不显示 UICollectionViewController [重复]

Question

我正在尝试在 Xcode 6 上使用 UICollectionViewController，但我看不到自定义单元格或原型项目。我把标签放在白色的单元格中，我实现了 numberOfSections 和 numberOfItemsInSection 但问题仍然存在。可以帮我？提前致谢。

@implementation CollectionViewController

static NSString * const reuseIdentifier = @"Cell";

- (void)viewDidLoad {
    [super viewDidLoad];

    // Uncomment the following line to preserve selection between presentations
    // self.clearsSelectionOnViewWillAppear = NO;

    // Register cell classes
    [self.collectionView registerClass:[UICollectionViewCell class] forCellWithReuseIdentifier:reuseIdentifier];

    // Do any additional setup after loading the view.
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

/*
#pragma mark - Navigation

// In a storyboard-based application, you will often want to do a little preparation before navigation
- (void)prepareForSegue:(UIStoryboardSegue *)segue sender:(id)sender {
    // Get the new view controller using [segue destinationViewController].
    // Pass the selected object to the new view controller.
}
*/

#pragma mark <UICollectionViewDataSource>

- (NSInteger)numberOfSectionsInCollectionView:(UICollectionView *)collectionView {
#warning Incomplete method implementation -- Return the number of sections
    return 1;
}


- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section {
#warning Incomplete method implementation -- Return the number of items in the section
    return 5;
}

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath {
    UICollectionViewCell *cell = [collectionView dequeueReusableCellWithReuseIdentifier:reuseIdentifier forIndexPath:indexPath];

    // Configure the cell

    return cell;
}

Answer 1

您好，请尝试在以下位置设置一些数据：cellForItemAtIndexPath

我的代码的小例子

- (UICollectionViewCell *)collectionView:(UICollectionView *)cv cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
    MEMediaView *cell =  [cv dequeueReusableCellWithReuseIdentifier:@"MEMediaView" forIndexPath:indexPath];
    [cell awakeFromNib];
    [cell setMemryMediaData:[mediaArray_ objectAtIndex:indexPath.row]];
    [cell setMediaContent];
    if (shadow)
    {
        [cell shadeCoverImage];
    }

    return cell;
}

别忘了设置委托：

self.collectionView.delegate = self;
self.collectionView.dataSource = self;