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Asked: 2026-06-06T11:25:59+00:00

When sending data from one iOS device to another, I receive these errors. 2012-06-21

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When sending data from one iOS device to another, I receive these errors.

2012-06-21 10:22:15.509 BulletTime[2324:707] -[DataHandler selectorToCall:]: unrecognized selector sent to instance 0x19bfc0
2012-06-21 10:22:15.511 BulletTime[2324:707] * Terminating app due to uncaught exception ‘NSInvalidArgumentException’, reason: ‘-[DataHandler selectorToCall:]: unrecognized selector sent to instance 0x19bfc0’
* First throw call stack:
(0x356c188f 0x37a68259 0x356c4a9b 0x356c3915 0x3561e650 0x356207d3 0xb6fd1 0xb7121 0x3322f61b 0x3561b3fd 0x33110e07 0x33110dc3 0x33110da1 0x33110b11 0x33111449 0x3310f92b 0x3310f319 0x330f5695 0x330f4f3b 0x372b422b 0x35695523 0x356954c5 0x35694313 0x356174a5 0x3561736d 0x372b3439 0x33123cd5 0xb231f 0xb22c4)
terminate called throwing an exception(lldb)

I know for sure that this code is causing the crash, but I don’t know how to fix it:

- (void)sendInfo {
    //Attempting to send info to the other device.
    //Returns to the Data Handler.
    info = (BOOL*)YES;

    //Sets the requestLabel and requestData of the CameraRequestDataProvider object.
    //These are then handled in the DataHandler...
    requestLabel = @"Cam";
    requestData = [@"Cam" dataUsingEncoding:NSUTF8StringEncoding];

    //Crash occurs here...

    if (delegateToCall && [delegateToCall respondsToSelector:selectorToCall])

        [delegateToCall performSelector:@selector(selectorToCall:)];
}

I have been attempting to figure this out for the past few days with no luck. Any ideas? I would greatly appreciate it!

Got it! Thank you, I fixed that error.

However, now I’m getting this error:

2012-06-21 10:47:16.779 BulletTime[2416:707] ButtonIndex 0, info should be sent here.
2012-06-21 10:47:19.913 BulletTime[2416:707] BTM: attempting to connect to service 0x00000800 on device “Grace’s iPad” A4:67:06:F3:EC:2A
2012-06-21 10:47:20.929 BulletTime[2416:707] BTM: connection to service 0x00000800 on device “Grace’s iPad” A4:67:06:F3:EC:2A succeeded
2012-06-21 10:47:22.029 BulletTime[2416:707] -[DataHandler selectorToPerformWhenConnectionWasStablished:]: unrecognized selector sent to instance 0x1303f0
2012-06-21 10:47:22.032 BulletTime[2416:707] * Terminating app due to uncaught exception ‘NSInvalidArgumentException’, reason: ‘-[DataHandler selectorToPerformWhenConnectionWasStablished:]: unrecognized selector sent to instance 0x1303f0’
* First throw call stack:
(0x356c188f 0x37a68259 0x356c4a9b 0x356c3915 0x3561e650 0x356207d3 0x6c693 0x351cf4ff 0x3568d547 0x35619097 0x351433eb 0x6ce1f 0x3069612f 0x356201fb 0x351e4747 0x35695ad3 0x3569529f 0x35694045 0x356174a5 0x3561736d 0x372b3439 0x33123cd5 0x6b2df 0x6b284)
terminate called throwing an exception

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1 Answer

  1. Editorial Team
    if (delegateToCall && [delegateToCall respondsToSelector:selectorToCall])

    [delegateToCall performSelector:selectorToCall];

    and same mistake in method

    - (void)cancelInfo:(id)sender {
    [mainViewController dismissModalViewControllerAnimated:NO];
    [delegateToCall performSelector:@selector(selectorToCall:)];    
}

    need replace to

    - (void)cancelInfo:(id)sender {
    [mainViewController dismissModalViewControllerAnimated:NO];
    [delegateToCall performSelector:selectorToCall];    
}

    UPDATE:

    in file Device.m same error in method:

    - (void)triggerConnectionSuccessfull:(NSNotification *)notification

    replace string

    [delegateToCallAboutConnection performSelector:@selector(selectorToPerformWhenConnectionWasStablished:)];

    to string

    [delegateToCallAboutConnection performSelector:selectorToPerformWhenConnectionWasStablished];

    and method

    - (void)triggerConnectionFailed:(NSNotification *)notification

    also have same error

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