Swift tableview reloaddata not working. How can I change header height on orientation change? P.

Swift tableview reloaddata not working Dec 24, 2008 · It's just the reloadData that isn't working because the UITableView has no rows even after the reload call. reloadData() }) Still nothing. reloadData() nothing happens ! I did some research and also tried this method: dispatch_async(dispatch_get_main_queue(), { -> Void in self. reloadData() gContactViewController!. reloadData() doesn't work ! The code is as below: import UIKit class ViewController: UIViewController { var names:[String]=[] @IBOutlet weak var tableView: UITableView! I am trying to get my table view to update when I add a new cell to my SQLite Table. In first time everything working. but not call cellForRowAtIndexPath. Any help would be great, thanks. SWIFT Data in Table View not showing. Actually I'm using tableView. What tableView reloadData doesn't work, delegate methods. Maybe you are calling `reload ()` in non-main thread, or you may be calling `reload ()` for another table view, or Nov 25, 2015 · dispatch_async(dispatch_get_main_queue(), { -> Void in //gContactViewController?. Jul 19, 2016 · here is the code I use to refresh a tableview when I click a delete button on my custom tableview cell by using notificationcenter and tableview. The cell label still shows "Download in progress". When I click the swipe button, everything works perfect on web servers, but tableView doesn't get update. The first load works perfectly but after the app crashes. Issue is that when I make some changes in Dictionary, re-populate the Array accordingly and Apr 20, 2015 · If I'm managing getting the data inside TableViewController, everything works perfectly, but as I want to move logic outside VC, when I'm triggering reloadData() from outside VC it is not calling cellForRowAtIndexPath and I data is not visible in the table. The function does not reload the cellForRowAt. reloadData is not calling cellForRowAtIndexPath. You couldn't manually call this method. I tried to add an observer but its not working. Please see Apple Documentation Creating and Configuring a Table View. Nov 30, 2017 · I have a tableView that displays an array of stored NSUserDefaults. The code basically builds a orders array. Yahoo has a nice stock price API. But when I comeback to previous page, open tableview again then click download button I can not update tableview. 59 Jul 19, 2016 · here is the code I use to refresh a tableview when I click a delete button on my custom tableview cell by using notificationcenter and tableview. S delegate has been set. contactTableView. tableView. Here is my cellForRowAt. Jan 8, 2018 · Can anyone help me? I'm using a tableView and trying to fill it with values entered by user using a Bar Button item, but whenever I click on save alert action, self. Modified 9 years, 5 months ago. reloadData() }) 然后真的可以了，正常，立刻，及时的刷新数据，页面上的联系人保持最新的值。 Dec 24, 2008 · It's just the reloadData that isn't working because the UITableView has no rows even after the reload call. Some Aug 16, 2016 · Taken from tableView reloadData does not work. reloadData() does not affect the method heightForHeaderInSection. reloadData() self. myRefreshControl. reloadData() doesn't work ! The code is as below: import UIKit class ViewController: UIViewController { var names:[String]=[] @IBOutlet weak var tableView: UITableView! Oct 29, 2015 · You have to create a variable with link to tableView and create it before viewWillAppear. 4 seconds (current code) and I never see the table cell's textLabel updated. – Artem Sknlnv Commented Apr 7, 2018 at 10:39 Nov 20, 2015 · 在别处UITableViewDataSource中，更新了TableView的数据 但是页面显示缺没变化 需要让UI显示知道数据变化，刷新显示 搜： swift reload tableview data 参考： ios - self. Reloading tableview data from custom cell. I am trying to refresh a tableView using table. I tried google the similar problem in stackoverflow and found similar question, but the provided solution not working for me. Swift - reloadData() doesn't work. 59 Dec 10, 2015 · I'm trying to insert a default record into my core data entity while the tableview first-time loaded and checked there's no data in the entity. Oct 9, 2014 · DispatchQueue. async {} it say's UITableView. Feb 3, 2018 · self. Scrolling the tableview to get the cell out of screen and back refreshes the cell correctly. Aug 31, 2020 · Note1: for tableview. The cell will show after reopening the app. NSIndexPath *indexPath = [NSIndexPath indexPathForRow:linePos inSection:chapterPos]; [self. No data is showing up in my Feb 6, 2017 · This type of problem normally occurs when you have not reloaded your tableViews , i. reloadData() method to refresh the table view and display the updated data. reloadData() not working in Swift - Stack Overflow ios - reload cell data in table view May 4, 2015 · Pull to Refresh Table View. Swift tableView. Jun 7, 2018 · @TomE the data source is from core data, is well connected, when I go back again in the view a second time the data is showed, when I don't use DispatchQueue. I have a tableView with different heights for the header in the sections. func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { let cell = tableView. API Call. Modified 9 years, 9 months ago. Sep 10, 2015 · Connecting TableView within ViewController - self. I call the reloadData function at the end of the function setupArrays. reloadData() in SWIFT 3. reloadData ()". If you just want the code, here it is: PullToUpdateDemo on GitHub or [zip][3]. Plain) tableView. ios – UITableView reloadData not working properly – Stack Overflow. delegate = self and self. You are calling that method every time the view appears and adding the new records to the OrdersByCutomer array. Apr 7, 2017 · The issue has to do with the getOrdersByCustomer(). When the orientation changes I want to update the height for the headers. reloadData() at this point to refresh the download status to "Download Complete" but reloadData() not working in this scenario. iOS: tableView. reloadData() and still not I am trying to reload the tableview after UIBarbutton is clicked to save a multi line text in UserDefaults. Hot Network Questions Nov 26, 2014 · @MatthiasBauch I think it's related to how in interface builder/storyboard, you may or may not have connected the UI element to the property in source code, hence the '?' optional requirement, otherwise, probably that is Swift's way of working with Interface Builder vs Objective C. reloadData() } But problem is Keyboard is not showing when I've added dynamicFormTable. Any ideas why? Jan 12, 2015 · iOS: tableView. Using this method it will bring update the table view and reflect the data in the UI. However you are not emptying the array each time so the first time you will see the initial "ten" records then the next time you will see "21" records with your newly added record being at the end. g. collectionTableView!. deleteRows(at: [IndexPath. Plain) var Person_data = [Person]() override func viewDidLoad() { super. I created tableViewCell outlets for all the fixed cells and then added and removed the checkmarks that way. reloadData is not updating the table. addSubview(tableView) cal to the code that sould make the scroll Feb 14, 2018 · iOS: tableView. save() method. 1. You need to tell it to re-fetch based on the new predicate: _fetchedResultsController = nil self. that's why it's not called. e your Data Source method cellForRowAtIndexPath is not populate tableview elements . Note2: tableview render tableViewCell once and I try to call tableview. I don't think he's actually seeing rows, the value "20" he mentions is from a console print() before he actually tries to reload the table for the first time. 0 Mar 20, 2017 · Swift - ReloadData does not work. in that case please provide the code to populate your tableView Apr 8, 2018 · The only problem is that I can't call tableView. I have a view controller I store objects using core data, and then a second view controller in which I load up the same objects. The fetched results controller does not work this way. Problem is, the UI is not updating after each loop, but only after the last loop of the cycle and everything is done. Swift: UITableView does not update data properly using reload() 0. Whenever I select, the method is not getting called below - any idea why? My project structure is: View Cont Sep 26, 2015 · I'm working now on my first app ever, which is a StopWatch. I am trying to reload the tableview after UIBarbutton is clicked to save a multi line text in UserDefaults. And, unless you call reloadData() at some other point in the program, it will not refresh itself. reloadData() } } before viewDidiLoad and call this function inside viewDidLoad, but and this did not bring result. perform to reload the table view in the proper thread Nov 5, 2017 · You should learn more about table view & how it works. reloaddata (). . dataSource = self See this question for someone with a similar Sep 18, 2014 · When I dismiss a modal view controller I want the tableview to update, I am using the form sheet presentation style on iPad so the viewWillAppear and the viewDidAppear methods will not work Apr 16, 2019 · I'm trying to reload the data of my TableView, which reloads successfully when the app launches but does not during the run time of the application. resume() } } When my UITableViewController executed first of all will implement func tableView and he will return zero count cause getData() didn't run yet and of course second tableView who returning my Cell will not implement. Please let me know how to resolve it. 0. When the search text is changed, I call tableView. Aug 21, 2016 · I'm dynamically creating a UITableView and populating it with an Array, which is populated my a Dictionary. reloadData() in viewDidLoad, viewDidAppear, and viewWillAppear; I have also tried creating a timer that calls the reloadData every . reloadData() and still not Apr 12, 2021 · I also tried to remove all connections from the tableview also on the storyboard and add them again, also delegate and datasource, but it is still not working. I know the table works because if I change the numberOfRowsInSection to return 10 then I get 10 rows of "Row 0", "Row 1" etc. I am using tableview. dataSource = self tableView. reloadData() and check this method is called. reloadData() isn't work in Feb 5, 2017 · I am new to Swift, I'm trying to reload my table view after updating data in Swift but it doesn't seems to work. reloadData() from the background thread, so I tried to do this: // after printing the count, I did this: DispatchQueue. 0, Xcode 7, and Alamofire 3. count array. Now I thought that the view would be reloaded with "tableView. Saving also works wonderfully, but the problem is that the newly created name only appears in the list when the app is restarted. Jul 27, 2015 · Swift - tableView. Swift: How to reload new content (eg. When I type something that time reload action will work but when I delete some later that time reload action not working. reloadData() not working I mean it doesn't call calls cellForRowAtIndexPath I've already printed and set a breakpoint on the method cellForRowAtIndexPath. When I launch the app I get blank cells. How to reload tableview using view controller (swift) 0. Feb 12, 2015 · The success block is most likely running on the main thread anyway as the showTrips seems to be called on the main thread. dataSource Jul 24, 2017 · I'm using "Accept"swipe action. search button is working fine which is right na but whenever i am clicking cancel button it is show Aug 16, 2018 · //This will be parent class that will handle all table methods, so you need to write only once the delegates and stuffs class MyCommonTableController: UITableViewController { var infoList = [String]() // MARK: - TableView Delegate and Datsource Impl override func numberOfSections(in tableView: UITableView) -> Int { return 1 } override func Apr 24, 2021 · Basically, all I need is to understand why the tableView. Here is the code: class ItineraryViewontroller: UITableViewController { . Sep 22, 2015 · I disagree. main. top, animated: true) Sep 3, 2016 · I'm working for the tableview with search bar. This is my code: func showAnswers(pos: Int, name: String){ Nov 30, 2017 · func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell { //use orders array to populate table cell } I am debugging someone else's code and It is horribly implemented. I tried the tableView. tableView. But I've noticed that calling tableView. reloadData() not working in Swift. endUpdates() I will not mark this as the right answer for a while since it is a work around and i still dont understand why reloadData() did not work. So, you can schedule your code after the next layout by using the main dispatch queue. reloadData() doesn't work in swift. reloadData() // causes UI to behave weirdly } then I tried to call viewContext. May 20, 2021 · If you press the "Done" button, the new entered name should appear in the TableView and be saved with CoreData. Dec 29, 2017 · UItableView method scrollToRow(at:at:animated:) Scrolls through the table view until a row identified by index path is at a particular location on the screen. tableView scrollToRowAtIndexPath:indexPath atScrollPosition:UITableViewScrollPositionTop animated:YES]; Even though I found the answer I don't know why it is working in iOS5 and not in iOS6. so , try with reload tableView like below . May 4, 2015 · I have add the alert view which let user to control that they can delete the all items in their database, but the table do not reload the data again. no matter the reloadData() in or out of the . Dec 4, 2017 · I am new to swift. async { [weak self] in self?. Mar 16, 2016 · So, I have trouble - can't reloadData of TableView, in command line I see good data - when I click button idMeet is changed, but in Simulator I don't see refresh table view after click on the butto Mar 15, 2015 · class NewsTableViewController: UITableViewController { @IBOutlet weak var authenticationButton: UIBarButtonItem! var blogPosts = [] override func viewDidLoad Aug 17, 2017 · The table does not display the updated array to return to the cell. 0. I'm adding results to an array and calling tableView. Your function reload_data is doing nothing more than reloading data buddy :) When you call reload data all the tableView delegates like number of rows in section,number of sections and cellForRowAtIndexPath gets called but all these methods return the value depending on the data Apr 5, 2019 · I already tried reloadData() but it does not work. reloadData() – Mar 9, 2015 · Swift – Table View reloadData not working after editing contents of cell. Mar 31, 2015 · It is a tableView inside a viewController. – Artem Sknlnv Commented Apr 7, 2018 at 10:39 Mar 31, 2019 · public func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int but it never reaches this function - public func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell Here is my viewcontroller code - Nov 20, 2015 · 在别处UITableViewDataSource中，更新了TableView的数据 但是页面显示缺没变化 需要让UI显示知道数据变化，刷新显示 搜： swift reload tableview data 参考： ios - self. Make sure that somewhere in viewDidLoad you have a line that looks like the following: self. – Oct 8, 2014 · Definition of the class: class ChatViewController: UIViewController, UITableViewDataSource, UITableViewDelegate, UITextViewDelegate the definition of the table view: var tableView: UITableView! in viewDidLoad: tableView = UITableView(frame: view. reloadData() Lastly make your UITableview class conform to the CustomCellUpdater protocol. Not able to reload data properly when retrieving objects from Parse. Thanks. Related. dispatch_async(dispatch_get_main_queue()) { self. 2. 1 Refresh TableView Content with UIRefreshControl . reloadData, Apr 26, 2017 · As explained in this answer, the reload of the UITableView happens on the next layout run (usually, when you return control to the run loop). tag dynamicFormTable. EDIT Feb 26, 2017 · Delegate function I am updating progress value and then calling tableView. The delegate calls a refresh method in the table view controller class which calls . scroll(to: . class ViewController3: UIViewController, UITableViewDataSource, UITableViewDelegate { private let tableView = UITableView(frame: CGRect(x: 10, y: 50, width: 200, height:600), style: UITableViewStyle. delegate = self view. No errors, no warning, nothing. I have tried putting self. reloadData() or any other function or method that controls the user interface from an async block or background queue, you must call it using dispatch_async using the main queue, e. I have a delegate method that gets called after a datasource update. Related questions. reloadData(). I am taking user input for cells through a custom alert view. Here is May 31, 2021 · I have two view controllers, one with a table view (first VC) and a second one that can be navigated to via a button in the navigation bar. I want to update the tableview cell which is in another view controller after the button is clicked and load the cell but its not working for me. Here is my code : Nov 15, 2020 · self. The data inserted just fine , but the reloadData() didn't work, after navigate to other view and navigate back to the view the data appears. reloadData() }) Oct 20, 2021 · Swift - tableView. Hot Network Questions Mar 31, 2019 · public func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int but it never reaches this function - public func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell Here is my viewcontroller code - Mar 17, 2016 · File download complete. The cell identifier is correctly set to "cell". reloadData() in getOnay function, but it doesn't work. tableView reloadData doesn't work, delegate methods. However, as of now, when I add a new cell to the SQLite Table and call reloadData , nothing updates or happens. Use. I managed to get this working some time ago but now it simply stopped working out of the blue. Please show enough code to reprocude the issue. I have a table view controller that needs to be updated through a delegate call. Unfortunately, he will not. and if it is called does tableview is in memory when this called. New to IOS development and am having trouble with handling cell selection on a table. Oct 1, 2016 · did you set an outlet to the tableview/use a tableviewcontroller? reloadData() reloads those rows, that are visible, during segue, there is no row visible yet. Feb 26, 2017 · Delegate function I am updating progress value and then calling tableView. This code works just fine in IOS8 - Swift but does NOT in IOS9 - Swift 2. Delegate and dataSource are set from the tableView to my viewController. automatic) self. self. Table View Reload: If you make any changes to the data source or need to update the table view, remember to call the tableView. try to set self. reload() into "viewDidApprear" - this HAS TO work. Here the method cellForRowAt is a data source of table view and it's get fired from tableview automatically when it's need to populate cell data. edit: added self. async { self. Its annoying me. However, even I call tableView. This particular part for inserting the laps into the tableview. reloadData()}) }). Dec 18, 2020 · I have a tableView which I am trying to populate from Firebase, but I have a problem with reloadData(),it does not refresh the table. beginUpdates() self. reloadData() does not reload table view in Swift. 2 UITableView reload data doesn't work. Aug 1, 2015 · When calling tableView. viewDidLoad() tableView. Oct 12, 2016 · OperationQueue. reloaddata(). reloadData to make cells about the search result. The second view controller is supposed to be able to add a Nov 27, 2015 · Or do it with delegates where you table view controller will be the delegate of the second view controller. reloadData() Jan 28, 2015 · iOS: tableView. if it's not working, there is some futher issue with your code. reloadData() Can anyone help me? I'm using a tableView and trying to fill it with values entered by user using a Bar Button item, but whenever I click on save alert action, self. All permissions have been given in the storyboard. reloadData() not working, possibly not being called on main thread. init(row: index!, section: 0)], with: . Mar 6, 2018 · The problem is that you store your new friends in the self. There is a chance when the completion handler is called this tableView object is deallocted. I'm working on an app, in which I'm calculating data in a loop and for each cycle I want to publish new section in tableview showing that calculated result. reloadData(), but it does not work. First we need a tableview backed up some API data that changes often. When I change tab and go back the tableView is reloaded but not automatically. Ask Question Asked 9 years, 5 months ago. What I'm trying to create a very simple todo list app in swift and when I call the reloadData method on my UITableView I get this error: "Unexpectedly found nil while implicitly unwrapping an Optio Now the problem is sometimes it working perfectly, but sometimes it showing blank tableview. bounds, style: . 9. I have done most of the functions but I faced a problem, which is that Swift 2 does not recognize vatiableTableView. How can I change header height on orientation change? P. Nov 25, 2015 · ios – self. My UITableView is embedded into my Main View Controller so that might be part of the issue. reloadData() anymore. addFriendsSection array, but the UITableViewDataSource methods like tableView(_:numberOfRowsInSection:) access the sections[section]. reloadData() to render cell again to update UI but it doesn't work. Ok so in light of no fixes forthcoming, I went and changed the tableView to static rather than dynamic. tableView reloadData]; [self. Hot Network Questions Jan 3, 2018 · self. Connecting TableView within ViewController - self. addOperation({ -> Void in self. Table view data not being displayed. Interestingly, when I press the swipe action button twice, it removes the row on the tableView. tView. reloadData() must be used from main thread only I believe you are missing a little point in here buddy :) Question 1 Why reloading tableView wont show new data ??. On trying to delete one of the rows, I am able to update the array of my stored defaults but this does not get reflected in the May 7, 2017 · When are you calling getRestaurantType() ? Could it be that it is called before the tableview's datasource is assigned ? That could make the tableview appear empty although the underlying data is present. reloadData() calls numberOfRowsInSection with correct data count. Share. reloadData() isn't work in swift. : dispatch_async(dispatch_get_main_queue(), { -> Void in self. I am using tableviewcontroller and using core data to display my searchresults. 10. array) every time the tableview appears? below is my code: Mar 31, 2015 · It is a tableView inside a viewController. Jan 7, 2015 · The problem arises when I try to reload the tableView: self. dequeueReusableCell(withIdentifier: "yourIdentifier", for: indexPath) as! YourTableViewCell cell. Ask Question Asked 9 years, 9 months ago. reloadData() not working in Swift – Stack Overflow. I have searched a bunch of other codes Apr 7, 2018 · I add func refreshUI() { DispatchQueue. dequeueReusableCell(withIdentifier: "custom") as! Jun 2, 2017 · I'm trying to reload my tableview While Typing data in UITextField. The data is being pulled and can confirm it is in the collectionsAndArrays object. reloadData() } Do this to update the UI on the main thread. reloadData() You need to call reloadData from the main thread. 0 reloadData() isn't work in swift. This tutorial has been updated for Swift 2. For example below. I have tried self. All requests to API work correctly, and I can see, that countries array is filled with needed countriesm before I call the tableView. There's no need to use reloadData after insertRowsAtIndexPaths and deleteRowsAtIndexPaths, but you need to make sure that the cells are inserted and removed with the correct indexes and only on the main thread: try to fill in the array with all indexes and make a single Feb 19, 2018 · func textFieldDidBeginEditing(_ textField: UITextField) { defaultIndex = textField. My tableview does not reload data even though I call tableview. reloadData() not working even though it seems in the right thread. delegate = self } In theory it should work. I have set the datasource and delegate and on initial load of the tableview, all works as expected. Anyway to do this The most common reason for reloadData not calling cellForRowAtIndexpath is that you either have not hooked up the datasource correctly, or you are not referencing the correct tableView. This is my code Apr 13, 2018 · Connecting TableView within ViewController - self. I could be misunderstanding, but I believe the app is crashing when the OP is calling reloadData(), because the table view is nil. I am trying to refresh my tableview but it is not working. Jun 23, 1997 · Incorrect cell height may result in cells not being visible. endRefreshing() } in the spot where you were calling reloadData and refreshControl. cvxz anrfy jxba iedl ggej qyw ploml pzla pcoegz gtdjrd qel ouhhg ocmp hbwc lytfzygz