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iOS Build a Playlist Browser with Swift Building the Music Library and Playlist Models Passing the Playlist Object

Russ Medley
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Russ Medley
iOS Development Techdegree Student 9,780 Points
Posted by Russ Medley
.a{fill-rule:evenodd;}techdegree
Russ Medley
iOS Development Techdegree Student 9,780 Points

fatal error: unexpectedly found nil while unwrapping an Optional Value... In debug.. I see that buttonPressedLabel = Nil

fatal error: unexpectedly found nil while unwrapping an Optional value

I get this error..

In Debug area..

I also see that buttonPressedLabel = (UILabel)nil

Andrew Shook
Andrew Shook
31,709 Points
Andrew Shook
Andrew Shook
31,709 Points

Can you post your code it will make it easier to debug?

1 Answer

Andrew Shook
Andrew Shook
31,709 Points
Andrew Shook
Andrew Shook
31,709 Points

The problem is that you are trying to set a value from an optional equal to nil. You need to use the if...let statement to unwrap your optional:

if optionalVariable != nil{
}

//or

if let someVariable = optional.variable {
    println(" the value of someVariable is: \(someVariable)");
}