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  • Searchbar to search array items and displays them on a tableview?

    - by skiria
    I want to build an app that shows a empty tableview. Then users can write a text on a searchbar and when they click on Search button the tableview will be written with array items founded. I've see this tutorial: link text, but I only need to search when user click SearchButton. How can I do this? What methods do i have to use? I've tried with this method, but it doesn't works. - (void) searchBarSearchButtonClicked:(UISearchBar *)theSearchBar { NSInteger nVideos = [appDelegate.allVideos count]; NSLog(@"number of videos: %i", nVideos);

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  • Sorting Numbers ins a Object.

    - by user133611
    Hi I have an NSMutableArray of objects, let's say 'Person' Objects. I want to sort the NSMutable Array by person.savings i.e if suppose person having savings 1000,1050,500,1200,2000,1050 i want the Array in the ascending order. Thank You.

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  • Root view controllers and modal dialogs

    - by Tony
    In a custom UIViewController, if I have a member UINavigationController that I initialize with self as the root view, like this: navController = [[UINavigationController alloc] initWithRootViewController:self]; then presenting a modal dialog does not hide the tab bar at the bottom of the screen. The result is that if the user switches to a different tab while a modal dialog is displayed, when they pop back to the tab that was displaying a modal dialog then subsequent calls to presentModalViewController do not display a modal dialog at all, even if I call dismissModalViewControllerAnimated as a result of the tab switch. If I initialize the UINavigationController with out setting self as the root controller, navigationController = [[UINavigationController alloc] init]; then the tab bar is hidden as expected. I've changed things in my program so that this isn't really an issue for me anymore, but I'm not sure that I understand why this is happening. Is it considered bad practice to have a navigation controller with self as the root, if the nav controller is going to be displaying modal dialogs?

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  • UIView Animation won't run transition

    - by dpelletier
    So, I've searched quite a bit for this and can't seem to find a solution. This code works: CGContextRef context = UIGraphicsGetCurrentContext(); [UIView beginAnimations:nil context:context]; [UIView setAnimationDuration:5]; [c setCenter:CGPointMake(200, 200)]; [UIView commitAnimations]; This code doesn't: CGContextRef context = UIGraphicsGetCurrentContext(); [UIView beginAnimations:nil context:context]; [UIView setAnimationBeginsFromCurrentState:YES]; [UIView setAnimationTransition:UIViewAnimationTransitionFlipFromLeft forView:c cache:YES]; [UIView setAnimationDuration:5]; [c exchangeSubviewAtIndex:0 withSubviewAtIndex:1]; [UIView commitAnimations]; And I know the call to exchangeSubViewAtIndex is working because if I remove it from the animation block it functions as expected. Anyone have any insight as to why this transition won't run? Something I need to import?

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  • NSURLConnection and empty post variables

    - by SooDesuNe
    I'm at my wits end with this one, because I've used very similar code in the past, and it worked just fine. The following code results in empty $_POST variables on the server. I verified this with: file_put_contents('log_file_name', "log: ".$word, FILE_APPEND); the only contents of log_file_name was "log: " I then verified the PHP with a simple HTML form. It performed as expected. The Objective-C: NSString *word = "this_word_gets_lost"; NSString *myRequestString = [NSString stringWithFormat:@"word=%@", word]; [self postAsynchronousPHPRequest:myRequestString toPage:@"http://www.mysite.com/mypage.php" delegate:nil]; } -(void) postAsynchronousPHPRequest:(NSString*)request toPage:(NSString*)URL delegate:(id)delegate{ NSData *requestData = [ NSData dataWithBytes: [ request UTF8String ] length: [ request length ] ]; NSMutableURLRequest *URLrequest = [ [ NSMutableURLRequest alloc ] initWithURL: [ NSURL URLWithString: URL ] ]; [ URLrequest setHTTPMethod: @"POST" ]; [ URLrequest setHTTPBody: requestData ]; [ NSURLConnection connectionWithRequest:URLrequest delegate:delegate]; [URLrequest release]; } The PHP: $word = $_POST['word']; file_put_contents('log_file_name', "log: ".$word, FILE_APPEND); What am I doing wrong in the Objective-C that would cause the $_POST variable to be empty on the server?

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  • SplitView Controller portrait mode- Top button keeps shifting to right.

    - by nishantcm
    Hi, I am using SplitViewController in ipad. On a button click from detail view, I open a modalview which is in full screen mode. Whenever I dismiss the modal view, the button which displays the table view in portrait mode shifts to the right. If I continue the process of opening the modal view and dismissing it, it keeps moving to the right until it disappears to the right of the screen. Any idea why this is happening?

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  • Open Source sound engine

    - by Steph Thirion
    When I started using SoundEngine (from CrashLanding and TouchFighter), I had read about a few people recommending not to use it, for it was, according to them, not stable enough. Still it was the only solution I knew of to play sounds with pitch and position control without learning C++ and OpenAL, so I ignored the warnings and went on with it. But now I'm starting to worry. The 2.2 SDK introduced AVFoundation. Using both SoundEngine from CrashLanding (for sounds) and AVAudioPlayer (for music), I found out SoundEngine behaves strangely when the only existing AVAudioPlayer is released (all sounds stop until a new AVAudioPlayer is initiated). Around the same time as the 2.2 SDK came out, the CrashLanding sample code was mysteriously removed from the ADC site. I'm worried there are more bad surprises to come. My question is, is anyone aware of an Open Source alternative to SoundEngine? Maybe even a C++ library that uses OpenAL?

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  • appcelerator tableview autosliding

    - by matthewb
    Using Appcelerator: I have a form, a tableView with textFeilds I want it so when I focus on them, it slides the window or the view to the top, under the navigation bar. Right now, the keyboard is blocking the last few rows. Do I need a listener on each form to slide? If so how do you do that?

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  • How i display my scrollView on splash screen?

    - by Rajendra Bhole
    HI, I develop an application in which i want to implement the splash screen, on that splash screen i want to bind the scrollView and UIImage. My code as follow, -(void)splashAnimation{ window = [[UIWindow alloc] initWithFrame:CGRectMake(0, 0, 320, 420)]; //scrollView = [[UIScrollView alloc] initWithFrame:[[UIScreen mainScreen] applicationFrame]]; scrollView = [[UIScrollView alloc] initWithFrame:[window bounds]]; scrollView.pagingEnabled = NO; scrollView.bounces = NO; UIImage *image = [UIImage imageNamed:@"splash.png"]; UIImageView *imageView = [[UIImageView alloc] initWithImage:image]; imageView.userInteractionEnabled = NO; [scrollView addSubview:imageView]; [scrollView setDelegate:self]; //[scrollView release]; } - (void)applicationDidFinishLaunching:(UIApplication *)application { [self splashAnimation]; [self initControllers]; [window addSubview:[mainTabBarController view]]; [window makeKeyAndVisible]; } On my given code the one blank window comes up and stay on. I want to on that blank screen bind my splash.png.

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  • loading custom view using loadNibNamed showing memory leaks

    - by user307550
    I have a number of custom table cells and views that I built using interface builder In interface builder, everything is set up similarly. There is a table cell and a couple other UILabels and a background image Object owner if the nib is NSObject Class for the table cell is the name of the class for my table cell Here is how I create the table cell in my code: SectionedSwitchTableCell *cell = nil; NSArray *nibs = [[NSBundle mainBundle] loadNibNamed:kSectionedSwitchTableCellIdentifier owner:owner options:nil]; for(id currentObject in nibs) { if([currentObject isKindOfClass:[SectionedSwitchTableCell class]]) { cell = (SectionedSwitchTableCell *)currentObject; break; } } return cell; For my custom table headers I have this NSArray *nibs = [[NSBundle mainBundle] loadNibNamed:@"CustomTableHeader" owner:self options:nil]; for(id currentObject in nibs) { if([currentObject isKindOfClass:[CustomTableHeader class]]) { return header } } In my .h and .m files for the custom view, I have IBOutlet, @property set up for everything except for the background image UIImageView. Everything that has the IBOutlet and @property are also @synthesized and released in the .m file. Leaks is showing that I have memory leaks with CALayer when I create these custom view objects. Am I doing something wrong here when I create these custom view objects? I'm kind of tearing my hair out trying to figure out where these leaks are coming from. As a side note, I have a UIImageView background image defined in these custom views but I didn't define properties and IBOutlets in my .h and .m files. Defining them doesn't make a difference when I run it through Leaks but just wanted to confirm if I'm doing the right thing. Any input would be super helpful. Thanks :)

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  • Two UITabBarControllers and Autorotation

    - by optimisticmonkey
    I have two UITabBarControllers in my mainwnidow.nib wired to my appdelegate. In my app delegate, I can load either one: - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { //either [window addSubview:tabBarController.view]; //or [window addSubview:tabBar2Controller.view]; [window makeKeyAndVisible]; } and autorotation works. If I add both (with the expectation to swap between them later): [window addSubview:tabBarController.view]; [window addSubview:tabBar2Controller.view]; then autorotation stops working...everything is always portrait. Thanks in advance for any tips...

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  • CALayer rotation on Y axis ignores z position

    - by Rafa
    Hi, i have some CALayers one on top of the other with different z-values. the z-values are sequential (1,2,3 ...). i wrote some code that changes the y-rotation of a CALayer when i click on it. the y-rotations changes to -30.f the problem is that when i click on a CALayer it rotates and goes behind the CALayers that are actually beneath it (by z-value ordering). i understand that changing the y-rotation by -30.f actually takes the CALayer back in a sense. but shouldn't it consider the z-value as the index of the CALayer in the container and make sure it stays on top of lower z-values ?

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  • MPMoviePlayerView fade in/out of overlay

    - by therobot
    I've got a MPMoviePlayerViewController, and I've added an overlay as a subview to the MPMoviePlayerController.view that it controls. Does anyone know if there's an easy way to make my added overlay fade in and out with the rest of the controls? My code to initialize and present the player is: LandscapeMPVC * theMovieViewController = [[LandscapeMPVC alloc] initWithContentURL:sourceURL]; MPMoviePlayerController * theMoviePlayer = [theMovieViewController moviePlayer]; [theMoviePlayer setRepeatMode:MPMovieRepeatModeOne]; [theMoviePlayer setScalingMode:MPMovieScalingModeAspectFit]; [theMoviePlayer setFullscreen:YES]; // Attemps at overlays MPViewOverlayController * overlayCont = [[MPViewOverlayController alloc] init]; [[theMovieViewController view] addSubview:overlayCont.view]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(resetToolbar:) name:MPMoviePlayerPlaybackDidFinishNotification object:theMoviePlayer]; [self presentMoviePlayerViewControllerAnimated:theMovieViewController]; LandscapeMPVC is just a subclass of MoviePlayerViewController where I overwrite the orientation code. When the rest of the controls fade in the movie player, my custom overlay does not. Is there some code in the controller that I need to add, or some notification that is sent? Any input would be greatly appreciated.

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  • NSTableViewCell uses value from other cells

    - by Michael Z
    Hi Guys: I have problem with using dequeueReusableCellWithIdentifier method. Whenever I use this one, one cell would display its own value and value that does not belong to it. This first and second images show the problem, while the third image shows the proper data.The problem seems to be caused by old value not being wiped off and the new value being added on top if it. Which seems very strange.

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  • Reading Certificates on iOS Problem

    - by David Schiefer
    I am trying to read certificates from various URLs in iOS. My code however is not working well - the array that should return the information I need always returns null. What am I missing? - (void)findCertificate:(NSString *)url { NSInputStream*input = [[NSInputStream inputStreamWithData:[NSData dataWithContentsOfURL:[NSURL URLWithString:@"https://store.writeitstudios.com"]]] retain]; [input setDelegate:self]; [input scheduleInRunLoop:[NSRunLoop mainRunLoop] forMode:NSDefaultRunLoopMode]; [input open]; NSLog(@"Status: %i",[input streamStatus]); } - (void)stream:(NSStream *)aStream handleEvent:(NSStreamEvent)eventCode { NSLog(@"handle Event: %i",eventCode); if (eventCode == NSStreamStatusOpen) { NSArray *certificates = (NSArray*)CFReadStreamCopyProperty((CFReadStreamRef)aStream, kCFStreamPropertySSLPeerCertificates); NSLog(@"Certs: %@",CFReadStreamCopyProperty((CFReadStreamRef)aStream, kCFStreamPropertySSLPeerCertificates)); if ([certificates count] > 0) { SecCertificateRef certificate = (SecCertificateRef)[certificates objectAtIndex:0]; NSString *description = (NSString*)SecCertificateCopySubjectSummary(certificate); NSData *data = (NSData *)SecCertificateCopyData(certificate); NSLog(@"Description: %@",description); } } } And yes, I am aware that I am leaking memory. This is just a snippet.

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  • touchesEnded Sound?

    - by NextRev
    I'm trying to play a sound on touchesEnded but I'm having a problem. There are multiple objects that get moved around, so if the below code holds true when any object is moved, it constantly plays the sound. How do I only play it once? -(void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event{ if(CGRectContainsRect([image1 frame], [image2 frame])){ [self playsound]; } }

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  • UIImageView dimensions not what I set in IB

    - by Brenden
    I set a UIImageView to 70x70 pixels. In the actual view they look 70px high and 30 wide. This is when there is no source UIImage set and with a background color so I can see it's layout. However, when I do set a UIImage to it the layout does not change, remains portrait. Is there something I am overlooking that affects the layout dimensions of a UIImage or UIImageView? Thanks.

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  • Getting "Location" header from NSHTTPURLResponse

    - by aspcartman
    Can't get "Location" header from response at all. Wireshark says that i've got one: Location: http://*/index.html#0;sid=865a84f0212a3a35d8e9d5f68398e535 But NSHTTPURLResponse *hr = (NSHTTPURLResponse*)response; NSDictionary *dict = [hr allHeaderFields]; NSLog(@"HEADERS : %@",[dict description]); Produces this: HEADERS : { Connection = "keep-alive"; "Content-Encoding" = gzip; "Content-Type" = "text/html"; Date = "Thu, 25 Mar 2010 08:12:08 GMT"; "Last-Modified" = "Sat, 29 Nov 2008 15:50:54 GMT"; Server = "nginx/0.7.59"; "Transfer-Encoding" = Identity; } No location anywhere. How to get it? I need this "sid" thing.

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  • wait after presentModalViewController

    - by Cesar
    I need to wait (don't execute the code) after the presentModalViewController until the modal view it's dismissed, it's possible or it's a conceptual error ? -(NSDictionary *)authRequired { [self presentModalViewController:loginRegView animated:YES]; //This view write the settings when dismissed. NSMutableDictionary *ret=[[NSMutableDictionary alloc] init]; [ret setObject:[app.settings get:@"user"] forKey:@"user"]; [ret setObject:[app.settings get:@"pass"] forKey:@"pass"]; return ret; }

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