OpenHarmony应用开发-基础组件ImageAnimator/Marquee/MenuItem

// xxx.ets
@Entry
@Component
struct ImageAnimatorExample {
  @State state: AnimationStatus = AnimationStatus.Initial
  @State reverse: boolean = false
  @State iterations: number = 1

  build() {
    Column({ space: 10 }) {
      ImageAnimator()
        .images([
          {
            src: $r('app.media.img1')
          },
          {
            src: $r('app.media.img2')
          },
          {
            src: $r('app.media.img3')
          },
          {
            src: $r('app.media.img4')
          }
        ])
        .duration(2000)
        .state(this.state).reverse(this.reverse)
        .fillMode(FillMode.None).iterations(this.iterations).width(340).height(240)
        .margin({ top: 100 })
        .onStart(() => {
          console.info('Start')
        })
        .onPause(() => {
          console.info('Pause')
        })
        .onRepeat(() => {
          console.info('Repeat')
        })
        .onCancel(() => {
          console.info('Cancel')
        })
        .onFinish(() => {
          console.info('Finish')
          this.state = AnimationStatus.Stopped
        })
      Row() {
        Button('start').width(100).padding(5).onClick(() => {
          this.state = AnimationStatus.Running
        }).margin(5)
        Button('pause').width(100).padding(5).onClick(() => {
          this.state = AnimationStatus.Paused     // 显示当前帧图片
        }).margin(5)
        Button('stop').width(100).padding(5).onClick(() => {
          this.state = AnimationStatus.Stopped    // 显示动画的起始帧图片
        }).margin(5)
      }

      Row() {
        Button('reverse').width(100).padding(5).onClick(() => {
          this.reverse = !this.reverse
        }).margin(5)
        Button('once').width(100).padding(5).onClick(() => {
          this.iterations = 1
        }).margin(5)
        Button('infinite').width(100).padding(5).onClick(() => {
          this.iterations = -1 // 无限循环播放
        }).margin(5)
      }
    }.width('100%').height('100%')
  }
}

// xxx.ets
@Entry
@Component
struct LoadingProgressExample {
  build() {
    Column({ space: 5 }) {
      Text('Orbital LoadingProgress ').fontSize(9).fontColor(0xCCCCCC).width('90%')
      LoadingProgress()
        .color(Color.Blue)
    }.width('100%').margin({ top: 5 })
  }
}

// xxx.ets
@Entry
@Component
struct MarqueeExample {
  @State start: boolean = false
  private fromStart: boolean = true
  private step: number = 50
  private loop: number = Infinity
  private src: string = "Running Marquee starts rolling"

  build() {
    Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
      Marquee({
        start: this.start,
        step: this.step,
        loop: this.loop,
        fromStart: this.fromStart,
        src: this.src
      })
        .width(360)
        .height(80)
        .fontColor('#FFFFFF')
        .fontSize(48)
        .fontWeight(700)
        .backgroundColor('#182431')
        .margin({ bottom: 40 })
        .onStart(() => {
          console.info('Marquee animation complete onStart')
        })
        .onBounce(() => {
          console.info('Marquee animation complete onBounce')
        })
        .onFinish(() => {
          console.info('Marquee animation complete onFinish')
        })
      Button('Start')
        .onClick(() => {
          this.start = true
        })
        .width(120)
        .height(40)
        .fontSize(16)
        .fontWeight(500)
        .backgroundColor('#007DFF')
    }
    .width('100%')
    .height('100%')
  }
}

@Entry
@Component
struct Index {
  @State select: boolean = true
  private iconStr: ResourceStr = $r("app.media.view_list_filled")
  private iconStr2: ResourceStr = $r("app.media.view_list_filled")

  @Builder
  SubMenu() {
    Menu() {
      MenuItem({ content: "复制", labelInfo: "Ctrl+C" })
      MenuItem({ content: "粘贴", labelInfo: "Ctrl+V" })
    }
  }

  @Builder
  MyMenu(){
    Menu() {
      MenuItem({ startIcon: $r("app.media.icon"), content: "菜单选项" })
      MenuItem({ startIcon: $r("app.media.icon"), content: "菜单选项" })
        .enabled(false)
      MenuItem({
        startIcon: this.iconStr,
        content: "菜单选项",
        endIcon: $r("app.media.arrow_right_filled"),
        builder: this.SubMenu.bind(this)
      })
      MenuItemGroup({ header: '小标题' }) {
        MenuItem({ content: "菜单选项" })
          .selectIcon(true)
          .selected(this.select)
          .onChange((selected) => {
            console.info("menuItem select" + selected);
            this.iconStr2 = $r("app.media.icon");
          })
        MenuItem({
          startIcon: $r("app.media.view_list_filled"),
          content: "菜单选项",
          endIcon: $r("app.media.arrow_right_filled"),
          builder: this.SubMenu.bind(this)
        })
      }
      MenuItem({
        startIcon: this.iconStr2,
        content: "菜单选项",
        endIcon: $r("app.media.arrow_right_filled")
      })
    }
  }

  build() {
    Row() {
      Column() {
        Text('click to show menu')
          .fontSize(50)
          .fontWeight(FontWeight.Bold)
      }
      .bindMenu(this.MyMenu)
      .width('100%')
    }
    .height('100%')
  }
}