HarmonyOS 如何按需限制设备左右滑动？

Question

如题：HarmonyOS 如何按需限制设备左右滑动？

Answer 1

可参考以下代码限制设备左右滑动：

@Entry
@Component
struct secondPage {
  @State rotateAngle: number = 0;
  @State speed: number = 0;
  @State message: string = 'Hello World secondPage';
  onBackPress(): boolean | void {
    return true
  }
  build() {
    Column(){
      Button('点击返回上一页')
        .onClick(()=>{
          router.back()
        })
      RelativeContainer() {
        Text(this.message)
          .id('HelloWorld')
          .fontSize(50)
          .fontWeight(FontWeight.Bold)
          .alignRules({
            center: { anchor: '__container__', align: VerticalAlign.Center },
            middle: { anchor: '__container__', align: HorizontalAlign.Center }
          })
      }
      .gesture(
        // 绑定滑动手势且限制仅在水平方向滑动时触发
        SwipeGesture({ direction: SwipeDirection.Horizontal,fingers:0 })
          // 当滑动手势触发时，获取滑动的速度和角度，实现对组件的布局参数的修改
          .onAction((event: GestureEvent|undefined) => {
            if(event){
              this.speed = event.speed;
              this.rotateAngle = event.angle;
            }
          })
      )
      .height('100%')
      .width('100%')
      .backgroundColor(Color.Green)
    }
  }
}