As explained at this site, I could launch an app from Safari. I need to open an app that does some work behind the curtain, so I want an app that doesn't have a main window. Q : How can I make an app that doesn't have a main window or that doesn't show any window? ...
I need to launch 'TextMate' from an App, and I used the following code. [NSTask launchedTaskWithLaunchPath:@"/Applications/TextMate.app" arguments:[NSArray arrayWithObjects:@"hello.txt", nil]]; But, I got the following error return. *** NSTask: Task create for path '/Applications/TextMate.app' failed: 22, "Invalid argument". Termin...
I'm trying to (re-)write a program that uses USB controlled scanners. I've got my USBIOInterfaceInterface set up, so I can send and receive messages over the pipes. I am successfully calling WritePipeTO and ReadPipeTO synchronously but I want to read from the scanner asynchronously. I've tried using ReadPipeAsyncTO, but the callback nev...
I have come across an interesting conundrum (of course, I could just being doing something horribly wrong). I would like an NSTokenField to "represent" a relationship in a Core Data Application. The premise is such: You click on a Note from a TableView (loaded from the Notes Array Controller). The token field is then bound (through "val...
I found there are at least three ways to launch an app with Mac OS X from an application. NSTask. I can give parameters, but it seems that it's not for an Cocoa App, but an UNIX style binary. system function (system()) just the same way as C does. I don't know the reason why but it seems that nobody recommends this method. NSWorkspace...
I've created several Cocoa applications now, but I'm unsure of basic concepts of game development. I've written apps using very few custom interface elements and only very simple graphics work, and I'm looking to write a pretty basic 2D game to get started (but in realtime, not checkers or something (which I think I could handle already ...
I just like to implement a function : Develope a app , and have a outline view, which have a folder and file tree just like Finder or a app called PathFinder , how to implement it ? Thank you very much! ...
I've got a simple object "post" that has two NSMutableArrays as properties. One is for "image" objects and the other is for "video" objects. At some point in the lifecycle of "post", I ask it for a dictionary representation of itself. NSMutableDictionary *postDict = [post getDictionary]; -(NSMutableDictionary *)getDictionary{ NS...
I used a webkit to show a flash , but now I want to add a play button and control the flash , How to do ? thank you very much! ...
I tried to run equivalent of "TextMate foo.txt" using launchApplicationAtURL. The name of binary is "TextMate", and I have one parameter. I tried the following code, but it doesn't seem to work. // find the textmate NSURL * bURL = [[NSWorkspace sharedWorkspace] URLForApplicationWithBundleIdentifier:@"com.macromates.textmate"]; NSWork...
I find it hard to find some working examples of Cocoa/Carbon framework functions, whereas there are well documented function prototypes from Apple. For example, LSOpenItemsWithRole function has well defined prototype, but I guess some examples would be a great help for a mac programming beginners like me. How can I find some working ...
Is there a way to force quit all other applications from a cocoa app? If it kills the app itself if doesn't matter It supposed to quit too. It has to be force quit since i dont want any dialogue boxes about saving or anything poping up. Thanks! and cocoa as in desktop osx. NOT iPhone. ...
Hi all, I am trying a simple drag and drop application. I have created a subview of NSView named: CameraIcon, which has an image view and certain text fields over it. In its mouseDown: method, I am initiating drag operation, I have also given a NSLog in it, so that I can notice in debugger when it is clicked. Problem is: when I ...
I have a RESTful server and need to create the client in a Cocoa app. I have a model called Resource. When I GET /resources, my server returns all resources in JSON. I have a model called Client that owns many resources. The Client has an instance method -(NSMutableArray*)resources An NSArrayController manages the resources. The firs...
Hi, I'm currently working out the best structure for a document I'm trying to create. The document is basically a core data document that uses sqlite as its store, but uses the Apple provided NSPersistentDocument+FileWrapperSupport to enable file wrapper support. The document makes heavy use of media, such as images, videos, audio files...
Hello Everyone, I would like to access some values from a CFMutableDictionaryRef and then do some math on them. Using the code below I have managed to print some properties of my battery. I am also able to print out single values (although in doing so I get a warning:invalid receiver type:CFMutableDictionaryRef). Then I try to convert...
It would all be good to get: The process ID of each one How much CPU time gets used by the process and can we do this for Mac in C or Objective C? Some example code would be awesome! ...
It seems that when BSD signals are converted to thrown exceptions, it only work the first time but not subsequent times. I tried to convert signals to exception via the following call I made in the main method just before calling NSApplicationMain : [[NSExceptionHandler defaultExceptionHandler] setExceptionHandlingMask:NSHandleUncaught...
Hello, I have recently started learning cocoa development with a fairly large scale(probably Core Data based) application in mind as my goal. I have been looking into development methodologies that would be used to help build a higher quality product with better code and although I have found a couple that I am sure I would like to use,...
The Problem I'm writing a Cocoa application and I want to raise exceptions that will crash the application noisily. I have the following lines in my application delegate: [NSException raise:NSInternalInconsistencyException format:@"This should crash the application."]; abort(); The problem is, they don't bring down the application -...