarmonyOS 鸿蒙Next 是否存在组件显示后的自动回调接口以获取组件布局尺寸 例如ondidbuild()

场景：需要在组件创建，完成布局后，使用this.getUIContext().getFrameNodeById(this.id001).getMeasuredSize()获取组件的实际尺寸。

问题：经过测试，在ondidbuild中获取对应节点，会得到null值，节点不存在。

需求：想知道是否存在组件完成布局后的生命周期回调。

其他：经过测试navdestination的onshown()回调是在布局完成后回调的。

示例代码：

import { hilog } from '@kit.PerformanceAnalysisKit';
import { FrameNode } from '@kit.ArkUI';

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

  build() {
    Column(){
      CSondidbuild2()
    }
    .height('100%')
    .width('100%')

  }
}

@Builder
export function cs(){
  CSondidbuild2()
}

@Component
struct CSondidbuild2{
  private daohangqi:NavPathStack = new NavPathStack();
  readonly id001:string = 'cs001';
  private jiedian:FrameNode|null = this.getUIContext().getFrameNodeById(this.id001);
  private chicun:Size = {
    width:0,
    height:0
  }

  dayinChicun(dj:string){
    this.jiedian = this.getUIContext().getFrameNodeById(this.id001);
    if (this.jiedian) {
      this.chicun = this.jiedian.getMeasuredSize();
      hilog.info(1,dj,`PX-宽：${this.chicun.width}，高：${this.chicun.height}`);
      hilog.info(1,dj,`VP-宽：${this.getUIContext().px2vp(this.chicun.width)}，高：${this.getUIContext().px2vp(this.chicun.height)}`);
    }else {
      hilog.info(1,dj,`目标节点不存在`);
    }
  }

  onDidBuild(): void {
    hilog.info(1,'cs001组件生命周期onDidBuild','***************');
    this.dayinChicun('cs001组件生命周期onDidBuild');
  }

  build() {
    NavDestination(){
      Column(){
        Button('测试')
          .height(50)
          .width('50%')
          .onClick(() => {
            hilog.info(1,'测试按钮','***************');
            this.dayinChicun('测试按钮');
          })

        cszujian001()
          .height(50)
      }
      .height('100%')
      .width('100%')
      .id(this.id001)
    }
    .title('Eventhub功能测试页')
    .height('100%')
    .width('100%')
    .onShown(() => {
      hilog.info(1,'cs001NAV子页面onshown','***************');
      this.dayinChicun('cs001NAV子页面onshown');
    })
    .onReady((e:NavDestinationContext) => {
      if (e?.pathStack) {
        this.daohangqi = e.pathStack;
      }
    })
  }
}

@Component
struct cszujian001{
  readonly id001:string = 'cs002';
  private jiedian:FrameNode|null = this.getUIContext().getFrameNodeById(this.id001);
  private chicun:Size = {
    width:0,
    height:0
  }

  dayinChicun(dj:string){
    this.jiedian = this.getUIContext().getFrameNodeById(this.id001);
    if (this.jiedian) {
      this.chicun = this.jiedian.getMeasuredSize();
      hilog.info(1,dj,`PX-宽：${this.chicun.width}，高：${this.chicun.height}`);
      hilog.info(1,dj,`VP-宽：${this.getUIContext().px2vp(this.chicun.width)}，高：${this.getUIContext().px2vp(this.chicun.height)}`);
    }else {
      hilog.info(1,dj,`目标节点不存在`);
    }
  }

  onDidBuild(): void {
    hilog.info(1,'cs002组件生命周期onDidBuild','***************');
    this.dayinChicun('cs002组件生命周期onDidBuild');
  }

  build() {
    Column(){
      Button('测试子组件')
        .height(50)
        .width('45%')
        .onClick(() => {
          hilog.info(1,'测试子组件','***************');
          this.dayinChicun('测试子组件');
        })
    }
    .height('100%')
    .width('100%')
  }
}