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2014/10/16 ¤W¤È 08:19:29

android Programming Glossary: mlastfirstvisibleitem

Detecting the scrolling direction in the adapter (up/down)

http://stackoverflow.com/questions/12114963/detecting-the-scrolling-direction-in-the-adapter-up-down

inside onScrollStateChanged . Sample code private int mLastFirstVisibleItem private boolean mIsScrollingUp public void onScrollStateChanged.. lw.getFirstVisiblePosition if currentFirstVisibleItem mLastFirstVisibleItem mIsScrollingUp false else if currentFirstVisibleItem mLastFirstVisibleItem.. mIsScrollingUp false else if currentFirstVisibleItem mLastFirstVisibleItem mIsScrollingUp true mLastFirstVisibleItem currentFirstVisibleItem..

Detect Scroll Up & Scroll down in ListView

http://stackoverflow.com/questions/16791100/detect-scroll-up-scroll-down-in-listview

lw.getFirstVisiblePosition if currentFirstVisibleItem mLastFirstVisibleItem mIsScrollingUp false Log.i a scrolling down... else if currentFirstVisibleItem.. Log.i a scrolling down... else if currentFirstVisibleItem mLastFirstVisibleItem mIsScrollingUp true Log.i a scrolling up... mLastFirstVisibleItem..

Detecting the scrolling direction in the adapter (up/down)

http://stackoverflow.com/questions/12114963/detecting-the-scrolling-direction-in-the-adapter-up-down

than the previous first visible item position. Put that check inside onScrollStateChanged . Sample code private int mLastFirstVisibleItem private boolean mIsScrollingUp public void onScrollStateChanged AbsListView view int scrollState final ListView lw getListView.. if view.getId lw.getId final int currentFirstVisibleItem lw.getFirstVisiblePosition if currentFirstVisibleItem mLastFirstVisibleItem mIsScrollingUp false else if currentFirstVisibleItem mLastFirstVisibleItem mIsScrollingUp true mLastFirstVisibleItem.. if currentFirstVisibleItem mLastFirstVisibleItem mIsScrollingUp false else if currentFirstVisibleItem mLastFirstVisibleItem mIsScrollingUp true mLastFirstVisibleItem currentFirstVisibleItem Check if mIsScrollingUp is true or false in getView..

Detect Scroll Up & Scroll down in ListView

http://stackoverflow.com/questions/16791100/detect-scroll-up-scroll-down-in-listview

if view.getId lw.getId final int currentFirstVisibleItem lw.getFirstVisiblePosition if currentFirstVisibleItem mLastFirstVisibleItem mIsScrollingUp false Log.i a scrolling down... else if currentFirstVisibleItem mLastFirstVisibleItem mIsScrollingUp true.. mLastFirstVisibleItem mIsScrollingUp false Log.i a scrolling down... else if currentFirstVisibleItem mLastFirstVisibleItem mIsScrollingUp true Log.i a scrolling up... mLastFirstVisibleItem currentFirstVisibleItem share improve this answer..