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Editorial Team
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Asked: 2026-05-21T11:57:19+00:00

I have a button named settings , when I press this button the application

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I have a button named settings, when I press this button the application crashes.

I have doubt in warnings that’s why I’m going to show you what I got when building:

 .../RechercherViewController.m:66: warning: 'UISlider' may not respond to '-setShowValue:'

that warning is pointing me at this line in the viewDidLoad method:

[rayonDeRechercheSlider setShowValue:YES];

rayonDeRechercheSlider is a UISlider declared in the .h file of the View :

IBOutlet UISlider *rayonDeRechercheSlider;
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1 Answer

  1. Editorial Team

    UISlider does not use a boolean property called showValue and also UISlider does not offer any explicit method called setShowValue:, hence the method call: setShowValue:YES on a UISlider will crash the app.

    You may want to call [rayonDeRechercheSlider setValue:1.0 animated:YES] (replace 1.0 with the value you intend to set.

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