Invalidate layout on set current page without animation

Amir Khorsandi · Amir Khorsandi · commit 61280d0b9c20 · 2020-07-05T12:38:29.000+02:00
diff --git a/Lib/CollectionViewPagingLayout.swift b/Lib/CollectionViewPagingLayout.swift
@@ -219,6 +219,13 @@ public class CollectionViewPagingLayout: UICollectionViewLayout {
         }
         collectionView?.setContentOffset(contentOffset, animated: animated)
         CATransaction.commit()
+        
+        // this is necessary when we want to set the current page without animation
+        if !animated {
+            collectionView?.performBatchUpdates({ [weak self] in
+                self?.collectionView?.collectionViewLayout.invalidateLayout()
+            })
+        }
     }
     
     private func addTapGestureToCollectionView() {

Original file line number	Diff line number	Diff line change
`@@ -219,6 +219,13 @@ public class CollectionViewPagingLayout: UICollectionViewLayout {`
`219`	`219`	`}`
`220`	`220`	`collectionView?.setContentOffset(contentOffset, animated: animated)`
`221`	`221`	`CATransaction.commit()`
	`222`	`+`
	`223`	`+ // this is necessary when we want to set the current page without animation`
	`224`	`+ if !animated {`
	`225`	`+ collectionView?.performBatchUpdates({ [weak self] in`
	`226`	`+ self?.collectionView?.collectionViewLayout.invalidateLayout()`
	`227`	`+ })`
	`228`	`+ }`
`222`	`229`	`}`
`223`	`230`
`224`	`231`	`private func addTapGestureToCollectionView() {`