Comments on: Cocoa conceptual problems

By: Cliff Harris

Cliff Harris — Thu, 29 Apr 2010 15:20:58 +0000

One thing I think is strange is that many authors talk so much about memory management and such but -dealloc is never called according to my NSLogs.

I read somewhere that an iPhone app is sent a kill when you press the Home button, which does exactly that: stops it in its tracks immediately. I heard this is done to speed up the exit process. No memory management on exit is needed.

I’m wondering why I need to be obsessed with memory when I have (supposedly) 28Mb and my app will never use anywhere near that amount. I read that the 28Mb is actually shared with all the background Apple processes and that I might have much less than that. How do I find out how much memory I actually have to work with? I’ve never seen any mention of how to determine this (except for jailbroken iPhones).

By: 3 Cool Articles I Found this Week | How to Make iPhone Apps

3 Cool Articles I Found this Week | How to Make iPhone Apps — Fri, 12 Jun 2009 13:56:28 +0000

[...] Cocoa conceptual problems [...]

By: Corey

Corey — Thu, 04 Jun 2009 04:50:45 +0000

@Matt
I feel the same way when in particular when it comes to Core Graphics and Core Animation. I just copy ad paste when it comes to CG and I figure it as I have all the inevitable problems. With Core Animation, I have the great Bill Dudney book. Even still, it is mainly Mac focused and feels a bit over me at times. Transactions, actions and groups cause my brain tumor to grow significantly each time I think about them.

@candy
The LaMarche book is good, but to be honest I probably bought it to late. I got much of my first coding done by following the iCodeBlog tutorials. It was one of the blogs before the fall of the Great NDA. For me the best way was going through tutorials and then just changing everything I could and keeping it working. The next thing I did was just pick a project and said “I will learn everything I need to build and ship this app”. That is how we built Compounds.

By: candy

candy — Wed, 03 Jun 2009 23:54:15 +0000

About 60% of the way thru the LaMarche book and 30% thru Kochan, I feel like I’m in cave partially lit by my candle light. The trouble is that when I move to a new area, wherever I have just been goes dark again. I’m not sure I’ll ever see the whole cave.

By: MattjDrake

MattjDrake — Wed, 03 Jun 2009 23:25:23 +0000

Great post – after a year learning Cocoa my head is still spinning. Sometimes I still wonder whether I truly understand how to program on the iPhone or I have just started following a set of rules that allow we to more or less cope with the oddness of the platform. I have an almost superstitious approach to certain likes (like how I handle memory). It feels a lot more like OCD than programming -

“Don’t step on the crack in the sidewalk or your will over-release your object”

Or something like that.

By: iPhoneKicks.com

iPhoneKicks.com — Mon, 01 Jun 2009 09:23:31 +0000

Conceptual Problems in Cocoa Touch…

You’ve been kicked (a good thing) – Trackback from iPhoneKicks.com – iPhone SDK links, community driven…