Package icyllis.modernui.widget

Interface AbsListView.OnScrollListener

Enclosing class:
AbsListView
public static interface AbsListView.OnScrollListener
Interface definition for a callback to be invoked when the list or grid has been scrolled.

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final int
    SCROLL_STATE_FLING
    The user had previously been scrolling using touch and had performed a fling.
    static final int
    SCROLL_STATE_IDLE
    The view is not scrolling.
    static final int
    SCROLL_STATE_TOUCH_SCROLL
    The user is scrolling using touch, and their finger is still on the screen

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount)
    Callback method to be invoked when the list or grid has been scrolled.
    void
    onScrollStateChanged(AbsListView view, int scrollState)
    Callback method to be invoked while the list view or grid view is being scrolled.

  • Field Details

    • SCROLL_STATE_IDLE

      static final int SCROLL_STATE_IDLE
      The view is not scrolling. Note navigating the list using the trackball counts as being in the idle state since these transitions are not animated.
      See Also:

    • SCROLL_STATE_TOUCH_SCROLL

      static final int SCROLL_STATE_TOUCH_SCROLL
      The user is scrolling using touch, and their finger is still on the screen
      See Also:

    • SCROLL_STATE_FLING

      static final int SCROLL_STATE_FLING
      The user had previously been scrolling using touch and had performed a fling. The animation is now coasting to a stop
      See Also:

  • Method Details

    • onScrollStateChanged

      void onScrollStateChanged(AbsListView view, int scrollState)
      Callback method to be invoked while the list view or grid view is being scrolled. If the view is being scrolled, this method will be called before the next frame of the scroll is rendered. In particular, it will be called before any calls to Adapter.getView(int, View, ViewGroup).
      Parameters:
      view - The view whose scroll state is being reported
      scrollState - The current scroll state. One of SCROLL_STATE_TOUCH_SCROLL or SCROLL_STATE_IDLE.

    • onScroll

      void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount)
      Callback method to be invoked when the list or grid has been scrolled. This will be called after the scroll has completed
      Parameters:
      view - The view whose scroll state is being reported
      firstVisibleItem - the index of the first visible cell (ignore if visibleItemCount == 0)
      visibleItemCount - the number of visible cells
      totalItemCount - the number of items in the list adapter