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  • EventKitUI view and edit problem!

    - by Alish
    I try to to find a solution to do View and Edit of a the item from a tablview. My application base on UITabBarController. Each of the Bar items contain a class with a a couple of UIViews. This is the first items of UITabBarController. I done Add event from Apple sample code: SimpleEKDemo. Add Event working without any problem. I tried to add View and Edit part to the code. I would able to select an items from tableView to edit the selected item. But after I tried to add code from SimpleEKDemo to my code, I realized I have to add UINavigationController to the implement. So I did. After I add that it's came to the items of UITabBarController. Also I even the Add Event didn't worked very well (I couldn't insert event name and location. but edit was working. So I need to know: 1- Is it possible to implement Edit/View without using UINavigationController. If yes please let me know a sample code. 2- If I must use UINavigationController. Because I don't need UINavigationController to become it the first page and I don't need any bar added to my application. Is it possible it's appear in the application when I choose a item of tableView but appear alike that! Snapshots: https://public.me.com/alish (pict.zip)

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  • Make an NSString accessible in the whole class

    - by OhhMee
    Hello, I want to know how can I make an NSString accessible in the whole class. Say I have these codes: - (void) init { NSArray *elements = [xpathParser search:@"//foo"]; TFHppleElement *element = [elements objectAtIndex:0]; NSString *data = [element content]; NSArray *elements1 = [xpathParser search:@"//foo2"]; TFHppleElement *element2 = [elements1 objectAtIndex:0]; NSString *data2 = [element2 content]; } And I want to use data & data2 in the whole class, how can I do that? I want to show results here: - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; } // Configure the cell. switch (indexPath.row) { case 0 : cell.textLabel.text = (@"%@", data); break; case 1: cell.textLabel.text = (@"%@", data2); break; } // Email & Password Section return cell; }

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  • obj-c, how do I create a property and synthesize an NSUInteger ?

    - by Jules
    I'm having some trouble using an NSUInteger, I've tried various things and googled, but not found the answer ? I have... I also tried ... nonatomic, retain @property (readwrite, assign) NSUInteger *anAmount; @synthesize anAmount; error: type of property 'anAmount' does not match type of ivar 'anAmount' Also when I release it in dealloc I get a warning.. warning: invalid receiver type 'NSUInteger'

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  • how to load local html file into uiwebview iphone

    - by madcoderz
    I'm trying to load a html file into my UIWebView but it won't work. Here's the stage: I have a folder called html_files in my project. Then I created a webView in interface builder and assigned an outlet to it in the viewController. This is the code I'm using to append the html file: -(void)viewDidLoad { NSString *htmlFile = [[NSBundle mainBundle] pathForResource:@"sample" ofType:@"html" inDirectory:@"html_files"]; NSData *htmlData = [NSData dataWithContentsOfFile:htmlFile]; [webView loadData:htmlData MIMEType:@"text/html" textEncodingName:@"UTF-8" baseURL:[NSURL URLWithString:@""]]; [super viewDidLoad]; } That won't work and the UIWebView is blank. I'd appreciate some help.

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  • Placing text on UIView in custom location

    - by JAM
    I am trying to calculate a position to place label on the screen. The goal is to place "word" label in lower right corner of the first square block If yellowish square is defined as myView = [[UIView alloc] initWithFrame:CGRectMake(100, 100, 70, 70)]; [self.view addSubview:myView]; [myView setBackgroundColor:[UIColor colorWithHexString:@"FFFFEC"]]; Using it, i'd like to place a label in it's lower right corner l1 = [[UILabel alloc] init]; [l1 setText:@"word"]; [l1 setFrame:CGRectMake(myView.frame.origin.x + myView.frame.size.width, myView.frame.origin.y + myView.frame.size.height, 700, 700)]; [l1 setFont:[UIFont fontWithName:@"Arial" size:10.0]]; [l1 setBackgroundColor:[UIColor colorWithHexString:@"CCFFFEC"]]; [l1 setTextAlignment:UITextAlignmentRight]; [l1 sizeToFit]; This is what happens: The matter here obviously, is in a correct offset. Knowing the font and size of text, how can one correctly calculate it?

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  • MKPinAnnotationView - hard to drag

    - by James Zaghini
    I have a MKPinAnnotationView that the user can drag around the map. It is very difficult for a user to drag the pin. I've tried increasing the frame size and also using a giant custom image. But nothing seems to actually change the hit area for the drag to be larger than default. Consequently, I have to attempt to tap/drag about ten times before anything happens. MKPinAnnotationView *annView = [[[MKPinAnnotationView alloc] initWithAnnotation:annotation reuseIdentifier:@"bluedot"] autorelease]; UIImage *image = [UIImage imageNamed:@"blue_dot.png"]; annView.image = image; annView.draggable = YES; annView.selected = YES; return annView; What am I missing here?

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  • Can't access UI from a delegate?

    - by Nick Brooks
    I got this code: GrooveOnDownload *dlg = [[GrooveOnDownload alloc] init]; NSURLDownload *dw = [[NSURLDownload alloc] initWithRequest:request delegate:dlg]; It starts the download in a delegate class with outlets for UI controls. But for some reason controls don't respond to direct messages from the delegate. //Header of the delegate @interface GrooveOnDownload : NSObject { IBOutlet id downloadButton; //... //Implementation //... [downloadButton setEnabled:FALSE]; // Doesn't work //... Any ideas?

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  • HElp for Https???

    - by madhavi
    i want to send request on Https so do i need to install the SSL certificate as the steps are given for apple push notification please help me i am new and i have never worked on OpenSSL

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  • Filtering NSMutableArray based on enum property

    - by Marty
    I've got an NSMutableArray filled with objects of type "GameObject". GameObject has a number of properties, one of which being "gameObjectType" . "gameObjectType" is of type GameObjectTypeEnum. I want to be able to filter this NSMutableArray so only GameObjects of a certain type are returned. I've got the following in place, but it's giving me a "BAD ACCESS" error: NSPredicate *predicate = [NSPredicate predicateWithFormat:@"gameObjectType = %@", gameObjectType]; return [gameObjects filteredArrayUsingPredicate:predicate]; Is it possible to pass a "custom" type (ie, this enum I've defined) into the predicateWithFormat call?

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  • Why do I have memory problems?

    - by Tattat
    I got this error from XCode: objc[8422]: FREED(id): message release sent to freed object=0x3b120c0 I googled and find that is related to the memory. But I don't know which line of code I go wrong, any ideas? After I launch my app in simulator, it prompts a second, than, no other error except the error above. @implementation MyAppDelegate @synthesize window; @synthesize viewController; - (void)applicationDidFinishLaunching:(UIApplication *)application { // Override point for customization after app launch [window addSubview:viewController.view]; [window makeKeyAndVisible]; [self changeScene:[MainGameMenuScene class]]; } - (void)dealloc { [viewController release]; [window release]; [super dealloc]; } - (void) changeScene: (Class) scene { BOOL animateTransition = true; if(animateTransition){ [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:0.5]; [UIView setAnimationTransition:UIViewAnimationTransitionFlipFromLeft forView:window cache:YES]; //does nothing without this line. } if( viewController.view != nil ) { [viewController.view removeFromSuperview]; //remove view from window's subviews. [viewController.view release]; //release gamestate } viewController.view = [[scene alloc] initWithFrame:CGRectMake(0, 0, IPHONE_WIDTH, IPHONE_HEIGHT) andManager:self]; //now set our view as visible [window addSubview:viewController.view]; [window makeKeyAndVisible]; if(animateTransition){ [UIView commitAnimations]; } }

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  • Is `super` local variable?

    - by Michael
    // A : Parent @implementation A -(id) init { // change self here then return it } @end A A *a = [[A alloc] init]; a. Just wondering, if self is a local variable or global? If it's local then what is the point of self = [super init] in init? I can successfully define some local variable and use like this, why would I need to assign it to self. -(id) init { id tmp = [super init]; if(tmp != nil) { //do stuff } return tmp; } b. If [super init] returns some other object instance and I have to overwrite self then I will not be able to access A's methods any more, since it will be completely new object? Am I right? c. super and self pointing to the same memory and the major difference between them is method lookup order. Am I right? sorry, don't have Mac to try, learning theory as for now...

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  • How to give "Share with" option while opening documents in iphone mail

    - by rishabh
    So I've been going through the "Document Interaction Programming Topics for iOS". I've been able to achieve the "Open with myapp" option through Mail, was wondering how can I change the option to "Share with myapp" depending upon the file types specified? This is what I've tried: <key>CFBundleDocumentTypes</key> <array> <dict> <key>CFBundleTypeName</key> <string>Document</string> <key>LSHandlerRank</key> <string>Alternate</string> <key>CFBundleTypeRole</key> <string>Owner</string> <key>LSItemContentTypes</key> <array> <string>public.data</string> </array> </dict> </array>

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  • Why won't my movie play using MPMoviePlayerController?

    - by Nosrettap
    I'm trying to get a basic movie to play in an iPhone app; however, I can't seem to get it to work. Here's my entire code: #import <MediaPlayer/MediaPlayer.h> #import "ViewController.h" @implementation ViewController - (IBAction)playMoviePressed:(id)sender { NSURL *url = [NSURL URLWithString:@"http://www.ebookfrenzy.com/ios_book/movie/movie.mov"]; MPMoviePlayerController *moviePlayer = [[MPMoviePlayerController alloc] initWithContentURL:url]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(moviePlayBackDidFinish:) name:MPMoviePlayerPlaybackDidFinishNotification object:moviePlayer]; moviePlayer.controlStyle = MPMovieControlStyleDefault; moviePlayer.shouldAutoplay = YES; [self.view addSubview:moviePlayer.view]; [moviePlayer setFullscreen:YES animated:YES]; [moviePlayer prepareToPlay]; [moviePlayer play]; } @end I have one button on screen that calls playMoviePressed when it is tapped. I know that this method is getting called. I have also tried this with .mov and .mp4 local files that I have dragged into xcode.

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  • UIImage for UIImageView is nil

    - by yeesterbunny
    I'm having problem displaying UIImage in UIImageView. I looked all over stackoverflow for similar questions, but none of the fixes helped me. The image is indeed in my bundle File Inspector - Target Membership is checked for the image IBOutlet is connected (I have tried both using IBOutlet and doing it programmatically) Both png nor jpg works Here's the code for using Interface Builder - //@property and @synthesize set for IBOutlet UIImageView *imageView - (void)viewDidLoad { [super viewDidLoad]; NSAssert(self.imageView, @"self.imageView is nil. Check your IBOutlet connection"); UIImage *image = [UIImage imageNamed:@"banner.jpg"]; NSAssert(image, @"image is nil"); self.imageView.image = image; } This code will terminate with NSAssert, printing in the console that 'image is nil'. I also tried selecting the Image directly from the attributes inspector: However it still doesn't show the image (still terminates with NSAssert - 'image is nil'). Any help or suggestions will be greatly appreciated. Thanks

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  • Content Alignment Issue in UITableView cell

    - by OhhMee
    Please see the image attached. I don't understand why it's going outside. I've also attached code snippet for tableView. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:CellIdentifier]; // cell.accessoryType = UITableViewCellAccessoryDetailDisclosureButton; } // Configure the cell. hNode* dCell = [array objectAtIndex:[indexPath row]]; cell.textLabel.text = @"Message"; cell.detailTextLabel.text = [NSString stringWithFormat:@"%@",[dCell contents]]; cell.detailTextLabel.lineBreakMode = UILineBreakModeWordWrap; cell.detailTextLabel.numberOfLines = 0; [[cell imageView] setImage:[UIImage imageNamed:@"user.png"]]; return cell; } - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath*)indexPath { return 60; } Where could be the issue?

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  • Custom class deallocated as soon as the app starts.

    - by Tangrs
    Heya, I've added a class object to the nib file. All connections are made. But for some reason, the object is deallocated as soon as it's created. Here's the code: control.h: #import <Foundation/Foundation.h> @interface control : NSObject { IBOutlet UILabel *PlayerScore; } -(IBAction) addPoint: sender; -(void) dealloc; @end control.m: #import "control.h" @implementation control -(IBAction)addPoint: sender { NSLog(@"Ohhai. Didn't crash."); //Doesn't even make it to this stage. int i = [PlayerScore.text intValue]; PlayerScore.text=[NSString stringWithFormat: @"%d",++i]; } -(void) dealloc { NSLog(@"ZOMGWTF?"); [super dealloc]; } @end Here is the console log: [Session started at 2010-06-09 19:47:57 +1000.] 2010-06-09 19:47:58.771 App[91100:207] ZOMGWTF? And after I click the button which messages addPoint, of course, it crashes. 2010-06-09 19:47:59.703 App[91100:207] * -[control] performSelector:withObject:withObject:]: message sent to deallocated instance 0x3843d80 Does anyone have any ideas?

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  • c++ class in cocoa

    - by joels
    Any ideas why Xcode wont let me define a c++ class in my cocoa project? I am trying to use a C++ class in my cocoa project but I am getting build errors just creating the c++ header file. class SomeClass{ public: int count; } Expected '=', ',', ';', 'asm' or 'attribute' before 'SomeClass' in ..... If I remove all code from the header file, ?the cpp file builds without any errors and is included in the list of compiled sources...

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  • CADisplayLink stops updating when UIScrollView scrolled

    - by Tricky
    Title is quite self explanatory, but I have some animation being done in a loop triggered by CADisplayLink. However, as soon as I scroll a UIScrollView I have added to my view hierarchy, the animation stops immediately, only to return again when scrolling has completely stopped and come to a standstill.... Anyway to cancel this behaviour?

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  • How are files (especially audio files) organized internally?

    - by mystify
    I try to grok that: Apple is talking about "packets" in audio files, and there is a fancy function called AudioFileReadPackets which takes a lot of arguments. One of them specifies the "start packet", and another one the number of packets which you want to read. So I imagine an audio file to look like this, internally: It's made up of a lot of packets. If it's an audio file which has an variable bit rate format, then every packet may have a different size. If the file has an constant bit rate format, then every packet is the same size. So an audio file is like a truck full of boxes, and every box contains some interesting stuff. Is that correct? Does it apply to any kind of file? Is this how files actually look like?

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