Package 

Interface ViewPager.OnPageChangeListener

    • Method Summary

      Modifier and Type Method Description
      abstract void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) This method will be invoked when the current page is scrolled, either as partof a programmatically initiated smooth scroll or a user initiated touch scroll.
      abstract void onPageSelected(int position) This method will be invoked when a new page becomes selected.
      abstract void onPageScrollStateChanged(int state) Called when the scroll state changes.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • onPageScrolled

         abstract void onPageScrolled(int position, float positionOffset, int positionOffsetPixels)

        This method will be invoked when the current page is scrolled, either as partof a programmatically initiated smooth scroll or a user initiated touch scroll.

        Parameters:
        position - Position index of the first page currently being displayed.Page position+1 will be visible if positionOffset is nonzero.
        positionOffset - Value from [0, 1) indicating the offset from the page at position.
        positionOffsetPixels - Value in pixels indicating the offset from position.

      • onPageSelected

         abstract void onPageSelected(int position)

        This method will be invoked when a new page becomes selected. Animation is notnecessarily complete.

        Parameters:
        position - Position index of the new selected page.

      • onPageScrollStateChanged

         abstract void onPageScrollStateChanged(int state)

        Called when the scroll state changes. Useful for discovering when the userbegins dragging, when the pager is automatically settling to the current page,or when it is fully stopped/idle.

        Parameters:
        state - The new scroll state.