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Recent questions tagged IOS
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ios - Missing CFBundleIconName in Xcode9 iOS11 app release
I'm struggling to release a new version of our app using Xcode 9 built with iOS 11 SDK. Archiving and ... of help would be highly appreciated. See Question&Answers more detail:os...
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ios - MOV to Mp4 video conversion iPhone programmatically
I am developing media server for Play station 3 in iPhone. I came to know that PS3 doesn't support . ... .OR without any Thirdparty libraries? See Question&Answers more detail:os...
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ios - How to implement two inits with same content without code duplication in Swift?
Assume a class that is derived from UIView as follows: class MyView: UIView { var myImageView: UIImageView init( ... before super.init call" See Question&Answers more detail:os...
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ios - Dynamic size UICollectionView cell
1) How can i achieve as shown in image with UICollectionView? 2) I've tried -(CGSize)collectionView:( ... every cell Current output: . See Question&Answers more detail:os...
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ios - Disable swipe back gesture in Swift
Been looking around on here for a while but can't seem to find a working solution. I'm trying to disable ... or some other method that works? See Question&Answers more detail:os...
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Oct 17, 2021
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ios - How to draw radial gradients in a CALayer?
I know CAGradientLayer doesn't support radial gradient at the moment and only has option of kCAGradientLayerAxial. I want ... how to do it? See Question&Answers more detail:os...
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Oct 17, 2021
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ios - EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0) on dispatch_semaphore_dispose
I am getting EXC_BAD_INSTRUCTION (code=EXC_I386_INVOP, subcode=0x0) on dispatch_semaphore_dispose but don't really know how to ... }); }); See Question&Answers more detail:os...
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ios - Storyboards vs. the old XIB way
I am new to iOS and was wondering which is the best to learn. I have read some of the answers ... understand and will help with storyboards? See Question&Answers more detail:os...
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ios - single function to dismiss all open view controllers
I have an app which is a single view application. I have a navigation controller linked up to all child controllers ... achieve what I'm after? See Question&Answers more detail:os...
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Oct 17, 2021
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ios - table header view height is wrong when using auto layout, IB, and font sizes
I am trying to create a header view for my uiTableView (not a section header, I already have those.) I have ... I've made sense explaining this. See Question&Answers more detail:os...
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Oct 17, 2021
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ios - How to get UIScrollView vertical direction in Swift?
How can I get the scroll/swipe direction for up/down in a VC? I want to add a UIScrollView or something else ... if it was an up/down gesture. See Question&Answers more detail:os...
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Oct 17, 2021
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ios - How to merge two UIImages?
I am trying to merge two different images and create a new one. This is the way I would like to do: I have ... (B) that i took become stretched! See Question&Answers more detail:os...
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ios - Aligning right to left on UICollectionView
this is a pretty straightforward question, but I haven't been able to find a definitive answer to it on SO ... Any help is greatly appreciated! See Question&Answers more detail:os...
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Oct 17, 2021
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ios - PHP Apple Enhanced Push Notification read error response
In PHP, how do you use fread() to check if there is an error response when sending enhanced push ... -and-answer-your-own-questions/ See Question&Answers more detail:os...
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Oct 17, 2021
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ios - Get the current view controller from the app delegate
i am new to ios. I need to know the current view controller from app delegate.. i have no idea about this ... (modal is possible) need help. See Question&Answers more detail:os...
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ios - SwiftUI - How to pass EnvironmentObject into View Model?
I'm looking to create an EnvironmentObject that can be accessed by the View Model (not just the view). The ... the view model using SwiftUI? See Question&Answers more detail:os...
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Oct 17, 2021
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ios - Format UILabel with bullet points?
Is it possible to format the text in a UILabel to show a bullet point? If so, How can I do it? See Question&Answers more detail:os...
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Oct 17, 2021
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ios - Swift - How to hide back button in navigation item?
Right now I have two view controllers. My problem is I don't know how to hide the back button ... setHidesBackButton:YES animated:YES]; See Question&Answers more detail:os...
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ios - UICollectionView adding UICollectionCell
When I try to put UICollectionCell to UICollectionView in Interface Builder I can't put it with unknown reasons. The ... I don't use Storyboard See Question&Answers more detail:os...
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Oct 17, 2021
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ios - setNeedsLayout and setNeedsDisplay
What is the real difference between UIView methods setNeedsLayout and setNeedsDisplay? As usual documentation is foggy about this. See Question&Answers more detail:os...
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Oct 17, 2021
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ios - Refresh devices in team provisioning profile managed by Xcode 7?
It used to be that hitting the refresh arrow/loop button in preferences -> account would pull down a new provisioning ... add a device to it! See Question&Answers more detail:os...
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ios - Facebook SDK: app not registered as a URL Scheme
I am using the Facebook SDK found here, and am trying the sample that is provided (in the folder FacebookiOSSample) ... do I register my AppId? See Question&Answers more detail:os...
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Oct 17, 2021
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ios - How can I set the UINavigationbar with gradient color?
I want to set the UINavigationbar backgroundColor to a gradient color where I would like to set it via an array ... image of the navigation bar) See Question&Answers more detail:os...
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Oct 17, 2021
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ios - CoreData get distinct values of Attribute
I'm trying to setup my NSFetchRequest to core data to retrieve the unique values for a specific attribute in an ... just: John, Betty, Edward? See Question&Answers more detail:os...
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Oct 17, 2021
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249
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ios - When should translatesAutoresizingMaskIntoConstraints be set to true?
I've read the documentation. But I'm still not sure when I need to not set it to false. In the code below ... then leave to true. Is that right? See Question&Answers more detail:os...
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ios - How is the relation between UIView's clipsToBounds and CALayer's masksToBounds?
A UIView has a CALayer. That's pretty sure. But both seem to provide something that means the same thing. ... Why different names? Anyone knows? See Question&Answers more detail:os...
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Oct 17, 2021
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ios - Checking a null value in Objective-C that has been returned from a JSON string
I have a JSON object that is coming from a webserver. The log is something like this: { "status":"success" ... documentation to read up on this? See Question&Answers more detail:os...
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ios - Warning: Attempt to present * on * whose view is not in the window hierarchy - swift
I'm trying to present a ViewController if there is any saved data in the data model. But I get the ... found using Google without success. See Question&Answers more detail:os...
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