i am getting this error and dont know what to do with that:
AppName(3786,0xa0810540) malloc: *** mmap(size=16777216) failed (error code=12)
*** error: can\'t
Googling will reveal quite a few tutorials on using instruments to understand what is going on with your memory:
How to debug memory leaks: (tutorial)
http://www.raywenderlich.com/2696/how-to-debug-memory-leaks-with-xcode-and-instruments-tutorial
And another:
Finding Obj-C memory leaks (video)
http://www.youtube.com/watch?v=R449qEuexNs&feature=related
*There are many similar questions on stackoverflow you might benefit from.