一、Demo1
@implementation ASHCollectionViewController
static NSString * CellIdentifier = @"CellIdentifier";
-(void)viewDidLoad
{
[super viewDidLoad];
[self.collectionView registerClass:[UICollectionViewCell class]
forCellWithReuseIdentifier:CellIdentifier];
}
-(UIStatusBarStyle)preferredStatusBarStyle
{
return UIStatusBarStyleLightContent;
}
-(void)viewDidAppear:(BOOL)animated
{
[super viewDidAppear:animated];
[self.collectionViewLayout invalidateLayout];
}
#pragma mark - UICollectionView Methods
-(NSInteger)collectionView:(UICollectionView *)collectionView
numberOfItemsInSection:(NSInteger)section
{
return 120;
}
-(UICollectionViewCell *)collectionView:(UICollectionView *)collectionView
cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
UICollectionViewCell *cell = [collectionView
dequeueReusableCellWithReuseIdentifier:CellIdentifier
forIndexPath:indexPath];
cell.backgroundColor = [UIColor orangeColor];
return cell;
}
@end
