UICollectionViewCell issues calling method - ios

Question

I'm simply trying to call a method with a custom UICollectionViewCell and it's crashing with SIGABRT
-(UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
if([_leaderboardDictionary count] > 0 && indexPath.row == 0)
{
return [self insertLeaderBoardCellAtIndexPath:indexPath];
}
else
{
return [self insertDetailGraphicCellAtIndexPath:indexPath];
}
}
-(CampaignDetailGraphic2Cell *)insertDetailGraphicCellAtIndexPath:(NSIndexPath *)indexPath
{
CampaignDetailGraphic2Cell *cell = (CampaignDetailGraphic2Cell *)[_topCollectionView dequeueReusableCellWithReuseIdentifier:#"detailWebCell" forIndexPath:indexPath];
if(cell == nil)
{
if(is3_5Inches)
{
cell = [[CampaignDetailGraphic2Cell alloc] initWithFrame:CGRectMake(0, 0, 300, 172)];
}
else
if(is4Inches)
{
cell = [[CampaignDetailGraphic2Cell alloc] initWithFrame:CGRectMake(0, 0, 300, 220)];
}
else
if(isIphone6)
{
cell = [[CampaignDetailGraphic2Cell alloc] initWithFrame:CGRectMake(0, 0, 355, 290)];
}
else
if(isIphone6Plus)
{
cell = [[CampaignDetailGraphic2Cell alloc] initWithFrame:CGRectMake(0, 0, 394, 356)];
}
}
[cell setupCell];
...
}
This method exists within my CampaignDetailGraphic2Cell class.
Any idea how I can call methods and set properties of a cell ... ?

Answer 1

You shouldn't create UICollectionViewCells with alloc init. You need to register a class or nib file when you set up the collection and then dequeue the cell. Once you do that you can call the methods on your cell.
ie
[self.collectionView registerClass:[CampaignDetailGraphic2Cell class] forCellWithReuseIdentifier:#"CampaignCell"];
then
-(UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
CampaignDetailGraphic2Cell* cell = (CampaignDetailGraphic2Cell*)[collectionView dequeueReusableCellWithReuseIdentifier:#"CampaignCell" forIndexPath:indexPath];
...
return cell;
}