Photo gallery with a CollectionView xcode - ios

Question

I am building an application that looks like a Photo Gallery.
I follow different references, but It still not run.
The problem is with the imageView in the cell, because if I try to change the backgroundColor of the cell it works, in spite of if I try to change the image of the imageView it doesn't run.
- (void)viewDidLoad {
[super viewDidLoad];
_ownImages = [#[#"1.jpg",
#"2.jpg",
#"2.jpg",
#"3.jpg"] mutableCopy];
self.view = [[UIView alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
UICollectionViewFlowLayout *layout=[[UICollectionViewFlowLayout alloc] init];
_photoGallery =[[UICollectionView alloc] initWithFrame:self.view.frame collectionViewLayout:layout];
[_photoGallery setDataSource:self];
[_photoGallery setDelegate:self];
[_photoGallery registerClass:[PhCell class] forCellWithReuseIdentifier:#"photoCell"];
[self.view addSubview:_photoGallery];
}
Here I change the option of the CollectionView
-(NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView
{
return 1;
}
- (CGSize)collectionView:(UICollectionView *)collectionView layout:(UICollectionViewLayout*)collectionViewLayout sizeForItemAtIndexPath:(NSIndexPath *)indexPath
{
return CGSizeMake(100, 100);
}
-(NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
return _ownImages.count;
}
And finally, I create the Cell
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView
cellForItemAtIndexPath:(NSIndexPath *)indexPath {
PhCell *myCell = [_photoGallery dequeueReusableCellWithReuseIdentifier:#"photoCell" forIndexPath:indexPath];
long row = [indexPath row];
NSLog(#"%#", _ownImages[row]);
image = [UIImage imageNamed:_ownImages[row]];
myCell.backgroundColor = [UIColor clearColor];
myCell.imageView.image = image;
return myCell;
}
To implement the custom Cell I create an UICollectionViewCell called PhCell. In this Class I set an xib file for the cellView in which there is an imageView connected to the variable
#property (strong, nonatomic) IBOutlet UIImageView *imageView;
in PhCell.h
The code is free of errors, but it not display the image, why?

Answer 1

Just try to set the imagebackground is another color, like yellow, and let see the image is shown or not.
In the line image = [UIImage imageNamed:_ownImages[row]]; I can see you have not inited the image.