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Asked: 2026-06-16T00:34:36+00:00

I have this strange problem. In my app I’m asking the device, if DeviceMotion

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I have this strange problem. In my app I’m asking the device, if DeviceMotion is available:

if (coreMotionManager.isDeviceMotionAvailable) {

    coreMotionManager.deviceMotionUpdateInterval = 1.0 / 60.0;
    [coreMotionManager startDeviceMotionUpdates];

    [NSTimer scheduledTimerWithTimeInterval:1.0 / 60.0 target:self selector:@selector(didUpdateCoreMotion) userInfo:nil repeats:YES];
}
else {
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Error" message:@"NO DEVICE MOTION" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil, nil];
    [alert show];
}

but it’s always false…
What am I doing wrong? I’m doing this on my iPad 3 and I already played around with CMMotionManager in the past and with it’s .deviceMotion.attitude.roll, pitch and yaw and everything was just fine. But now I just always get alert o.O

Does anyone have an idea what can be wrong? Thx very much for any help 🙂

Finally restarting my Mac helped, after restart it all just worked! 🙂 Thanks Kay for sticking around and help 🙂

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1 Answer

  1. Editorial Team

    Finally restarting my Mac helped, after restart it all just worked! 🙂
    Thanks Kay for sticking around and help 🙂

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