I'm trying to get a UI Button to interact with a UI Label through Xcode and Interface Builder. What should I change in this code to do so? (I have everything linked up in Interface Builder already. The app just crashes when I press the button.) @synthesize window; @synthesize label; @synthesize anotherLabel; @synthesize myButton; ...
I have downloaded the image from ftp server ,the downloaded images are stored in hard disk , i want to locate those images files in my ImageView . ...
I have gotten 0 response from the Cocos2D board so thought Id try here. Ok. Im ripping out my hair over this. I did a complete re-haul of my code last night in hopes of fixing some iphone4 framerate issues. I created sprites in advance instead of doing some of the creation during the update methods. I only add them to the spritesheet no...
I've tried several ways of measuring the steps a user makes with an iPhone by reading the accelerometer, but none have been very accurate. The most accurate implementation I've used is the following: float xx = acceleration.x; float yy = acceleration.y; float zz = acceleration.z; float dot = (mOldAccX * xx) + (mOldAccY * yy) + (...
I'm working on a feed reader iOS project. Feed entries are listed in a UITableView in reverse chronological order. On launch, they're loaded from a database into an array. When the app syncs to feeds, it creates a new array for the new order of things, and then to update the table, compares the new array to the old array to determine wh...
Hi there, I'm learning how to use plist files for storing data in my iPhone app. I've been reading a bunch of the questions about plist and dictionaryWithContentsOfFile on this site, but can't see what I'm doing wrong. The following line returns nil ("The dictionary is null" to the console). NSLog(@"The dictionary is %@",[NSDictionar...
What I'd like to do is have 3 or 4 buttons on a UITabBar. All except one of these behave as normal UTabBar buttons - ie they switch between different views. But I'd like one of the tab bar buttons to perform a function - refresh the app's data - without switching views… Is this at all possible? ...
For change view with animation iphone sdk support "Flip Left" and "Flip Right" How can i implement "Flip up" and "Flip Down" ? ...
I have an audio file that plays when a user clicks on one view. my problem is that if they move to another view the audio continues to play. I would like the audio to stop if the user is no longer on that view. is this done in the viewDidUnload method? here's the code that plays the audio after a 15sec delay: -(void)startPlaying { ...
Hey there, I am trying to submit my app to the app store using the application loader. I get to the stage where I select the .app to send and it fails with these two errors, could any one help me with how to fix these? Info.plist does not contain a CFBundleResourceSpecification Not sure what the above means... on iTunes connect the b...
Hey guys, I'm in a Tab Bar Application and I have a tableView that's loaded from an array, and it works fine. (I don't have a TableViewController though). The problem I'm having is that I want to reload the table view every time the user clicks on the tab icon. So I put [tableView reloadData] in viewWillAppear, but I get an error messag...
Hi there, Im fairly new to the whole world of iPhone dev so forgive me if this is very easy. I have an object Card that holds 6 Question objects on it. when I say [card getQuestion:@"Art"] I am currently returning a Question object like so - (Question*) getQuestion: (NSString*) questionType { Question *q = [questions objectForKe...
Let's say I'm getting I'm receiving XML files from some web service, like these two examples.. <news> <item id="123" created="10/09/10" expires="07/07/10" modified="10/09/10"> <title>Xiabo receives Nobel></title> <content>Lorem ipsum lorem ipsum</content> </item> </news> . <products> <item id="1" category="shoes"> <name>Nike Air</nam...
Hi, I have an iphone application which is a reporting application, by this i mean, a user searches for a postcode, and gets information for free on that postcode. Then for a cost (about £1-£3) they can purchase a complete report. I purchase the report data legitimatly per request, and put a markup on the price and deliver it through th...
Hi, I have a UIScrollView that nests a UIImage and several symbols that are placed on the image programatically. When the user zooms I need to scale these symbols up to have them keep the same size, whilst the underlying image is zoomed. I placed the symbols and the image in a UIView to ensure the symbol position is alidned to image ...
hi .. I have an Iphone application wich uses the audiostreamer to play some set of mp3 fiels one after the another.I have updated this application to IOS4 then I have done with all the changes required [plist remote controll,playback],but when the i keep the application in the background and when the current mp3 file completes playing th...
I can not animate many images with animationImages and startAnimating as it uses too much memory and crashes. What is the best way to animate 100 images in a portion of my iPhone screen (not full screen)? Is there an example? ...
Hi friends , I made an app which plays the song on clicking on the image of artist.(see image attached). Each artist image is implemented on button and on clicking this button, a function is being called which first downloads and then plays the song. I passed this method(function) in a thread but problem is that every time ...
I'm looking to stop an audio file from playing when the view is changed. I'm using a tabController and I would like the audio that's playing to stop when the user moves to a different view. I'm not sure where and how I would do this. in the viewDidUnload perhaps? here's the method I'm using to play the audio file: -(void)startPlaying...
I need to make an app that turns a movie (shot from the iphone camera) to black and white. Does the iphone have any frameworks that I could use to apply effects to recorded videos? ...