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Generic iPhone / iPad Windows app with Core Data crashes on iPhone SDK 4 beta 3

I have installed the beta version of iPhone OS 4.0 3. When I create a new universal Windows application with basic data (File> New Project> Windows-Application ---> select "Universal" from the dropdown list and check "Use basic data" for storage ") the app runs fine in the iPhone simulator, but crashes in the iPad simulator.

Console message:

dyld: Symbol not found: _OBJC_CLASS _ $ _ NSURL Links: / Users / tarfa / Library / Application Support / iPhone Simulator / 3.2 / Applications / 5BB644DC-9370-4894-8884-BAEBA64D9ED0 / Universal.app / Universal Expected in: / Developer /Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.2.sdk/System/Library/Frameworks/CoreFoundation.framework/CoreFoundation

I'm stumped. Is anyone else experiencing this issue?

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2 answers


Okay, got it. Place this snippet at the top of your source files using NSURL:

#ifndef __GNUC__
#define __asm__ asm
#endif

__asm__(".weak_reference _OBJC_CLASS_$_NSURL");


The app now launches correctly in the iPad simulator.

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Any legitimate answer to your question is under the NDA. However, you might be wondering if something like this is mentioned in the "Known Issues" section of the beta release.



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