Uicollectionview not reloading swift. Swift: Handling JSON with Alamofire & SwiftyJSON.

Uicollectionview not reloading swift. swift: - A UICollectionViewCell. Over UIView I placed one ImageView with equal width of view and another view with some Full Image not loading on ImageView inside UICollectionView Cell Swift 4. collection[indexPath. If I increase the height of the UICollectionView then the last image alligns correctly but there is a huge gap between at the top and bottom of the UICollectionView as seen in the image below: Maybe when you reload data then need to calculate a new height with new data then you can get it by: add observer to listen when your CollectionView finished reload data at viewdidload: [self. 2. This causes the collection view to discard any currently visible items I migrated my ios app code to Swift 4 and reload data method in my collection views doesn't work. Thank you. @IBOutlet weak var collectionView: UICollectionView! var model = CardModel() //Kepp track of the cards veiwed var cardArray = [Card]() override func viewDidLoad() { super. delegate = self collectionView. UICollectionView images loading issue. Reload data in a UICollectionView - Swift. uicollectionview - data automatically load without calling reloaddata. 13. Modified 8 years, 9 months ago. If you'd like to perform some code after your collectionView has completed it's reloadData() method, then try this (Swift): UICollectionView reloading not properly. I am new to Swift Ios programming. UICollectionView cells only display after second call to reloadData. func collectionView(_ 2017-03-30 11:25:14. invalidateLayout() to the viewDidLayoutSubviews() - but this only causes a crash. animalCollection[Index] to the items in the UICollectionView e. It was working perfectly for more than a I'm also clearly not understanding how to match up the items in the datasource e. 1. If you want to change your cell style or update the data, call [self. swift; uicollectionview; xib; nib; Share. 624 Prep[92400:1862856] the item height must be less than the height of the UICollectionView minus the section insets top and bottom values, minus the content insets top and bottom values. Please can someone advise? I have a UIcollectionView with images. Properties should start with a lower case letter (array) but that also isn't a very descriptive property name. Improve this question. Currently, images will be displayed when the user signs out Here I'm trying to load the collectionView with another data that fetch from API Calls. reloadData() I made a custom cell, and a UICollectionViewCell with the imageView embedding in another view (which is the outline) for the pic. If my DataSource & Delegate set to Self everything works good . UICollectionView is not updated when data is fetched. CollectionView reloaddata() after value change. I've tried to reload the collection view swift; uicollectionviewcell; uicollectionviewlayout; or ask your own question. dequeueReusableCell(withReuseIdentifier: cellId, for: indexPath) as! How do i correctly reload my UICollectionView's data? 2. First of all, I apologize Because my English Writing is Bad. Modified 5 years, 1 month ago. Also, make sure you only have a single section in your collection view. The first one works as a filter to the second one. destinationViewController as! DetailMenuViewController detailVC. Modified 6 years, 10 months ago. I did a custom view controller file for the cell but i still don`t get any images displayed. Modified 6 years, UICollectionView, Images inside a cell does not load until the cell is Subsequent data reloads don't reset the focus, the only problematic call is that first reload after the details VC is dismissed. title = "Centill" UICollectionView reloading not properly. Inside UICollectionView cell put a UIView. sectionInset = UIEdgeInsets(top: 20, left: 15, bottom: 20, -setCollectionViewLayout: or -setCollectionViewLayout:animated: won't cause your UICollectionView reload its data. How do I achieve this? override func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell { let feedCell = collectionView. nameFood. don't work reload data CollectionView. Ask Question Asked 6 years, 10 months ago. CollectionView collectionViewLayout working in second reload data. So I set up a UITapGestureRecognizer which works to get the index, but when I set the outer view to have a boder it doesn't work. I only want the newsMenu button to be clickable, not have the whole cell to be selectable. I I implemented UICollectionViewDataSource, UICollectionViewDelegate, connected the delegate and datasource to the view controller, and implemented their functions but for some reason Try putting the reloadData() in the hourly array's didSet to always reload the collection view when the data source is updated. halfer. title], it is working in DetailMenuViewController. Things I’ve tried: -Disabling user interaction is enabled on all of the views apart from collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell is not called. Follow answered Nov 7, 2018 at 0:07. 0, *) optional public func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets Reload your collectionView At the end of the showCellTitleAlert() just after you present that alert (Just Try) and try checking weather the data after inserting from alert and picker is passed in your object class or not ? my CollectionView's items do not scroll, when I scroll down the first items stay at their place, without any change, you can see what I mean on the image: collectionview Here is the code of the collectionView: func setUpCollectionView() { let layout: UICollectionViewFlowLayout = UICollectionViewFlowLayout() layout. return self. my CollectionView's items do not scroll, when I scroll down the first items stay at their place, without any change, you can see what I mean on the image: collectionview Here is the code of the collectionView: func setUpCollectionView() { let layout: UICollectionViewFlowLayout = UICollectionViewFlowLayout() layout. UICollectionViewCell draw() method is not called after reloading data. swift which is a subclass of UICollectionViewController. One which is a functions categories and another one which is the functions. Modified 6 years, 5 months ago. Viewed 152 times swift; uicollectionview; uicollectionviewcell; Share. Is there any property or method to achieve the same. viewDidLoad() // Register cell classes self. reloadItems(at: [IndexPath]), but this method updates my entire cell, which I would like to change my entier array used to created all my cells with a button and then reload my collection view, but it is not working. 142459+0930 vipeeps[12101:5937397] the item width must be less than the I am having a problem reloading the collection view so that it will display the images immediately after a post. At first, I call the data load into CollectionView and it works but when scroll until the I’ve linked both the buttons as IBActions, but they’re not responding to any touches in the simulator. Each cell loaded two button. like . Roggie Roggie. What I'm trying to accomplish: For this project, I will mention only two source files: (1) RPPhotoLibrary. Why does UICollectionView not calling scrollViewDidScroll - Swift. You should add a boolean for checking whether you're already loading data, let's call it UICollectionView Reloading cells but not deleting old ones. Swift vertical UICollectionView inside UITableView. picFood = self. user237462 UICollectionView not asking for data from UICollectionViewDataSource. You may be calling reloadData() faster than I am currently trying to get an UIImage to load and a few labels to load within a collection cell. I can call collectionView reloadSections:, but this reloads the entire section which is unnecessary. Ask Question Asked 6 years, 3 months ago. I searched and try a lot of things but no one worked. Here i attached the collectionview image: Here my code: @IBOutlet weak var dataCollectionView: UICollectionView! Reload data in a UICollectionView - Swift. uicollectionview not showing cells swift. count is 5 here, and that is how many cells my collection view ends up having. Ask Question Asked 8 years, 9 months ago. loadMoreData(). Currently, images will be displayed when the user signs out and then signs back in. However, when i try an append values from the collection view to arrays, my collection view is iterating over itself an extra amount of times - UICollectionView reloading not properly. UICollectionViewCells not showing after reloadData() 1. 20 I only want the newsMenu button to be clickable, not have the whole cell to be selectable. Duncan C Duncan C Reload data in a UICollectionView - Swift. Related. UICollectionView does not reload properly. UICollectionView datasource method not called after reload data. viewDidLayoutSubviews() self. Follow asked Mar 3, 2020 at 5:52. Collection view doesn't reload (Swift) 0. UICollectionViewCell register class fails, but register nib works. collectionViewLayout. Also i have placed two uiCollectionView. Fail to redraw UICollectionViewCell after reloadData() 1. The class is linked to the collection view in the Attributes Inspector. I have some data that is fetched in another thread that updates a UICollectionView's header. Viewed 1k times Part of Mobile Development Collective 1 I have a collection view with a datasource and a layout class. user237462. how can i do this using swift ? thanks Last item in UICollectionView not alligned - Swift. I want set DataSource & Delegate of UICollectionView from another Swift class , But my Swift class functions not calling and my CollectionView not showing anything . I've looked around for answers, but nothing seems to be working in my case. I am building a layout in which i have to show airplane seats (grid layout) so i have used collectionView inside tableView, but the problem is that once data is fetched and passed to the func reloadData() Discussion. I've tried to reload the collection view into the main t When I rotate the screen, the cells do not resize as expected. There is no need for the async dispatch in this code since you will already be on the main queue. Call this method sparingly when you need to reload all of the items in the collection view. row] collection is empty array get data form json [title = self. count; } and this one: func I solve this by setting notification when screen orientation changes and reloading cell which set itemsize according to screen orientation and setting indexpath to previous cell. When I tap "Files" button it should hide one of the uiCollectionView at runtime and when I tap "Folders" it should do same for other uiCollectionView. collectionView!. Similarly the parameter to your filter block should be product. use Alamofire to show image in collectionView in ios. Also, if the collection view VC is not presented modally over another VC, then the reload issue doesn't happen. Fail to redraw UICollectionViewCell after reloadData() 8. Even if that wasn't blocking, you're calling loadMoreData() multiple times per page. In my storyboard, I've checked the Section Footer box and added a few buttons to the footer's view. The Xcode docs on UICollectionView are quite good. myItems. reloadData() should be called on main thread from self. Follow edited Sep 15, 2017 at 12:11. Hot Network Questions Is this inclusion a cofibration in the cofibrantly generated model category of topological spaces? Naming a property Array is quite confusing as that is the name of the Swift foundation type. DataTableCollectionView. Ask Question Asked 9 years, 9 months ago. g. I have been using this code to reload my UICollectionView: self. Why does I have made your suggested changes with some test height CGFloat values of 100 for now. Collection view doesn't reload (Swift) 12. Ask Question Asked 4 years, 5 months ago. UICollection View cell content is not showing up. My hypothesis is my AutoLayout constraints are not set properly on my cell / UILabel swift; uicollectionview; Share. loadMoreData() is not asynchronous, it's blocking your UI. Anyone help me. override func viewDidLayoutSubviews() { super. Swift - display UICollectionView after retrieving data. swift but not image on code above. collectionView reloadData] and UICollectionViewDataSource protocol methods will be called. Alamofire + Swift in UICollectionView. I'm sure this is a simple fix for most but I can't seem to find an answer anywhere. UICollectionView reloadData() does not update cells in the collection view. 8. Swift CollectionView ReloadData Acting Weird. The Overflow Blog Rust is evolving from system-level language to UI and frontend development Second UICollectionView not reloading. Invisible cells of UICollectionView are not deselected - Swift. How to reload section from collectionview. This does work The article shows you how to use 2 totally different approaches when reloading cells with reference and value type item. the cells are not displaying at all and I am getting a tone of non-stop console errors like: The behavior of the UICollectionViewFlowLayout is not defined because: 2018-08-10 21:56:18. If you want to change your UICollectionView layout to another, call -setCollectionViewLayout:. Swift: Handling JSON with Alamofire & SwiftyJSON. Viewed 677 times 1 I have in my swift app two collection views. CollectionView reload data not working swift ios? 2. Viewed 12k times I was moving form swift 2 to swift 3 and what did the trick is the following: swift 2: Swift: UICollectionView invalidateLayout not getting triggered. 5. Here are two images showing what the screen looks like when it is first loaded and after the friends navigation button is clicked swift; uicollectionview; xib; nib; Share. As a recap, for references type items, we can A protocol that provides advance warning of the data requirements for a collection view, allowing the triggering of asynchronous data load operations. self, forCellWithReuseIdentifier: The count of chosenPlanArray. Modified 8 years, 3 months ago. collectionView[IndexPath]. CollectionView reload data not working swift ios? 1. Swift reload collection view not working. However, it is currently not working? Please help. collectionView. Finally I found the solution, i'm trying to update just one single object inside my costumViewCell, i've tried collectionView. extension SecondViewController: UICollectionViewDataSource { func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int { return 10 } func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> Populating UICollectionView Not Working. I think you did the simple mistake just change extension to Second View Controller. How to make uicollectionview reload once it receives data from firebase? 0. scrollToBottom() } func Each cell loaded two button. My DataSource class is : Call reloadItems(at:) and pass in an array containing a single IndexPath of the cell you want to reload. 0. Here is my code: I am having a problem reloading the collection view so that it will display the images immediately after a post. UICollectionView Refresh Issue. You could try putting the scrolling code in viewDidLayoutSubviews which should get called after all table cells are loaded, which means your messages. reloadItems(at: [IndexPath]) line written inside cellForItemAt which is really wrong approach because cellForItemAt called many a times leads to infinite loop of reloading IndexPath's. 10. Reloading/animating a UICollectionView alongside a layout I have a UICollectionViewController in a storyboard which has been linked to a file called XCollectionViewController. UICollectionViewCell) { let detailVC = segue. Load CollectionView cells only when all data is loaded. Hot Network Questions My problem is that setting the estimated height for my collection view layout does not work. self. Follow edited Sep 10, 2019 at 17:08. Modified 4 years, 5 months ago. count should work. Ask Question Asked 8 years, 3 months ago. Here i attached the collectionview image: Here my code: @IBOutlet weak var dataCollectionView: UICollectionView! I have got this Swift code ` let cellId="cellId" class FeedController: UICollectionViewController{ override func viewDidLoad() { super. getCards() collectionView. 3 I am trying to display a collection of horizontally scrollable images with the help of the UICollectionView . 3. I'm not sure if it's something in Swift or I'm just missing something. I'm pulling the images from an array that I created of image literals in that swift file and the correct images are loading so there's no problem there. I want to load the images (and videos) from the user's photo library (preferably all of them) and present them into a UICollectionViewCell for each cell in the The jittering animation occurs because of this collectionView. viewDidLoad() //Call the getCards method of the card model cardArray = model. when user click one button the particular cell should be reload and the UIView will be displayed in that cell only other cell not displayed. asked Sep 9, 2019 at 21:41. 1,207 3 3 IOS UICollectionView Register nib for UICollectionViewCell not working. func collectionView(collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {. UICollectionView not loading Image from SDWebImage. However, I've not found an efficient way of reloading a supplementary view such as a header or footer. When I rotate the screen, the cells do not resize as expected. registerClass(UICollectionViewCell. The signature has changed in Swift 3: @available(iOS 6. dataSource = self } // MARK: -UICOlecctionView Reload data in a UICollectionView - Swift. 624 Prep[92400:1862856] The behavior of the UICollectionViewFlowLayout is not defined because: 2017-03-30 11:25:14. Wrong image load in uicollectionviewcell when scrollling. . My UICollectionView's footer is not displaying any of its subviews. Share. You should add a boolean for checking whether you're already loading data, let's call it swift; uicollectionview; Share. CollectionView Cells Not showing. sectionInset = UIEdgeInsets(top: 20, left: 15, bottom: 20, I would like to change my entier array used to created all my cells with a button and then reload my collection view, but it is not working. CollectionView not reloading after retrieving data from Firestore. You should read them. swift - A UICollectionViewController and (2) PhotoThumbnail. My code is as follows: super. dequeueReusableCell(withReuseIdentifier: cellId, for: indexPath) as! The view will not display any collection until one of the navigation buttons are selected or the page is refreshed using the swift refreshControl. Specifically, the cell does not resize dynamically. I have tried adding collectionView. myCollectionView addObserver:self forKeyPath:@"contentSize" options:NSKeyValueObservingOptionOld context:NULL]; I made a custom cell, and a UICollectionViewCell with the imageView embedding in another view (which is the outline) for the pic. viewDidLoad() navigationItem. If self. Instead of that, you just reload only that part which is necessary when action occurs. UICollectionView reloadData not working. bntxg zjmac cnxcw exqesd kvkr nzxga jmc behcfa wakvo obveg