有个比较严重的问题，当音乐在播放时，来电话,挂电话的时候会奔溃，附崩溃信息，麻烦解决下谢谢

[12207480]

*** Assertion failure in -[DOUAudioEventLoop _handleEvent:withStreamer:], /Users/233wangxiao/Desktop/IOS Project/T2Tv2.0/Examda/Examda/Modules/Exams/Tool/DOUAudioStreamer/DOUAudioEventLoop.m:370
2015-06-04 08:21:34.499 Examda[1175:60b] UMLOG: error: session_id=B8F14A2B0F8018792D87A75B85792FB1, context=failed to activate audio session
(null)
(
0 CoreFoundation 0x2f06df9b + 154
1 libobjc.A.dylib 0x398e8ccf objc_exception_throw + 38
2 CoreFoundation 0x2f06de5d + 0
3 Foundation 0x2fa1bd5b + 90
4 Examda 0x00252d07 -[DOUAudioEventLoop _handleEvent:withStreamer:] + 3030
5 Examda 0x00253a3f -[DOUAudioEventLoop _eventLoop] + 130
6 Examda 0x00253c71 event_loop_main + 72
7 libsystem_pthread.dylib 0x39f14919 + 140
8 libsystem_pthread.dylib 0x39f1488b _pthread_start + 102
9 libsystem_pthread.dylib 0x39f12aa4 thread_start + 8
)

dSYM UUID: FA157E05-B14F-3077-B6AB-AC44AFA9FD80
CPU Type: armv7
Slide Address: 0x00004000
Binary Image: Examda
Base Address: 0x00010000
2015-06-04 08:21:34.507 Examda[1175:60b] UMLOG: session: session_id=B8F14A2B0F8018792D87A75B85792FB1, duration=120.708398
2015-06-04 08:21:35.572 Examda[1175:60b] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'failed to activate audio session'
*** First throw call stack:
(0x2f06df83 0x398e8ccf 0x2f06de5d 0x2fa1bd5b 0x252d07 0x253a3f 0x253c71 0x39f14919 0x39f1488b 0x39f12aa4)
2015-06-04 08:21:35.577 Examda[1175:855f] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'failed to activate audio session'
*** First throw call stack:
(0x2f06df83 0x398e8ccf 0x2f06de5d 0x2fa1bd5b 0x252d07 0x253a3f 0x253c71 0x39f14919 0x39f1488b 0x39f12aa4)
libc++abi.dylib: terminating with uncaught exception of type NSExceptionlibc++abi.dylib:

[foox07]

Me too

[johnlui]

已经解决 #45