内存快照Snapshot Profiler功能使用指导

import router from '@ohos.router'

@Entry
@Component
struct Index {
 build() {
  Row() {
   Column() {
    Button("点击跳转").onClick(() => {
     onJumpClick();
    })
   }
   .width('100%')
  }
  .height('100%')
 }
}

// 跳转下个页面
function onJumpClick(): void {
 router.pushUrl({
  url: 'pages/second' // 目标url
 }, router.RouterMode.Standard, (err) => {
  if (err) {
   console.error(`Invoke pushUrl failed, code is ${err.code}, message is ${err.message}`);
   return;
  }
  console.info('Invoke pushUrl succeeded.');
 });
}

@Component
struct ChildPage {
 @State arr: number[] = [];

 aboutToAppear(): void {
  for (let i = 1; i <= 100; i++) {
   this.arr.push(i);
  }
 }

 build() {
  Column() {
   List({ space: 20 }) {
    ForEach(this.arr, (index: number) => {
     ListItem() {
      Text(index.toString())
       .height('4.5%')
       .fontSize(16)
       .textAlign(TextAlign.Center)
       .backgroundColor(0xFFFFFF)
     }
     .border({ width: 2, color: Color.Green })
    }, (index: number) => index.toString());
   }
   .height("95%")
   .width("95%")
   .border({ width: 3, color: Color.Red })
   .lanes({ minLength: 40, maxLength: 40 })
   .alignListItem(ListItemAlign.Start)
   .scrollBar(BarState.Off)

  }.width('100%').height('100%').padding({ top: 5 });
 }
}

@Entry
@Preview
@Component
struct SecondPage {
 @State data: Number[] = [];

 aboutToAppear(): void {
 for (let i = 1; i <= 10; i++) {
  this.data.push(i);
 }
}

 build() {
  Column({ space: 5 }) {
   Swiper() {
    ForEach(this.data, (_: number) => {
     ChildPage();
    }, (item: number) => item.toString());
   }
   .loop(false)
   .indicator(true)
   .duration(100)
   .curve(Curve.Linear)

  }.width('100%')
  .margin({ top: 5 })
 }
}