Image with animation in iphone
I want to use the image in view which will move like marquee as in HTML,from one end to another end of view. Could anyone provide me with that code how to do that. Thanks in advance n please help me out with this. ...
iphone
Chanign color of UITableViewCellAccessoryCheckmark and UITextField
Hi, I want to change the color of UITableViewCellAccessoryCheckmark and UITextField background color where we type. I found this is not straight forward. Please help me. Thank you. ...
What's the current App Store Review turnaround time?
Have heard of developers waiting 2 to 6 weeks in 2009. When they reject the app, you resubmit and wait another 2 to 6 weeks. So finally the review takes a few months. Same for fixing bugs. Does this rule still apply? ...
NSArray problem with addressbook
Hi, I have implemented an addressbook, I don't know what I do wrong, but whenever I select an address my whole app crashes and i receive the error > 2010-10-21 11:57:13.922 ANWB[2989:207] > *** Terminating app due to uncaught exception 'NSRangeException', reason: > '*** -[NSCFArray objectAtIndex:]: > index (0) beyond bounds (0)' > 2010...
UIPickerview reloadComponent
Hi, I'm developing a three component pickerview where the labels in each component very according to the selection of other components. The problem I have is that the labels will change, but only after the component has been turned ie. it doesn't change immediately as I thought it would when the code is executed. How can I get the labe...
How to update numberOfRowsInSection using NSMutableArray count
In my app I allow users to add new rows of NSStrings to a UITableView. I save these new strings in an NSMutableArray *dataArray So for numberOfRowsInSection I return [dataArray count], but it seems to just return 0 all the time so my table is not auto-populating. If it helps, when I do an NSLog of [dataArray count] as a add more entrie...
creating Graphs and charts in iphone application ?
I saw a couple of applications in the itunes store with stunning visuals, how is it possible to create those graphs and charts. I know these things can also be created using Java script, is javascript used to create them ? ...
Books / Videos / Ressources to dive deep into Core Data?
My boss gave me the big mission to become an Core Data nerd. He wants me to spend at least 4 months fulltime on this topic, so that I can help with any problem that arises. Damn. Ok... I assume you have lots of great links for me! Let me suck them into my brain like a vacuum cleaner. Videos, Books, Ressources, etc... he gave me $500 bu...
Multiple animations and textures with Cocos2d - How to remove texture from memory?
I am writing an application where you push different buttons and a character gets animated. The thing is that I have many images, so I need to use one texture for each animation. Therefore I need to release sprite sheet and frame cash, but it does not seem to be working. Memory gets allocated more and more until the app crashes. Here is ...
export certificate is not working
Recently I am facing the following problems in provisioning. anybody has idea or solutions ? previously i used to set up certificate and profiles in one machine and then export the certificate and import that certificate [doulble click] and install that profile [double click] . it used to work great. Now when i import the certificate i...
identify an exception in an overall iphone app
Hi friends, How to identify an exception in an overall iphone app and throughing to user as alertview(like nsurlconnection exception) Regards, sathish ...
AVCaptureSession captureOutput high quality image
Is there any possibility to get a high-resolution image (like images from UIImagePicker) out of the captureOutput- method of the AvCaptureSession? My application should work like this: Fist I am looking for the object in the captureOutput- methode (low resolution image 640x480). After it's detected, I would like to get a high-resolution...
Difference between initWithNibName and initWithcodeer
can anyone please explain me about when to use the initwithNibnae and when to use initwithcoder ...
How to build universal static library that works for os3.x and os4.x
Hi I'm trying to create a static library that can added to any ios project, but I can only get it to work such that if I build the library in ios3, it'll work for ios3 projects but not ios4 and vice versa. The errors I get are: Undefined symbols: ".objc_class_name_UIImage", referenced from: literal-pointer@_OBJC@_cls_refs@UII...
OpenGL ES for iPhone blending not working
Hello, I'm a beginner to 3D graphics in general and I'm trying to make a 3D game for the iPhone, and more specifically, to use textures that contain transparency. I am able to load a texture (an 8 bit .png file) into OpenGL and map it to a square (made from a triangle strip) but the transparent parts of the image are not transparent when...
CGContextDrawPDFPage leaking in iPhone 4 but not in iPad
I'm porting my iPad app to iPhone. Using the same code, CGContextDrawPDFPage is registering leaks in Instruments when running in iPhone, but not when running in iPad. I find this really disappointing because http://www.openradar.appspot.com/radar?id=126402 says CGContextDrawPDFPage leaks should already be fixed. Does anyone know the re...
Problem in Managing the reordering og rows in UITableView
Hi I have refered "Managing the reordering of rows" in "UITableView Programming Guide". I have written the same code for my application for rearranging the rows of tableView but not able to rearrange the rows in tableView. The delegates "canMoveRowAtIndex" and "moveRowAtIndex" have not been called though I set tableView in editing mode ...
transition between 2 UIImages
I use the code below to transition between two UIImageViews. -(void)performTransitionNew: (NSInteger)type subType:(NSInteger)subType fromImageView:(UIImageView *)fromImageView toImageView:(UIImageView *)toImageView duration:(NSInteger)duration; { CATransition *transition = [CATransition animation]...
Getting iphone developer certificate/ Submit Certificate Signing Request
Hello good people, I'm currently using the Development Provisioning Assistant to setup my certificate so I can run my app on my iphone. I'm at the part in Setup called Submit Certificate Signing Request and it is asking me to submit the file that I generated using KeyChain Access. The problem is that it says "The Certificate file select...
Pointing a pointer to another pointer - what happens ?
Hi all, Wonder if anyone can clear up the following for me. What happens if I point a pointer to another pointer ? E.g Pointer 1 = Object Pointer 2 = Pointer 1 What if I then change pointer 1 : Pointer 1 = Object 2 Where does pointer 2 now point ? Thanks, Martin ...