Control which directions the ViewPager can be scrolled, dynamically with UI feedback

Question

I\'m working on an app which uses many pages to swipe through, however at some pages I would like to be able to prevent scrolling to the next page until they\'ve selected so

Answer 1

I have been googling high and low for a good way to solving this problem... I tried overriding ontouchevent etc...

I decided this was the best solution for me (and less hacky).. was just to implement a maximum or minimum tracker and set it to current page

        maxPageToScroll = viewPager.getCurrentItem();
        minPageToScroll = viewPager.getCurrentItem();

and then add to "onPageSelected" method:

public void onPageSelected(int position) {

        if (position < minPageToScroll) {
            viewPager.setCurrentItem(maxPageToScroll);
        }
        else if (position > maxPageToScroll) {
            viewPager.setCurrentItem(maxPageToScroll);
            // you can alert here that user needs to do certain actions before proceeding
        }
        else { 
            // enter normal commands here
        }

consequently, when conditions are met you simply increase the maxpage by one..

        maxPageToScroll = viewPager.getCurrentItem() + 1;

note that this doesn't prevent user form scrolling... it just prevents view pager from changing pages.