ValueAnimatorSetup.java

 handler.postDelayed(new Runnable() {
    @Override
    public void run() {
       if (index < polyLineList.size() - 1) {
         index++;
         next = index + 1;
       }
       if (index < polyLineList.size() - 1) {
         startPosition = polyLineList.get(index);
         endPosition = polyLineList.get(next);
       }
       //CODE
       ValueAnimator valueAnimator = ValueAnimator.ofFloat(0, 1);
       valueAnimator.setDuration(3000);
       valueAnimator.setInterpolator(new LinearInterpolator());
       valueAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
           @Override
           public void onAnimationUpdate(ValueAnimator valueAnimator) {
           //CODE

       });         
}, 3000)