Set a separate OnPageChangeListener for internal use by the support library. @param listener Listener to set @return The old listener that was set, i

Set the number of pages that should be retained to either side of the current page in the view hierarchy in an idle state. Pages beyond this limit wil

Set a listener that will be invoked whenever the page changes or is incrementally scrolled. See {@link android.support.v4.view.ViewPager.OnPageChangeL