UICollectionView 集合視圖

來源:互聯網
上載者:User

標籤:uicollectionview 集合視圖

建立集合視圖

UICollectionView * cView = [[UICollectionView alloc]initWithFrame:CGRectMake(0, 0, 320, 568  ) collectionViewLayout:flowLayout];
    cView.dataSource = self;  設定 dataSource 代理
    cView.delegate = self;      設定delegate 代理
    [self.view addSubview:cView];


集合視圖cell 的數量

- (NSInteger)collectionView:(UICollectionView *)collectionView numberOfItemsInSection:(NSInteger)section
{
    return 100;
}


集合視圖 設定 cell

- (UICollectionViewCell *)collectionView:(UICollectionView *)collectionView cellForItemAtIndexPath:(NSIndexPath *)indexPath
{
    MyCollectionViewCell * cell  = [collectionView dequeueReusableCellWithReuseIdentifier:cellidentifier forIndexPath:indexPath];
    cell.backgroundColor = [UIColor redColor];
    cell.textLavel.text = [NSString stringWithFormat:@"%ld",(long)indexPath.row];
    
    return cell;
}


Header 和 Footer  設定


- (UICollectionReusableView *)collectionView:(UICollectionView *)collectionView viewForSupplementaryElementOfKind:(NSString *)kind atIndexPath:(NSIndexPath *)indexPath
{
  if ([kind isEqualToString:UICollectionElementKindSectionHeader]) {
    
    HeaderView * headerView = [collectionView dequeueReusableSupplementaryViewOfKind:kind withReuseIdentifier:headeridentifier forIndexPath:indexPath];
    return headerView;
  }
 
    FooterView * footerView = [collectionView dequeueReusableSupplementaryViewOfKind:kind withReuseIdentifier:footeridentifier forIndexPath:indexPath];

    return footerView;
    
}


點擊Collection 的cell 時 觸發 此方法

#pragma mark - UICollectionViewDelegate
- (void)collectionView:(UICollectionView *)collectionView didSelectItemAtIndexPath:(NSIndexPath *)indexPath
{
    
}

UICollectionView 集合視圖

聯繫我們

該頁面正文內容均來源於網絡整理,並不代表阿里雲官方的觀點,該頁面所提到的產品和服務也與阿里云無關,如果該頁面內容對您造成了困擾,歡迎寫郵件給我們,收到郵件我們將在5個工作日內處理。

如果您發現本社區中有涉嫌抄襲的內容,歡迎發送郵件至: info-contact@alibabacloud.com 進行舉報並提供相關證據,工作人員會在 5 個工作天內聯絡您,一經查實,本站將立刻刪除涉嫌侵權內容。

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.