I would like to fire an event on touch when a user taps the title of the navigation bar of one of my views. I'm at a bit of a loss on whether I can access the view of the title of the UINavigationBar in order to wire up a touch event to it. Is this even possible? ...
Hello, why does this not work: - (void)viewDidLoad { Login *neu =[[Login alloc] initWithNibName:nil bundle:nil]; [self presentModalViewController:neu animated:NO]; } but this works -(IBAction)dologin:(id)sender{ Login *neu =[[Login alloc] initWithNibName:nil bundle:nil]; [self presentModalViewController:neu animated:NO]; } ...
Please suggest the best way of solving memory leaks on the iphone. What is the best use of release, autorelease, retain and which cases do each apply? ...
What is the most efficient way to get and cache a profile image for a user using MGTwitter? Our problem currently is that there must be a call to getUserInformationFor to get the url of the image, then getImageAtURL resulting in two calls to the server. Currently, we just need the image information, so its redundant to have to download ...
Can someone point me in the direction of how to implement an "autocomplete" search interface on the iPhone. I am assuming I will need to use a NSTimer to periodically check what has been typed and then submit that partial string to my data source and then display those. I need to connect it up with an existing web service returning JSON...
What is a good way to get a reference to "singleton" objects in Objective-C? Note, specifically, I am not referring to the singleton pattern, I am referring to objects of which there are normally only one instance. This specifically applies to application models. For example, in a cooking app, I would like a class (RecipeModel) that can ...
Hi I have a plist with some fixed data, for example orange apple banana I want to populate a tableview with this data, and the users reorder the table view, and then save the plist with the new order. Which is the best way to do this? Any tutorial that show how to do? A lot of thanks ...
I want to have user select between two different buttons on a view, If the the user selects the imageOne, a label is created called "imageOne", then I'll save the label into an array using the following technique: - (IBAction)saveData { NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)...
I have a CAShapeLayer that i add a CAGradientLayer to, but there is no clipping about the shape of the CAShapeLayer. ...
Hi, I'm sure this is memory related but I can't seem to figure out what variable is causing me problems. I'm releasing everything I allocate as far as I can tell. This loop seems to work fine if it runs 365 times but not 730 (its doing days in a year). Here is the snippet of code that is failing.. it never gets out of the loop when th...
I was wondering if there is a built-in font for Japanese kana in the iPhone OS? I was wanting to display kana characters and figured it would be easier to generate them in a UILabel as text versus creating a .PNG and display them in a UIImageView. I would want this to be available to non-Japanese iPhones/iPods. I'm not 100% aware if...
Hi all, I'm working on an app and I'd like to make sure that I'm managing memory properly and releasing everything that I should. In my viewDidLoad method I allocate some variables in determining which background to apply to the view (for internationalization) and the app works fine if I don't release them. The problem is that if I re...
I am using UIWebview in my app, when tap and hold on a link for a second an actionsheet pops up with some options OPEN, COPY and Cancel. How to add a custom option to the actionsheet ? ...
Does it have to do with mapping between different data models? To which other Core Data classes is this related? It doesn't look too obvious to me where this belongs to. Merging data models? Or is that just a stand-alone thing? When would I use NSPropertyMapping for example? ...
Hello. I am making an iPhone app that uses a few NSArrays. Right now I have to generate the arrays in each method. I know there has to be an more efficient way of doing this, like having the NSArrays created during initialization and then being available to all methods after that. The problem is, that when I create the NSArrays in th...
Hi there I am using a segmented control in my app. I am also setting segmented controls setImage property to set an image for each segment of the control. I am not sure how to set an Image for its UIControlStateSelected state. I mean I would like to set an image for my segmented controls selected state. Please let me know how do I do tha...
Hi there I using a segmented control on a view. With the help of this segmented control I would like to display to different tables on my view, Suppose I have two segments in my table on tap of segment 1 I would like to display table 1 and on tap of segment 2 I would like to display table 2 my table 1 is a Plain table and table 2 is a gr...
"fetching ... " ... fetching what? Persistent objects? What's the scientific term when I send a request to an persistent store to get back an managed object? ...
Seem like I'm not clearing the image correctly or something. On the other hand the view takes to much to render using the cos function. I appreciate if you can guide me to optmize the code with best practices. Thanks And I would like to share with you this link: http://iphonedevelopment.blogspot.com/2009/05/opengl-es-from-ground-up-tabl...
I have a UITableView full of custom draw cells. When the view rotates, it just stretches all my custom drawing. How can I get my views to redraw themselves when the view rotates? ...