Allocate them in viewWillAppear: if they are nil. Just create a conditionalInit method for the purpose of this and put it inside viewWillAppear.
On Dec 18, 2016, at 4:51 AM, Andreas Falkenhahn wrote: > I do not use Interface Builder or Storyboards to create my GUI > but I do it manually. Currently, I'm setting up all controls > in viewDidLoad() of my UIViewController. > > So I'm doing stuff like this in viewDidLoad(): > > UIButton *button = [UIButton buttonWithType:UIButtonTypeRoundedRect]; > ... > [self.view addSubview:button]; > > The actual positioning is then done in viewDidLayoutSubviews(), > depending on the device's orientation. > > According to my research, iOS versions before v6 purged views > on low-memory conditions but AFAIU this is no longer done starting > with v6. My app targets iOS 8.0 and up so can I rely on viewDidLoad() > being called only once? > > The reason why I'm asking is that I retain some controls in > viewDidLoad() because I need them later. I release those controls > in dealloc(). Now, if viewDidLoad() could be called more than > once, I'd leak memory. But since viewDidUnload() is deprecated > anyway, I think it is safe to assume viewDidLoad() is only called > once because otherwise Apple would have to provide viewDidUnload() > as well... but still, I'd be glad if somebody could just confirm > my observations. Thanks. > > -- > Best regards, > Andreas Falkenhahn mailto:andr...@falkenhahn.com > > _______________________________________________ > > Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) > > Please do not post admin requests or moderator comments to the list. > Contact the moderators at cocoa-dev-admins(at)lists.apple.com > > Help/Unsubscribe/Update your Subscription: > https://lists.apple.com/mailman/options/cocoa-dev/zav%40mac.com > > This email sent to z...@mac.com _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com
