使用弹簧曲线实现抖动动画及手机振动效果案例

  startVibrate() {
    try {
      // TODO: 知识点：vibrator.startVibration 根据指定振动效果和振动属性触发马达振动
      vibrator.startVibration({
        type: 'time',
        // 持续触发马达振动时间600ms
        duration: CONFIGURATION.VIBRATION_TIME,
      }, {
        id: 0,
        usage: 'alarm',
      }, (error: BusinessError) => {
        if (error) {
          logger.error(`Failed to start vibration. Code: ${error.code}, message: ${error.message}`);
          return;
        }
        logger.info('Succeed in starting vibration');
      });
    } catch (err) {
      let e: BusinessError = err as BusinessError;
      logger.error(`An unexpected error occurred. Code: ${e.code}, message: ${e.message}`);
    }
  }

  startAnimation() {
    if (!this.uiContext) {
      return;
    }
    this.translateX = CONFIGURATION.POSITION_ZERO;
    // TODO: 知识点：通过keyframeAnimateTo关键帧动画指定状态变化过渡动效
    this.uiContext.keyframeAnimateTo({ iterations: CONFIGURATION.PLAYBACK_COUNT }, [
      {
        // 第一段动画时长为100ms，translateX属性从0到5
        duration: CONFIGURATION.ANIMATION_TIME,
        event: () => {
          this.translateX = CONFIGURATION.TRANSLATE_OFFSET_X;
        }
      },
      {
        // 第二段动画时长为100ms，translateX属性从5到0
        duration: CONFIGURATION.ANIMATION_TIME,
        event: () => {
          this.translateX = CONFIGURATION.POSITION_ZERO;
        }
      }
    ]);
  }

vibrateeffect                                   // har类型
|---components
|   |---constantsData.ets                       // 定义常量数据
|---ProductView.ets                             // 视图层-场景列表页面