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Questions tagged [ios]

iOS is the mobile operating system running on the Apple iPhone, iPod touch, and iPad. Use this tag [ios] for questions related to programming on the iOS platform. Use the related tags [objective-c] and [swift] for issues specific to those programming languages.

224,300 questions with no upvoted or accepted answers
45 votes
2 answers
1k views

iOS SecTrustRef Always NULL

I'm trying to connect an iOS app to a Windows C# sever using TLS over TCP/IP. The TLS connection is using untrusted certificates created from an untrusted CA root certificate using the makecert ...
jussij's user avatar
  • 10.5k
42 votes
2 answers
2k views

AVPlayer frame animation

I am developing an application that includes functionality to play a video with per-frame animation. You can see an example of this functionality. I already tried to add CAKeyFrameAnimation to a ...
rkyr's user avatar
  • 3,191
40 votes
0 answers
8k views

iOS 13 - silent push notifications are no longer reliable

iOS 13 changes: Change 1: In iOS 13 Beta 6, a silent remote notification (AKA Background Notification) with priority 10 is no longer handled by the OS and dropped. This was documented in the past but ...
Segev's user avatar
  • 19.2k
39 votes
0 answers
4k views

secTaskDiagnoseEntitlements MISSING keychain entitlements: no stored taskRef found

In two applications which have WatchKit app extensions, I receive the following error in the device log more than ten times on startup. secTaskDiagnoseEntitlements MISSING keychain entitlements: no ...
Justin Domnitz's user avatar
38 votes
1 answer
1k views

iOS crash at CFAllocatedReferenceCountedObject

My app frequently crashes with the following information: 0 CFNetwork CFAllocatedReferenceCountedObject::_retainable_hash(void const*) 1 CoreFoundation _CFBasicHashFindBucket + 164 2 ...
Wancj's user avatar
  • 381
38 votes
2 answers
804 views

What causes visual glitches with Xcode 9's iOS Simulator and how can I fix them?

When running applications on the simulator with Xcode 9, I regularly experience a handful of visual glitches, which include red device identifier labels and content that duplicates itself and leaves ...
Tamás Sengel's user avatar
38 votes
1 answer
1k views

debugserver died with an exit status of 0x00000000

I was running an app on Xcode with the iPhone 6 stimulator using the latest iOS 10. And after some time the app crashed with the following message: debugserver died with an exit status of 0x00000000 ...
Chaudhry Talha's user avatar
36 votes
1 answer
2k views

How can I skip the first occurrence of a repeating UNCalendarNotificationTrigger?

Say today is a Monday and it's 1 PM. I want to schedule a weekly local notification from my iOS app starting today at 2 PM. I'd do this: NSDateComponents *components = [[[NSDateComponents alloc]init]...
Tom Hamming's user avatar
  • 10.8k
35 votes
1 answer
2k views

GoogleAnalytics.Property 'parameters' on Entity 'GAIHit' is using nil or an insecure NSValueTransformer

After updating the GoogleAnalytics pod, my app started crashing with the following error: CoreData: fault: One or more models in this application are using transformable properties with transformer ...
CanabaltVi's user avatar
35 votes
0 answers
3k views

Keyboard cannot present view controllers warning

When tapping the "Passwords" button at the top of the keyboard for login/password Autofill, this warning prints to the console log: Keyboard cannot present view controllers (attempted to present <...
M-P's user avatar
  • 4,949
35 votes
4 answers
3k views

Luma Key (create alpha mask from image) for iOS

I'm building an app that allows people to upload an image of themselves against a white background and the app will create a silhouette of the person. I'm having a hard time keying out the ...
Buyin Brian's user avatar
  • 2,951
33 votes
0 answers
2k views

Event Data Collected by Firebase Analytics DebugView Is Incomplete

I'm sending events to Firebase Analytics and find out that part of the event parameters is missing in DebugView. Below are two identical events sending to Firebase and I've checked that all the ...
Michael Revlis's user avatar
32 votes
0 answers
4k views

Add Xcode Developer Account from the Command Line

I am trying to use xcodebuild -allowProvisioningUpdates on a machine that I only have access via the command line (Azure Devops macOS Hosted Machine). Unfortunately, according to man xcodebuild in ...
Cosmin's user avatar
  • 2,878
32 votes
1 answer
460 views

STGenericIntentDateRange undefined in Xcode 7 Beta

I get the following message in the console when running my app after upgrading to the latest Xcode 7 Beta: objc[51750]: Class STGenericIntentDateRange is implemented in both /Applications/Xcode-beta....
Sidetalker's user avatar
32 votes
0 answers
684 views

Why does KIF UIView:dragFromPoint:toPoint not result in touchesEnded:withEvent being called on my view?

This question is about the iOS acceptance testing framework KIF. I have a test step which uses the KIF extension to UIView dragFromPoint:toPoint. I have a custom view class which implements ...
kennbrodhagen's user avatar

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