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SecKeychainRef ...; SecKeychainStatus status; err = SecKeychainGetStatus(keychain, &status); if(err == noErr) { if((err = SecKeychainUnlock(keychain, keychainPassword.size(), pass, pass != 0))) { throw unable to unlock keychain; } } else if(err == errSecNoSuchKeychain) { const char* pass = keychainPassword.empty() ? 0 : keychainPassword.c_str(); if((err = SecKeychainCreate(keychainPath.c_str(), keychainPassword.size(), pass, pass == 0, 0, &keychain))) { throw unable to create keychain; } k.reset(keychain); }I use a code like this to Unlock the keychain and create it if not exists, then I have a test case were several servers use the same keychain, and they could run this code concurrently if separate processes.In such case I see that SecKeychainGetStatus some times fails with error: 100022 description: UNIX[Invalid argument]. Could this be related to concurrent calls to SecKeychainUnlock/SecKeychainCreate on the same keychain?Any recomendations on how to handle this execenario in wich several

What is the Network Extension framework?Provides APIs for the app to extend the core networking feature for OS X and iOS.NEHotspotManagerNEVPNManagerNETunnelProviderNEFilterProviderContent Filtering - NEFilterProvider; filters network contentNEHotspotManagerUsed to create apps that connect to WiFi hotspotsCustom authentication for WiFi HotspotsRegister with the system as a Hotspot Helper- From the backgroundClaim hotspots with high level of confidencePerform initial authenticationHandles the authentication sessionAnnotate Wifi networks in the WiFi network scanner (Display WiFi networks in the iOS X network scanner with a little tag that displays something (your company name, for example) under the SSID name.)NEVPNManagerPersonal VPNConfigure and control the built-in IPSec client- Create a Personal VPN configuration- Supports IKEv1 and IKEv2- Configure Connect On Demand- Configure HTTP Proxies- Cooperates with Enterprise VPN configurationsIKEv2 protocol enhancements- Mobility across interfaces using MOBIKE- Fu

I'm developing an app that switches music using a MPMusicPlayerController.systemMusicPlayer() from the MPMedia framework. I need the song to change anywhere between 30 seconds and 1 minute for up to 100 minutes when the app is in the background. In the foreground of course everything works exactly how it should but in the background I can get the app to do this for about 3 minutes which seems to be the limit imposed on background tasks in iOS8. Is there a way to extend the allowable time that app can operate in the background?I'm currently using the following code to register the background task where background_task is of type :var background_task: UIBackgroundTaskIdentifier = UIBackgroundTaskInvalid func registerBackgroundTask() { println(Background task registered) background_task = UIApplication.sharedApplication().beginBackgroundTaskWithExpirationHandler { [unowned self] in self.endBackgroundTask() } }and then this ends it: func endBackgroundTask() { NSLog(Background task ended.) UIApplication.sharedAppl

Elected to unpair my watch from my phone running iOS 9 and, now, the watch is stuck at the booting screen with only one line filled inaround the radius. I've tried to reboot the watch several times with no change. Any ideas? Steps I took include the following-unpaired watch from phone--display showed unpairing occurring-display went black-continued to check to see if unpairing was occurring-Display remained black-performed two finger restart by holding down crown and side button--display shows apple logo followed by lines around radius.one line filled inhave contacted AppleCare and, due to beta software, they will not support the device at all.

If I download on-demand-resources during an app session, either calling endAccessingResources() or dealloc'ing the triggering NSBundleResourceRequest will mark the content as surplus to requirements, effectively. That content may be purged.I'm trying to understand when that would occur.WWDC'2015 session 214 discusses this at around 32minutes in. They say resource packs are only purged when the system is low on space. They also say that asset packs are selected for deletion based on the time of last usage and preservation priorities.I didn't hear anything about which apps are examined and in what order. Is it like memory, where the apps are ranked and examined based on highest consumption of apps not presently running first?Or is it just about the max 2GB of ODR data in use at any given time, so per app?

I am currently rewriting one of my apps in swift and the changes I am making to coredata are so significant that I want to completely wipe the previous model and replace it with a new one. I cannot find a walkthrough anywhere that shows how to do this. Any assistance will be appreciated. Thank you

Hi,My iPad app was approved yesterday morning (about 30 hours ago) and shows as Ready for Sale in iTunes Connect, yet it is still not available in the app store. I know this process can sometimes take a few hours but I don't think it should take this long.Should I keep waiting or is there something else I can do?

Hello, I am new to the Swift development world and would like to know what the best way (working sample code would be beneficial) to run a web service, particularly WSDL, and then parse the XML code for display? I've scoured the internet on examples of this, but there doesn't seem to be a whole lot of examples out there, and if there were, they were written in objective c.

Help!! I have been trying to resolve this issue for days now. Been to every forum. I'm getting this errordyld: Library not loaded: /Library/Frameworks/Vorbis.framework/Vorbis Referenced from: /private/var/mobile/Containers/Bundle/Application/ Reason: image not foundSo frustrated.... And yes I have tried embedded binaries, copy files, etc.Works fine on simulator, but this error pops up when I try to run it on device. (ipad iOS 8.3. Using latest xCode)