我有以下代码(Scala中的Android项目):valanimator=newValueAnimatoranimator.setFloatValues(0f,100f)animator.setDuration(20000L)animator.addUpdateListener(this)//printscurrentvaluetoconsoleanimator.startoverridedefonTouch(v:View,event:MotionEvent)={animator.setFloatValues(100f,0f)animator.setCurrentPlayTime(0)