will the retained/strong class member variables got automatically clean'd up on unloading a view controller?

Question

I have the following property

.h

@property (nonatomic, strong) NSMutableDictionary *cache;

.m

@synthesize cache = _cach         


        

Answer 1

Can not answer for ARC, but viewdidUnload does not mean the VC is released. It means the view is being released. To force it, you can try having a NavigationController, push a couple of views, and in Simulator send some Memory Warnings. viewDidUnload will be called for the vcs that are not the top one.

Re: ARC, you can surely have a dealloc method, that will be called when the vc is released. Simply don't call super.