Testing iOS 6 apps on device running iOS7

Question

I have an iPhone 4s. I receive iOS 7 update in my phone. So the question is: can I run iOS 6 apps from Xcode on my iOS 7 device?

NOTE: I haven\'t go

Answer 1

In my case, i changed Build Settings -> Build Options -> Compiler for C/C++/Objective-C to Default compiler then it's resolved.

Answer 2

Yes you can Run Your IOS 6 app in to IOS 7 but Sometimes its Graphics not Display Correctly or it Might be Crash in IOS 7 sometimes...

so Better you use Autolayout in your ios 6 app and run in your ios7 device..

Answer 3

  if ([self respondsToSelector:@selector(edgesForExtendedLayout)])
        self.edgesForExtendedLayout = UIRectEdgeNone; 

// iOS 7(x)

Answer 4

Yes, you can run iOS6 Apps from Xcode in your iOS7 device.

They will run in a compatibility mode which is suppose to be like running the app in a iOS6 device but in reality some stuff may not work as expected. I have experienced problems with rotations, UIAlerViews and other components from the SDK.

Answer 5

The mode in which apps run on iOS7 is determined by the Base SDK used to link the executable. If you link against the iOS 6 SDK (included with Xcode 4.6.3) your app will run under iOS 7 but look and behave like running under iOS 6.

Answer 6

This is what you need to do:

• close all Xcode apps
• run Xcode 5 and wait for the devices to be recognised
• run Xcode 4.6.3 at the same time
• close Xcode 5

source: http://gerrybeauregard.wordpress.com/2013/07/12/testing-xcode-4-ios-6-sdk-app-on-ios-7-device/