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Editorial Team
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Asked: 2026-05-14T01:59:50+00:00

I am trying to get the accelerometer to detect shakes in a separate view

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I am trying to get the accelerometer to detect shakes in a separate view and the accelerometer method does not get called?

When I place code to set the accelerometer attributes in the controllers viewDidLoad method and add the ……didAccelerate:(UIAcceleration *) acceleration in the implementation file for the controller shakes are detected.

I’m a novice to iphone development and think that perhaps the code:

accelerometer.delegate = self;

should point to the view? Rather than self?

Any help would be really appreciated. I’m really not sure how to solve this?

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1 Answer

  1. Editorial Team

    If your accelerometer callback method is not being called there’s a good chance your application delegate (or other custom class) is not supporting the UIAccelerometerDelegate class. Some very loose pseudocode on making that delcaration in your application delegate…

    @interface MyApplicationDelegate: UIApplicationDelegate<UIAccelerometerDelegate>
{
   .. class definition stuff ..
}

    See the Apple documentation here…

    http://developer.apple.com/iphone/library/documentation/iPhone/Conceptual/iPhoneOSProgrammingGuide/AdvancedFeatures/AdvancedFeatures.html

    And review the Accessing Accelerometer Events section

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