HarmonyOS Swiper组件自动轮播时,内部圆角图片在滚动时变成了直角

Swiper组件自动轮播时内部圆角图片在滚动时变成了直角,同时设置intervalinterval(3000)、duration(2500)、autoPlay(true)时,播放动画时间没有变长但是间隔变短了。

HarmonyOS
2024-12-25 12:18:47
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FengTianYa

参考以下示例,在外面的swiper加了圆角半径 还有在lazyforeach中的text中也加上了圆角半径:

class MyDataSource implements IDataSource {
  private list: number[] = []

  constructor(list: number[]) {
    this.list = list
  }

  totalCount(): number {
    return this.list.length
  }

  getData(index: number): number {
    return this.list[index]
  }

  registerDataChangeListener(listener: DataChangeListener): void {
  }

  unregisterDataChangeListener() {
  }
}

@Entry
@Component
struct SwiperExample {
  private swiperController: SwiperController = new SwiperController()
  private data: MyDataSource = new MyDataSource([])

  aboutToAppear(): void {
    let list: number[] = []
    for (let i = 1; i <= 10; i++) {
      list.push(i);
    }
    this.data = new MyDataSource(list)
  }

  build() {
    Column({ space: 5 }) {
      Swiper(this.swiperController) {
        LazyForEach(this.data, (item: string, index: number) => {
          Text(item.toString())
            .width('90%')
            .height(160)
            .backgroundColor(index % 2 == 0 ? '#4FC5E0' : '#A97CF4')
            .borderRadius(12)
            .textAlign(TextAlign.Center)
            .fontSize(30)
        }, (item: string) => item)
      }
      .borderRadius(12)
      .cachedCount(2)
      .index(1)
      .autoPlay(true)
      .interval(1000)
      .loop(true)
      .duration(1000)
      .itemSpace(0)
      .indicator( // 设置圆点导航点样式
        new DotIndicator()
          .itemWidth(15)
          .itemHeight(15)
          .selectedItemWidth(15)
          .selectedItemHeight(15)
          .color(Color.Gray)
          .selectedColor(Color.Blue))
      .displayArrow({
        // 设置导航点箭头样式
        showBackground: true,
        isSidebarMiddle: true,
        backgroundSize: 24,
        backgroundColor: Color.White,
        arrowSize: 18,
        arrowColor: Color.Blue
      }, false)
      .curve(Curve.Linear)
      .onChange((index: number) => {
        console.info(index.toString())
      })
      .onGestureSwipe((index: number, extraInfo: SwiperAnimationEvent) => {
        console.info("index: " + index)
        console.info("current offset: " + extraInfo.currentOffset)
      })
      .onAnimationStart((index: number, targetIndex: number, extraInfo: SwiperAnimationEvent) => {
        console.info("index: " + index)
        console.info("targetIndex: " + targetIndex)
        console.info("current offset: " + extraInfo.currentOffset)
        console.info("target offset: " + extraInfo.targetOffset)
        console.info("velocity: " + extraInfo.velocity)
      })
      .onAnimationEnd((index: number, extraInfo: SwiperAnimationEvent) => {
        console.info("index: " + index)
        console.info("current offset: " + extraInfo.currentOffset)
      })

      Row({ space: 12 }) {
        Button('showNext')
          .onClick(() => {
            this.swiperController.showNext()
          })
        Button('showPrevious')
          .onClick(() => {
            this.swiperController.showPrevious()
          })
      }.margin(5)
    }.width('100%')
    .margin({ top: 5 })
  }
}
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2024-12-25 15:34:27
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