HarmonyOS 针对tabBar的切换事件埋点监听

可以尝试将tab和视图分开构造布局，在自定义tabBar上绑定id和customPoperty，参见以下demo：

import { DataResource } from '../common/DataResource';

@Entry
@Component
struct Index {
  private tabsController: TabsController = new TabsController()
  @State currentIndex: number = 0;

  onPageShow(): void {
    const uiContext: UIContext = this.getUIContext();
    console.log('text-1', JSON.stringify(uiContext.getFrameNodeById('text-1')?.getCustomProperty('text-1')));
  }

  @Builder
  TabBarBuilder(title: string, targetIndex: number) {
    Text(title)
      .fontWeight(targetIndex === this.currentIndex ? FontWeight.Bold : FontWeight.Normal)
      .padding(10)
      .id('text-' + (targetIndex + 1))//设置id
      .customProperty('text-' + (targetIndex + 1), DataResource['Index']['text-'+(targetIndex + 1)])//设置customProperty
      .onClick(() => {
        this.tabsController.changeIndex(targetIndex)
      })
  }

  build() {
    Row() {
      Column() {
        Flex({ direction: FlexDirection.Row }) {
          this.TabBarBuilder('页签1', 0)
          this.TabBarBuilder('页签2', 1)
        }

        Tabs({ barPosition: BarPosition.End, controller: this.tabsController }) {
          TabContent() {
            Text("页签1页面")
          }

          TabContent() {
            Text("页签2页面")
          }
        }
        .barHeight(0)
        .scrollable(false)
        .onChange((index: number) => {
          this.currentIndex = index;
        })
      }
    }
  }
}
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
39.
40.
41.
42.
43.
44.
45.
46.
47.
48.
49.
50.
51.