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StaggeredGridLayoutManager #121

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StaggeredGridLayoutManager #121

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9 changes: 7 additions & 2 deletions ...rc/main/java/com/simplecityapps/recyclerview_fastscroll/views/FastScrollRecyclerView.java
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,7 @@
import androidx.recyclerview.widget.GridLayoutManager;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import androidx.recyclerview.widget.StaggeredGridLayoutManager;

public class FastScrollRecyclerView extends RecyclerView implements RecyclerView.OnItemTouchListener {

Expand Down Expand Up @@ -299,8 +300,12 @@ public String scrollToPositionAtProgress(float touchFraction) {
scrollOffset = -(exactItemPos % mScrollPosState.rowHeight);
}

LinearLayoutManager layoutManager = ((LinearLayoutManager) getLayoutManager());
layoutManager.scrollToPositionWithOffset(scrollPosition, scrollOffset);
RecyclerView.LayoutManager layoutManager = getLayoutManager();
if (layoutManager instanceof LinearLayoutManager) {
((LinearLayoutManager) layoutManager).scrollToPositionWithOffset(scrollPosition, scrollOffset);
} else if (layoutManager instanceof StaggeredGridLayoutManager) {
((StaggeredGridLayoutManager) layoutManager).scrollToPositionWithOffset(scrollPosition, scrollOffset);
}

if (!(getAdapter() instanceof SectionedAdapter)) {
return "";
Expand Down