/**
* Find the position of the first visible item of the section.
*
* @param sectionFirstPosition First position of section being queried.
* @return Position of first visible item.
*/
public int findLastVisibleItemPosition(int sectionFirstPosition) {
View item = getLastVisibleView(sectionFirstPosition);
if (item == null) {
return LayoutManager.INVALID_POSITON;
}
return mLayoutManager.getPosition(item);
}
/**
* Find the position of the first completely visible item of this section.
*
* @param sectionFirstPosition First position of section being queried.
* @return Position of first completely visible item.
*/
public int findFirstCompletelyVisibleItemPosition(int sectionFirstPosition) {
View item = getFirstCompletelyVisibleView(sectionFirstPosition, false);
if (item == null) {
return LayoutManager.INVALID_POSITON;
}
return mLayoutManager.getPosition(item);
}