iOS Xcode 4.3 debugging tips

[AlbuquerqueApac]

Hello all!

I have managed to get an App running in my iOS simulator.

However, I am getting certain exceptions for certain functions and I would like to track them down in the source code. I am getting memory segments in the debugging information, which isn't overly helpful. I have seen some info online about introducing breakpoints as (unhandled) exceptions are thrown.

Any techniques that will aid in tracking down bugs?

 

[jnoxx]

Adding an exception breakpoint, so you see where it goes wrong.. second is to turn on NSZombieEnabled so you can see where the zombies occur (the breakpoint works better)

 

[AlbuquerqueApac]

Do you add thes eonce the exception has occured? or before you run your program.

 

[jnoxx]

You have to add it once, go to the breakpoint tab in Xcode, press the + at the bottom, click add Excpetion breakpoint.
Press -> Exception: All
Break: On Throw
ACtually click on "Click to add an action", it will say debugger command, but do "log message" there, and in the debugger command press "@exp@"
If you press done now and run, it should run a breakpoint at where exactly it should go wrong 🙂

 

[dejo]

Have you checked out the Debugging and Analyzing Your Code section of the Xcode 4 User Guide?

 

[AlbuquerqueApac]

Thanks guys! Very helpful! 🙂