iOS [newbie] How do I debug a variables value?

[Danneman101]

How do I debug (or see) a variables value if I dont have any room for text in my app? Is there a console that you can output text with debug-info to that runs at the same time as the simulator, kind of like you have in Flash-development?

 

[jnic]

NSLog(@"A debug string.");

Run > Console

 

[Danneman101]

Thanks for the quick answer, jnic.

However, I need to view a variables content when navigating the app, and doing run->console only seem to do the initial code-setup.

Perhaps the easiest way would probably be to do a message-window:

// DEBUG: Alert-window
UIAlertView *debugAlert = [[UIAlertView alloc] initWithTitle:tempUrlString message:@"=savedUrlString" delegate:self cancelButtonTitle:nil otherButtonTitles:@"OK", nil];
[debugAlert show];

 

[jnic]

For real debugging, add some breakpoints and Run > Debugger.

There's a good primer in the docs on debugging in Xcode.

 

[CommanderData]

Thanks for the quick answer, jnic.

However, I need to view a variables content when navigating the app, and doing run->console only seem to do the initial code-setup.

Perhaps the easiest way would probably be to do a message-window:

// DEBUG: Alert-window
UIAlertView *debugAlert = [[UIAlertView alloc] initWithTitle:tempUrlString message:@"=savedUrlString" delegate:self cancelButtonTitle:nil otherButtonTitles:@"OK", nil];
[debugAlert show];

See my response in "that other iPhone SDK forum" you posted in

 

[Danneman101]

As I said in the "that other iPhone SDK forum" I was under the impression that the console couldn't run alongside and in real-time with the simulator and only captured the code executed at setup. Stupid assumption, really, since that would make it really limited

This is much better than having a lot of pop-ups appearing with debug-info, so thanks (all of you) for clearing this out - debugging just became much easier