dyld: Symbol not found: _OBJC_CLASS_$_UIActivity [closed] - iphone

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Closed 9 years ago.
my iphone app runs in IOS 6.x but not on IOS 5. It crashes on IOS 5.x with the following message.
dyld: Symbol not found: _OBJC_CLASS_$_UIActivity

UIActivity class is available in iOS 6 and later .
Apple docs class reference

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iOS Simulator with 4 inch screen? [closed]

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.
Closed 10 years ago.
Now that the iPhone 5 has been announced with a 4" screen, when will we be able to test our apps on iOS simulator with a bigger display?
I spoke too soon!! Just downloaded the latest Xcode 4.5 GM version, and it has iPhone 4 inch device available
Probably in the next few days, if not today already.

iPhone Simulator: setting custom resolution for iPhone 5? [closed]

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.
Closed 10 years ago.
Is it possible to trick / hack iPhone Simulator in Xcode 4.4 for custom resolution to be able to start testing / developing application UI for new iPone 5 display (1136 x 640px)?
Or do we have to patiently wait for newer tools release?
Yes - solution http://0xced.blogspot.co.at/2012/08/prepare-your-apps-for-new-iphone.html

I need to fix memory leaks with TableView [closed]

This question is unlikely to help any future visitors; it is only relevant to a small geographic area, a specific moment in time, or an extraordinarily narrow situation that is not generally applicable to the worldwide audience of the internet. For help making this question more broadly applicable, visit the help center.
Closed 10 years ago.
These are the memory leaks that I am getting: http://twitter.com/AWEHOFFICIAL/status/221182174811004929/photo/1/large
If you open the righthand pane you should see a stacktrace of the leak, which will help you track it down. You might also attempt to profile with the debug version of your app, in order to get better symbol info. This can be achieved by modifying the project's scheme within Xcode.

UITextView on iOS 5 [closed]

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Closed 11 years ago.
I was testing an iphone application which I have created that uses a UITextView and I noticed that the Text on UITextView iOS 5 is not showing, I tried to change its color, still the same,
Any one have tried it
Issam

Three20 monotouch/btouch examples? [closed]

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Closed 11 years ago.
Does anyone know of any examples or tutorials working with the three20 btouch dll?
Update:
I've basically run btouch against the non-parser three20.cs in the trunk and taken the resulting dll and referenced it in my project.
I've then compiled the three20 stuff in XCode and taken the libThree20.a file and put it in my project.
I've also added the correct mtouch args to the project options.
How can I test that this is all Ok?
I wrote a blog post about this
http://iwayneo.blogspot.com/2010/04/three20-with-monotouch.html
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