LinearInterpolator scrollInterpolator = new LinearInterpolator();
        Scroller scroller = new Scroller(this,scrollInterpolator);
        scroller.extendDuration(10000);//I thought this was 10 seconds
        text1.setScroller(scroller);

scrollView.post(new Runnable() {
            @RequiresApi(api = Build.VERSION_CODES.HONEYCOMB)
            @Override
            public void run() {
                scrollView.fullScroll(ScrollView.FOCUS_DOWN);

            }
        });

final ScrollView scrollView = findViewById(R.id.scrollView);
    scrollView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
        @Override
        public void onGlobalLayout() {
            scrollView.getViewTreeObserver().removeOnGlobalLayoutListener(this);
            ObjectAnimator objectAnimator = ObjectAnimator.ofInt(scrollView,"scrollY",scrollView.getChildAt(0).getHeight()-scrollView.getHeight());
            objectAnimator.setDuration(10000);
            objectAnimator.setInterpolator(new LinearInterpolator());
            objectAnimator.start();
        }
    });