Android: How to scroll ScrollView in top

Question

I have two buttons that switching to the next list of events and the previous one.

When I go to next\previous event, scrolls remains somewhere below. But I need to "rewind" it up.

I'm trying:

scrollViewEventDetails.pageScroll(ScrollView.FOCUS_UP);

and:

scrollViewEventDetails.scrollTo(0, 0);

but it doesn't work. Please, help!

score 35 · Accepted Answer · answered Jun 07 '11 at 08:29

35

You shoud write next:

scrollViewEventDetails.fullScroll(View.FOCUS_UP);//if you move at the end of the scroll

scrollViewEventDetails.pageScroll(View.FOCUS_UP);//if you move at the middle of the scroll

answered Jun 07 '11 at 08:29

dimas

387
3
9

score 23 · Answer 2 · edited Jul 29 '16 at 01:31

23

This did not work for me:

scrollViewEventDetails.fullScroll(View.FOCUS_UP); //if you move at the end of the scroll

This worked for me:

scroll_view.smoothScrollTo(0,0);

edited Jul 29 '16 at 01:31

dystopiandev

134
1
6

answered Jan 07 '15 at 07:46

madhu527

4,644
1
28
29

score 14 · Answer 3 · edited Mar 20 '13 at 06:48

14

scrollview.pageScroll(View.FOCUS_UP); is more consistent and worked for me. :)

edited Mar 20 '13 at 06:48

Lalit Poptani

67,150
23
161
242

answered Dec 05 '11 at 10:50

Ash

1,391
15
20

score 2 · Answer 4 · answered May 19 '15 at 15:09

The timing of these calls is crucial. getViewTreeObserver().addOnGlobalLayoutListener didn't work for me but using the onWindowFocusChanged callback in my activity did:

@Override
    public void onWindowFocusChanged(boolean hasFocus) {
        super.onWindowFocusChanged(hasFocus);

        if (hasFocus) {
            mScrollView.fullScroll(View.FOCUS_UP);
        }
    }

score 0 · Answer 5 · answered Jul 23 '15 at 17:51

I know this is an old post but there is a reason the code will work some places and not others. It will get interrupted by the main thread if called in the wrong place, especially if the ScrollView must scroll a large distance. Therefore put your call in its own thread. Fixed.

(new Thread(new Runnable(){
   public void run(){
      mScrollView.fullScroll(View.FOCUS_UP);
   }
})).start();

Android: How to scroll ScrollView in top

5 Answers5

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