iphone-sdk-3.0

extract data from Plist to array and dictionary

Hi I made a plist that looks like that: <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList 1.0.dtd"> <plist version="1.0"> <array> <array> <dict> <key>Company</key> <string>xxx</string> <key>Title</key> <string>VP Marketi...

game state singleton cocos2d, initWithEncoder always returns null

Hi, I'm trying to write a basic test "game state" singleton in cocos2d, but for some reason upon loading the app, initWithCoder is never called. Any help would be much appreciated, thanks. Here's my singleton GameState.h: #import "cocos2d.h" @interface GameState : NSObject <NSCoding> { NSInteger level, score; Boolean seenInstruct...

accessing view controller's view

I am inside a class on a view-based app, one that was creating with one view controller. WHen I am inside the view controller I can access its view using self.view, but how do I access the same view if I am inside a class? [[UIApplication sharedApplication] delegate]... //??? what do I put here? thanks ...

[iPhone] Objective-C : UIScrollView manual paging

Hi Folks! I want to use the scrollview as something like a picker in horizontal mode. The scrollview holds up to seven subviews. Each subview represents a value. Always three views are visible and the one in the middle is the selected one. Scrollview visible at start: __ | V1 | V2 Scrollview set to view/value two: V1 | V2 | V3 S...

Calculation route length

Hi, I have a map with about 80 annotations. I would like to do 3 things. 1) From my current location, I would like to know the actual route distance to that position. Not the linear distance. 2) I want to be able to show a list of all the annotations, but for every annotation (having lon/lat) I would like to know the actual route dist...

problem while finding iphone memory programatically

I am facing a strange problem with my iphone. It shows available memory as 278 Mb from settings and also in the itunes . But when i find it programatically like this NSDictionary *fileSystemAttributes = [[NSFileManager defaultManager] attributesOfFileSystemForPath:NSHomeDirectory() error:&error]; double availableSpace = [[fileSystemAttr...

iPhone OS: Strategies for high density image work

I have a project that is coming around the bend this summer that is going to involve, potentially, an extremely high volume of image data for display. We are talking hundreds of 640x480-ish images in a given application session (scaled to a smaller resolution when displayed), and handfuls of very large (1280x1024 or higher) images at a t...

setText deprecated

Hi there, i saw your comment about getting rid of the setText deprecated error, and using cell.textLabel.text it works perfectly for OS 4.0 but it doesn't work on 3.1.3, the app crashes at the loading screen, have you got any ideas? ...

iPad <-> iPhone GameKit connection over bluetooth possible?

Has anyone established GameKit connectivity between an iPhone app running on an iPad and an iPhone app running on an iPhone? I tried the GKTank example and they won't connect. The iPad throws a "Error: 30509 -- Bluetooth not available.." error when trying to connect. ...

how do I copy UITextField data into a UILabel

I have a textfield and a label. When you touch the textfield, the keyboard appears In IB, the textfield's properties are Keyboard: ASCII Capable Return Key: Done I wired the IBOutlet to the label and the textfield. How do I get the keyboard to go away when I'm done entering text. How do I get to copy the text to the UIlabel? thanks...

Navigation bat not displayed at top of page. What's wrong?

I'm having what appears to be a simple problem. I declare a navigation controller but the navigation bar that comes up is not displayed at the top of the page. http://sphotos.ak.fbcdn.net/hphotos-ak-snc3/hs410.snc3/24784_889732028002_28110599_54506042_4580563_n.jpg I declare the navigation controller like so... UINavigationController...

UIWebView and Gesture Detection

HI There, I have a View Base Project application and one of the viewcotrollers simply manages a view that houses a UIWebView. I need to be able to detect tapping events on the UIWebView. I've tried suggestion here but cannot get it to work. http://mithin.in/2009/08/26/detecting-taps-and-events-on-uiwebview-the-right-way/ Would anyone hav...

iphone programming getting data from remote server

HI, I'm new to iphone programming and developing travel application, which retrieve most of it data from remote database. What is the best way to implement this solution? I thought of generating XML files in server side and getting data via XML files to iPhone app and displaying them... Is there better implementation to this, thank y...

iPhone: How to read contents from UIWebView XML Document?

Hi all. In my iPhone app I'm using a UIWebView to allow the user to browse to an XML document on a website. When the user has found the xml document they want, they click a button below the UIWebView. Then I try to read the contents of the XML document from the UIWebView using: NSString *xml = [webView stringByEvaluatingJavaScriptFromS...

Xcode conditionals list, where do I find them?

I am trying to learn about all possible conditionals that can be used on Xcode regarding the iPhone and iPad. I have found the file "TargetConditionals.h" on Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.2.sdk/usr/include/ but this file do not shows all possible conditionals, just a small set. I don't see, for example, __IPHO...

Good ways to dynamically generate the start image of an iPhone/iPad app

I'm self-learning iPhone development and I see that one of the aspects of an iPhone/iPad app is the start image that gets displayed when your app is run. I'd like my start image to display some basic info about the user when the app is launched, but that info has to first be collected by the user when the app is first run. That tells m...

UIScrollView on iPad isnt working

Hi There, can anyone tell me what I am doing wrong. I am trying to load a UIScrollView in a UIView. I am using IB to load the items and what not. the come I am using in the ViewController isnt working. :( I have it under the ViewDidLoad - (void)viewDidLoad { [scrollView setScrollEnabled:YES]; [scrollView setContentSize:CGSizeMake(768, 1...

My 3D object (opengl es) is disappearing behind the iPhone camera view

I have an augmented reality iPhone app that I am converting from Core Animation to OpenGL ES 1.1. I have added code that has been modified from the Apple OpenGL template. My problem is that my 3D object , when translating along the negative Z-axis (away from the user), appears to disappear into the camera view, until its completely gon...

Iphone Question: Multi-colored Textbox

Hello I'm stuck at this: How to implement a multi-colored textbox without using a WebView Obj? I want the textcolor updated in each key event and if I use a WebView The app will surely lag a little(touch 1g). I'm finishing up a app that teaches basic english, everything is up and running perfectly, but then I realized that a multi-color...

Determining the number of objects in an NSArray

Hi friends, I am making a book application. To move to the next topic I am using a button. The Button works as it moves to the next topic, but at the end of the file my application gets the message obj_fatal and it crashes. If I knew how many objects there are in my NSArray then the problem will be solved. I am getting the details from ...