HarmonyOS VideoController无法继承

继承VideoController后，再调用VideoController中的方法不再生效；现象就是点击暂停，暂停不下来，debug和日志可以看到方法已经被调用

HarmonyOS

FengTianYa

4天前

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回答 1

待解决

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Heiang

// xxx.ets
@Entry
@Component
struct VideoCreateComponent {
  @State videoSrc: Resource = $rawfile('video1.mp4')
  @State previewUri: Resource = $r('app.media.APEX')
  @State curRate: PlaybackSpeed = PlaybackSpeed.Speed_Forward_1_00_X
  @State isAutoPlay: boolean = false
  @State showControls: boolean = true
  controller: myVideoCol = new myVideoCol();

  build() {
    Column() {
      Video({
        src: this.videoSrc,
        previewUri: this.previewUri,
        currentProgressRate: this.curRate,
        controller: this.controller
      })
        .width('100%')
        .height(600)
        .autoPlay(this.isAutoPlay)
        .controls(this.showControls)
        .onStart(() => {
          console.info('onStart')
        })
        .onPause(() => {
          console.info('onPause')
        })
        .onUpdate((e?: TimeObject) => {
          if (e != undefined) {
            console.info('onUpdate is ' + e.time)
          }
        })

      Row() {
        Button('start').onClick(() => {
          this.controller.myStart() // 开始播放
        }).margin(5)
        Button('pause').onClick(() => {
          this.controller.pause() // 暂停播放
        }).margin(5)
        Button('stop').onClick(() => {
          this.controller.myStop() // 结束播放
        }).margin(5)
        Button('setTime').onClick(() => {
          this.controller.mySeekTo(10) // 精准跳转到视频的10s位置
          // this.controller.setCurrentTime(10, SeekMode.Accurate) // 精准跳转到视频的10s位置
        }).margin(5)
      }

    }
  }
}

interface DurationObject {
  duration: number;
}

interface TimeObject {
  time: number;
}

class myVideoCol extends VideoController {
  myStart(): void {
    console.log("myVideoCol === myStart")
    super.start()
  }

  pause(): void {
    console.log("myVideoCol === myPause")
    super.pause()
  }

  myStop(): void {
    console.log("myVideoCol === myStop")
    super.stop()
  }

  mySeekTo(time: number): void {
    console.log("myVideoCol === mySeekTo")
    super.setCurrentTime(time)
  }
}