First trials in Cocoa app
First trials in Cocoa app
- Subject: First trials in Cocoa app
- From: Remco Poelstra <email@hidden>
- Date: Wed, 8 Sep 2010 10:21:59 +0200
Hi all,
I'm very new to Cocoa and I'm trying to build my first app after reading and doing tutorials.
I've a view with a UITextView on it and a button. When I press the button I want to call a third party C library which sends out and UDP packet searching for devices on the network. The responses of the devices are reported back with a callback that I've to supply.
In the callback I want to store the string information in a NSMutableString and then update the UITextView with that string.
I've a few problems: How can I pass a method from an object to the C library as callback? I'm currently using the NSViewController to define the method/callback.
If that's not possible, how can I define a function that can reach the objects of my application? The ViewController is stored in the ApplicationDeletegate, but I can't find any reference to that object.
I've defined the NSMutableString as a global in the viewcontroller header file, is that a good idea given the MVC design pattern?
Hope someone can get me started on this one.
Kind regards,
Remco Poelstra
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