here is the crash log
Date/Time: 2010-08-31 18:16:52.646 +0530
OS Version: iPhone OS 3.1.2 (7D11)
Report Version: 104
Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x00000000
Crashed Thread: 0
Thread 0 Crashed:
0 libobjc.A.dylib 0x00003ec0 objc_msgSend + 24
1 HybridMobile 0x00006f3a 0x1000 + 24378
2 CoreFoundation 0x0003963a -[NSObject release] + 28
3 HybridMobile 0x0000309c 0x1000 + 8348
4 UIKit 0x00074640 -[UIApplication _terminateWithStatus:] + 120
5 UIKit 0x0006f824 -[UIApplication _sendApplicationSuspend:] + 736
6 UIKit 0x00056604 -[UIApplication handleEvent:withNewEvent:] + 3576
7 UIKit 0x00055634 -[UIApplication sendEvent:] + 60
8 UIKit 0x0005508c _UIApplicationHandleEvent + 4528
9 GraphicsServices 0x00005988 PurpleEventCallback + 1044
10 CoreFoundation 0x00057524 CFRunLoopRunSpecific + 2296
11 CoreFoundation 0x00056c18 CFRunLoopRunInMode + 44
12 GraphicsServices 0x0000436c GSEventRunModal + 188
13 UIKit 0x00003c28 -[UIApplication _run] + 552
14 UIKit 0x00002228 UIApplicationMain + 960
15 HybridMobile 0x00003044 0x1000 + 8260
16 HybridMobile 0x00002fe0 0x1000 + 8160
Thread 1:
0 libSystem.B.dylib 0x000014b8 mach_msg_trap + 20
1 libSystem.B.dylib 0x00004094 mach_msg + 60
2 CoreFoundation 0x00057002 CFRunLoopRunSpecific + 982
3 CoreFoundation 0x00056c18 CFRunLoopRunInMode + 44
4 WebCore 0x000846f0 RunWebThread(void*) + 412
5 libSystem.B.dylib 0x0002b7b0 _pthread_body + 20
Thread 2:
0 libSystem.B.dylib 0x000014b8 mach_msg_trap + 20
1 libSystem.B.dylib 0x00004094 mach_msg + 60
2 CoreFoundation 0x00057002 CFRunLoopRunSpecific + 982
3 CoreFoundation 0x00056c18 CFRunLoopRunInMode + 44
4 Foundation 0x0005a998 +[NSURLConnection(NSURLConnectionReallyInternal) _resourceLoadLoop:] + 172
5 Foundation 0x00053ac6 -[NSThread main] + 42
6 Foundation 0x00001d0e __NSThread__main__ + 852
7 libSystem.B.dylib 0x0002b7b0 _pthread_body + 20
Thread 3:
0 libSystem.B.dylib 0x000262f0 select$DARWIN_EXTSN + 20
1 CoreFoundation 0x000207e2 __CFSocketManager + 342
2 libSystem.B.dylib 0x0002b7b0 _pthread_body + 20
Thread 4:
0 libSystem.B.dylib 0x00091720 __semwait_signal + 24
1 libSystem.B.dylib 0x000334d8 _pthread_cond_wait + 1592
2 libSystem.B.dylib 0x00032c9c pthread_cond_wait + 48
3 CoreMedia 0x00005660 WaitOnCondition + 8
4 CoreMedia 0x0000553c FigSemaphoreWaitRelative + 112
5 MediaToolbox 0x00003bb4 fpa_AsyncMovieControlThread + 76
6 libSystem.B.dylib 0x0002b7b0 _pthread_body + 20
Thread 5:
0 libSystem.B.dylib 0x00091720 __semwait_signal + 24
1 libSystem.B.dylib 0x000334d8 _pthread_cond_wait + 1592
2 libSystem.B.dylib 0x00032c9c pthread_cond_wait + 48
3 CoreMedia 0x00005660 WaitOnCondition + 8
4 CoreMedia 0x0000553c FigSemaphoreWaitRelative + 112
5 MediaToolbox 0x00003bb4 fpa_AsyncMovieControlThread + 76
6 libSystem.B.dylib 0x0002b7b0 _pthread_body + 20
Thread 6:
0 libSystem.B.dylib 0x000014b8 mach_msg_trap + 20
1 libSystem.B.dylib 0x00004094 mach_msg + 60
2 MediaToolbox 0x00009ca0 FigExpressNotificationThread + 60
3 libSystem.B.dylib 0x0002b7b0 _pthread_body + 20
Thread 0 crashed with ARM Thread State:
r0: 0x001c5480 r1: 0x34327ff8 r2: 0x001ce670 r3: 0x00000018
r4: 0x001c5348 r5: 0x00000000 r6: 0x00000000 r7: 0x2fffed84
r8: 0x001ce670 r9: 0x001fc098 r10: 0x00117010 r11: 0x001ce678
ip: 0x000253a8 sp: 0x2fffed64 lr: 0x00006f41 pc: 0x31ec3ec0
cpsr: 0x00080010
Binary Images:
0x1000 - 0x24fff +HybridMobile armv6 <be64d2596afd44d68c5a6b12055235cb> /var/mobile/Applications/27BA92E0-2688-4FE3-BE99-7E609322060D/HybridMobile.app/HybridMobile
0x74000 - 0x75fff dns.so armv6 <957f94410f77a351749ac39d2b4b4abe> /usr/lib/info/dns.so
0x2fe00000 - 0x2fe26fff dyld armv6 <c6ca391c0094661f9a5ae82920fb6afb> /usr/lib/dyld
0x30009000 - 0x30018fff MobileBluetooth armv6 <c8d157a8f679c33626be3ea12ccbac55> /System/Library/PrivateFrameworks/MobileBluetooth.framework/MobileBluetooth
0x30019000 - 0x3011afff libicucore.A.dylib armv6 <48d461b0b7e4c3c34fdd8906e43a9c48> /usr/lib/libicucore.A.dylib
0x3011b000 - 0x30122fff ProtocolBuffer armv6 <314f79317c7b3f8ccb5715f50a1c32bd> /System/Library/PrivateFrameworks/ProtocolBuffer.framework/ProtocolBuffer
0x302ae000 - 0x3031bfff CFNetwork armv6 <0c45ba25308645c6e0e6a0934c8ecc98> /System/Library/Frameworks/CFNetwork.framework/CFNetwork
0x3046e000 - 0x3048cfff AddressBook armv6 <314d6d5c19d8a41144176a9772aeeb8e> /System/Library/Frameworks/AddressBook.framework/AddressBook
0x30494000 - 0x3064efff CoreGraphics armv6 <724ca87c683dfc06a7b8de93ad7529ab> /System/Library/Frameworks/CoreGraphics.framework/CoreGraphics
0x30683000 - 0x30730fff WebKit armv6 <0c25498f719543dfe237b3d5ad2b41f4> /System/Library/PrivateFrameworks/WebKit.framework/WebKit
0x3073a000 - 0x307e7fff ImageIO armv6 <e89e18aafd3192967ec92cced4d9565c> /System/Library/PrivateFrameworks/ImageIO.framework/ImageIO
0x307e8000 - 0x307f2fff MobileCoreServices armv6 <976de01a455ee09d192898dc306043e2> /System/Library/Frameworks/MobileCoreServices.framework/MobileCoreServices
0x30879000 - 0x3087bfff CrashReporterSupport armv6 <12376568046badc4c6993e85624671c4> /System/Library/PrivateFrameworks/CrashReporterSupport.framework/CrashReporterSupport
0x3087c000 - 0x3087efff ArtworkCache armv6 <6ed4c29dcdbff2213ce8fa156bd65215> /System/Library/PrivateFrameworks/ArtworkCache.framework/ArtworkCache
0x308b2000 - 0x309aafff Foundation armv6 <666e9e488f83b9e196aa70a6b44fdc93> /System/Library/Frameworks/Foundation.framework/Foundation
0x309ab000 - 0x309dffff SystemConfiguration armv6 <dabbf79e438842248b8d8f572c3654b6> /System/Library/Frameworks/SystemConfiguration.framework/SystemConfiguration
0x309e0000 - 0x30a14fff Security armv6 <9b4c89ffb90e39d912571072fc4571db> /System/Library/Frameworks/Security.framework/Security
0x30aa1000 - 0x30b1dfff AddressBookUI armv6 <c98c165a4d579948ca0e2be68b46a58d> /System/Library/Frameworks/AddressBookUI.framework/AddressBookUI
0x30b23000 - 0x30b28fff ITSync armv6 <69bcae4bd9e96753e063524a636273ce> /System/Library/PrivateFrameworks/ITSync.framework/ITSync
0x30b30000 - 0x30c56fff libSystem.B.dylib armv6 <b9a8f3b6eff2d3bd2b8bce13e6559dcb> /usr/lib/libSystem.B.dylib
0x30c94000 - 0x30d91fff JavaScriptCore armv6 <b075dbc5464fe7a390977b818b9e20e5> /System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore
0x30d92000 - 0x30e3efff CoreFoundation armv6 <bb0a4b864e5807d2d0fb3211b9633603> /System/Library/Frameworks/CoreFoundation.framework/CoreFoundation
0x30e3f000 - 0x30e49fff libkxld.dylib armv6 <d66542fdb9913ce038758d76d3d0c3f0> /usr/lib/system/libkxld.dylib
0x30eca000 - 0x30ed6fff IAP armv6 <a6a0371a822d3c58e5dffee0e443b980> /System/Library/PrivateFrameworks/IAP.framework/IAP
0x30ee6000 - 0x30f41fff CoreAudio armv6 <cd08933a4f7fdab879f5a9a2a0ad2bab> /System/Library/Frameworks/CoreAudio.framework/CoreAudio
0x30f50000 - 0x30f50fff Accelerate armv6 <21e1dc9fad96f0d51afbeb7f7e006aaf> /System/Library/PrivateFrameworks/Accelerate.framework/Accelerate
0x30f73000 - 0x30f7ffff CoreVideo armv6 <5ff949c6e178ed567a3516fec7a336fb> /System/Library/PrivateFrameworks/CoreVideo.framework/CoreVideo
0x30f8e000 - 0x30f94fff liblockdown.dylib armv6 <6fe2483fe67d4fc5c932ae02a64501c2> /usr/lib/liblockdown.dylib
0x30f95000 - 0x30f9efff SpringBoardServices armv6 <ee6107a837d8ef6fcd012522ba03fa6f> /System/Library/PrivateFrameworks/SpringBoardServices.framework/SpringBoardServices
0x310af000 - 0x310d6fff AppSupport armv6 <5c2d41e8c22380b938e7a3194adff14e> /System/Library/PrivateFrameworks/AppSupport.framework/AppSupport
0x31119000 - 0x31153fff CoreTelephony armv6 <c6fff6661b9edb14db12c52525e3bb51> /System/Library/PrivateFrameworks/CoreTelephony.framework/CoreTelephony
0x3115f000 - 0x318b2fff WebCore armv6 <7621be5a489bafd9129ec542ee5faf6a> /System/Library/PrivateFrameworks/WebCore.framework/WebCore
0x318b3000 - 0x31928fff MediaPlayer armv6 <f22f50ead6cee45bab50c88b63a571ef> /System/Library/Frameworks/MediaPlayer.framework/MediaPlayer
0x31a51000 - 0x31a98fff CoreMedia armv6 <459a316db9a67b3f336d081196b17001> /System/Library/PrivateFrameworks/CoreMedia.framework/CoreMedia
0x31ac4000 - 0x31ae3fff Bom armv6 <53d3b28e15e1aef824becf93c177c7c7> /System/Library/PrivateFrameworks/Bom.framework/Bom
0x31bc2000 - 0x31ca9fff MusicLibrary armv6 <3619add890481e699291fc9eeb08ff16> /System/Library/PrivateFrameworks/MusicLibrary.framework/MusicLibrary
0x31caa000 - 0x31d0bfff GMM armv6 <0353946f7ed83f41e2fca11040f47a36> /System/Library/PrivateFrameworks/GMM.framework/GMM
0x31d0c000 - 0x31e02fff libxml2.2.dylib armv6 <0c9d767c5ea2052102d5364b731774a4> /usr/lib/libxml2.2.dylib
0x31e03000 - 0x31e6dfff libstdc++.6.dylib armv6 <3fa3413ae26f5e206c8a2ee46fb04bfb> /usr/lib/libstdc++.6.dylib
0x31e6f000 - 0x31ebffff Celestial armv6 <e84f58845e735b10ed730c12634172dd> /System/Library/PrivateFrameworks/Celestial.framework/Celestial
0x31ec0000 - 0x31f63fff libobjc.A.dylib armv6 <70da12c30a834268531d6fc845833f9b> /usr/lib/libobjc.A.dylib
0x31f8f000 - 0x3202dfff MapKit armv6 <5aed0939e6a77fe3be17b69236f4e16b> /System/Library/Frameworks/MapKit.framework/MapKit
0x320e0000 - 0x3210cfff CoreLocation armv6 <42ac528bf061b83d5f9247f59be52ab2> /System/Library/Frameworks/CoreLocation.framework/CoreLocation
0x32117000 - 0x3211ffff AccountSettings armv6 <439ef235750de9dd46831e87cc1d47a4> /System/Library/PrivateFrameworks/AccountSettings.framework/AccountSettings
0x3218f000 - 0x32190fff CoreSurface armv6 <b9adb2b0f4bed29f5256929a4aac6144> /System/Library/PrivateFrameworks/CoreSurface.framework/CoreSurface
0x32191000 - 0x321defff IOKit armv6 <0c1722088423026dbc67adb8a83c4b8b> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
0x326f5000 - 0x326f5fff vecLib armv6 <c8a08b45effd5eb35a476a969628e52d> /System/Library/PrivateFrameworks/Accelerate.framework/Frameworks/vecLib.framework/vecLib
0x32822000 - 0x32840fff libresolv.9.dylib armv6 <be380b5054e27754c41ae8a33bae3f57> /usr/lib/libresolv.9.dylib
0x32924000 - 0x3292cfff libgcc_s.1.dylib armv6 <6673f222acee5f3a208169712387862a> /usr/lib/libgcc_s.1.dylib
0x329b0000 - 0x329c7fff OpenGLES armv6 <0c5c914ead991e607b89d480e4215fe8> /System/Library/Frameworks/OpenGLES.framework/OpenGLES
0x32adb000 - 0x32ae6fff libbz2.1.0.dylib armv6 <428a3247762594db6424083116f0aa6a> /usr/lib/libbz2.1.0.dylib
0x32ae7000 - 0x32aeafff MobileInstallation armv6 <c59c1fc98de6207301cac06aba5f6ad5> /System/Library/PrivateFrameworks/MobileInstallation.framework/MobileInstallation
0x32aeb000 - 0x32aecfff IOMobileFramebuffer armv6 <410c46b0db15595f49443de4b0f96bc1> /System/Library/PrivateFrameworks/IOMobileFramebuffer.framework/IOMobileFramebuffer
0x32ba0000 - 0x32c4afff QuartzCore armv6 <ed15a92103e0e93ff9be1ae6422945d5> /System/Library/Frameworks/QuartzCore.framework/QuartzCore
0x32c4b000 - 0x32c57fff DataAccessExpress armv6 <efb2c271aa7f5672badf415b2bdc3836> /System/Library/PrivateFrameworks/DataAccessExpress.framework/DataAccessExpress
0x32c58000 - 0x32c92fff libvDSP.dylib armv6 <cf9cc6079374718dce29cba9de48b993> /System/Library/PrivateFrameworks/Accelerate.framework/Frameworks/vecLib.framework/libvDSP.dylib
0x32ca6000 - 0x32cb6fff libbsm.0.dylib armv6 <050c16b1a6ea7e4e3c80556a2f9c746e> /usr/lib/libbsm.0.dylib
0x32cb9000 - 0x32cf7fff VideoToolbox armv6 <457298c79adc8623fa6ad998f871cd5f> /System/Library/PrivateFrameworks/VideoToolbox.framework/VideoToolbox
0x32d65000 - 0x32da3fff CoreText armv6 <d2f43e4a532b83e42561da6f05376b7b> /System/Library/PrivateFrameworks/CoreText.framework/CoreText
0x32edd000 - 0x32f00fff libRIP.A.dylib armv6 <e14d5666f3f164e734735a718c710dd7> /System/Library/Frameworks/CoreGraphics.framework/Resources/libRIP.A.dylib
0x32fc8000 - 0x3311cfff AudioToolbox armv6 <449419ad6f59bbfef367d329152d8466> /System/Library/Frameworks/AudioToolbox.framework/AudioToolbox
0x332e3000 - 0x332eefff GraphicsServices armv6 <c3aca9de10fd0878505c53bef91702ab> /System/Library/PrivateFrameworks/GraphicsServices.framework/GraphicsServices
0x33341000 - 0x3339bfff libsqlite3.dylib armv6 <d0b78bf167d303cb11c7351784af7be9> /usr/lib/libsqlite3.dylib
0x333c9000 - 0x333cdfff IOSurface armv6 <5eb19b9643e17c51321283ba4a598d22> /System/Library/PrivateFrameworks/IOSurface.framework/IOSurface
0x333fa000 - 0x33408fff libz.1.dylib armv6 <fe7af855ed11fa43582ae7320ea4b679> /usr/lib/libz.1.dylib
0x33424000 - 0x33461fff libCGFreetype.A.dylib armv6 <50e793fc4b4de6b598be29d591a31f0d> /System/Library/Frameworks/CoreGraphics.framework/Resources/libCGFreetype.A.dylib
0x33462000 - 0x33578fff MediaToolbox armv6 <0a04b31799af43bec335c461e1ba1f8d> /System/Library/PrivateFrameworks/MediaToolbox.framework/MediaToolbox
0x33579000 - 0x3357ffff MBX2D armv6 <ab6868f9679e912165063f2229b26b64> /System/Library/PrivateFrameworks/MBX2D.framework/MBX2D
0x335aa000 - 0x3439bfff UIKit armv6 <02702efa29385ec77b4fad6771ea9fea> /System/Library/Frameworks/UIKit.framework/UIKit
寻找建议？........
答案 0 :(得分：1)
1-您的代码可以访问nil对象
异常地址0x00000000是一个很好的提示。 请检查您的代码并添加nil验证块。
2-您的代码可能会访问无效的选择器
代码可能会调用输入错误的方法，也可能调用iOS 3.2及更高版本中可用的方法，但不能调用3.1.2中的方法。
阅读控制台窗口并注意选择器访问导致EXC_BAD_ACCESS。
然后将代码放在respondsToSelector（）条件块中。
祝你好运Pawan Mangal！