HarmonyOS onGesture回调函数监听滑动手势事件

视频上下滑动可以使用Swiper和Video实现，其中视频文件在/resource/rawfile/video中，可以参考下以下demo

@Entry
@Component
struct TestVideo {
  private videoValue: Array<string> = ['/resources/rawfile/video/video1.mp4', '/resources/rawfile/video/video2.mp4', '/resources/rawfile/video/video3.mp4',
    '/resources/rawfile/video/video4.mp4']
  build() {
    Column() {
      Swiper() {
        ForEach(this.videoValue, (item:string) => {
          PlayVideo({ item: item })
        }, (item:string) => item)
      }
      .index(1)
      .vertical(true)
      .indicator(false)
      .loop(true)
      .align(Alignment.Center)

    }.height('100%')
    .backgroundColor(Color.Black)
  }
}

@Component
struct PlayVideo {
  @Prop item: string ;
  private videoController: VideoController = new VideoController()

  build() {
    Video({ src: this.item, currentProgressRate: 1, controller: this.videoController })
      .controls(false)
      .objectFit(ImageFit.Contain)
      .loop(true)
      .autoPlay(true)
  }
}
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