Top "Ios5.1" questions

The version of iOS (formerly iPhone OS) that was released by Apple on 7 Mar 2012.

build failed with: ld: duplicate symbol _OBJC_CLASS_$_Algebra5FirstViewController

I am getting this error suddenly when running my app via iPhone simulator: clang: error: linker command failed with exit …

objective-c ios xcode ios5.1
Is it possible to get the iOS 5.1 SDK for Xcode 4.2 on Snow Leopard?

I still have Snow Leopard. I have Xcode 4.2 for iOS development. This morning I upgraded my iPhone and iPad to …

xcode xcode4.2 osx-snow-leopard ios5.1
iOS 5 JSON Parsing Results in Cocoa Error 3840

I'm having a hard time parsing the below JSON string on iOS 5. {"States": [{"Name": "Arizona","Cities": [{"Name": "Phoenix"}]},{"Name": "California","…

ios xcode json ios5.1
iOS: Image get rotated 90 degree after saved as PNG representation data

I have researched enough to get this working but not able to fix it. After taking picture from camera as …

iphone uiimage image-rotation ios5.1 landscape-portrait
UISplitViewController: How force to show master popover in app launch? (portrait)

In an iPad App i'm using the UISplitViewController. I need to force to show the master popover when the app …

ipad ios5 uisplitviewcontroller portrait ios5.1
How to open preferences/settings with iOS 5.1?

Looks like iOS 5.1 has broken the standard URL encoding for navigating a user to a Preference. For example: [[UIApplication sharedApplication] …

iphone objective-c ios ipad ios5.1
Disable automatic screen lock in iOS 5.1

The following line of code prevents the app from automatically locking the screen after some idle time. [UIApplication sharedApplication].idleTimerDisabled = …

iphone ios ios5.1
Why UITextview does not have placeholder property like UITextField

Hi I am working with iPhone apps, I know the UITextfield has placeholder property. But UITextview doesn't have placeholder property. …

iphone ios objective-c ios5 ios5.1
iOS get Configuration Profiles that are installed

The app I am currently working on requires the use of Configuration Profiles in order to connect to a server …

iphone certificate keychain ios5 ios5.1
iOS 5.1 and Xcode 4.3.1 CodeSign Error

I just downloaded the iOS 5.1 and the Xcode 4.3.1. But when I'm going to test in my device, the Xcode give …

xcode ios5.1