didFinishPickingMediaWithInfo中的应用程序崩溃

Question

当用户录制视频然后单击choose时，我的应用程序崩溃。下面是我的代码：

UIImagePickerController *picker = [[UIImagePickerController alloc] init];
        picker.sourceType = UIImagePickerControllerSourceTypeCamera;
        picker.mediaTypes = [[NSArray alloc] initWithObjects:(NSString *)kUTTypeMovie, nil];
        //picker.mediaTypes = [UIImagePickerController availableMediaTypesForSourceType:picker.sourceType];
        picker.allowsEditing = NO;
        picker.delegate = self;
        picker.videoQuality = UIImagePickerControllerQualityTypeMedium;
        [self presentModalViewController:picker animated:YES];




-(void) imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info
{
   // [self dismissModalViewControllerAnimated:YES];
    AppDelegate *del = [[UIApplication sharedApplication]delegate];

    NSString *mediaType = [info objectForKey: UIImagePickerControllerMediaType];


    moviePath = [[info objectForKey:UIImagePickerControllerMediaURL]path];..//using this for upload

    del.globalMoviePath = moviePath;

    if (CFStringCompare ((__bridge CFStringRef) mediaType, kUTTypeMovie, 0)== kCFCompareEqualTo)
    {

        moviePath = [[info objectForKey:UIImagePickerControllerMediaURL] path];

        del.globalMoviePath = moviePath;


        picker.videoMaximumDuration = 60.0f;
        picker.cameraCaptureMode = UIImagePickerControllerCameraCaptureModeVideo;


        NSLog(@"nrgkrg===>%@",moviePath);

       videoUrl=(NSURL*)[info objectForKey:UIImagePickerControllerMediaURL];
         NSLog(@"Urlllll===>%@",videoUrl);

        videoData = [NSData dataWithContentsOfURL:videoUrl];

        del.globalMoviePath = moviePath;

        NSLog(@"video is====>%@",del.globalMoviePath);

        MPMoviePlayerController *player = [[MPMoviePlayerController alloc] initWithContentURL:videoUrl];
        UIImage *thumbnail = [player thumbnailImageAtTime:1.0 timeOption:MPMovieTimeOptionNearestKeyFrame];
        [player stop];

        videoImage = [[UIImageView alloc]initWithImage:thumbnail];

        //NSLog(@"imegsvideo====>%@",thumbnail);


        //if (UIVideoAtPathIsCompatibleWithSavedPhotosAlbum(moviePath))
        //{
          //  UISaveVideoAtPathToSavedPhotosAlbum (moviePath, self, @selector(video:didFinishSavingWithError:contextInfo:), nil);
       // }
        //MPMoviePlayerController *player = [[MPMoviePlayerController alloc] initWithContentURL:videoUrl];
        //UIImage  *thumbnail = [player thumbnailImageAtTime:1.0 timeOption:MPMovieTimeOptionNearestKeyFrame];
    }

    [self dismissModalViewControllerAnimated:YES];



      //[[picker parentViewController] dismissModalViewControllerAnimated: YES];


}

当用户录制视频并单击选择应用程序时，应用程序会崩溃，但当从摄像头中选择时，应用程序运行良好。

请帮帮我！！

日志如下：

Nov 29 20:28:14  ReportCrash[259] <Notice>: Formulating crash report for process [254]
Nov 29 20:28:14  com.apple.launchd[1] <Warning>: (UIKitApplication:[0xcc37]) Job appears to have crashed: Segmentation fault: 11
Nov 29 20:28:14  backboardd[52] <Warning>: Application 'UIKitApplication:[0xcc37]' exited abnormally with signal 11: Segmentation fault: 11
Nov 29 20:28:14  ReportCrash[259] <Error>: libMobileGestalt copySystemVersionDictionaryValue: Could not lookup ReleaseType from system version dictionary
Nov 29 20:28:14  ReportCrash[259] <Notice>: Saved crashreport to /var/mobile/Library/Logs/CrashReporter/ using uid: 0 gid: 0, synthetic_euid: 501 egid: 0
Nov 29 20:28:38  mstreamd[257] <Notice>: (Note ) mstreamd: Checking on job state for Photo Stream
Nov 29 20:28:38  mstreamd[257] <Notice>: (Note ) mstreamd: No jobs scheduled for Photo Stream.
Nov 29 20:28:38  mstreamd[257] <Notice>: (Note ) mstreamd: Checking on job state for Shared Stream
Nov 29 20:28:38  mstreamd[257] <Notice>: (Note ) mstreamd: No jobs scheduled for Shared Stream.
Nov 29 20:28:38  mstreamd[257] <Notice>: (Note ) PS: Media stream daemon stopping.
Nov 29 20:28:38  mstreamd[257] <Notice>: (Note ) AS: <MSIOSAlbumSharingDaemon: 0x1ee72590>: Shared Streams daemon shutting down.
Nov 29 20:28:38  mstreamd[257] <Notice>: (Note ) AS: <MSIOSAlbumSharingDaemon: 0x1ee72590>: Shutting down state machine for personID 1446684163.
Nov 29 20:28:38  mstreamd[257] <Notice>: (Note ) AS: <MSASStateMachine: 0x1ed3e060>: Shutting down uploader.
Nov 29 20:28:38  mstreamd[257] <Notice>: (Note ) AS: <MSASStateMachine: 0x1ed3e060>: Shutting down downloader.
Nov 29 20:28:38  mstreamd[257] <Notice>: (Note ) AS: <MSASStateMachine: 0x1ed3e060>: Shutting down state machine.
Nov 29 20:28:38  mstreamd[257] <Notice>: (Note ) AS: <MSIOSAlbumSharingDaemon: 0x1ee72590>: Shutting down model.
Nov 29 20:28:38  mstreamd[257] <Notice>: (Note ) AS: <MSASServerSideModel: 0x1ed39d50>: Command Queue has shut down.
Nov 29 20:28:38  mstreamd[257] <Notice>: (Note ) AS: <MSIOSAlbumSharingDaemon: 0x1ee72590>: Model has shut down.
Nov 29 20:28:38  mstreamd[257] <Notice>: (Note ) AS: <MSIOSAlbumSharingDaemon: 0x1ee72590>: Shared Streams daemon has shut down.
Nov 29 20:28:38  mstreamd[257] <Notice>: (Note ) mstreamd: <MSPowerBudget: 0x1ed394b0>: Stopping post-foreground timer.
Nov 29 20:28:38  mstreamd[257] <Notice>: (Warn ) mstreamd: mstreamd shutting down.
Nov 29 20:49:16  UserEventAgent[13] <Warning>: PLAggregateState Error: Leaving state pluggedin_screen_off even though we are not in it, doing nothing
Nov 29 20:49:16  kernel[0] <Debug>: AppleD1881PMUPowerSource: AppleUSBCableDetect 0
Nov 29 20:49:16  kernel[0] <Debug>: AppleD1881PMUPowerSource: AppleUSBCableType Detached
Nov 29 20:49:16  kernel[0] <Debug>: virtual IOReturn AppleUSBDeviceMux::message(UInt32, IOService *, void *) - kMessageInterfaceWasDeActivated
Nov 29 20:49:16  kernel[0] <Debug>: AppleUSBDeviceMux::reportStats: USB mux statistics:
Nov 29 20:49:16  kernel[0] <Debug>: USB mux: 190 reads / 0 errors, 899 writes / 0 errors
Nov 29 20:49:16  kernel[0] <Debug>: USB mux: 0 short packets, 0 dups
Nov 29 20:49:16  UserEventAgent[13] <Warning>: PLAggregateState Error: Leaving state pluggedin_charging even though we are not in it, doing nothing
Nov 29 20:49:16  UserEventAgent[13] <Warning>: PLAggregateState Error: Leaving state unplugged_screen_off even though we are not in it, doing nothing
Nov 29 20:49:16  ptpd[104] <Notice>: PTP interface has been deactivated.
Nov 29 20:49:18  UserEventAgent[13] <Warning>: PLAggregateState Error: Leaving state unplugged_asleep even though we are not in it, doing nothing
Nov 29 20:49:18  kernel[0] <Debug>: AppleD1881PMUPowerSource: AppleUSBCableDetect 1
Nov 29 20:49:18  kernel[0] <Debug>: AppleD1881PMUPowerSource: AppleUSBCableType USBHost
Nov 29 20:49:18  UserEventAgent[13] <Warning>: PLAggregateState Error: Leaving state unplugged_screen_off even though we are not in it, doing nothing
Nov 29 20:49:18  UserEventAgent[13] <Warning>: PLAggregateState Error: Leaving state pluggedin_screen_off even though we are not in it, doing nothing
Nov 29 20:49:19  ptpd[104] <Notice>: PTP interface has been activated at high speed.
Nov 29 20:49:56  lockdownd[29] <Notice>: 2fe93000 special_case_get: MGCopyAnswer(kMGQMobileEquipmentIdentifier) returned NULL
Nov 29 20:49:56  lockdownd[29] <Notice>: 2fe93000 copy_phonenumber: CTSettingCopyMyPhoneNumber() returned NULL
Nov 29 20:49:56  mobile_installation_proxy[265] <Error>: 0x3cbd7b88 MobileInstallationSlowLookupBreak: MobileInstallationBrowse was called without specifying an options dictionary containing kLookupReturnAttributesKey. This usage is inefficient and may cause performance problems. Break on MobileInstallationSlowLookupBreak to debug.
Nov 29 20:49:56  mobile_installation_proxy[265] <Error>: 0x3cbd7b88 MobileInstallationSlowLookupBreak: Existing options dictionary: <CFBasicHash 0x1c545b90 [0x3bfb1100]>{type = mutable dict, count = 1,
entries =>
6 : <CFString 0x1c545bc0 [0x3bfb1100]>{contents = "ApplicationType"} = <CFString 0x1c545b30 [0x3bfb1100]>{contents = "User"}
}
Nov 29 20:49:57  mc_mobile_tunnel[267] <Notice>: (Note ) MC: mc_mobile_tunnel starting.
Nov 29 20:49:57  mc_mobile_tunnel[267] <Notice>: (Note ) MC: mc_mobile_tunnel shutting down.
Nov 29 20:49:57  mc_mobile_tunnel[268] <Notice>: (Note ) MC: mc_mobile_tunnel starting.
Nov 29 20:49:57  mc_mobile_tunnel[268] <Notice>: (Note ) MC: mc_mobile_tunnel shutting down.
Nov 29 20:49:57  lockdownd[29] <Notice>: 2fe93000 set_response_error: handle_start_session SessionActive
Nov 29 20:49:57  lockdownd[29] <Notice>: 2fe93000 set_response_error: handle_start_session SessionActive
Nov 29 20:50:03  mc_mobile_tunnel[270] <Notice>: (Note ) MC: mc_mobile_tunnel starting.
Nov 29 20:50:03  mc_mobile_tunnel[270] <Notice>: (Note ) MC: mc_mobile_tunnel shutting down.
Nov 29 20:51:31  UserEventAgent[13] <Warning>: PLAggregateState Error: Leaving state pluggedin_screen_off even though we are not in it, doing nothing
Nov 29 20:51:31  kernel[0] <Debug>: AppleD1881PMUPowerSource: AppleUSBCableDetect 0
Nov 29 20:51:31  kernel[0] <Debug>: AppleD1881PMUPowerSource: AppleUSBCableType Detached
Nov 29 20:51:31  kernel[0] <Debug>: virtual IOReturn AppleUSBDeviceMux::message(UInt32, IOService *, void *) - kMessageInterfaceWasDeActivated
Nov 29 20:51:31  kernel[0] <Debug>: AppleUSBDeviceMux::reportStats: USB mux statistics:
Nov 29 20:51:31  kernel[0] <Debug>: USB mux: 195 reads / 0 errors, 493 writes / 0 errors
Nov 29 20:51:31  kernel[0] <Debug>: USB mux: 0 short packets, 0 dups
Nov 29 20:51:31  UserEventAgent[13] <Warning>: PLAggregateState Error: Leaving state pluggedin_charging even though we are not in it, doing nothing
Nov 29 20:51:31  UserEventAgent[13] <Warning>: PLAggregateState Error: Leaving state unplugged_screen_off even though we are not in it, doing nothing
Nov 29 20:51:31  ptpd[104] <Notice>: PTP interface has been deactivated.
Nov 29 20:51:41  UserEventAgent[13] <Warning>: PLAggregateState Error: Leaving state unplugged_asleep even though we are not in it, doing nothing
Nov 29 20:51:41  kernel[0] <Debug>: AppleD1881PMUPowerSource: AppleUSBCableDetect 1
Nov 29 20:51:41  kernel[0] <Debug>: AppleD1881PMUPowerSource: AppleUSBCableType USBHost
Nov 29 20:51:41  UserEventAgent[13] <Warning>: PLAggregateState Error: Leaving state unplugged_screen_off even though we are not in it, doing nothing
Nov 29 20:51:41  UserEventAgent[13] <Warning>: PLAggregateState Error: Leaving state pluggedin_screen_off even though we are not in it, doing nothing
Nov 29 20:51:41  ptpd[272] <Error>: ptpd: startResponder
Nov 29 20:51:41  kernel[0] <Debug>: launchd[272] Builtin profile: ptpd (sandbox)
Nov 29 20:51:42  ptpd[272] <Notice>: PTP interface has been activated at high speed.
Nov 29 20:51:43  lockdownd[29] <Notice>: 2ffcf000 verify_pair_record: The strings don't match. Is this really a UUID?
Nov 29 20:51:43  lockdownd[29] <Notice>: 2ffcf000 store_escrow_record: Creating escrow bag (hash=9263ecf9c114f3a5cecdf7a52df193b4ce25044f) for 30264900-17792825678462560
Nov 29 20:51:52  lockdownd[29] <Notice>: 01442000 verify_pair_record: The strings don't match. Is this really a UUID?
Nov 29 20:51:52  lockdownd[29] <Notice>: 01442000 store_escrow_record: Creating escrow bag (hash=9de39584e1758f58137d28e4bd8c2fd79b5ba0a2) for 30264900-1682617038156454252
Nov 29 20:51:53  lockdownd[29] <Notice>: 01442000 special_case_get: MGCopyAnswer(kMGQMobileEquipmentIdentifier) returned NULL
Nov 29 20:51:53  lockdownd[29] <Notice>: 01442000 copy_phonenumber: CTSettingCopyMyPhoneNumber() returned NULL
Nov 29 20:51:53  mobile_installation_proxy[275] <Error>: 0x3cbd7b88 MobileInstallationSlowLookupBreak: MobileInstallationBrowse was called without specifying an options dictionary containing kLookupReturnAttributesKey. This usage is inefficient and may cause performance problems. Break on MobileInstallationSlowLookupBreak to debug.
Nov 29 20:51:53  mobile_installation_proxy[275] <Error>: 0x3cbd7b88 MobileInstallationSlowLookupBreak: Existing options dictionary: <CFBasicHash 0x1c5119d0 [0x3bfb1100]>{type = mutable dict, count = 1,
entries =>
6 : <CFString 0x1c511a00 [0x3bfb1100]>{contents = "ApplicationType"} = <CFString 0x1c511970 [0x3bfb1100]>{contents = "User"}
}
Nov 29 20:51:53  mc_mobile_tunnel[277] <Notice>: (Note ) MC: mc_mobile_tunnel starting.
Nov 29 20:51:53  mc_mobile_tunnel[277] <Notice>: (Note ) MC: mc_mobile_tunnel shutting down.
Nov 29 20:51:53  mc_mobile_tunnel[278] <Notice>: (Note ) MC: mc_mobile_tunnel starting.
Nov 29 20:51:53  mc_mobile_tunnel[278] <Notice>: (Note ) MC: mc_mobile_tunnel shutting down.
Nov 29 20:51:55  mc_mobile_tunnel[280] <Notice>: (Note ) MC: mc_mobile_tunnel starting.
Nov 29 20:51:55  mc_mobile_tunnel[280] <Notice>: (Note ) MC: mc_mobile_tunnel shutting down.
Nov 29 20:52:01 iPhone4S mc_mobile_tunnel[282] <Notice>: (Note ) MC: mc_mobile_tunnel starting.
Nov 29 20:52:01 iPhone4S mc_mobile_tunnel[282] <Notice>: (Note ) MC: mc_mobile_tunnel shutting down.

Answer 1

这是因为您可能会在关闭picker之后立即关闭视图：

[picker dismissModalViewControllerAnimated:YES];

[self dismissModalViewControllerAnimated:YES];

由于您已经使用了animated YES，选择器还没有被关闭，所以使用新的API

[picker dismissViewControllerAnimated:YES completion:^{
        [self dismissModalViewControllerAnimated:YES];
    }];

Answer 2

应用程序崩溃是因为在iOS6中，[self dismissModalViewControllerAnimated:YES];是不推荐的，你用[picker dismissViewControllerAnimated:YES completion:nil];代替它可能会解决你的问题。