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  • Memory leak problem. iPhone SDK

    - by user326375
    Hello, i've got a problem, i cannot solve it, just recieving error: Program received signal: “0”. The Debugger has exited due to signal 10 (SIGBUS).The Debugger has exited due to signal 10 (SIGBUS). Here is some method, if i comment it out, problem goes aways - (void)loadTexture { const int num_tex = 10; glGenTextures(num_tex, &textures[0]); //TEXTURE #1 textureImage[0] = [UIImage imageNamed:@"wonder.jpg"].CGImage; //TEXTURE #2 textureImage[1] = [UIImage imageNamed:@"wonder.jpg"].CGImage; //TEXTURE #3 textureImage[2] = [UIImage imageNamed:@"wall_eyes.jpg"].CGImage; //TEXTURE #4 textureImage[3] = [UIImage imageNamed:@"wall.jpg"].CGImage; //TEXTURE #5 textureImage[4] = [UIImage imageNamed:@"books.jpg"].CGImage; //TEXTURE #6 textureImage[5] = [UIImage imageNamed:@"bush.jpg"].CGImage; //TEXTURE #7 textureImage[6] = [UIImage imageNamed:@"mushroom.jpg"].CGImage; //TEXTURE #8 textureImage[7] = [UIImage imageNamed:@"roots.jpg"].CGImage; //TEXTURE #9 textureImage[8] = [UIImage imageNamed:@"roots.jpg"].CGImage; //TEXTURE #10 textureImage[9] = [UIImage imageNamed:@"clean.jpg"].CGImage; for(int i=0; i<num_tex; i++) { NSInteger texWidth = CGImageGetWidth(textureImage[i]); NSInteger texHeight = CGImageGetHeight(textureImage[i]); GLubyte *textureData = (GLubyte *)malloc(texWidth * texHeight * 4); CGContextRef textureContext = CGBitmapContextCreate(textureData, texWidth, texHeight, 8, texWidth * 4, CGImageGetColorSpace(textureImage[i]), kCGImageAlphaPremultipliedLast); CGContextDrawImage(textureContext, CGRectMake(0.0, 0.0, (float)texWidth, (float)texHeight), textureImage[i]); CGContextRelease(textureContext); glBindTexture(GL_TEXTURE_2D, textures[i]); glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, texWidth, texHeight, 0, GL_RGBA, GL_UNSIGNED_BYTE, textureData); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); free(textureData); } } anyone can help me with releasing/deleting objects in this method? Thanks.

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  • How to add a view on cell.contentview of uitableview iphone sdk

    - by neha
    Hi all, In my application I'm creating a .xib of a class and loading that .xib on cells of uitableview of another class. I want to add this .xib to cell.contentView and not cell. How shall I do that? - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString* cellIdentifier = @"testTableCell"; testTableCell * cell = (testTableCell *)[tableView dequeueReusableCellWithIdentifier:cellIdentifier]; if (cell == nil) { [[NSBundle mainBundle] loadNibNamed:@"testTableCell" owner:self options:nil]; cell = tCell; } return cell; } testTableCell is my another class in which I have two labels and two buttons, of which I have created a .xib and loading it to tableview's cell as above. tCell is an object of class testTableCell. Thanks in advance.

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  • iPhone SDK simple alert message question

    - by Paul
    char asd='a'; UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Are you sure?" message:asd delegate:self cancelButtonTitle:@"Cancel" otherButtonTitles:@"OK", nil]; [alert show]; [alert release]; above code not compiling in iPhone simulator. Why is that? :)

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  • Display a number on the screen Iphone SDK

    - by Ni
    does anyone know how to display a number on the screen/iphone simulator? I can load the data and create a x/y graph. Now instead of showing the graph, I load a data value from a text file, and I want to display that number on the screen. Does anyone know what function i can use? ....... NSString *data =[myText objectAtIndex:1]; ....... so now data = 1, i want to display the value of the 'data' which is 1 on the screen.

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  • XML Parsing need help iphone sdk

    - by neha
    Hi all, How do you get "MayurS123" from following xml tag by parsing? <eletitle lnk="http://192.168.10.2/justmeans/trunk/newsfeed/mayurs">MayurS123 Sharma</eletitle> My file is getting parsed properly. Here I'm able to retrieve the lnk component by doing: if([elementName isEqualToString:@"eletitle"]) { aGoodwork.lnk = [attributeDict objectForKey:@"lnk"]; } But I'm not getting how to get in actual title. Thanx in advance.

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  • How does autosize work in iPhone SDK?

    - by bresc
    Hi, I'm trying to do the following: I need to do a lot of custom things, so I subclassed everything. I'm having issues with autoresize and positioning. For instance the UIToolBar is not at the correct position. So here is the question: If you don't use UITableViewController or any other Controller, that takes care of all the positioning and sizing, then you have to do it yourself. Can someone someone tell me how this works? What do I need to understand?

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  • accessing parsed JSON on the iPhone SDK

    - by itai alter
    Hello All! I've been following the great tutorial about (iPhone, json and Flickr API and I did manage to access the parsed json info just fine. Now I'm trying to do the same thing with the Twitter API, and I am able to get the json info and parse it, but I can't seem to access it like in Flickr. I noticed that the json info that is retrieved from Twitter is a little different from Flickr. The Flickr json info starts straight with a curly braces ({), while the Twitter json info starts with a square bracket and then a curly braces ([{). I understand that it means it's an array inside the json info, but I don't know how to access it. In the Flickr example, I access the objects like so (the second line takes the number of pages Flickr has reported): NSDictionary *results = [jsonString JSONValue]; pagesString = [[results objectForKey:@"photos"] objectForKey:@"pages"]; but I can't seem to access the Twitter response in the same way... Does anyone know of a solution? (here's an example of the Twitter JSON response: api.twitter.com/1/statuses/public_timeline.json ) Thanks a bunch!

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  • Detect same image names {iPhone SDK}

    - by Momeks
    hi , i want create image animation , i have 50 images with png format now i want set images name ... something like this but doesnt work ! my images name are : iamge_0000 to image_0050 NSArray *myImages = [NSArray arrayWithObjects: [UIImage imageNamed:@"image_%d.png"], //image named doesnt work ??!?!?!?

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  • How would you design a question/answer view (iPhone SDK)

    - by Aurélien Vallée
    I'm new to iPhone development, and I have a question on how to create a view for my application. The view should display a problem (using formatted/syntax highlighted text), and multiple possible answers. The user should be able to click on an answer to validate it. Currently, I am trying to use a UITableView embedding UIWebView as contentView. That allows me to display formatted text easily. The problem is that it is a real pain to compute and adjust the height of the cells. I have to preload the webview, call sizeToFit, get its height, and update the cell accordingly. This process should be done for the problem and the answers (as they are HTML formatted text too). It's such a pain that I am planning to switch to something else. I thought using only a big UIWebView and design everything in HTML. But I looked at some articles describing how to communicate between the HTML page and the ObjectiveC code. This seems to involve some awful tricks too... So... that's it, I don't really know what I should do. I guess some of you dealt with such things before, and would provide some greatly appreciated tips :)

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  • iPhone SDK: How to generate a random time of day

    - by bigdave
    Hello all, I am having some problems trying to figure out the best way of generating a random time of day. For instance, if I want to choose a random time between the hours of 9am and 5pm, what would be the best way with the least amount of overhead on the device? I guess I need someone to point me in the right direction. Thanks!

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  • facebook XFBML is not rendering in IE8

    - by Pablo
    I put up this test page to illustrate this issue: http://pix-all.com/fb-test.htm Every Browser i've tested on has worked but in IE8. The odd part is that IE8 doesn't even report an error, WOW, and that is something. So right now im stuck with to nothing to work on or debug. Hopefully you guys can help me out and spot what i've overlooked. Thank You in advance

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  • iPhone SDK Point to a specific location

    - by lnetanel
    Hi, I'm trying to develop an application that use the GPS and Compass of the iPhone in order to point some sort of pointer to a specific location (like the compass always point to the North). The location is fixed and I always need the pointer to point to that specific location no matter where the user is located. I have the Lat/Long coordinates of this location but not sure how can I point to that location using the Compass and the GPS... any help will be appreciated. Netanel

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  • iPhone SDK Internet connection detection

    - by givp
    I'm working on an iPhone application that makes a few calls to web services. I posted this application on the Apple store but it got rejected (and rightly so) since there was no error message displayed to the user if no Internet connection is available. Since obviously the application would not work without it. So I just wanted to know how to best achieve this? I'm guessing something needs to go in the viewDidLoad method that will throw an alert box saying something like "You need an Internet connection to use this application". Any ideas would be appreciated.

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  • Switching xib's in iPhone SDK?

    - by NextRev
    I'm having issues with switching xib's when I try to from my second view into the third. I get into the second view from the first like this... -(IBAction)startButtonClicked:(id)sender{ Number2ViewController *screen = [[Number2ViewController alloc] initWithNibName:nil bundle:nil]; screen.modalTransitionStyle = UIModalTransitionStyleCrossDissolve; [self presentModalViewController:screen animated:YES]; [screen release]; } But when I'm in the second view trying to get to the third view, the app crashes... -(IBAction)nextButtonClicked:(id)sender{ Number3ViewController *screen = [[Number3ViewController alloc] initWithNibName:nil bundle:nil]; screen.modalTransitionStyle = UIModalTransitionStyleCrossDissolve; [self presentModalViewController:screen animated:YES]; [screen release]; } I know how to go into one view and then immediately back using [self dismissModalViewControllerAnimated:YES]; How do you just keep going to different views though without having to go back first?

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  • Save a camera photo with an overlayed image - iphone SDK

    - by user157733
    I think this should be simple but I am having some difficulty implementing it. I take a photo from the camera, the user can then move and scale it. They then choose "use" and they get a preview of their image. Now what I want to do is overlay an image on top of this preview image - which is also ok. But the part I am having difficulty is then I want to save the photo taken WITH the image that is over it into the library. I just have a UIView with my overlay image about the UIView where my camera photo is previewed. I guess I just need to take a screen capture of these? I don't want to loose resolution OR end up with my UI buttons etc in the final image. Any suggestions or links would be really useful. Thanks :-)

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  • iphone sdk: clickable image in UIWebView

    - by origon
    Hi. I wanna wrap some text around a UIButton or clickable image in some kind of scrollview. My ide was to add an UIButton to an UIWebView, but thats not possible? Is there a way to wrap text around an UIButton in an UIScrollView or UITextView? Or can I add an image to the UIWebView and handle the clicking somehow?

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  • iPhone SDK - UITextField with + Button for Contacts

    - by Isaac Waller
    Hello, In some applications like Mail, when you have a UITextField, there is a little + button to the right. When you tap it, a modal view controller comes up which you can select a phone number, address, etc from, and it will appear in the text field. I was wondering how to implement this in my own app. Thanks, Isaac

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  • Reflow PDFs for an iPhone screen (iPhone SDK)

    - by Anthony Glyadchenko
    I'm currently making an iPhone app that has PDF viewing a crucial part of its functionality. However many of the PDFs aren't iPhone friendly and require zooming and panning to read them. Is there anything I can do to make them better whether with the PDF itself or programmatically? (I'm currently using a UIWebView PDF viewer by the way.)

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  • itunes sdk list albums

    - by Matt Facer
    Hi guys, I'm working on a new test app (just out of curiosity really) which is an add on to iTunes. I'm trying fairly basic things at the mo, and have managed to control volume, pause etc etc. I have a function from some demo code which loops through all the tracks in my main library and gets their album name... I then show the individual album name in my listbox. This is FAR from the best way to do it! Is there a way to query the library to get just the album names? I ultimately want to get to a point where I can have a list of albums (with images) - I click on the album name and that loads the associated tracks.... thanks for any help! (I'm using VB.net btw)

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