iOS开发: UICollectionViewCell点击高亮颜

• 效果:

• UICollectionViewCell默认情况下没有点击高亮效果, 如果想要添加高亮效果, 可以使用UICollectionViewDelegate中的下面三个方法

#pragma mark - collectionViewCell点击高亮

// 高亮时调用
- (void)collectionView:(UICollectionView *)collectionView didHighlightItemAtIndexPath:(NSIndexPath *)indexPath
{
    UICollectionViewCell *cell = [collectionView cellForItemAtIndexPath:indexPath];
    cell.backgroundColor = [UIColor redColor];
}

// 高亮结束调用
- (void)collectionView:(UICollectionView *)collectionView didUnhighlightItemAtIndexPath:(NSIndexPath *)indexPath
{
    UICollectionViewCell *cell = [collectionView cellForItemAtIndexPath:indexPath];
    cell.backgroundColor = [UIColor whiteColor];
}

// 是否可以高亮
- (BOOL)collectionView:(UICollectionView *)collectionView shouldHighlightItemAtIndexPath:(NSIndexPath *)indexPath
{
    return YES;
}