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iOS Build a Blog Reader iPhone App Adapting Data for Display Downloading and Displaying an Image

Posted by Jaime Hernandez
Jaime Hernandez
3,854 Points

Adapting Data for Display - Challenge 2 or 3 - Help...

Ok, I'm not really sure why I get a compilation error, I enter the following code:

Create an instance of NSData named 'data' with the previously created 'url' object.

-> Bummer! Compilation Error! Make sure you are calling 'dataWithContentsOfURL'. <-

images.m

NSURL *url = [NSURL URLWithString:@"http://teamtreehouse.com/assets/homepage/logo.png"];

NSData *data [NSData dataWithContentsOfURL:url];

4 Answers

Stone Preston
Stone Preston
42,016 Points
Stone Preston
Stone Preston
42,016 Points 
NSData *data [NSData dataWithContentsOfURL:url]

you are missing an = it looks like. could be the issue

Jaime Hernandez
Jaime Hernandez
3,854 Points
Jaime Hernandez
Jaime Hernandez
3,854 Points

Doh!

Thanks!

Martin Greenberg
Martin Greenberg
1,434 Points
Martin Greenberg
Martin Greenberg
1,434 Points

NSData *data = [NSData dataWithContentsOfUrl:url];

This is what I'm putting in and I'm getting a compilation error as well.

Stone Preston
Stone Preston
42,016 Points
Stone Preston
Stone Preston
42,016 Points 
NSData *data = [NSData dataWithContentsOfURL:url];

the letters URL on the end of the method name should all be capitalized. you currently have 

NSData *data = [NSData dataWithContentsOfUrl:url];

which uses a capital U but lower case r and l, which is why its not working

onurtekin
onurtekin
7,346 Points

Something wrong there i think. Keeps giving me the same error.

NSURL *url = [NSURL URLWithString:@"http://teamtreehouse.com/assets/homepage/logo.png"];
NSData *data = [NSData dataWithContentsOfURL:url];

This is the error i get: Looks like you have not defined 'data'

Adham Gad
Adham Gad
9,899 Points
Adham Gad
Adham Gad
9,899 Points

Onur Tekin same here ! it gives me the same error

Stuart King
Stuart King
2,218 Points
Stuart King
Stuart King
2,218 Points

I have this same issue

NSURL *url = [NSURL URLWithString:@"http://teamtreehouse.com/assets/homepage/logo.png"];
NSData *data = [NSData dataWithContentsOfURL: url];