ThePain/Swiftgram
1
0
Fork 0
mirror of https://github.com/Swiftgram/Telegram-iOS.git synced 2025-12-19 04:39:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

Disable UICollectionView prefetching to improve scroll performance (#2861)

Browse Source
This commit is contained in:
Adlai Holler 2017-01-04 13:30:23 -08:00 committed by GitHub
parent 89d4193757
commit d65fe8b5fa
1 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
AsyncDisplayKit/ASCollectionView.mm
View File

@ -281,6 +281,14 @@ static NSString * const kCellReuseIdentifier = @"_ASCollectionViewCell";
if (!(self = [super initWithFrame:frame collectionViewLayout:layout]))
return nil;
// Disable UICollectionView prefetching.
// Experiments done by Instagram show that this option being YES (default)
// when unused causes a significant hit to scroll performance.
// https://github.com/Instagram/IGListKit/issues/318
if (AS_AT_LEAST_IOS10) {
self.prefetchingEnabled = NO;
}
_layoutController = [[ASCollectionViewLayoutController alloc] initWithCollectionView:self];
_rangeController = [[ASRangeController alloc] init];