Comments for markjnet

Comment on UITables with Downloaded Images – Easy Asynchronous Code by Daily Review #49 | The Queue Blog

Daily Review #49 | The Queue Blog — Sun, 07 Mar 2010 04:11:13 +0000

[...] UITables with Downloaded Images – if you want to load images on a background thread, you should read this. I have an iphone app coming up and I might give Titanium a hard look. [...]

Comment on What Color is My Pixel? Image based color picker on iPhone by pinkroad » Blog Archive » pixel RGB value

pinkroad » Blog Archive » pixel RGB value — Sat, 06 Mar 2010 10:21:23 +0000

[...] http://www.markj.net/iphone-uiimage-pixel-color/ [...]

Comment on iPhone Memory Debugging with NSZombie and Instruments by Conrad Kramer

Conrad Kramer — Fri, 05 Mar 2010 02:16:59 +0000

I have errors occurring in my process that is on a different thread. I use [NSThread detachNewThreadSelector:... toTarget:self withObject:nil] and I don’t get any calls from NSZombie, and in GDB it doesn’t say EXC_BAD_ACCESS. It just quits. Any help would be appreciated.

Thanks,
Conrad Kramer
email me at: conradkramersapps@gmail.com

Comment on 6 Months of iPhone App Sales Stats, Cause and Effect. by Please help me with these Apple app store numbers!! : Tubologue

Please help me with these Apple app store numbers!! : Tubologue — Thu, 04 Mar 2010 21:57:51 +0000

[...] Tennis is another game I found on the Internet. According to the developer Mark, number of sold games are 43.19 – x/2 units each day (x being number of days from the [...]

Comment on Christmas Day 4x sales boost for iPhone Games – Hit Tennis numbers by Massive Christmas iPod Touch Sales Boost App Store Downloads « MacRumors.com

Wed, 03 Mar 2010 15:14:45 +0000

[...] for Hit Tennis Hit Tennis [App Store] developer Mark Johnson reported a 4x sales increase on Christmas for his tennis game and provides this striking graph [...]

Comment on UITables with Downloaded Images – Easy Asynchronous Code by iPhone uygulamaları geliştirmek isteyenler için ücretsiz 100 kurs ve rehber « Kerem PALABIYIK

Sat, 27 Feb 2010 20:49:43 +0000

[...] iPhone Asynchonous Table Image: Follow this thorough article to learn about loading multiple images in your iPhone app in an asynchonous manner. [Markj] [...]

Comment on UITables with Downloaded Images – Easy Asynchronous Code by radha

radha — Sat, 27 Feb 2010 11:17:53 +0000

Hi !
I have been trying to sort the cells in my UITable view in alphabetical order.
can anybody help me.

thanx in advance.

Comment on iPhone Memory Debugging with NSZombie and Instruments by Jorge Bernal

Jorge Bernal — Fri, 26 Feb 2010 13:09:00 +0000

Cool! My guess was that Instruments would allow that easily, but I wasn’t expecting such a simple solution. Thanks for the video :)

Comment on iPhone Memory Debugging with NSZombie and Instruments by Learn Yourself to Debug Good With XCode and Instruments « dispatchEvent()™

Learn Yourself to Debug Good With XCode and Instruments « dispatchEvent()™ — Thu, 25 Feb 2010 09:32:57 +0000

[...] you access an object that has vanished into thin air, most likely because you over-released it. This screencast from Mark Johnson shows you how to debug these errors with Instruments and NSZombies. You’ll [...]

Comment on What Color is My Pixel? Image based color picker on iPhone by James

James — Mon, 22 Feb 2010 00:39:58 +0000

Carl, Great suggestion to deal with scaling!

For those who are wondering, the additional code looks like this. I didn’t accomodate image offset since my image takes up the entire view. YMMV. My image was smaller than my frame. You might have to flip the division if your ratio is the opposite.

size_t w = CGImageGetWidth(inImage); //Written by Mark
size_t h = CGImageGetHeight(inImage); //Written by Mark
float xscale = w / self.frame.size.width;
float yscale = h / self.frame.size.height;
point.x = point.x * xscale;
point.y = point.y * yscale;