Most voted "xcode" questions
Xcode is an integrated development environment and free software from Apple Inc. for project management created for iPhone, iPad, Mac, Apple Watch, and Apple TV
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answer77
viewsI can’t change the rootViewController
Hello, take it easy on me 'cause I’m a complete beginner. I’m trying to change the root of an application I’m trying to do. It even worked when I mentioned window!.rootViewController =…
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answer326
viewsImport a Pod function - Cocoapods Swift
I’m starting now with Swift (Xcode 7), I did the installation of cocoapods, but wanted to know how to import the functions that exist in the pod to a new project.
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answer29
viewsOverride returns secondary Viewcontroller error in Swift2
I’m getting this message below while trying to make a Swipe on a cell of a Tableview. Remembering that I am doing this in a viewcontroller file and not in a tableViewController. It is possible?…
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answer273
viewsDelete a Tableview + Coredata line
I am creating an application with tables and persistence with CoreData, but when I ask to erase a line the same does not disappear completely from the screen, leaving the symbol...disappearing only…
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answer70
viewsUicollectionviewcontroller 3 columns auto layout
I’m creating a Uicollectionviewcontroller with 2 or 3 columns, when using autolayout in some devices works perfectly but in others not, I did not find anything that speaks how to dynamize these…
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answers56
viewsHow to call a viewcontrolller Runtime
Friends I just need to open a Viewcontroller , and I’m jerking off, could help. Who can help .... Thank you. . LoginViewController *tela2 = [self.storyboard…
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answers64
viewsVariable does not appear as declared
Two issues: I do not understand what is the reason at each end of text seems a \n. I declared a variable name, and when I call the variable in the middle of the text it does not seem that it has not…
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answers81
viewsSwift: Fixed header on a Tableviewcontroller
My problem is this: my application has a screen that uses the Uitableviewcontroller layout. I created a header (View) for this screen, however, the header does not get fixed at the top of the…
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answer565
viewsHow to add image to Launchscreen.storyboard
It’s been a long time since I’ve been trying to add an image to Launchscreen.storyboard of an iOS app I’m developing. Text I can add and view while uploading the app, but I can’t see an image I…
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answers77
viewsProblems with prepareDesign method
I have a problem guys, I’m new to Swift, and I have a method that takes a result from a JSON and I wanted to store it in a local variable and then pass this variable to a viewcontroller by next,…
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answer60
viewsHow to convert Nsdata to URL
Friends I have an image recorded on Sqlite, read the image and put in a Nsdata variable Now I need to play this Nsdata but the component expects a URL NSURL *urlVideoFile = [NSURL…
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answers333
viewsHow to insert link on button
Good, how do I insert a link in a tried button below and it didn’t work. @IBAction func urlDisplay(_ sender: AnyObject) {…
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answer31
viewsSimulated Metrics Change in Xcode 8
With the change of Simulated Metrics which of the options below use?…
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answer58
viewsHow to enable the Macbook camera in the Simulator?
I’m making an APP on Xcode that uses the camera to make videos but I can’t use the camera through the Simulator. Is there any way to enable the camera for the Simulator?
xcodeasked 8 years, 12 months ago CristianCotrena 1,145 -
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answer39
viewsSwift does not arrow the text in Uitextfiled after upgraded to Swift 3
I updated the XCode for Swift 3 last week and he converted all my code to the version of Swift 3. After that I’m trying to set the text inside a UITextField and it doesn’t work. I’ve already redid…
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answers78
viewsPicture is stretched when I turn a page on Pageviewcontroller
Hello I’m new in Swift and I don’t understand why the image stretches when I turn a page using PageViewController as I will show in the image below: This picture is normal, it’s when I haven’t…
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answers29
viewsHow to test the application on Iphone? Xcode 8 beta
Good morning, I’m doing an application on Xcode 8 beta do not have license for developer (U$ 100), as I do to test on my iPhone ? You have some tips to facilitate my tests? Thank you.…
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answers28
viewsHelp with adjustsFontSizeToFitWidth?
When using adjustsFontSizeToFitWidth in the second outlet I get error. Does anyone know how to solve? Note: The second view controller is the first in the same class! import UIKit class…
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answer27
viewsMigration from Alamofire 2 to Alamofire 4. Extra Argument in call (Request)
When making requests to the server used the following code let URL = Foundation.URL(string: "http:....")! let mutableURLRequest = NSMutableURLRequest(url: URL) mutableURLRequest.httpMethod = "POST"…
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answer48
viewsJSON Object with Array. Migration from Swift 2 to Swift 3
Previously in my app when I made a call to the server and if there was an error I would do the following: Alamofire.request(mutableURLRequest).responseJSON{ response in if let JSON =…
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answer180
viewsForce running order Swift 3/Xcode 8 - Threads
Hello, I’m new to Swift and this week I came across a problem that is already making me pull my hair out! What happens is this, I divided in my application in several classes to make my code more…
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answer54
viewsHow to show a method description in Xcode auto-complete?
I am developing a Framework and I would like when the user type himself and auto-complete suggest the method, below/above appear for what it serves. Like this: I thought I just said that: /** *…
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answer51
viewsXcode update - loss of all simulators
I was with version 7 of Xcode and just updated to version 8.2.1 and all iOS simulators are gone. Is there any way I can make them appear again in the Xcode without having to download them all again?…
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answer52
viewsKeychain Sharing/Failed to create provisioning profile - Xcode
I have this error message when I try to create provisioning profile : Failed to create provisioning profile. There are no Devices Registered in your Account on the Developer website. Plug in and…
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answer24
viewsHow to enter a specific date in the Swift3 Calendar?
I need to enter a specific date in the Calendar, but I’m only able to add values based on the current date (maybe because when I do, I give a Calendar.Current). Someone knows how to enter (day,…
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answer494
viewsDatabase created with Core Data on Swift
I need to create an app that is a form with basic data (name, age, email, etc.) and that saves the data for access later, but that in addition to saving in the tableView, create the database file or…
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answer127
viewsHow to set maximum size of 2 textfields separately (Swift)
Next, I’m starting now with Swift and iOS programming. I have a question: how to validate 2 different textFields? For example, I managed with the code below to validate 1 single field, but the…
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answer132
viewsShare iOS texts
How do I share a text on social media on an iOS App on Swift 3? I have several Random Phrases in an array and if the person likes one I would like to let them share that phrase. How would the one…
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answers75
viewsHow to approach the vision of its location, and make it follow along a path?
please, I am new in the area and am creating an app that will count the distance, speed, calories spent and time by the user during a run/walk. the simulator is finding the location, but the screen…
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answer432
viewsOpen Viewcontroller iOS
How do I make the function below (when a navigation bar item is clicked) open another screen already created on Main.storyboard? @objc func infoTapped (sender:UIButton) { }…
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answer43
viewsAutologin sem firebase SWIFT3 IOS
I wanted to know how do I save the user information program and the same need not log in whenever minimize or close the app without using firebase.
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answer1138
viewsConverting String to date Swfit 3
Hello, I’m trying to convert a String in Date in Swift 3. However the date is always returning me with two hours more. Below is my code. let dateFormatter = DateFormatter() dateFormatter.dateFormat…
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answer359
viewsSwift: change place button according to the appearance of the keyboard
I’m making an app in Xcode and I would like the button, which is at the bottom of the screen, to move according to keyboard appearance. Thank you…
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answer246
viewsThread1: EXC_BAD_ACCESS (code=1,address=0x68)
I am having this problem in ide Xcode. On line 8 the warning appears Thread1: EXC_BAD_ACCESS (code=1,address=0x68) The file . txt is in the same folder as the main. void construir1(struct elemento…
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answer32
viewsCan I convert an xcodeworkspace to xcodeworkspace?
My project xcode was removed unexpectedly after a month because of a stupid mistake, and unfortunately I don’t have a backup. All I have is a file myprojectname.xcarchive, is possible somehow…
xcodeasked 7 years, 4 months ago user117327 -
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answers65
viewsError recovering data from firebase with Xcode
I am error to recover information from firebase, check the codes: From what I understood in the mistakes I am doing something wrong to recover the data, must be something with the data dictionary...…
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answer126
viewsProblem changing screens with Navigation Controller
I have a small problem, my App uses the Navigation Controller and a View controller, I have declared trails that bridge the gap between Cells. When running the app starts in Navigation Controller…
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answer280
viewsImage on IOS navigation bar button
I need to add two buttons in the navigation bar of my app, but what I need to use an external image (already imported to the project) it does not appear. override func viewDidLoad() {…
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answer66
viewsUpload app to Apple Store
I’m trying to upload an app to the apple store using Xcode 8, but I get the message that it’s no longer possible to upload to the apple store using Xcode 8. From what I searched, it’s possible to…
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answer59
viewsRemove menu navigation controller
As I remove this gray menu from my webview I think it’s something related to navigation controller n I’m sure…
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answer24
viewsBlack screen when simulating application in Xcode Iphone 7 PLUS
I’m trying to simulate my Ionic generated application on Xcode to take the printsscreens needed to submit for revision. When I select the iPhone 5/6 it opens normally, but when I select the iPhone 6…
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answer39
viewsI overwrote a follow in Swift, do I need to overwrite them all later?
I overwrote a few seconds to use a viewController, where it will be dynamic and receiving the content according to the clicked menu. But the other seconds that I did not put an "identifier" stopped…
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votes2
answers809
viewsHow to add IOS 12.2 simulator to Xcode 10.0?
I need to emulate the iphone with IOS 12.2 but my Xcode does not have this option. I saw that in Xcode 10.2 comes with IOS 12.2 but the company mac does not let install because it needs a newer…
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answer39
viewsProgrammatically create Entity and save to core data
Hi, I was wondering how do I save an Entity in core data programmatically. I tried the following procedure: Passing parameter MatchCoreData().createEntity(name: "Partidas123") Func creating the…
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answer89
viewsWhen trying to install app it hangs on the message "Preparing Debugger support for iPhone"
I can’t install my app on iPhone get stuck in this message: "Preparing Debugger support for iPhone" Illustrative image: I tried every answer to this question and nothing worked Following this…
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answer27
viewsHow to pass parameter in Nsarray in Nsurlsessiondownloadtask url
I am creating a Uitableview to load the bookmarks that are saved in Nsuserdefaults, the values are the Ids. ex. 34, 45, 55... I am creating the url and passing parameter through a Nsmutablearray.…
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answer137
viewsHow to get a unique device identifier from IOS
In the development to Android it is possible to define whether a smartphone is unique through your IMEI or MAC, and perhaps not the best way to identify only a mobile device, but works very well. On…
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answers202
viewsChange entire application font without changing the size (Swift)
Boas, I wanted to find a way to change the entire app font (Swift) into a few lines of code. Right now I have extension UILabel { var substituteFontName : String { get { return self.font.fontName }…
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answer325
viewsInput type file in webview - Xcode
I created a webview of a page that contains an input type file to upload photos, however, in Iphone webview, when I click the button to upload the photo, it opens a menu only with the option of…
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answer95
viewsShould I use tableview, collectionview or scrollview when dealing with vertical items that are different from each other in the Xcode?
Good night, I started learning Swift a short time ago and am trying to develop an app in Xcode. Today I found the following situation: I need to make a list of information in which it is possible to…