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• Cocoa touch - GameKit GKPeerPickerController devices

  - by teepusink

  Hi, I'm now testing GKPeerPickerController. I have a simple app that just have a button and do GKPeerPickerController on a device. However, all it does is "Looking for other iPhones or iPod touches..." I do have another device nearby with bluetooth turned on BUT without the app installed. Does that other device also need to have the app…

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• Cocoa Webkit visit url without typing http://?

  - by Raptrex

  Is there a way to visit a website without typing http://?

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• Directly accessing the NSPopupButtonCell of an NSPopupButton (Cocoa OSX)

  - by Michael Minerva

  I know this is not normally recommended but I really need to access the NSPopupButtonCell of NSPopupButton. Is there a way to do this?

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• [Cocoa] NSImage transparency

  - by ndg

  I'm trying to set a custom drag icon for use in an NSTableView. Everything seems to work but I've run into a problem due to my inexperience with Quartz. - (NSImage *)dragImageForRowsWithIndexes:(NSIndexSet *)dragRows tableColumns:(NSArray *)tableColumns event:(NSEvent *)dragEvent offset:(NSPointPointer)dragImageOffset { NSImage…

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• Creating a "permanent" Cocoa object

  - by quixoto

  I have an object factory that hands out instances of certain "constant" objects. I'd like these objects to be protected against bad memory management by clients. This is how I've overridden the class's key methods. Am I missing anything (code or other considerations)? - (id)retain { return self; } - (NSUInteger)retainCount…

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• Catching multiple keystrokes simultaneously in Cocoa

  - by Vinod Kumar

  I have used 4 NSButtons and assigned them to the 4 arrow keys separately to move in four different directions. Now I want to use two keystrokes, left arrow and up arrow together simultaneously, for north east movement, how can I do it? I am only able to use one keystroke at a time , I need to catch two key strokes…

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• fork within Cocoa application

  - by liuliu

  My problem is not the best scenario for fork(). However, this is the best func I can get. I am working on a Firefox plugin on Mac OSX. To make it robust, I need to create a new process to run my plugin. The problem is, when I forked a new process, much like this: if (fork() == 0) exit(other_main()); However,…

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• cocoa , how to play avi on Mac via cocoa solution ?

  - by Robin

  as topic, is possible to play avi on Mac ? which framework could be use ? Thanks for your helping in advance . Regards

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• Colored iCal style checkboxes using Cocoa

  - by Andreas Järliden

  Is there a way to get colored checkboxes like in iCal without using custom drawing? I have looked through the documentation but can only find how to change the background and text color.

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• Sending a 'copy' command in cocoa

  - by Ben Packard

  Is there any way to send a copy (command-c) instruction without using a cgEvent to mimic the keystrokes? I don't have access to the text field in the application I want to take text from, so need to replicate manually copying to the clipboard, and there seemss to be a bug with cgevent posting. According the…

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• SImple links between UI objects in cocoa

  - by user365491

  I simply want to link a label to a slider in order for it to display the current value of that slider. This is my first time working with objective-c, and the problem seems far more complicated than in Java or C#. Help would be appreciated.

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• Cocoa Scripting Bridge and <contents> element

  - by Stephen

  So, the application I'm trying to script has a scripting definition file that includes a <contents> element, which is an "implicitly specified container." The question, how do I get at what's inside this element using Scripting Bridge? Or alternatively, how do I send the Apple Event necessary to…

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• didReceiveDataOfLength: Problems in cocoa

  - by happyCoding25

  Hello, Im trying to get the amont of data downloaded with this - (void)download:(NSURLDownload *)theDownload didReceiveDataOfLength:(NSUInteger)length code from apples website but I need to convert the length to a string. How might I do this? Thanks in advance

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• Referencing to objects from anywhere in Cocoa

  - by dave-gennel

  What's the best way to reference to a dynamically allocated object (particularly interface elements) so I can access them from everywhere in the current class? @synthesize? declaring the object in the interface section? anything else?

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• SBJson returning nil causing cocoa window to not show up

  - by Matt S.

  I'm using the example here. If there isn't a value for the key, my application returns -[NSCFArray insertObject:atIndex:]: attempt to insert nil in the console, and my window doesn't show up. How could I preform a check to make sure this doesn't happen?

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• Mac OS - Download an save an image file on HDD with Cocoa

  - by Julien

  I'm building a program, and I'm quite confident using Objective-C, but I don't know how to programmatically download a file from the web and copy it on the hard drive. I started with : NSString url = @"http://spiritofpolo.com/images/logo.png"; NSData* data = [NSData dataWithContentsOfURL:[NSURL…

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• Cocoa: Set selected color

  - by Matt S.

  How can I set the selection color? In this case, it's the color of a selection in an NSTableView

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• Cocoa touch - creating view template for iPad

  - by teepusink

  Hi, This is kinda a hard question to describe. I'm just starting to make an iPad app. Now with the amount of real estate I have, I'm planning to have different but similar "views" to populate the space. (might be easier to think a newspaper site, where many of the columns are similar) I…

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• Clarification on Threads and Run Loops In Cocoa

  - by dubbeat

  I'm trying to learn about threading and I'm thoroughly confused. I'm sure all the answers are there in the apple docs but I just found it really hard to breakdown and digest. Maybe somebody could clear a thing or 2 up for me. 1)performSelectorOnMainThread Does the above simply register an…

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• Hiding NSPanel through a timer in Cocoa

  - by user307242

  Hello, I am new to Xcode and would like to know how to hide an NSPanel when a timer tick, I have tried to call [myNSPanel orderout:self], the code runs but the panel is still there. Do I need to do something different? Thanks in advance.

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• I cannot get the value of a table view cell in cocoa touch

  - by Michael Amici

  I am trying to get the value of a cell in a table view but it won't let me. If someone could help that would be great. int numberOfChecks = -1; numberOfChecks = numberOfChecks +1; if ([objectsForTable count]-1 >= numberOfChecks) { UITableViewCell *cell = [self.tableView…

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• Drop down view in cocoa

  - by coffeebean

  I'm looking to create a 'drop down' view that falls in front of the main window. An example of this would be the window that drops down when you click 'Advanced' in System Preferences-Networking. If someone could point me in the right direction documentation-wise that would be great.…

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• Cocoa: NSOpenPanel Threads

  - by Craig

  I am monitoring my application using Activity Monitor and whenever NSOpenPanel is called the application appears as having 9 threads and stays like that until the application is closed. Is there a way to release those threads?, Or am I simply misunderstanding what the threads number…

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• NSApp Sheets question in cocoa

  - by califguy

  Hi, Here's what I am trying to do. I need to prompt the user for a password prompt and until he enters the password and hits, say the Enter button on the sheet, I want to prevent the code being parsed in the background. Here's the code to run the sheet and when the user enters the…

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• Cocoa touch: decorating text

  - by user365904

  I've added a UIAppFont to my plist, and, happily, am able to write a custom font to my display. Now, if I had to display this custom font in a very large size with a yellow outline and purple in the middle- how in the world would I achieve that??

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