Reputation: 11
I'm trying to populate twitter information in the collection view cells for my class assignment and each time I try to do so my app crash with this error:
Thread 6: EXC_BAD_INSTRUCTION (code=EXC_1386_INVOP)
as well as this statement shown in the debug window:
-[__NSCFDictionary objectAtIndex:]: unrecognized selector sent to instance 0xa5744b0
.
What solution can I use to correct this error?
To see my entire project here is my dropbox link to the entire project.
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
// here I am creating my cell for the custom View
CustomCollectionCellView *cellCollect = [theCollectionView dequeueReusableCellWithReuseIdentifier:@"customCell" forIndexPath:indexPath];
if (cellCollect != nil)
{
NSDictionary *userTweetDictionary = [usertwitterfeed objectAtIndex:indexPath.row];
if (userTweetDictionary != nil)
{
cellCollect.userNameLabel.text = (NSString *)[userTweetDictionary objectForKey:@"screen_name"];
//cellCollect.dateLabel.text = (NSString *)[tweetDictionary objectForKey:@"created_at"];
}
return cellCollect;
}
return nil;
}
Upvotes: 1
Views: 1007
Reputation: 1242
Few changes are required. First of all make usertwitterfeed
an NSDictionary
object instead of NSArray
then
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
// here I am creating my cell for the custom View
CustomCollectionCellView *cellCollect = [theCollectionView dequeueReusableCellWithReuseIdentifier:@"customCell" forIndexPath:indexPath];
if (cellCollect != nil)
{
if (usertwitterfeed != nil)
{
cellCollect.userNameLabel.text = (NSString *)[usertwitterfeed objectForKey:@"screen_name"];
}
return cellCollect;
}
return nil;
}
Upvotes: 1