When I use the standard [view.layer renderInContext:UIGraphicsGetCurrentContext()]; method for turning views into images on the iPhone camera modal view, all I get is the controls with black where the camera preview was. Anyone have a solution for this? Speed is not an issue. ...
Hi I am developing a game in which I am using Landscape mode I have total 4 view. 2 views are properly coming in Landscape mode. But in third view I have UITable and Navigation bar. I can able to rotate table in landscape mode but not able to transform Navigation bar and Navigation controller. Navigation bar and Navigation Controller al...
I'm attempting to implement a 'better' address book for IPhone and I just want to make additions to Apple's current address book interface. Do I have to re-implement everything from scratch (contacts divided by letter headers, all alphabet buttons on the right, and so on) or is there a way I can somehow use and modify the PeoplePicker vi...
I have a simple RSS reader. Stories are downloaded, put into a UITableView, and when you click it, each story loads in a UIWebView. It works great. Now though, I'd like to incorporate an image on the left side (like you'd see in the YouTube app). However, since my app pulls from an RSS feed, I can't simply specify image X to appear in ro...
Sorry if this is a broad question, but other than Objective-C, Cocoa, and OpenGL ES, what technologies or concepts would you suggest I read up on before writing a game for the iPhone? I'm a beginning game developer and need all the help I can get :) ...
I'm trying to pick between the Oolong and SIO2 free iPhone game engines for my first game programming project. I have some Cocoa experience and many years of C++ including relatively low level 2D graphics and developing Quicktime plugins but only minor OpenGL exposure. Which engine would be easiest to learn and most productive for someon...
I want to be able to 'reserve' a set amount of disk space on my iPhone for my particular application. Before I get flamed I should add this is NOT for a public application. I assume the simplest way to do this is to actually create blocks of files up to the space I wish to reserve and then delete and use these blocks as necessary. Is t...
My usercase is an iphone application where I do an animation on the scale, rotation and translation of an image. So, I concat everything and feed it to the transform property, but there is one problem: Since my images vary in size, it is a problem to position them correctly. I'm used to an inverted y axis coordinate system, so I want m...
I want to pull out a string from an array by index. e.g array with object: @"Hello", @"World" How to get @"World" from it? I use array[1], but it seems not work. ...
Hi, I have built a UITableView with custom cells which each contain 5 textfields (a bit like a grid). The cells can be edited inline (no need to go in a separate view). I am faced with some wierd defects when it comes to using reloadData. my table footer is dynamic (calculates a value based on the cells). Should I call reloadData eve...
Hi, I'm doing an iPhone application which uses a navigation control to browse through some data. This data is stored in a sqlite database and I have a class which gets it and returns it in a NSMutableArray of NSStrings. The problem is that in the first screen of the navigation everything works prefectly, but in the second screen (anoth...
I want to add some marks to separate some strings. How to add a char to a string? e.g. add '\x01' to "Hello", add '\x02' before "World" and add '\x03' after "World". So I can create a string "\x01 Hello \x02 World \x03" which has some separate marks. ...
I have the following method -(NSMutableArray *) getPaises { NSMutableArray * paises; paises = [[NSMutableArray alloc] init]; while( get new row ) { NSString *aPais = [NSString stringWithUTF8String:(char *)sqlite3_column_text(compiledStatement, 0)]; [paises addObject:aPais]; } return paises; }...
I'm developing an App for my iPod Touch that doesn't use the iPhone-Special-Hardware like phone or cam. I want to test it on my iPod touch. I am already a registered developer (free account, no fee). What are the steps to get my app working on my iPod touch? ...
I want to write some methods in a class so that other classes can call these methods using [instance methodName:Parameter]. If the class is a subclass of UIViewController, I can use initWithNibName to initialize it. But I want to write the methods in an NSObject's subclass, how can I initialize it? ...
I want to send a string from one class to the other: 1) In class1, I add a property to hold the string: @property (nonatomic, retain) NSString *str; 2) and a method to send back a string: -(NSString *)sendBackStr:(NSString *)strURL { NSString *str = [[NSString alloc] stringWithString:strURL]; return str; } 3) In class2, I...
I have three UIBarButtonItem created as below. They align left and I'd like to align center so there isn't a gap on the right side. I don't see an align property on UIToolBar. Is there another way to accomplish this? //create some buttons UIBarButtonItem *aboutButton = [[UIBarButtonItem alloc] initWithTitle:@"About" style:UIBarButton...
Can someone point out what is the difference? And what for do we actually pay so much money, when supporting the iPhone with our hard work? Is it right that I have to have the Enterprise Membership (299 USD), when I want to sell Apps for money? Or can I also sell Apps when I "only" have the cheaper Standard Membership (99 USD)? Is the...
What does it mean that I have to "apply"? Can day say: "No, we don't like your nose. Do something else!"? Did they do that in the past? I've been investing now two full months worth about 20.000 USD on learning for iPhone programming, and I didn't apply yet... ...
Hi People :) I have from 4 up to 20 variables that differ in size. They are all of type float and number values. Is there an easy way to find the smallest value among them and assign it to a variable? Thanks ...