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iOS Build a Playlist Browser with Swift Building the Master and Detail Views Modifying the Detail View

Posted by NOUR A ALGHAMDI
NOUR A ALGHAMDI
Courses Plus Student 5,607 Points

how to solve this problem ! please help , thanks :)

hey guys i tried to preform my program but it's keep crashing and i don't know what is this error so i don't know how to retrieve it . . .

http://store2.up-00.com/2016-01/145313347486471.png here is the error !

1 Answer

Steven Deutsch
Steven Deutsch
21,046 Points
Steven Deutsch
Steven Deutsch
21,046 Points

Hey NOUR A ALGHAMDI,

Make sure you are passing the correct key in for your dictionary. If you're using the sample code then the proper key is "backgroundColor".

Hope this helps

NOUR A ALGHAMDI
NOUR A ALGHAMDI
Courses Plus Student 5,607 Points

Yey! it does worth thank you Steven Deutsch i'm grateful :) , but now i have a question ! why did it work when i changed the value of my String ! it is a String no matter what the value it has !! do you agree ?