Re: ARC
Re: ARC
- Subject: Re: ARC
- From: Turtle Creek Software via Cocoa-dev <email@hidden>
- Date: Fri, 23 Aug 2019 20:07:07 -0400
Sorry, it's a Mac app, written in Objective-C and C++.
We checked the Memory Graph and nothing seemed amiss.
On Fri, Aug 23, 2019 at 6:51 PM Alex Zavatone <email@hidden> wrote:
> Casey, it it’s an iOS app, read up on strong and weak and use the
> storyboard to breat your first screen.
>
> Assuming it’s an iOS app…
>
> Why are you allocating the controller in the app delegate? Are you
> embedding it in a Nav controller?
>
> ARC is fantastic.
>
> The view controller is within the window. I know I’ll need more info to
> help.
>
>
>
> > On Aug 23, 2019, at 4:17 PM, Casey McDermott via Cocoa-dev <
> email@hidden> wrote:
> >
> > We started out assuming that ARC was like Python or Java, where you
> could just allocate
> > objects and it would manage their lifetimes automatically. Then we read
> about the complexities
> > of ARC, and started adding __weak to upstream references.
> >
> > After we finished, the controller for our main window started being
> deallocated some random time after launch.
> > Apparently the erroneous strong references were keeping it alive.
> >
> > We allocate the controller in our app delegate class. It's a member but
> apparently that is not a
> > strong enough reference, so the controller is released at the end of the
> scope. What is best practice to
> > hold a strong reference on it until the app closes?
> >
> > BTW, one site we looked at describes ARC as "kind of like a Japanese
> B-horror movie". That seems accurate.
> >
> > Casey McDermott
> > TurtleSoft.com
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| References: | |
| | >ARC (From: Casey McDermott via Cocoa-dev <email@hidden>) |
| | >Re: ARC (From: Alex Zavatone via Cocoa-dev <email@hidden>) |