Android ViewPager: Scroll to next item only when the previous item is scrolled to 90%

Question

I have a view pager implementation in my app. I want to change its scroll behaviour.

Currently (by default) when we scroll to 50% (almost) of the current item, the view pager scrolls to the next item. I want to change this behaviour. I want that instead of 50%, the next item should come up when the current item is scrolled to 90%. Is it possible to implement this kind of behaviour?

CodeRanger · Accepted Answer · 2019-09-13 09:17:54Z

You can make use of :

pager.addOnPageChangeListener

the solution could be using SimpleOnPageChangeListener method and override it's onPageScrolled method:

 mViewPager.addOnPageChangeListener(new ViewPager.SimpleOnPageChangeListener(){ @Override public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) { super.onPageScrolled(position, positionOffset, positionOffsetPixels); if (positionOffset> 0.9f){ scrolPage() } } }) ;

please take a look into the positionOffset documentation:

* @param positionOffset Value from [0, 1) indicating the offset from the page at position.

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