Recent questions tagged iOS

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ios - Does "let _ = ..." (let underscore equal) have any use in Swift?

Does using let _ = ... have any purpose at all? I've seen question and answers for What's the _ ... if there is something I am missing. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - My app is getting crashed on UIDocumentPickerViewController

I am working on file sharing on my iOS App, I am new to UIDocumentPickerViewController. I do not know why ... the same like the attachment below See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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333 views

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ios - Atos does not symbolicate system frameworks/libraries properly

The problem is that when symbolicating the stacktrace addresses reported by PLCrashReporter doesn't return the actual ... application lines!!! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - UITextField minimum fontsize

I'm using the property minimumFontSize textField.font = [UIFont boldSystemFontOfSize:17]; textField.textColor = [ ... this property wrong? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - What are Anchor and Passthrough used for in popover segues?

In Xcode, a Popover segue has two connection fields named Anchor and Passthrough. What are they used for? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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599 views

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ios - Cannot add a PrototypeCell to UITableView inside xib file

I am new in IOS. I want to create a UITableView in a xib file instead of my Main.storyboard. But the ... appreciated Here is the describe image See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Update the constant property of a constraint programmatically in Swift?

I want to animate an object, so I declare a constraint and add it to the view. I then update ... self.view.updateConstraints(myConstraint) }) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Swift 2.0 Sorting Array of Objects by Property

In Swift 2.0, how would you go about sorting an array of custom objects by a property? I know in Swift ... by the myDate property of MyObject. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - CLLocationManager on iPhone Simulator fails with kCLErrorDomain Code=0

CLLocationManager on iPhone Simulator is supposed to fake Cupertino (isn't it?) but it does NOT, it fails with ... . Can somebody help? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - How to get UIImage of AppIcon?

I am using Assets Catalog, and adding app icon of various size to the assets is okay. But when I tried ... in the directory someimage.imageset. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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350 views

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ios - UICollectionViewCell content wrong size on first load

I have a added a UICollectionView to my UIViewController and have made a custom cell for it. I set the size of the ... -> CGFloat { return 0 } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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ios - Submit in app purchase for review for first time

I am working on in app purchase. After submitting all the details in app purchase gives me status "Ready to ... help me. Thanks in advance. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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634 views

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ios - Update CGRectMake to CGRect in Swift 3 Automatically

Now that CGRectMake , CGPointMake, CGSizeMake, etc. has been removed in Swift 3.0, is there any way to ... to Current Swift Syntax... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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860 views

1 answer

ios - error: Unable to resolve build file: XCBCore.BuildFile

error: Unable to resolve build file: XCBCore.BuildFile (missingTargetProductReference(" ... ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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908 views

1 answer

ios - The entitlements in your app bundle signature do not match the ones that are contained in the provisioning profile

I have submitted many app builds to TestFlight, even yesterday, but today when I tried to submit my app ... no workarounds are required anymore. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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445 views

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ios - ERROR "swiftc failed with exit code 1" when converting to latest syntax

I was trying to convert syntax of old Swift project to new one as per few suggestion on Stack Overflow I tried ... it's a different situation. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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505 views

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ios - Cannot assign a value of type ViewController to a value of type UITextFieldDelegate?

Here's the error when I wrote the line self.MessageTextField.delegate = self: /ChatApp/ViewController.swift:27 ... messagesArray.count } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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302 views

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ios - How to set target and action for UIBarButtonItem at runtime

Tried this but only works for UIButton: [btn setTarget:self action:@selector(btnClicked:) forControlEvents:UIControlEventTouchUpInside]; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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311 views

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ios - Cannot verify client 3000

I am using xcode 7.1 and trying to upload my app to the app store directly through xcode. While uploading I ... this does not solve my problem. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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438 views

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ios - How to set UICollectionViewDelegateFlowLayout?

A UIViewController maintains a reference to a UICollectionView. The controller should modify the built ... , UICollectionViewDelegateFlowLayout> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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612 views

1 answer

ios - Get image name UIImagePickerController in Swift

I use UIImagePickerController to get image from phone library (iOS). After edit mode i put image to my UIImageView. I ... i have to save image ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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339 views

1 answer

ios - How can I programmatically set dataSource of UITableView?

I am having a strange problem. I am trying to assign a dataSource to a table programatically. I have created a ... XCode 6 beta 4 with Swift. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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266 views

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ios - iPhone: Sorting based on location

I have been working on an iPhone app, where-in i have list of users in a NSMutableArray like below. myMutableArray: ... ; } }]; Thank you! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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437 views

1 answer

ios - Uploading Multiple Images simultaneously with Google Firebase

I'm using Google Firebase in a Swift iOS project. I have a part of my app where the user selects more ... Thanks! All feedback is appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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455 views

1 answer

ios - Attempt to present ViewController whose view is not in the windows hierarchy

I meet a strange problem: I made 2 view controllers for wich I can switch the view with code: var ... switch AR view with SKScene. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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497 views

1 answer

ios - How do I draw a filled circle with OpenGL ES on iPhone?

How do I draw a filled circle with openGl on iPhone ? I've found many solutions but none of them work. ... s the method with shortest code ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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249 views

1 answer

ios - Error when using [FBSession openActiveSessionWithPublishPermissions: ..]

I'm updating an app to use the latest Facebook SDK in order to gain access to the iOS6 ... openActiveSessionWithPublishPermissions: ...] } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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373 views

1 answer

ios - How to add the parent path to RealmSwift.framework in the “Framework Search Paths” section?

This is step is listed in the instructions for installing Realm. link here: https://realm.io/docs/swift/latest/ ... script phase. xcode ver 6.4 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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