I am returning a string of either T or F from an NSDictionary key value pair. I'm trying to find out if it is the T or the F, but it never works like I would expect it to. I'm sure there is a very basic solution for this issue. if ([game objectForKey:@"complete"] == @"T") never evaluates to true. ...
Hi, I am reading an data from an XML file for my iPhone application. This data contains html tags such as <p></p> <strong> <B>, etc in it. By using NSString class can i remove these tags and format the display of the text as needed. For example, if text inside the <p> </p> i want to display it in next paragraph. Is it possible? Pleas...
Hello, I'm learning Objective-C and i would like to know where i can found a IDE for Objective-C on Linux? ...
I have a UITableView with custom cells. I have MyTableViewCell : UITableViewCell and MyTableViewCellContentView : UIView classes. What I'm doing is basically what is done in the AdvancedTableViewCells demo app from Apple with a slight change, on some rows I want to use a clearColor background to show the table's background behind the pa...
My goal is to achieve compatibility across 3.x SDK versions for UIImagePickerController and it's allows(Image)Editing property. // SDK 2.0 to 3.0 myImagePickerController.allowsImageEditing = YES; // SDK 3.1 myImagePickerController.allowsEditing = YES; Some research reveals some objective-c approaches, but what is considered best prac...
In objective-c/xcode, is there a way to write the definition of a method in the implementation and have automatically added to the header file? ...
Hi, is there anything like an identifier of a NSSThread? The following code: NSLog(@"thread: %@",(NSThread*)aThread); results in something like this: Thread: {name = (null), num = 6} Is there a way to get this thread number, maybe? Best, heinrich ...
I have working snippet along the lines of: for (UIButton *b in buttonMapping) { [b setTitle:@"yo!" forState:UIControlStateNormal]; [NSThread sleepForTimeInterval:1.0]; } There's four buttons, all four buttons update. However, instead of updating one per second, four seconds go by & they all update. How can I force UIButton to up...
I'm new to iPhone development and XCode in general and have no idea how to begin troubleshooting an EXC_BAD_ACCESS signal. How can I get XCode to break at the exact line that is causing the error? I can't seem to get XCode to stop on the line causing the problem, but I do see the following lines in my debug console: Sun Oct 25 15:...
I made a scrolling tile 2D video game in visual basic a few years back. I am translating it to Cocoa for the Mac. Is there a framework that would allow me to use BitBlt? Or is there an equivalent to BitBlt without using OpenGL? Thanks! ...
I've recently started down the road of programming in Objective-C, and I'm now looking into Core Data. However, I am confused about exactly what defines the model itself in Core Data. Here's what I mean: Say I create an entity with some set of attributes using the graphical model builder. I then have Xcode generate code for the corre...
How exactly does one implement two separate "tableviews" on one view like in this image: ...
I am attempting to fill some text with a gradient-fill, where by I set the text drawing mode to clipping, and then paint a gradient-fill. The problem is, whenever I set the text drawing mode to clip, every character of the text string is placed on top of each other, rather than being painted in a sequence to form a word - it is most biza...
I'm implementing a UIView's (UITableViewCell to be more exact) drawRect method. My view has a transparent background, so when something is changed in the view, the older drawn version still remains there. So if on the first drawRect draw an "A", then a "B" on the same point, I get both of them drawn on top of each other. How can I tell ...
Objective C on iPhone: I am attempting to declare the following object at class level so that i do not have to re-connect this socket every time I write something to it. (Writing things multiple times a second) whenever i am writing a steady stream of live data, about every 2 seconds it freezes. I don't know why, but it does. Code: Soc...
Hey I'm using AVAudioPlayer to play music in my iPhone app. In a class that I wrote I have an array that contains random ascending integers. (2, 4, 9, 17, 18, 20,...) These integers represent times in the song at which a certain event should occur. So if you take the above array, after 2 seconds of the song playing, some method should...
-(void)invokeMethod { NSMethodSignature * sig = [[source class] instanceMethodSignatureForSelector:@selector(mySelector:)]; NSInvocation * invocation = [NSInvocation invocationWithMethodSignature:sig]; [invocation setTarget:myTarget]; [invocation setSelector:@selector(mySelector:)]; MySubClassOfNSInvocationOperation...
What is the best way to bind Core Data entities to enum values so that I am able to assign a type property to the entity? In other words, I have an entity called Item with an itemType property that I want to be bound to an enum, what is the best way of going about this. ...
I have been creating a peer to peer connection for a new game, that does not use the peer picker. I am however dumbstruck as what to i put in here: - (void)session:(GKSession *)session didReceiveConnectionRequestFromPeer:(NSString *)peerID { NSLog(@"I GOTS A CONNECTION REQUEST"); if(connected == YES) { //deny all requests } else if(con...
how to find ip of iphone device programatically?? ...