iPhone Ti Mobile SDK 1.6.2 Crash after hiding ImageView
Reported by cfox | May 31st, 2011 @ 02:03 AM
This problem occurs when the app has been busy for some time (1 out of 5 times). Seems to be a null reference error. However my ImageView is created on app start and is never set to null or removed from its parent view.
The problem seems to be fixed (though it's only a workaround) when I return if newValue is null in method DoProxyDelegateChangedValuesWithProxy.
Relevant crash report entries:
... Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x00000008
Crashed Thread: 3
... Thread 3 Crashed:
0 libobjc.A.dylib 0x32da1c98 objc_msgSend + 16
1 myGEOS 0x0008371c DoProxyDelegateChangedValuesWithProxy
(TiProxy.m:57)
2 myGEOS 0x00055946 -[TiUIView
propertyChanged:oldValue:newValue:proxy:] (TiUIView.m:591)
3 myGEOS 0x0008670a -[TiProxy replaceValue:forKey:notification:]
(TiProxy.m:798)
4 myGEOS 0x00041304 -[TiViewProxy hide:] (TiViewProxy.m:188)
5 CoreFoundation 0x3296379c invoking + 60
6 CoreFoundation 0x328db436 -[NSInvocation invoke] + 102
7 myGEOS 0x000336ce -[KrollMethod call:] (KrollMethod.m:189)
8 myGEOS 0x00032c26 KrollCallAsFunction (KrollMethod.m:36)
9 myGEOS 0x001a36bc
TI::TiCallbackObject<TI::TiObject>::call(TI::TiExcState,
TI::TiObject, TI::TiValue, TI::ArgList const&)
(TiCallbackObjectFunctions.h:371)
10 myGEOS 0x00188eb4
TI::Interpreter::privateExecute(TI::Interpreter::ExecutionFlag,
TI::RegisterFile, TI::TiExcState, TI::TiValue)
(Interpreter.cpp:3053)
11 myGEOS 0x0018d3ce
TI::Interpreter::execute(TI::FunctionExecutable,
TI::TiExcState, TI::TiFunction, TI::TiObject,
TI::ArgList const&, TI::ScopeChainNode, TI::TiValue)
(Interpreter.cpp:688)
12 myGEOS 0x00196ada TI::TiFunction::call(TI::TiExcState,
TI::TiValue, TI::ArgList const&) (TiFunction.cpp:127)
13 myGEOS 0x00152374 TI::call(TI::TiExcState*, TI::TiValue,
TI::CallType, TI::CallData const&, TI::TiValue, TI::ArgList
const&) (CallData.cpp:46)
14 myGEOS 0x001a25ce TiObjectCallAsFunction
(TiObjectRef.cpp:417)
15 myGEOS 0x00037b5a -[KrollTimer invokeWithCondition:]
(KrollTimer.m:68)
16 CoreFoundation 0x328d056a -[NSObject(NSObject)
performSelector:withObject:withObject:] + 18
17 myGEOS 0x0002eb18 -[KrollInvocation invoke:]
(KrollContext.mm:62)
18 myGEOS 0x0002e1ac -[KrollContext invoke:]
(KrollContext.mm:757)
19 myGEOS 0x0002f6d4 -[KrollContext main]
(KrollContext.mm:1060)
20 Foundation 0x33839382 -[NSThread main] + 38
21 Foundation 0x338ab5c6 NSThreadmain__ + 966
22 libsystem_c.dylib 0x32c9530a pthread_start + 242
23 libsystem_c.dylib 0x32c96bb4 thread_start + 0
...
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