Pagination for UICollection View horizontal scroll

Asked Mar 19 '14 at 07:16

Active Mar 19 '14 at 07:19

Viewed 674 times

We have implemented a horizontal scroller with UICollectionView by customizing the collection flow layout dimensions. We wanted to show left pagination indicator and right pagination indicator to tell that there are more cells to the left and/or right.

To accomplish this, we have written the below piece of code in the method;

-(UICollectionViewCell*)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath

but it is not working properly. The max no of cells that can be shown are 5 (i.e. page size is 5).

if(_people.count > 5 && indexPath.row > 4) {
    // SHOW THE LEFT INDICATOR
    NSLog(@"images at left");
}
NSLog(@" %ld %lu", indexPath.row, _people.count);
if(_people.count > 5 && indexPath.row < _people.count-1) {
    // SHOW THE RIGHT INDICATOR
    NSLog(@"images at right");
}

This solution is working properly when we scroll slowly, but not working when we scroll very fast. Please suggest how we can accomplish this.

edited Mar 19 '14 at 07:19

Mehmet Emre Portakal

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asked Mar 19 '14 at 07:16

Sabbu

Define "not working". Do you just have these log statements at the moment or are you doing something else? – jrturton Mar 19 '14 at 07:47
Are you sure the paging indicators are causing the scroll lag? Also are both of the indicators a part of each cell? – Totumus Maximus Mar 19 '14 at 08:06

Pagination for UICollection View horizontal scroll

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