i have seen a few (discouraging) questions related to this subject but I am still not clear on the answer. is it possible to cache video content for immediate playback in an offline web app on the iphone or ipad? (i believe that there is a 5mb limit for any cached file.) can videos cache the same way other files can, using the manife...
If i create a simple class like this @interface table : NSObject { NSMutableArray *array; } @end and in the Init method I call: array = [[NSMUtableArray alloc] init]; and in the dealloc method I call: [array release]; but I have a memory leek because the dealloc method is never called. I must call the dealloc method by myself? ...
I'm just starting out with iOS programming. I'm wondering why view is an outlet on UIViewController. When I look at UIViewController.h, the keyword IBOutlet isn't present. I thought all outlets available in Interface Builder had to be declared as IBOutlet. Am I missing something here? ...
Hello guys, Did someone knows if I need to provide In App Purchase testing users info (user and password) when I submit an application that uses In App Purchase? Thank you. ...
Why when I code I can do: NSString *test; test = @"stack"; test = @"overflow"; without any problems, NSString is not supposed to be immutable? ...
All I want is an integer which everytime my app opens is incremented by one. Is there an easy way to do this? Please help. Thanks, in advance. ...
So far I've seen flurry and Mixpanel. Mixpanel appears to be the most interesting: http://mixpanel.com/iphone-analytics/ and has a flexible API. However still wondering what else is out there and what other people might be using, thanks! ...
I've created a UIView subclass and corresponding xib file where I've laid out some UILabels and UIImageViews. I want to then put multiple copies of this custom UIView into a UIViewController. When I do that they appear blank in interface builder and don't appear when the app loads. What methods do I need to implement on the UIView subc...
I can't seem to find a clear answer to this-- I'm spec'ing out an iPhone app that I'd like to have live in the background and notify the user at certain periods throughout the day. So the user would launch the app in the morning and then continue to use their phone, then every few hours the app would pop open a notification dialog. Will...
How can I make a button that says "Show Picture" and when it's clicked it changes to "Hide Picture". I'm new to objective C, I know how to make a button in interface builder but don't know how to switch the button's text and function. Can someone help me out? ...
Hi, just a quick one: How do I make a UITextView transparent? I built the view in Interface Builder and placed a UITextView into it and it covers the background. Any ideas? ...
I have a custom-drawn UIView (i.e. uses drawView to render itself). The data to be displayed will usually be larger than the screen can show, so I want to include scroll view functionality in the view so clients of the class don't have to deal with it, and so the custom view can handle lazy loading of data as it's scrolled. But how do ...
So I want to change the UIPickerView background to add a black rectangle next to the white part of the scroller, a la the Convert app. However I'm not sure how to go about doing that. I know there's no direct way to do it, but I've also looked at trying to write my own UIPickerView from scratch using UIScrollView. This didn't seem ver...
Hello everyone. I'm a beginner, so please excuse me if I'm missing something obvious :-) The title says it all. The table I'm having problem with is pushed from another table controller, and there is only one section in this table, and I'm using custom cells. Here is the code for numberOfRowsInSection: - (NSInteger)tableView:(UITableVi...
I have been wondering for quite some time if there is a way to find the locations of all the pixels that match a certain pixel set in a UIImage. What I have so far is a simple code to find the RGB8 values for the pixel I have selected: - (void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event { UITouch *touch = [touches anyOb...
Hi, I'm trying to make resizable UIViews of which users can resize (code is done for that) and drag it around. Now I need to make it look like what it looks like in IB, with circles at its corners to drag, and dotted lines as borders of the UIView. How do you think I should go about doing this? Many thanks. ...
I dont know the exact code i need to retrieve all of the filenames of the resources in my iphone apps mainBundle. if i could have some kind of code like: NSArray *array = [[NSBundle mainBundle] getAllResourceFilenames]; it would be helpful. thanks inadvanced for any help! ...
In my app I am displaying PDF pages and want to allow the user to "mark up" the document by freehand drawing on top of the page. I can handle the Quartz code for doing the freehand drawing, but what approach can I used to save these "mark ups" so that they can be re-displayed over the page the next time the user loads the PDF into the a...
I've seen many other questions on this same topic but they're not very clear to me, someone new to Objective-C. I need a plain english explanation. 'Coder speak' is much too difficult for me to understand at this point in my learning. ...
Does anyone know how to view the HTML code of a webapp that's saved to the iPhone home screen? Some webapps redirect to a different html file when they get "promoted" to the home screen. It's that code I'd like to examine. ...