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