private Runnable runnable = new Runnable() { 
 
 @Override 
 public void run() { 
  scrollView.scrollTo(0, 300);// 改变滚动条的位置 
 } 
}; 

handler = new Handler(); 
handler.postDelayed(runnable, 200); 

scrollView.scrollTo(0, linearLayout.getMeasuredHeight() - scrollView.getHeight());

final TextView titleTwo = (TextView) findViewById(R.id.title_two);
  final boolean scrollDown = getIntent().getBooleanExtra(SCROLL_DOWN, false);
  mRootScrollView = (ScrollView) findViewById(R.id.root);
  if (scrollDown) {
   mRootScrollView.post(new Runnable() {
    @Override
    public void run() {
     //To change body of implemented methods use File | Settings | File Templates.
//     mRootScrollView.fullScroll(ScrollView.FOCUS_DOWN);
     int[] location = new int[2];
     titleTwo.getLocationOnScreen(location);
     int offset = location[1] - mRootScrollView.getMeasuredHeight();
     if (offset < 0) {
      offset = 0;
     }
     mRootScrollView.smoothScrollTo(0, offset);
    }
   });
  }