@Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
super.onScrollStateChanged(view, scrollState);
if (scrollState == SCROLL_STATE_IDLE) {
// 停止滑动，日期指示器消失
mTimeLineText.setVisibility(View.GONE);
} else if (scrollState == SCROLL_STATE_FLING) {
mTimeLineText.setVisibility(View.VISIBLE);
}
}
@Override
public void onScroll(
AbsListView view, int firstVisibleItem, int visibleItemCount, int totalItemCount) {
super.onScroll(view, firstVisibleItem, visibleItemCount, totalItemCount);
if (mTimeLineText.getVisibility() == View.VISIBLE) {
int index =
firstVisibleItem + 1 == view.getAdapter().getCount()
? view.getAdapter().getCount() - 1
: firstVisibleItem + 1;
Image image = (Image) view.getAdapter().getItem(index);
if (image != null) {
mTimeLineText.setText(TimeUtil.formatPhotoDate(image.path));
}
}
}