I want to send a UIImage to a server with socket. I'm using this code from ADC: - (IBAction)searchForSite:(id)sender { NSString *urlStr = [sender stringValue]; if (![urlStr isEqualToString:@""]) { [searchField setEnabled:NO]; NSURL *website = [NSURL URLWithString:urlStr]; if (!website) { ...
Hi,all, me again with another noob Cocos2d iphone question. I've set my Director to Landscape, but when I was looking at the coordinates of the 'Touch Event' it was still picking them up as though the screen was portrait. So they were basically reversed. x = 100, y = 50 should have been x = 50, y = 100 No biggie, it was easily ...
I have Three different views on iphone. I switch between different views successfully, but I want to access the 1st view's variable in second view's ViewDidLoad method but I can't get it so plz help me on that. ...
MainViewController.h @class EventViewController; @class MainViewController; @interface MainViewController : UIViewController { EventViewController *eventViewController; MainViewController *mainViewController; //extern int i; @public NSString *titlegame; } @property (retain,nonatomic) EventViewController *eventViewContr...
I have a content based, read-only iPhone app. Users can select favorite topics, which I need to track. Some topics I'd like to make available between app updates through the App Store. I'll need to track if users have downloaded these particular topics or not until the App Store update is available. This approach will consist of two ...
I want to save the current tab the user is in when he/she quits the application so I can load the application with that tab highlighted when the user re-enters the app. I presume I use the following method within my app delegate to save the current tab - (void)applicationWillTerminate:(UIApplication *)application but how do I gain acc...
Suppose I have an @property declared like this: @property (readwrite,retain) NSObject *someObject; And I synthesize it like this: @synthesize someObject = _someObject; This generates getters/setters for me. Also, according to the docs, the setter will have built in thread safety code. Now, suppose I want to add some code to the se...
Can anyone please suggest me some links for using textField in cocos2d. I want to press on label, then textfield should get selected and i need to edit on that textfield. Please help me on this ...
Even the standard blank-window Cocoa app that gets built when you make a new Cocoa project in Xcode uses almost 6 MB of memory. What's the reason for this? Is it possible to make an app use less, or does OS X simply manage memory differently for Cocoa apps? Not that I'm complaining. I know that performance "hardly matters anymore" (edit...
Does anyone know a good beginners guide to using OpenGLES on the iPhone? I have found some but they all require assumed knowledge which I don't have. ...
So my app is crashing, and I'm kind of at a loss on how to use XCode to debug. I found a forum on macforums about putting a breakpoint at "objc_exception_throw"... although I'm not really sure where to go from there. Any general guidelines for debugging in XCode? ...
When Objective C containers are dealloc'd, do they release their references to the objects they contain or do I need to do that manually? ...
I'm new to Objective-C and development on Apple's platforms, but hopefully I can frame this question in an understandable way regardless :) I want to parse an XML feed for my iPhone app, and I decided instead of shoving all of the delegation methods from an instance of NSXMLParser into my view controller, I'd wrap this up inside of a Fe...
I'm trying to create some kind of "Top 25" list in my app. I've used NSPredicate to filter the contents of the array controller but I want to limit the number of the results to just 25 objects. How could I do that? ...
I want to convert a UIImage to an NSOutputStream and send it to a server through socket. #import "Connection.h" @implementation Connection -(void) open: (NSString *) h : (int) p { strHost = h; intPort = p; [NSStream getStreamsToHost:objHost port:intPort inputStream: [receiveStream retain]; [sendStr...
After doing some reading, I've found that you can customize the text and color on a UISwitch control. I'm curious if these methods will cause problems trying to get my app approved and included in the App Store. Sample code taken from iPhone Developer's Cookbook Sample Code: // Custom font, color switchView = [[UICustomSwitch alloc] i...
How to you make an NSArray full of multiple instances of a CALayer (all with the same frame, contents etc)? Background: CALayer takes a bit of overhead to create, so I would like to create a number of CALayers (all sharing the same properties) in the init method of a class (to be used later on in that class.) ...
I'm trying to implement some very simple line drawing animation for my iPhone app. I would like to draw a rectangle on my view after a delay. I'm using performSelector to run my drawing method. -(void) drawRowAndColumn: (id) rowAndColumn { int rc = [rowAndColumn intValue]; CGContextRef context = UIGraphicsGetCurrentContext(); ...
I've got 60 or so web pages that I'd like to put into a directory. How can I modify this webview loadrequest to pull content from a directory? [webView loadRequest:[NSURLRequest requestWithURL:[NSURL fileURLWithPath: [[NSBundle mainBundle] pathForResource:docPage ofType:@"html"]isDirectory:NO]]]; ...
I test for first time in the real device, and after fixing some obvious performance problems I'm stuck in how do a smoth scrolling. This is what I do: The data is in sqlite I have a small array with the header I have in each header array the list of Id's from the Db Ej: Header A Ids= 1,2 Header B Ids= 3,4 I load lazy the c...