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Fixing bug on setting initial gallery index #7

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Fixing bug on setting initial gallery index #7

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c93491b
Fixing bug on setting initial gallery index
vilanovi Oct 17, 2014
eefd4d7
Fixing images not lazy loading when prefetching is enabled
jgimenez Dec 18, 2017
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10 changes: 6 additions & 4 deletions RMGallery/RMGalleryView.m
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Original file line number Diff line number Diff line change
Expand Up @@ -129,13 +129,15 @@ - (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSe
- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
RMGalleryCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:CellIdentifier forIndexPath:indexPath];

NSInteger imageIndex = indexPath.row;
cell.tag = imageIndex; // mark the cell so we're sure it has not been reused when we fill it with the image

[cell.activityIndicatorView startAnimating];

__block BOOL sync = YES;
[self.galleryDataSource galleryView:self imageForIndex:indexPath.row completion:^(UIImage *image) {
[self.galleryDataSource galleryView:self imageForIndex:imageIndex completion:^(UIImage *image) {
// Check if cell was reused
NSIndexPath *currentIndexPath = [self indexPathForCell:cell];
if (!sync && [indexPath compare:currentIndexPath] != NSOrderedSame) return;
if (!sync && cell.tag != imageIndex) return;

[cell.activityIndicatorView stopAnimating];
cell.image = image;
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10 changes: 8 additions & 2 deletions RMGallery/RMGalleryViewController.m
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Original file line number Diff line number Diff line change
Expand Up @@ -72,9 +72,15 @@ - (void)viewDidLoad
[self.view addGestureRecognizer:_tapGestureRecognizer];
}

- (void)viewWillAppear:(BOOL)animated
//- (void)viewWillAppear:(BOOL)animated
//{
// [super viewWillAppear:animated];
//}

- (void)viewDidLayoutSubviews
{
[super viewWillAppear:animated];
[super viewDidLayoutSubviews];

if (!_initialGalleryIndexSet)
{
// In case the gallery index was set before the view was loaded
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