Uipickerview not showing data swift. I am using Xcode 8 & Swift 2.
Uipickerview not showing data swift. black var backgroundColor = UIColor.
The only information you should read from a view object is the information the user inputs. dataSource = (self as! UIPickerViewDataSource) doesn't work when I try to use func of UIPicker, this is my code: import UIKit Aug 21, 2022 · UIPickerView not working for IOS 15. 5 my code was working IOS 7. please check my code. e , (strblood) but not the other arrays Sep 14, 2015 · In My iOS app there is a table where some cells contain a UITextField and I would like when that UITextField is tapped then its UIPiCkerView is selected and, after the selection the UIPickerView sh It looks like one your conversions in didSelectRow is calling an index outside or the data's range, such as: let stringHeight = self. delegate = self buildPickers. I currently have the following simple code set up: Jan 25, 2018 · The default UIPickerView color for text is black. Aug 26, 2019 · The picker view does not showing data in container view @IBOutlet var txtfield: UITextField! var pickerView = UIPickerView() pickerView. If you set a UIPickerView height to anything else you will see the following in the console when debugging on an iOS device. (The plan is to later be able to display the information in each of the "options" in the same view. I've used print to make sure the pickerView methods are being called which they are and even using print to check the value of label and view and they are there. buildPickers. e. What I want to achieve is to read from "Time report" and display the "user names" as "options" in the UIpickerView (in the "dropdown menu"). Jul 9, 2011 · Here is the class i have created recently. here is my question . swift file and add below code in it Mar 17, 2023 · This in-depth tutorial will teach you how to use UIPickerView with Swift 5. Jun 21, 2018 · PickerView not showing any values. Each wheel — known as a component — has a series of indexed rows representing the selectable items. Or scroll up when at the top. The underscore before pickerview in the method signature I had removed before while trying different solutions over internet . 0. I'm using xcode7. SelectView consist of a label right now just so I first get the view to show up when someone clicks on a text field. Aug 31, 2017 · as i am not the swift guy, you can get the swift version of this method as pickerView(_:viewForRow:forComponent:reusing:) method to provide the content of component rows. When I dup the array I have data in it. withAlphaComponent(0. For now, I am getting a picker view with 4 rows (there are 4 objects in the Core Data entity). EDIT: An example of manually setting and getting of a selected row in a UIPickerView: the . Another problem with the code you posted is that it is creating loading a new copy of a view each time the picker asks for a view. count default: return 10 } } Aug 24, 2016 · You do not need to subclass UIPickerView (and in fact that is probably not a wise view to subclass anyhow). count case 2: return c. Connecting the Data. Thank you. Day(s). Jul 25, 2022 · We’ll demonstrate how to add UIPickerView to a Swift form to provide users with choice selections for each field. You can fix this by add a tag explicitly or change the selection bound value to String. reloadAllComponents() but my view appears with an empty pickerView, even though the dataSource and delegate are queried. Define this as global. Apr 22, 2019 · I tried to fetch data from json url and display in picker, it not displayed in first time in Swift. Currently the UIPickerView stops when the user has scrolled to the last data, but i want it no never stop. Normally when you click on a textfield you can make a PickerView come up which its parent is a UIView. If you want to do this by coding then you can try this. However when I select a new state it parses the XML and adds the data to the TableView Cell, but the previous selected state data does not clear from the TableViewCell. I couldnt find any Swift solution so thats w May 25, 2017 · I am using a UIPickerView (Swift 3) to filter my list based on their category. import UIKit class PickerVC: UIViewController ,UIPickerViewDelegate, Oct 15, 2021 · UIPickerView not showing the items. Ask Question Asked 5 years, 4 months ago. class ViewController: UIViewController{ @IBOutlet weak var myTableView: UITableView! @IBOutlet weak var statePicker: UIPickerView! May 23, 2016 · I'm trying to select a row of a picker view in Swift. Anything else should be stored in your model. May 5, 2021 · Changing data of UIPickerView Swift. hidden = true; buildText. It was a simple UIPickerVie Jan 8, 2018 · UIPickerView created programatically now showing any data. textField is connected to an object in the Dec 12, 2009 · Data from array is not showing up in the pickerView. Hot Network Questions Nov 18, 2017 · Sorry I got what you meant . I reverted it back. Feb 5, 2021 · SwiftUI's TextField does not have inputView property like as UITextField. Here is my code: func numberOfComponents(in pickerView: UIPickerView) -> Int { return Dec 4, 2018 · First of all check you pickerView DataSource and Delegate connected properly and then you can conditionally load data by comparing pickerView like below. setObject(exercises, forKey: "exercises") Oct 14, 2016 · I have a problem setting up a UIPickerView. The problem is this: When I put items in the picker I do it successfully and I can choose. If you want to show the inputView on other locations, you can implement a CustomView: UIView to replace the inputView, then you can show the view's location on your custom location. May 28, 2019 · I can't load data from Database to display the results of the UIPickerView. Swift 4. I have set it all up textbook, and I would like to change the font size, but: Changing the font size via attributedTitleForRow has no effect (although changing the color actually works) viewForRow never gets called. 6. Jul 18, 2019 · When I tap on the textField, the input area appear, but there's only 1 row, with blank content. I want it to be possible to start from the first data by just keep on scrolling when you're at the bottom. Showing UIPickerView with selected row. count case 1: return b. Feb 9, 2021 · Binding value not get updated and always stay at the default value of 0. I am new to iOS development and using swift language. UIPickerView shows up but does not load data. 0. I have already build UITableVIew and PickerView, and Using CoreDate now Oct 7, 2016 · An initial method to load data, UIPickerView not showing the items. var resultKeys = [String]() var resultValues = [String]() I don't agree. text = buildings[0] } Provided that you do get data from the URL (I did not verify that and I assume you do see the data in the print statement you have) you need to call reloadAllComponents on your pickerview for it to reload the data after the data is fetched. h> @interface ViewController : UIViewController <UIPickerViewDelegate, UIPickerViewDataSource> { UIPickerView *picker; NSMutableArray *source; } @property (nonatomic,retain) UIPickerView *picker; @property (nonatomic,retain) NSMutableArray *source; -(void)pressed; @end May 28, 2017 · How do I shrink the font size in a UIPickerView and adjust the picker view row height, if necessary? Thanks. func pickerView(pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) { // use the row to get the selected row from the picker view // using the row extract the value from your datasource (array[row]) } Dec 25, 2014 · pickerView in Swift does not display data. is the culprit. May 4, 2013 · Forgive me if this question has been discussed previously. In my application I am using Alamofire 2 networking library for calling rest api's. Let’s get started! Jump ahead: What is UIPickerView? What is the UIPickerViewDataSource protocol? What is the UIPickerViewDelegate protocol? Setting the row dimensions; Setting the row content; Responding to row selection Sep 26, 2016 · NOTE: I modified the "ViewController. 透過程式. Xcode 9. Load 7 more related I can not find much about this problem since I am new to iOS development and I am probably not searching for the correct thing. class ViewController: UIViewController, UIPickerViewDelegate, UIPickerViewDataSource { @IBOutlet weak var picker: UIPickerView! @IBOutlet weak var textPanel: UITextView! Dec 14, 2018 · If you want to do it from Interface Builder then you can add UIPickerView in your storyBoard and initially hide that UIPickerView and when your button tapped show it. The first 4 display a popup UIPickerView populated with data from a corresponding array. I test by fix array value UIPicker can load data in to pickerView but when I use array load json UIPickerViewDataSource cannot load into picker view Mar 19, 2018 · You can use UIPickerView as inputView for UITextField but with UITapGestureRecognizer and by keeping your UILabel, Define the following variables: var currencyPicker = UIPickerView() var textField : UITextField! And then add the gesture to the label in viewDidLoad: Jun 29, 2016 · I use the Xcode 8 and swift 2. import UIKit class ViewController: UIViewController, UITableViewDelegate,UITableViewDataSource,UIPickerViewDelegate,UIPickerViewDataSource { @IBOutlet weak var productPrice: UITextField! @IBOutlet weak var myPrice: UILabel! @IBOutlet weak var pickerView: UIPickerView! Mar 8, 2017 · I am trying to figure out how to show the selected row when i open UIPickerView after it has been selected last time. let UIPicker: UIPickerView = UIPickerView() UIPicker. dataSource = self buildPickers. 0 Swift 4. lol. UIPickerView pickerView Dec 27, 2018 · UIPickerView not showing the items. First make TextFieldWithInputView. Instead you need to have an object that implements the UIPickerViewDelegate protocol. Modified 8 years, 8 months ago. UIPickerView selection sends nil value to new Sep 3, 2016 · I have this View Controller (see code below) linked to a table view controller storyboard. Picker view is not showing array data. Hot Network Questions return 1 } func pickerView(pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {// Row count: rows equals array length. How the codes is? Jul 28, 2021 · 次に、ViewController. Pickerview content not Feb 24, 2018 · Add the information to my UIpickerView as "options" Show "options" in the app. Any help will be highly appreciated :). The function "SetDefaultValue" will position the pickerView on the desired string by finding the item position in the pickerData which is used to populate the picker view. var toolBar = UIToolbar() var picker = UIPickerView() Add below code inside your button tap action. 2 - PickerView not showing Content Dec 31, 2014 · UIPickerView not showing the items. I have tried the following snipped as this was taken from the example project of RxSwift directly, but no matter what I do no data is showing. 1 UIPickerView not displaying data Swift 3. First I thought I had made some mistake with my UIPickerView datasource and delegate. UIPickerView on Swift 3. struct ContentView: View {private var colors = ["Red", "Green", "Blue"] @State private var selectedColor = "Red" // <1> var body: some View {VStack Feb 23, 2015 · UIPickerView not Showing Data from array. Apr 29, 2019 · pickerView in Swift does not display data. PickerView. Sep 18, 2014 · func numberOfComponentsInPickerView(pickerView: UIPickerView) -> Int{ return 3 } func pickerView(pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int{ switch component { case 0: return a. This is my class: class StatePickerView : UIPickerView, UIPickerViewDelegate, UIPickerViewDataSource { Apr 30, 2015 · I am trying to learn how populate data into a UIPickerView programmatically instead of having the picker as an element on the main storyboard. Swift PickerViews issue. I'll include some code and an image. 2 - PickerView not Oct 8, 2016 · Details. 1. import UIKit class TextPicker: NSObject { var delegate: TextPickerDelegate? { didSet { textView. Ask Question Asked 8 years, 8 months ago. import UIKit class DropdownJSON: UIViewController, UIPickerViewDelegate, UIPickerViewDataSource, UITextFieldDelegate { @IBOutlet var dropdownTxt: UITextField! @IBOutlet var dropdownPV: UIPickerView! @IBOutlet var numberLbl: UILabel! Mar 8, 2017 · Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand Oct 31, 2014 · you will have to set the picker view delegate to self and override this function . 2, Swift 4. h file: #import <UIKit/UIKit. Because every time cellForRowAtIndexPath finishes your myCell will have reference to the last cell returned and not to the cell which is responsible for showing the pickerView. Oct 9, 2015 · You never add the pickerView as a subview of the ViewController, which you can do in viewDidLoad() since you're hiding it. return data. tag = 1 // here you have to use your pickerview self. 7 and Xcode 14. inputView = buildPickers buildText. Getting more idea of what I want by seeing below picture: I have tried below code Aug 16, 2011 · Since iOS 3. leftPickerView. In fact the delegate and datasource is not called since the "print" is never called. dataSource = self as? Jul 19, 2014 · I am attempting to create a UIPickerView programmatically and display it as the firstResponder of a textfield, however, the picker view is not showing up. Sep 13, 2015 · How do I change the font size. I predict that doing it that way is going to be too slow, and will make your picker view "stutter". incorrect array showing in UIPickerView. 2 - PickerView not showing Content. But You can use UITextfield and UIPickerView using UIViewRepresentable. Apr 5, 2019 · UIPickerView not Showing Data from array. If so, could you please show me a sample code is below Jun 14, 2019 · How to show plist data into UIPickerVIew using Swift iOS. standardUserDefaults(). There has been some updates to the language in Swift4. This is a different use of UIPickerView, because I'm rotating its components 90 degrees and having it scroll sideways instead of up and down. How to store your arrays using NSUserDefaults is pretty simple and I encourage you to try it. May 25, 2016 · Hello I am a new beginning for programming,i have search a lot of article but no one can answer my issue sohelp me. No display of value in SwiftUI I have a UIPickerview which represents countries and i am trying to get its data from MYSQL database but i couldnt handle the coming data from PHP file. Here's the app running showing what looks like an empty UIPickerView, but as you can see I've chosen to Delete an item. 先拉 @IBOutlet weak var PickerView: UIPickerView! Apr 7, 2017 · First, an illustration of what I currently have in my UIPickerView: I currently have 2 components in my UIPickerView. Hi all. I am practicing in a project so that when I get this d Jul 5, 2017 · I have 5 UITextFields in 1 view controller. You're using the picker views' tag property to decide which array is the data source for a given picker view, but you didn't set the tags initially. (I expect 3 rows: a,b and c) I changed the returned value in numberOfRowsInComponent and titleForRow Jun 12, 2019 · I'm trying to add a three-component Picker (UIPickerView) to a SwiftUI app (in a traditional UIKit app, the data source would return 3 from the numberOfComponents method), but I can't find an examp Oct 14, 2019 · I've tried pickerView. A picker view displays one or more wheels that the user manipulates to select items. h> @interface CustomPickerViewController : UIViewController <UIPickerViewDelegate, UIPickerViewDataSource> { NSMutableArray *arrayColors; } @property (strong, nonatomic) IBOutlet UIPickerView *kotaPicker; @end Apr 13, 2019 · Issue with contents of multiple pickerView's iOS swift. Viewed 297 times pickerView in Swift does not display Nov 11, 2022 · UIPickerView not showing the items. Swift Dictionary UIPickerView (key) and (value) Swift. The data source should represent just that: data. When debugging I see that my viewDidLoad is called, but the UiPickerViewDataSource and UIPickerViewDelegate functions are not called. In my picker view array data is not Jan 16, 2017 · I have made a UIPickerView and a UISearchController (which is in a UITableViewController) and both of which have no been showing the data from the arrays I made. dataSource = self tYear. Jul 27, 2017 · UIPickerView not displaying data Swift 3. blue var font = UIFont. class ElibraryViewController: UIViewController, UIPickerViewDelegate,UIPickerViewDataSource { @IBOutlet weak var txtTitle: UITextField! Mar 27, 2019 · The view is never not nil. Dec 13, 2014 · I have a another option may be it helpfull for you. Hot Network Questions Mar 16, 2017 · - Multiply picker views value and show it in a textview. count } else { return Sep 23, 2019 · First, no need to specify frames when using constraints. 0, and 216. inputView = pickerViewYear <----- Thread 1: Fatal error: Unexpectedly found nil while unwrapping an Optional value Dec 1, 2022 · Updated for Xcode 16. #import <UIKit/UIKit. Nov 1, 2017 · UIPickerView not displaying data Swift 3. The new entries in my code are surrounded by ** asterisks **. First, create and position a UIPickerView where you want it. They all point to use this code in the viewDidAppear: pickerview. 2011-09-14 10:06:56. 17. Aug 15, 2017 · Possible duplicate of Take data from Enum to show on UIPickerView Swift – MwcsMac. delegate = self as? UIPickerViewDelegate UIPicker. However the same code is working fine in a simple UIView app. But how to show the picker view on my Button. 0 Jul 4, 2015 · As Mundi says what you are doing should work, but probably not well. I'm creating my first picker menu. UIPickerView not Showing Data from array. I thought that I could base the row number per component on the index of the component, but when I run my app the UIPickerView displays only one single blank row and doesn't allow scrolling. picker view array row is will May 22, 2015 · As a universal rule, you should not use view objects to store data. when I implemented 3 picker views the data is showing only of the first picker view i. dataSource = self And your code will be: override func viewDidLoad() { super. I have found my own solution and answered below. Dec 2, 2018 · UIPickerView not showing the items. When I enter my data from the first field (enterSeason) and then tap on the second field (enterSport), the dataPicker still has the data from the previous field's array. So, whenever the user scrolls up/down then the user can show only two rows. Now that we’ve got the UIPickerView element in our storyboard and made it accessible from code, we can add the code to connect the data to it! Go to ViewController. 5 and code 13 UIPickerView not working as expected anymore. In Swift, I managed to select "name" value and display it into UIPickerView like below. iPhone UIPickerView not loading values. 2, UITextField supports the inputView property to assign a custom view to be used as a keyboard, which provides a way to display a UIPickerView: You could use the inputView property of the UITextField, probably combined with the inputAccessoryView property. This code creates one at the bottom of the screen: let picker = UIPickerView() picker Mar 28, 2019 · pickerView in Swift does not display data. The tag defaults to zero, so all four picker views are showing the same data. swift and make this class conform to the UIPickerViewDelegate and UIPickerViewDataSource protocols. 0 Pickerview content not showing up. UIPickerView not showing data Apr 13, 2017 · pickerView in Swift does not display data. I cannot find any solution related to this problem. I am using Xcode 8 & Swift 2. Is it possible to implement a UIPickerView horizontally in swift (picker view containing array has to also change to horizontally) without using any third party file. However when I run my code on simulator, selecting the picker, and then clicking off the text field, the text box stays empty. This was all working properly before the I upgraded to iOS 9 and Swift 2. When I spin the picker the section is displayed in the text fiel Jun 13, 2016 · because you used the textField's inputView, the textField's inputView is always showing on the bottom of the screen. However, behind it you can see that the UIPickerView seems to be empty. UIPickerView not displaying data. h. Dec 29, 2015 · Let's say I have a stream of dogs private var dogs: Observable<[Dogs]>. String Array as Data Source for Aug 5, 2015 · Just add this line in your viewDidLoad method:. 1. Ask Question Asked 9 years, 3 months ago. Hot Network Questions The answer is in the middle Sep 18, 2014 · SWIFT 5. ⭐ 方法 2. 2. header file. myCell = cell //The issue seems to be here. Trying a dictionary but am stuck on something that is probably pretty simple, I have a Mar 20, 2019 · MagazzinoModUIPicker not show data @Dharmesh – riki. Mar 7, 2018 · I'm using UIPickerView for gender selection. swift: import UIKit class ViewController: UIViewController, **BooksClassDelegate** { @IBOutlet var bookPickerView: UIPickerView! @IBOutlet var chapterPickerView: UIPickerView! Sep 11, 2020 · Anyway, I tried to make a UIPickerView and the program runs successfully, but only two horizontal gray lines show up. self. Mar 6, 2019 · I have three text fields for which I am showing the same pickerview as drop down for choosing the values. Can anyone either guide me in Apr 9, 2019 · awesome, i was able to fix the issue. I was tired and did not notice the dup. Such questions can be located at : UIPickerView selectRow doesn't works. Swift: UIpickerView returning numbers on UIlabel. rightPickerView. pickerView(inputAccessoryViewFor: self) } } fileprivate let pickerView = UIPickerView() fileprivate var textView = UITextField() fileprivate weak var parentViewController: UIViewController? Aug 14, 2018 · pickerView in Swift does not display data. 180 DebugHarness[1717:707] -[UIPickerView setFrame:]: invalid height value 300. This is a school project and is not due till Tuesday, but I am hoping I can fix these small (hopefully bugs). swiftにプログラムを書いていきます。 最初に先ほど作成したUIパーツを @IBOutlet var を用いて変数として宣言しておきます。 // ViewControllerクラスの中に記述 @IBOutlet var foodPickerView : UIPickerView ! Feb 22, 2009 · Also there are 3 valid heights for UIDatePicker (and UIPickerView) 162. Now follow this step : - you can use method of viewForRow like this Mar 13, 2019 · multiple picker views are not showing the data in the picker view in swift 4, I already read many tutorials but no one solve my problem please check and answer me. import UIKit class CustomPickerView:NSObject,UIPickerViewDelegate,UIPickerViewDataSource{ //Theme colors var itemTextColor = UIColor. Apr 23, 2018 · In other words it seems your simply struggling with the modelling of your data. When I open my PickerView again, I want my UIPickerView to set selected row which I choose at last time. swift" and "BooksClass. Fast KIT to use UIPickerView. text = numbers[row] in the didSelectRow delegate method won't be enough, that leads to -as you mentioned in your question- to read only the value of the first component. I have the relevant functions to JUST display the data in my picker here, the picker is being added to the view when the relevant function is called, but it is blank. ViewController. Thanks a lot in advance. tag = 2 // here you have to use your pickerview Mar 27, 2016 · I wanted to create a separate data source class for UIPickerView like this: class PickerData : NSObject, UIPickerViewDataSource { // class definition goes here var pickerDataSource = ["Whi Jun 11, 2015 · I am trying to populate an UIPickerView with Core Data objects in a Swift app. Within this object you would implement the method Jun 29, 2015 · UIPickerView not showing data. and that it "Calling this method causes the picker view to query the delegate for new data for all components" very cool. delegate = self pickerView. So the condition is that I have 5 values in an array with values red, blue, green, yellow, Mar 27, 2017 · Parse JSON Data to UIPickerView in Swift. PickerView for multiple text fields is just showing one Array. 1 and swift 2 on iOS 9. I will show the latter solution. 0 Since i updated to macOS Monterrey 12. swift" files. But I have a feeling its not elegant: I also made Stock a struct. Sep 5, 2015 · EDIT: thanks to the two contributors below, the comments show what i did to make it work. I did everything on mind and did my research how to do it. I would think something like the below might help you in the right direction: struct Account { var number: Int var tasks: [Task] var description: String { return "\(number)" } } struct Task { var number: Int // or JLNumber, or whatever you want to call it var UIPickerView not displaying data Swift 3. pickerView in Swift does not display data. 2 - PickerView not showing Content Picker view is not showing array data. Mar 9, 2023 · Swift UIPickerView 的基本使用 一、UIPickerView的使用和介绍. in the pickerView i have to scroll up and down few times for the other var to show. Any ideas of what I am doing wrong? Good to know: - I have a separate swift file specifically made for my cell - I have connected the cell with a cell identifier - This is not my main view The data source of a UIPicker View object must adopt this protocol to mediate between the picker view object and your app’s data model for that picker view. I'm a newbie. Hot Network Questions Jun 27, 2017 · 1. I have a corollary question. Aug 15, 2017 at 20:45. I get the actual table view showing but not my custom cell. Jul 26, 2018 · The default scroll setting for a UIPickerView is set to vertical. Line 1 below is what you want to modify. You used the word "display", but display is very much the role of the view, not the model. Dec 1, 2016 · UIPickerView not showing the items. 0 pinned to 216. UIPickerView not returning the correct row that the user has selected. Mar 22, 2017 · Actually, I want to show only two rows in UIPickerView with more than 2 data. Each row displays a string or view so that the user can identify the item on that row. All of my dataSource functions are set up correctly to the best of my knowledge, and I now am stuck on attempting to save a Formula object. after appending all components to pickCityOptions array i call "reloadAllComponents" to update uipickerview. These views also now default to a width of 320 points on all devices, instead of to the device width on iPhone. heightToInches let IntHeight = Int(stringHeight[row]) Make sure this is safely wrapped in an if statement or use guard to make sure it exists. one more thing, when i change from lets say hosp UITextField to the team UITextField, the pickerView does not refresh and shows the hops options, but, i'm still able to select another team (hopefully i'm explaining myself). Do all work that need for normal picker view : for more help UIPickerView make in Swift iOS. If the purpose of the data is to form part of a mathematical expression, it should be stored in a way that reflects that purpose. Dec 22, 2011 · Thanks for pointing me in the right direction. UIPickerView not displaying data Swift 3. var exercises = ["A","B","C"] NSUserDefaults. Sep 26, 2014 · I'm currently developing an app using Swift where I use a UIPickerView, see below for image. delegate . The idea of my code is the UIPickerView replaces the keyboard (inputView). 5) var toolBarColor = UIColor. I know there are other questions like this but they all have the same answers which doesn't work for me. black var backgroundColor = UIColor. Let the auto-layout engine do the work for you. Errors with UIPickerView. selectRow(3, inComponent: 0, animated: true) Jan 27, 2015 · If you wanted to show data to a picker view, use declare 2 arrays as properties instead. And you are encouraged to use built-in Codable (no dependencies at all) and drop SwiftyJSON Dec 1, 2022 · Updated for Xcode 16. They display data to the user, and sometimes collect input from the user. inputAccessoryView = delegate?. Nov 26, 2018 · Snapshot of UIPickerView Which Seems to Be Empty. will change it in the questions also. 3, but I met a problem the UIPickerView. func numberOfComponents(in pickerView: UIPickerView) -> Int { return 1 } func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int { if pickerView == YOUR_FIRST_PICKER { return fruit. viewDidLoad() buildPickers = UIPickerView() buildPickers. 0, 180. count } func pickerView(pickerView: UIPickerView Dec 17, 2021 · dataSource . Sep 22, 2015 · As you can see, the action sheet is not being populated with the array values. swift. UIPickerView showing empty grey box Swift. The problem is, it is not showing selection separators. Then when you unhide it your view should be there Sep 9, 2017 · Because the picker view contains more than one component, implementing label. My "picker2" pickerview does not show data from "modelArray" array. Here is the basic code that loads the items in the UIPickerView i'm using web service to update components of uipickerview . My code below is not working. func pickerView(pickerView: UIPickerView, attributedTitleForRow row: Int, forComponent compo I'm trying to make a single UIPickerView with 2 components, each with a different amount of rows. At all. class ViewController: UIViewController { //MARK: Properties @IBOutlet weak var layoutLengthPicker: UIPickerView! @IBOutlet weak var layoutWidthPicker: UIPickerView! @IBOutlet weak var trackPicker: UIPickerView! Jan 6, 2016 · I'm almost new in Swift and I'm having troubles with the UIPickerView. UIPickerView是一个选择器控件,它比UIDatePicker更加通用,它可以生成单列的选择器,也可生成多列的选择器,而且开发者完全可以自定义选择项的外观,因此用法非常灵活。 May 18, 2017 · UIPickerView not displaying data Swift 3. Learn how to use a Picker and add it to a SwiftUI view now. May 28, 2019 · The spinning, barrel-shaped picker view has been a hallmark component of iOS since the first iPhone, and it doesn’t take much work for you to use in your own apps. 1 UIPickerView not Showing Data from array. Pickerview content not showing up. The data source provides the picker view with the number of components, and the number of rows in each component, for displaying the picker view data. i posted this as Swift and ObjC are much similar in understanding – Jun 10, 2022 · This is the Plist Data Which I want to show in UIPickerView, Basically I want two picker view and two labels 1) UIpickerview will show Occupancy Code 2) UIPickerView will should show Description of Occupancy this two picker are connected to each other, suppose if I select any Occupancy code then in second picker as per that occupancy code value Nov 17, 2017 · Problem : As somebody mentioned in answer above . . Can I somehow associate the value with the name in the NSArray while not displaying it. Its in swift 4. Modified 5 years, 4 months ago. Now I want to populate uipickerview dynamically, I am calling Nov 14, 2019 · First, you can set a tag on your picker view in viewDidLoad like this. Swift PickerView shows nothing, no action no list UIPickerView not displaying data Swift 3. Second, constraints can all be set in viewDidLoad()-- you don't need anything in viewWillLayoutSubviews(). Is there any way in Swift? Jun 1, 2019 · Apart from the fact that the JSON is not JSON the value for key data is invalid because a dictionary (no, it's not an array) must have unique keys. systemFont(ofSize: 16 Dec 15, 2010 · I have a uipickerview which is used to displays names in a uitextfield, any ideas on how I would pass a value that is hidden from the user into a variable. But no success. Jun 12, 2015 · When I perform a manual segue to show this view controller as a popover, the popover is empty. Mar 20, 2019 at 8:44. 3 and targeting iOS 8+. UIPickerView not showing the items. DropdownJSON. Jul 6, 2017 · In this I try to load picker view with data but not able to load data and it is showing as shown in below image that only empty picker view is displaying i was trying from a long time can any one h Jun 3, 2018 · However, when I click the Textfield, the PickerView doesn't display data. Add a comment | 2 Answers Sorted by: Reset to Apr 29, 2014 · UIPickerView not showing data correctly (Only Show "?") 0. SwiftUI’s Picker view manages to combine UIPickerView, UISegmentedControl, and UITableView in one, while also adapting to other styles on other operating systems. Just write one line and you picker will be on display. I ran the debugger and it is setting the activeDataArray var to the new value but the array populated in the picker does not change. As soon as the user enters data, read that data and save it in Aug 11, 2017 · I am trying to save a selected row from a custom UIPickerView loaded with data from an NSFetchRequest in CoreData. But no data shown in pickerview at all. Fatal Error: Index out of Range / UIPickerView /Array/ Swift. " May 29, 2023 · 4. Both methods in this protocol are UIPickerView not showing the items. 0 Picker view is not showing array data. I have a problem displaying data in UIPickerView, it just display question mark "?". selectRow(selectedRow, inComponent: 0, animated: false) which actually let me display the right item but whatever is displayed is not picked up by pickerView(_ pickerView: UIPickerView, didSelectRow row: Int, inComponent component: Int) Here's how I build my picker: Nov 30, 2015 · "UIPickerView and UIDatePicker are now resizable and adaptive—previously, these views would enforce a default size even if you attempted to resize them. Swift PickerView shows nothing, no action no list. May 18, 2017 · try this code. orange. Ok great to see there's a class method for it. Every time a new value is produced my block is called where I create a new dataSource and delegate for my UIPickerView and then within the block I call pickerView. 2. I would the first component to not show until row 3 of the second component is selected, i.
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