Issue is solved.

First: get the view from the flipperPanel,

Then: get the scrollerView

For page down button event:

scrollView.pageScroll(ScrollView.FOCUS_DOWN)
scrollView.computeScroll();

Similar for page up button event.

dave

On Aug 17, 7:18 pm, dave <dayong...@gmail.com> wrote:
> Hi,
>
> I have a ScrollView, inside of it there is a TextView, and there are
> two buttons for PageUp and PageDown in the other part of the layout.
> When I click on PageDown, I want to see the text in the TextView to
> scroll down one page.
> How could I do it ?
>
> Thanks.
>
> dave

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