How to know viewpager is scroll left or right?

Question

I am using ViewPager (support library). I want to know every time the ViewPager change the visible page, it is scrolling left or right.

Please give me a solution. An

Answer 1

use that

@Override
public void onPageSelected( int position )
{
    mCurrentFragmentPosition = position;
}
@Override
public void onPageScrolled( int position, float positionOffset, int positionOffsetPixels )
{
    boolean isGoingToRightPage = position == mCurrentFragmentPosition;
    if(isGoingToRightPage)
    {
        // user is going to the right page
    }
    else
    {
        // user is going to the left page
    }
}