我收到了一个用户发送的以下崩溃报告，但我不知道可能的原因。调用时应用程序随机崩溃
- (void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
代理，在用户点击相机控制器上的"使用照片"后。在这个代表中，我进行了一些图像处理（压缩和调整大小），并将生成的图像上传到Web服务器：
编辑：调用后崩溃随机发生
NSURLConnection sendAsynchronousRequest
仅在iPhone 6设备上
这是坠机报告：
Incident Identifier: 8B05FEB7-F7A7-4399-A735-7BE1F7D6B28C
CrashReporter Key: c61d3329a1a016eb2f279bdb36b2c6441c3359b4
Hardware Model: iPhone7,2
Process: xxxapp [469]
Path: /private/var/mobile/Containers/Bundle/Application/84A5A17B-D548-4182-B11F-D5F748B88B1C/MMBRevisioniTestTarga.app/MMBRevisioniTestTarga
Identifier: xxx.app
Version: 108 (1.0)
Code Type: ARM-64 (Native)
Parent Process: launchd [1]
Date/Time: 2016-05-02 13:31:22.22 +0200
Launch Time: 2016-05-02 09:48:02.02 +0200
OS Version: iOS 9.2.1 (13D15)
Report Version: 105
Exception Type: EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x0000000012e1af30
Triggered by Thread: 0
Filtered syslog:
None found
Global Trace Buffer (reverse chronological seconds):
1.099550 AppleJPEG 0x000000018210ab54 [0x12d920e00] Releasing session
1.530599 AppleJPEG 0x000000018210ab54 [0x12e215800] Releasing session
1.535648 AppleJPEG 0x000000018210ab54 [0x12d94e200] Releasing session
1.541815 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12eb81731) failed
1.546529 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12d73d581) failed
1.546672 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12d57af01) failed
1.547266 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12d5f6481) failed
1.551646 AppleJPEG 0x000000018210cff4 [0x12d94e200] Decoding completed without errors
1.551646 AppleJPEG 0x000000018210b18c [0x12d94e200] Options: 320x86 [FFFFFFFF,FFFFFFFF] 0001D060
1.551646 AppleJPEG 0x000000018210b044 [0x2d94e200] Decoding: 1 0x000000C0 0x01400056 0x0028304A 0x11111100 0
1.552181 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12d7399e1) failed
1.553200 AppleJPEG 0x000000018210a338 [0x12d94e200] Created session
1.555675 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12d7a9521) failed
1.557307 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12e8d3e31) failed
1.557582 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12d7b4c51) failed
1.559249 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12e8f1191) failed
1.560348 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12e8848f1) failed
1.597807 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12e8ce201) failed
1.599417 AppleJPEG 0x000000018210a338 [0x2e215800] Created session
1.614643 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12d7845c1) failed
4.189911 AppleJPEG 0x000000018210a338 [0x12d920e00] Created session
13.027686 AppleJPEG 0x000000018210ab54 [0x12d8aee00] Releasing session
13.038310 AppleJPEG 0x000000018210ab54 [0x12d920800] Releasing session
13.038310 AppleJPEG 0x000000018210a338 [0x12d920800] Created session
13.038310 AppleJPEG 0x000000018210a338 [0x12d8aee00] Created session
13.602625 CFNetwork 0x000000018107d84c TCP Conn 0x12d5fb2d0 SSL Handshake DONE
13.751047 CFNetwork 0x000000018107d75c TCP Conn 0x12d5fb2d0 starting SSL negotiation
13.752205 CFNetwork 0x000000018111f104 TCP Conn 0x12d5fb2d0 complete. fd: 12, err: 0
13.754004 CFNetwork 0x0000000181120630 TCP Conn 0x12d5fb2d0 event 1. err: 0
13.844813 CFNetwork 0x0000000181120708 TCP Conn 0x12d5fb2d0 started
13.890467 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12e856b51) failed
13.890467 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12d6a3791) failed
13.890741 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12e8bdd61) failed
15.344835 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12d794961) failed
17.168638 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12d6eb621) failed
17.168638 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x2e827071) failed
17.168919 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12e8cef41) failed
19.538093 AppleJPEG 0x000000018210ab54 [0x12e209e00] Releasing session
19.967655 AppleJPEG 0x000000018210ab54 [0x2e214e00] Releasing session
19.968163 AppleJPEG 0x000000018210ab54 [0x12e21fa00] Releasing session
19.980956 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12d76bb21) failed
19.982429 libsystem_trace.dylib 0x00000001807289cc dyld_image_header_containing_address(0x12e8c13c1) failed
在plist中添加以下内容。
<key>NSAppTransportSecurity</key>
<dict>
<key>NSAllowsArbitraryLoads</key>
<true/>
</dict>
我在iPad应用程序中遇到了类似的错误。所以确保我的相机在mainThread上运行解决了我的问题：
[[NSOperationQueue mainQueue] addOperationWithBlock:^{
[self openCamera]; // Call your camera method here
}];
我希望这能帮助你。