uicollectionviewcell

问题 So below is my code for parsing JSON and putting it into a collection view cell import UIKit let cellId = "cellId" struct AnimeJsonStuff: Decodable { let data: [AnimeDataArray] } struct AnimeLinks: Codable { var selfStr : String? private enum CodingKeys : String, CodingKey { case selfStr = "self" } } struct AnimeAttributes: Codable { var createdAt : String? var slug : String? let synopsis: String? private enum CodingKeys : String, CodingKey { case createdAt = "createdAt" case slug = "slug"

问题 I have collectionView (3*3) with Images I am loading from server and I placed a checkBox in the top left corner of each cell so that I can select the cells and based on the selected cells I will get ids for the respective cells images(ids coming from server) and I am able do everything right. But, the problem is if there is are 20 images and if I check the 5 random cells which are loaded for the first time and when I scroll down to select other cells 5 other random checkBoxes are already

问题 In my app I'm using UICollectionView and I've decided to use it as in the code below: class UserList: UIViewController, UICollectionViewDataSource, UICollectionViewDelegate { @IBOutlet weak var tview: UICollectionView! let reuseIdentifier = "cell" var items = NSMutableArray() func collectionView(collectionView: UICollectionView, cellForItemAtIndexPath indexPath: NSIndexPath) -> UICollectionViewCell { let cell = tview.dequeueReusableCellWithReuseIdentifier(reuseIdentifier, forIndexPath:

问题 hi i have text field in uicollectionviewcell so what i need it example : when i edit text filed value in row 5 and i done it and go to text filed in row 20 to edit value the collectionview has reloaded and forget value in row 5, so i need way to save value temporarily while do I change it manually this my code : cell.foodNumber.tag = indexPath.row if let foodcodes = self.menu![indexPath.row]["code"] as? NSString { if contains(self.indexPathsForSelectedCells, indexPath) { cell

问题 I have collection view that has stepper inside the collection view cell used to increase the number of product like the image below. I need to know, when I click a stepper on a collection view cell. how do I know the indexPath.item of that collection view cell? so I can modify the data using the selected indexPath in the View controller? so If I change the stepper in the second cell, I will always get indexPath.item = 1 I previously think that the indexPath will come from didSelectItemAt

问题 Alright, so Im working in Swift 3 here and Im new to uicollectionviews. I am trying to programmatically add a label as a subview of a header UICollectionReusableView in my collection view. I have added the label like any other view, but I cant for the life of me CENTER the label on the header. Here is my label code in the custom header class, which is added to the header in the storyboard: let pointsLabel = UILabel() override init(frame: CGRect) { super.init(frame: frame) self.customInit() }

问题 I am using swift 3 - I know how to show some Images in collection view with custom Cell - the problem is that I can't use custom cell in Collection View Controller here is the collection view Controller Codes private let reuseIdentifier = "uploadCell" class uploadedFiles: UICollectionViewController { var images = ["1.jpg" , "2.jpg" , "3.jpg" , "4.jpg" ] override func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell { let cell =

问题 I have some UIScrollView s in my UITableView . My problem is that if I scroll the scroll view in the first cell to another position, the fourth cell will also be at that same position. Same for the second and the fifth, the third and the sixth... Is there a way for the scroll views in the cells to keep their position? 回答1: You should save the actual content offsets of your UIScrollView s in an array, retreive the value after a scroll happened in a custom delegate and set the offset to the

问题 I Wanted to design the UICollectionview both portrait and landscape mode.Here i am using UICollectionViewFlowLayout I have entered my view controller code import UIKit class ViewController: UIViewController,UICollectionViewDelegate,UICollectionViewDataSource,UICollectionViewDelegateFlowLayout { @IBOutlet var collectionObject: UICollectionView! var isOrientation = true let layout: UICollectionViewFlowLayout = UICollectionViewFlowLayout() override func viewDidLoad() { super.viewDidLoad() // Do

问题 There is UIViewController which contain UICollectionView . Also there is UICollectionViewCell which has own class & XIB (CurrentCell.h, CurrentCell.m, CurrentCell.xib). In my UIViewController.h : @property (strong, nonatomic) IBOutlet UICollectionView *collection; In my UIViewController.m : @synthesize collection; In viewDidLoad : [self.collection registerClass:[CurrentCell class] forCellWithReuseIdentifier:@"cellCurRecipe"]; UICollectionViewFlowLayout *flowLayout = [