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Questions tagged [xcode]

正规365体育投注 Xcode is Apple's integrated development environment (IDE). USAGE NOTE: Use this tag only for questions about the Xcode IDE itself, and not for general Mac or iOS programming topics. Use [cocoa] for Mac programming questions, and [cocoa-touch] or [iOS] or [Swift] for iOS programming questions.

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Xcode not working / Command Codesign failed with a nonzero e

So I’ve been using Xcode for a while and suddenly it fails to build any program. Even the simplest code doesn’t seem to work. I get the error with a nonzero exit code. Keep in my that I don’t do ...
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My App stops at eventStore.save and the event is not added

I'm developing an OS X app with Swift. If pressing the Add button and call the function "saveEvent()" on the screen for adding an event to the calendar, the error "unrecognized selector sent to ...
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7 views

Why the Alamofire compile errors?

To fix the errors Xcode flags, I figured I could fork the Alamofire repository and manually update the files on my machine, and then have my Xcode project's podfile file refer to my forked version of ...
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14 views

Where is pausesLocationUpdatesAutomatically defined for Swift 5?

I am writing an independent WatchOS App that uses CoreLocation. I want to ensure that location updates are never paused. Apple defines pausesLocationUpdatesAutomatically here, which is exactly what ...
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4answers
23 views

Swift: Call a method from ViewController1 after dismissing ViewController2

I'm currently building a homework tracking app where you can add courses in a TableView. In one ViewController, I have a list of courses that already exist. I also have a button that allows the user ...
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How to show custom banner over bottom of web view IOS [closed]

My goal is to show a small banner that stays at the bottom of the Webview. Whenever I try and add either a label or an image view I can't get it to show up over top of the Webview. I have tried ...
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8 views

How to link PhysX libraries with Xcode

I am new to c++. I am unaware with how to link the PhysX source to my own code. I keep getting "Px.h" or some other file missing. The files exist in their corresponding folders but Xcode can't find ...
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1answer
26 views

Variable binding in a condition requires an initializer-Swift

func viewWillAppear(_ animated: Bool) { super.viewWillAppear(animated) guard case let referenceImage == ARReferenceImage.referenceImages(inGroupNamed: "milk", bundle: nil) else { ...
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Physics body wont be created for my textures in SpriteKit

I am using Spritekit and I am adding .png photos from photoshop. I am trying to add a physics body to a texture but when the simulator runs the sprite node is stagnant and it gives me the error "...
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9 views

Anchor control button when moving the character in tile map?

I am working on a game where the character will be controled by a set of 4 buttons like in the old consoles. I used Tile Map in spritekit to create the map. Everything works fine (the players is ...
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Is there still a place for Swift Playgrounds in iOS/iPadOS/macOS development?

It's been a very long time since Apple has officially, much less prominently, encouraged the use of Playgrounds in professional app development. In the process of looking through older WWDC videos ...
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27 views

XCode: Is This An XCode Bug Or An AutoLayout/Storyboard Issue?

SHORT QUESTION: Is there a correlation between the "View As" functionality on the Storyboard in XCode and the way your App appears visually in the simulator? LONG QUESTION: I'm working on a Schedule ...
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2answers
34 views

issue passing data back to first view controller with delegate and protocol (Swift)

So what I'm trying to do is pass a String and an Int back from one ViewController (NewCellViewController) to the previous one (SecondScreenViewController) when I close it. I added a print statement in ...
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19 views

What am I doing wrong:Binary operator '==' cannot be applied to operands of type 'ARReferenceImage.Type' and 'Set<ARReferenceImage>?'

func viewWillAppear(_ animated: Bool){ super.viewWillAppear(animated) guard ARReferenceImage == ARReferenceImage.referenceImages(inGroupNamed: "milk", bundle: nil) else { fatalError("...
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About unwind segue

When I got to home viewcontroller with a faster route(a method I created to avoid signing in too many times.), the unwind works well in the setting page. When I sign in with firebase, when I get to ...

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