Merge branch 'grant.zhou/github_multisections' into 'master'

Grant.zhou/github multisections

See merge request grant/CollectionViewPagingLayout!4

Author: grant

Lib/CollectionViewPagingLayout.swift

@@ -65,10 +65,9 @@ public class CollectionViewPagingLayout: UICollectionViewLayout {
 
 
     // MARK: UICollectionViewLayout
-    var ignoreBoundsChange : Bool = false
 
     override public func shouldInvalidateLayout(forBoundsChange newBounds: CGRect) -> Bool {
-        !ignoreBoundsChange
+        true
     }
 
     override public func layoutAttributesForElements(in rect: CGRect) -> [UICollectionViewLayoutAttributes]? {
@@ -175,9 +174,7 @@ public class CollectionViewPagingLayout: UICollectionViewLayout {
         offset = max(0, offset)
         offset = min(offset, maxPossibleOffset)
         let contentOffset: CGPoint = scrollDirection == .horizontal ? CGPoint(x: offset, y: 0) : CGPoint(x: 0, y: offset)
-        ignoreBoundsChange = true
         collectionView?.setContentOffset(contentOffset, animated: animated)
-        ignoreBoundsChange = false
-        updateCurrentPageIfNeeded(basedOn: contentOffset)
+        //updateCurrentPageIfNeeded(basedOn: contentOffset)
     }
 }