I have class Distance and typedef enum Unit, @interface Distance:NSObject{ double m_miles; } @property double m_miles; -(Distance *) initWithDistance: (double) value andUnit:(Unit) unit; @implementation Distance -(Distance *)initWithDistance: (double) value andUnit:(Unit) unit{ self = [super init]; if (self){ switch (unit...
Hi, Can someone please help me write the following, without using dot notation: self.bounds.size.width I have tried [[[self bounds] size] width], but this results in an error. Any ideas? ...
I create an object: SA_OAuthTwitterEngine *_engine = [[SA_OAuthTwitterEngine alloc] initOAuthWithDelegate:self]; then set the consumerKey and the consumerSecret... I can get the followers without problems by calling: [_engine getFollowersIncludingCurrentStatus:0]; Everything fine until now: I have to get the people that the user f...
hi, I'm trying to add a button to the uitableviewcell and i just can't get it to work any suggestions what i'm doing wrong?? checkButton = [UIButton buttonWithType:UIButtonTypeCustom]; [checkButton setFrame:CGRectMake(0, 0, 30, 30)]; [checkButton setBackgroundImage:[[UIImage imageNamed:@"checked.png"] stretchableImageWithLeftCapWidth:10...
I have an app where i have set the status bar to be hidden, in the plist. At first all looks fine, but then in one place in my app i use presentModalViewController to show another view. (this view is to show the twitter login screen) When i get out of the view (twitter login screen) and i get back in my app all my views move up. After...
Hi all, I've seen several posts with people having this issue but no solutions. Basically clicking a UITextField to show the keyboard for the first time eats up ~4mb of memory (according to the activity monitor) and I never get that memory back (and I need it back :P). I know that UIKit will often take up a large chunk of memory for t...
I know this is kind of a vague question, but does anyone know how to get rid of choppy scrolling on a tableview? Thanks ...
Anyone have a good idea for a method of achieving random floaty motion? Like, just general smooth drift in a constrained area. This is what I tried: var rangeX = 100; var rangeY = 100; var gravity = .001; $('.floating').each(function() { $(this).data('startX', $(this).position().left); $(this).data('startY', $(this).position()...
Instead of loading a PDF from the resources folder I would like to load it from the documents directory. I have been trying to do this for days but the CGPDFDocumentRef keeps returning NULL. Here is my code: // Get Documents Directory NSArray *searchPaths = NSSearchPathForDirectoriesInDomains(NSDocu...
I am writing an application and I am at this point at the workflow: -File A doesn't exist? -Copy file B to file A -Error? -Copy file B to file A with higher privileges The problem is in the `Copy file B to file A with higher privileges' step. I am new to asking the admin for his/her password. I'd like a window similar to this, w...
Hi, As many objc developers, I ended-up reading and reading again the Apple Memory Management Programming Guide, because that's the best way to understand retain/release/autorelease mechanisms. In this page, there is really an example I do not understand: http://developer.apple.com/library/ios/#documentation/Cocoa/Conceptual/MemoryMgm...
Hi, I just can't seem figure out how to do this hopefully someone here can help me. In my tableview i want to add checkboxes to each cell and if you touch the checkbox a checkmark appears and a specific action is supposed to happen. but if you just touch the cell a different action is supposed to happen. Does anyone have an idea how to d...
XCode accepts it. But will retain be applied when I internally set the property (no setter outside since readonly but when I initialize the value in a class method) ? Regards, Apple92 ...
I am a beginner at this :) I have an app which changes an image of a UIImageView when a button is pushed, each image is about 200 kb, when run in the simulator it runs ok, I can change the image many times with no problems. When run on my device (ipod touch) it loads ok, it sluggishly gets through about 4 images and then it crashes. Wh...
Hey I'm trying to do the equivalent thing that the iOS 4.0 method CALayer::contentsScale does, which scales the size of the backing bitmap of the layer. Any way to do this in iOS 3.2, probably by setting the frame size and applying a transform? ...
I used to be able to do forEach loops in XCode, but after installing sdk 4 i get errors error: nested functions are disabled, use -fnested-functions to re-enable How can i enable nested functions It says "use -fnested-", but use is where? how? for (MyObject *obj : array) { } ...
Ok, this is a hard one. I have three things: An iPhone app PHP-mySQL database on a server Google App Engine (?) The iPhone app is working fine storing data in the database. I'd like to notify some subscribers when the database changes (i.e. someone uploads something). I assume the app is running, so I just want the view up to date....
I'm getting an odd error in my console when running my app sometimes: ImageIO: ERROR - MetadataLib.dylib not found I'm not sure what this is related to, but I am running AdMobs ads. ...
How can I setup my app to handle low memory situations? What are best practices? Incident Identifier: 8BFDA96C-1019-4316-A278-CB86CC67172A CrashReporter Key: 1657e021ecba3a19c5ed9f0cff62947a426a2bc2 Hardware Model: iPhone3,1 OS Version: iPhone OS 4.1 (8B117) Date: 2010-09-28 00:00:12 -0700 ...
So I want to build an application in Objective C for a site that I use. Here is an example of their login API: Verify Credentials Allows authenticating user to check username/password. URL: http://myanimelist.net/api/account/verify_credentials.xml Formats: xml HTTP Method(s): GET Requires Authentication: true Response: Success: 200...