uicollectionviewcell

问题 I'm using a UICollectionView inside of a UITableViewCell . It's all working fine, but i have some issues with Auto Layout. The UICollectionView should just show the cells without horizontal or vertical scrolling.Because now I have a the scrollable UICollectionView inside my UITableViewCell the following code doesn't work for me to get the dynamic table cells' height for this cell, but for other cells. self.tableView.rowHeight = UITableViewAutomaticDimension self.tableView.estimatedRowHeight =

问题 I am adding a tap gesture recognizer programmatically to a custom collection view cell class. for some reason, it doesnt seem to be working. the frame is not 0, isUserInteractionEnabled is set to true and i made sure the tap view is on top of all other views: The custom cell class: let containerView: UIView = { let view = UIView() view.isUserInteractionEnabled = true view.translatesAutoresizingMaskIntoConstraints = false return view }() let tapView: UIView = { let v = UIView() v

问题 I have a UICollectionView that shows several rows with one, full-width column (looks like a UITableView) What I'd like to achieve is something similar to this: ... where the middle cell has a much greater height. As the user scrolls up and down, the cells before and after the middle cell animate back to the default height for the given cell. Can somebody outline how I should approach this problem? 回答1: I use this Swift 3 code in my horizontal UICollectionView . func scrollViewDidScroll(_

问题 I have defined in my Storyboard (iPad) a view that contains a UICollectionView , at the bottom of the view there's also a UIToolbar . In the UICollectionView I have added a UICollectionViewCell (implemented by an iPadCellCollectionViewCell class) that contains a another view that is a Core-Plot Graph (a CPTGraphHostingView class). I have a class called X that implements the UICollectionViewDelegate and UICollectionViewDataSource . In the class X, I build for each cell of my view (in

问题 The problem I created a UICollectionViewController with a custom UICollectionViewCell. The custom cell contains a large and rectangular UIView (named colorView) and a UILabel (named nameLabel). When the collection is first populated with its cells and I print colorView.frame, the printed frames have incorrect values. I know they are incorrect, because the colorView frames are larger than the cell frame themselves, even though the colorView gets drawn correctly. However, if I scroll the

问题 The problem I created a UICollectionViewController with a custom UICollectionViewCell. The custom cell contains a large and rectangular UIView (named colorView) and a UILabel (named nameLabel). When the collection is first populated with its cells and I print colorView.frame, the printed frames have incorrect values. I know they are incorrect, because the colorView frames are larger than the cell frame themselves, even though the colorView gets drawn correctly. However, if I scroll the

问题 Objective I am trying to decrease the space between my UICollectionViewCells What I tried I tried subclassing UICollectionViewFlowLayout and overriding this method: - (NSArray *) layoutAttributesForElementsInRect:(CGRect)rect { NSArray *answer = [[super layoutAttributesForElementsInRect:rect] mutableCopy]; for(int i = 1; i < [answer count]; ++i) { UICollectionViewLayoutAttributes *currentLayoutAttributes = answer[i]; UICollectionViewLayoutAttributes *prevLayoutAttributes = answer[i - 1];

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 6 years ago . I am using a CollectionView in my ios app. Each collection cell contains a delete button. By clicking the button the cell should be deleted. After deletion, that space will be filled with below cell (I don't wish

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 6 years ago . I am using a CollectionView in my ios app. Each collection cell contains a delete button. By clicking the button the cell should be deleted. After deletion, that space will be filled with below cell (I don't wish

问题 It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center. Closed 6 years ago . I am using a CollectionView in my ios app. Each collection cell contains a delete button. By clicking the button the cell should be deleted. After deletion, that space will be filled with below cell (I don't wish