我正在尝试将 RedLaser SDK 3.30 与 MonoTouch 一起使用。这是我正在使用的代码：
https://github.com/mono/monotouch-bindings/tree/master/RedLaser
当我单击迅雷按钮扫描条形码时，我的应用程序在我的 iPod touch 上崩溃。我正在使用ARM7。这是我的崩溃日志：
wait_fences: failed to receive reply: 10004003
0 RedLaserSample 0x01669015 mono_handle_native_sigsegv + 244
1 RedLaserSample 0x01681cf1 sigabrt_signal_handler + 112
2 libsystem_c.dylib 0x309cf7ed _sigtramp + 48
3 libsystem_c.dylib 0x309c520f pthread_kill + 54
4 libsystem_c.dylib 0x309be29f abort + 94
5 libc++abi.dylib 0x367cef6b abort_message + 46
6 libc++abi.dylib 0x367cc34d _ZL17default_terminatev + 24
7 libobjc.A.dylib 0x3414036f _objc_terminate + 170
8 libc++abi.dylib 0x367cc3c5 _ZL19safe_handler_callerPFvvE + 76
9 libc++abi.dylib 0x367cc451 _ZdlPv + 0
10 libc++abi.dylib 0x367cd79f __cxa_throw + 122
11 RedLaserSample 0x00040565 _ZN5zxing6qrcode19FinderPatternFinder18selectBestPatternsEv + 172
12 RedLaserSample 0x000416a5 _ZN5zxing6qrcode19FinderPatternFinder4findERKNS_11DecodeHintsE + 512
13 RedLaserSample 0x0003a8b3 _ZN5zxing6qrcode8Detector6detectERKNS_11DecodeHintsE + 366
14 RedLaserSample 0x00046c53 _ZN5zxing6qrcode12QRCodeReader6decodeENS_3RefINS_12BinaryBitmapEEENS_11DecodeHintsE + 130
15 RedLaserSample 0x0004edcb _ZN5zxing6Reader6decodeENS_3RefINS_12BinaryBitmapEEE + 458
16 RedLaserSample 0x00055be9 -[FormatReader decode:] + 116
17 RedLaserSample 0x00013749 -[ZXingDecoder findCodesInBitmap:bytesPerRow:width:height:] + 656
18 RedLaserSample 0x0005b6df -[BarcodePhotoEngine zxingFindBarcodesInPixmap:] + 222
19 RedLaserSample 0x00053551 __38-[BarcodeEngine findBarcodesInPixMap:]_block_invoke_066 + 76
20 libdispatch.dylib 0x35737c59 _dispatch_call_block_and_release + 12
21 libdispatch.dylib 0x35742cab _dispatch_queue_drain + 274
22 libdispatch.dylib 0x35742b19 _dispatch_queue_invoke$VARIANT$up + 36
23 libdispatch.dylib 0x3574378b _dispatch_worker_thread2 + 214
24 libsystem_c.dylib 0x30980dfb _pthread_wqthread + 294
25 libsystem_c.dylib 0x30980cd0 start_wqthread + 8