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Editorial Team
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Asked: 2026-06-06T19:17:14+00:00

I need to survey a textField’s value every time it’s changed. To handle this,

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I need to survey a textField’s value every time it’s changed. To handle this, I simply added that action to the .h file and implemented that method in the .m file. (That is, I “ctrl+click”ed the “Value Changed” event from the Storyboard and dragged it onto my .h file). Even if I just try to NSLog from the method, it’s not logging anything, whether the value of my textbox is changed or not.

My header file includes the following:

(IBAction)changed:(UITextField *)sender;

and my .m file has the following:

 (IBAction)changed:(UITextField *)sender {

NSLog(@"%@", @"Changed");

}
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1 Answer

  1. Editorial Team

    Make one of your controllers the text field’s delegate and implement textField:shouldChangeCharactersInRange:replacementString:

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