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  • How to reset all the values after completion of the game, before starting it again ?

    - by srikanth rongali
    I have writing a small shooting game in cocos2d. Winning the game is to eliminate all the 10 enemies. After that end screen comes showing 'You Won' and 'Play Again'. If I go for 'Play Again' option the game is starting from where I need. But, the problem is that the game is continuing from previously ended state. I mean it is not starting from enemy 1 again instead it is just showing the end of 10 enemy. I think I have to reset all the values before pushing the scene. But should I reset all the values I have used or there is any other way ? Thank You.

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  • website to be displayed in browser

    - by hardik
    i have a button called "Visit Website" If Visit Website is clicked then the website supplied will be opened in the browser. My requirement is, when closing the browser the user will be brought back to the same screen i want to do it in this way please guide me how i can do that

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  • How to parse XML with special characters?

    - by Snooze
    Whenever I try to parse XML with special characters such as o or ???? I get an error. The xml documents claims to use UTF-8 encoding but that does not seem to be the case. Here is what the troublesome text looks like when I view the XML in Firefox: Bleach: The Diamond Dust Rebellion - MÅ? Hitotsu no HyÅ?rinmaru; Bleach - The DiamondDust Rebellion - Mou Hitotsu no Hyourinmaru On the actual website, Å? is actually the character o. <br /> One day, Doraemon and his friends meet Professor Mangetsu (æº?æ??å??ç??, Professor Mangetsu?), who studies magic and magical beings such as goblins, and his daughter Miyoko (ç¾?å¤?å­?, Miyoko?), and are warned of the dangerous approximation of the &quot;star of the Underworld&quot; to the Earth&#039;s orbit.<br /> <br /> And once again, on the actual website, those characters appear as ???? and ???. The actual XML file is formatted properly other than those special characters, which certainly do not appear to be using the UTF-8 encoding. Is there a way to get NSXML to parse these XML files?

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  • UITableView Animation when entering Editmode

    - by f0rz
    Hi! Maybe I´m just stupid but I cant understand why this isnt working. I want to achieve a little animation when I'm entering editing mode within a UITableView. [super setEditing:NO animated:YES]; [myTable setEditing:NO animated:YES]; [myTable reloadData]; [self.navigationItem.leftBarButtonItem setTitle:@"Edit"]; [self.navigationItem.leftBarButtonItem setStyle:UIBarButtonItemStylePlain]; Shouldnt this animated:YES suppose to animated this entering of the editmode? Regards. - f0rz

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  • How to recreate the UITabBarItem image filter?

    - by boliva
    Hi, I'm writing a custom UITabBar replacement, and I would like to know how to recreate the filter that the built-in implementation does with the UITabBarItem image - that blue shining on selected tabs and gray gradient on unselected ones. I guess it's a matter of using the source image alpha value as a mask and overlay it with a pre-made blue (or whatever color) shining image and another one grayed out, but I would like to know what is the best approach from a code point of view. Best,

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  • Does correcting a value in an validation method mark the object as dirty?

    - by dontWatchMyProfile
    From the docs: If you change the input value in a validate:error: method, you must ensure that you only change the value if it is invalid or uncoerced. The reason is that, since the object and context are now dirtied, Core Data may validate that key again later. If you keep performing a coercion in a validation method, this can therefore produce an infinite loop. So when I modify a value in a validation method, the context gets dirtied? And the next time I save, the validation happens again - and when I change the value even if the validation is OK, then the context is again dirtied, and revalidated again - and I change the value, and Core Data validates, again, because the context is dirtied. And so on...for ever... is that right? Or did they try to say something different?

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  • Objective C Enumerate Sentences in a paragraph

    - by Faz Ya
    I would like to write an enumerator that would go through a paragraph of text and gives me one sentence at a time. I tried using stringEnumerate with the NSStringEnumerationBySentences but that simply looks at the periods and fails. For example, lets say I have the following text Block: "Senator John A. Boehner decided not to move forward. He also decided not to call the congress. The news reporter said though...." I would like my function to break down the above paragraph in the following sentences: Senator John A. Boehner decided not to move forward He also decided not to call the congress (No third sentence because it's a half a sentence) The String Enumerator with the sentence optionjust looks at the periods and breaks down that way which is wrong: Senator John A. Boehner decided not to move forward He also decided not to call the congress The news reporter said though.... Is there any library or function that I can call that does a better job at this? Thanks - (NSMutableString *) getOnlyFullSentencesFromTextBlock:(NSMutableString *) textBlock{ [textBlock enumerateSubstringsInRange:NSMakeRange(0, [textBlock length]) options:NSStringEnumerationBySentences | NSStringEnumerationLocalized usingBlock:^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) { NSLog(@"Sentence Frag:%@", substring); }]; return textBlock; }

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  • How do I switch between Navigation Controllers?

    - by RexOnRoids
    Situation: I have an Xcode project based on the "Navigation-Based-Application" template. So that means I have a SINGLE UINavigationController that manages a UIViewController. What I want To Do: What I want to do is add one more UINavigationController to my project -- and be able to switch back and forth between them. (I want to do this to make space for some seperate unrelated content so that it does not have a back button pointing back to the root view controller.) Question: How do I add one more UINavigationController to my project and switch between the two UINavigationControllers?

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  • How we can perform Action on Sequence UIButtons?

    - by Prince Shazad
    As My Screen shot show that i am working on word matching game.In this game i assign my words to different UIButtons in Specific sequence on different loctions(my red arrow shows this sequence)and of rest UIButtons i assign a one of random character(A-Z).when i Click on any UIButtons its title will be assign to UILabel which is in Fornt of Current Section:i campare this UILabel text to below UILabels text which is in fornt of timer.when it match to any of my UILabels its will be deleted.i implement all this process already. But my problem is that which is show by black lines.if the player find the first word which is "DOG". he click the Two UIButtons in Sequence,but not press the Third one in Sequence.(as show by black line).so here i want that when player press the any UIButtons which is not in Sequence then remove the previous text(which is "DO") of UILabel and now the Text of UILabel is only "G" . Here is my code to get the UIButtons titles and assign it UILabel. - (void)aMethod:(id)sender { UIButton *button = (UIButton *)sender; NSString *get = (NSString *)[[button titleLabel] text]; NSString *origText = mainlabel.text; mainlabel.text = [origText stringByAppendingString:get]; if ([mainlabel.text length ]== 3) { if([mainlabel.text isEqualToString: a]){ lbl.text=@"Right"; [btn1 removeFromSuperview]; score=score+10; lblscore.text=[NSString stringWithFormat:@"%d",score]; words=words-1; lblwords.text=[NSString stringWithFormat:@"%d",words]; mainlabel.text=@""; a=@"tbbb"; } else if([mainlabel.text isEqualToString: c]){ lbl.text=@"Right"; [btn2 removeFromSuperview]; score=score+10; lblscore.text=[NSString stringWithFormat:@"%d",score]; words=words-1; lblwords.text=[NSString stringWithFormat:@"%d",words]; mainlabel.text=@""; c=@"yyyy"; } else if([mainlabel.text isEqualToString: d]){ lbl.text=@"Right"; [btn3 removeFromSuperview]; score=score+10; lblscore.text=[NSString stringWithFormat:@"%d",score]; words=words-1; lblwords.text=[NSString stringWithFormat:@"%d",words]; mainlabel.text=@""; d=@"yyyy"; } else { lbl.text=@"Wrong"; mainlabel.text=@""; } }} Thanx in advance

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  • problem in adding image to the UIButton.

    - by monish
    Hi friends, I got an another problem in my application and I am wasting so much of time on that. Does pls anyone can help with this problem. Actually I had an Event and I should give rating for that event for that I wrote the code as: In CellForRowAtIndexPath......I had the code as: - (UITableViewCell *)tableView:(UITableView *)tv cellForRowAtIndexPath:(NSIndexPath *)indexPath { UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"MasterViewIdentifier"]; //UITableViewCell *cell = nil; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:@"MasterViewIdentifier"] autorelease]; cell.selectionStyle = UITableViewCellSelectionStyleNone; UIView* elementView = [[UIView alloc] initWithFrame:CGRectMake(20,170,320,280)]; elementView.tag = 0; elementView.backgroundColor=[UIColor clearColor]; [cell.contentView addSubview:elementView]; [elementView release]; } UIView* elementView = [cell.contentView viewWithTag:0]; elementView.backgroundColor=[UIColor clearColor]; for(UIView* subView in elementView.subviews) { [subView removeFromSuperview]; } if(indexPath.section == 8) { UIImage *whiteImg = [UIImage imageNamed:@"white_star.png"] ; UIImage *yellowImg = [UIImage imageNamed:@"yellow_Star.png"] ; UIButton *button1 = [[UIButton alloc]initWithFrame:CGRectMake(159, 15, 25, 20)]; [button1 addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside]; button1.tag = 1; UIButton *button2 = [[UIButton alloc]initWithFrame:CGRectMake(185, 15, 25, 20)]; [button2 addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside]; button2.tag = 2; UIButton *button3 = [[UIButton alloc]initWithFrame:CGRectMake(211, 15, 25, 20)]; [button3 addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside]; button3.tag = 3; UIButton *button4 = [[UIButton alloc]initWithFrame:CGRectMake(237, 15, 25, 20)]; [button4 addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside]; button4.tag = 4; UIButton *button5 = [[UIButton alloc]initWithFrame:CGRectMake(263, 15, 25, 20)]; [button5 addTarget:self action:@selector(buttonAction:) forControlEvents:UIControlEventTouchUpInside]; button5.tag = 5; if(event.eventRatings == 1) { [button1 setBackgroundImage:yellowImg forState:UIControlStateNormal]; [button2 setBackgroundImage:whiteImg forState:UIControlStateNormal]; [button3 setBackgroundImage:whiteImg forState:UIControlStateNormal]; [button4 setBackgroundImage:whiteImg forState:UIControlStateNormal]; [button5 setBackgroundImage:whiteImg forState:UIControlStateNormal]; } else if(event.eventRatings == 2) { [button1 setBackgroundImage:yellowImg forState:UIControlStateNormal]; [button2 setBackgroundImage:yellowImg forState:UIControlStateNormal]; [button3 setBackgroundImage:whiteImg forState:UIControlStateNormal]; [button4 setBackgroundImage:whiteImg forState:UIControlStateNormal]; [button5 setBackgroundImage:whiteImg forState:UIControlStateNormal]; } else if(event.eventRatings == 3) { [button1 setBackgroundImage:yellowImg forState:UIControlStateNormal]; [button2 setBackgroundImage:yellowImg forState:UIControlStateNormal]; [button3 setBackgroundImage:yellowImg forState:UIControlStateNormal]; [button4 setBackgroundImage:whiteImg forState:UIControlStateNormal]; [button5 setBackgroundImage:whiteImg forState:UIControlStateNormal]; } else if(event.eventRatings == 4) { [button1 setBackgroundImage:yellowImg forState:UIControlStateNormal]; [button2 setBackgroundImage:yellowImg forState:UIControlStateNormal]; [button3 setBackgroundImage:yellowImg forState:UIControlStateNormal]; [button4 setBackgroundImage:yellowImg forState:UIControlStateNormal]; [button5 setBackgroundImage:whiteImg forState:UIControlStateNormal]; } else if(event.eventRatings == 5) { [button1 setBackgroundImage:yellowImg forState:UIControlStateNormal]; [button2 setBackgroundImage:yellowImg forState:UIControlStateNormal]; [button3 setBackgroundImage:yellowImg forState:UIControlStateNormal]; [button4 setBackgroundImage:yellowImg forState:UIControlStateNormal]; [button5 setBackgroundImage:yellowImg forState:UIControlStateNormal]; } else { [button1 setBackgroundImage:whiteImg forState:UIControlStateNormal]; [button2 setBackgroundImage:whiteImg forState:UIControlStateNormal]; [button3 setBackgroundImage:whiteImg forState:UIControlStateNormal]; [button4 setBackgroundImage:whiteImg forState:UIControlStateNormal]; [button5 setBackgroundImage:whiteImg forState:UIControlStateNormal]; } [elementView addSubview:button1]; [button1 release]; [elementView addSubview:button2]; [button2 release]; [elementView addSubview:button3]; [button3 release]; [elementView addSubview:button4]; [button4 release]; [elementView addSubview:button5]; [button5 release]; if(isRightButton == YES) { button1.enabled = NO; button2.enabled = NO; button3.enabled = NO; button4.enabled = NO; button5.enabled = NO; } else if(isRightButton == NO) { button1.enabled = YES; button2.enabled = YES; button3.enabled = YES; button4.enabled = YES; button5.enabled = YES; } [elementView addSubview:ratingsTitleLabel]; cell.accessoryType = UITableViewCellAccessoryNone; } return cell; } And the action of the button is written as: -(void)buttonAction:(id)sender { rating = [sender tag]; printf("\n Ratig Value inside Button Action~~~~~~~~~~~~~~~~%d",rating); event.eventRatings = rating; [tableView reloadData]; } When I build the application in simlator of 3.1.2 O.S its working fine by displaying the star images. My porblem is when I build it in 3.1.2 O.S Device the images are not displaying.I checked the code for casesensitivity in file name and its gud but Im not gettig the images to display. Guys help me to solve this. Thank you, Monish Kumar.

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  • Properly maintain sorted state of Array/Set

    - by Jeff
    I'm trying to get data out of my MOC and then create some new objects based on those objects, and put it all back together, while keeping my sort state. The securities come out of the MOC in proper order. And everything seems to be fine until I do the assignment to the game at the bottom from setWithArray. The documentation says that setWithArray removed the duplicate objects, if there are any. I'm wonder if that's messing up my data, but I don't see a good alternative. The data is ultimately being pulled out into a UITableView. When I add items to the game manually, then they stay sorted, so I don't think the breaking of the sort is beyond the scope of what I've included here. NSError *error; NSArray *allTheSecurities = [managedObjectContext executeFetchRequest:request error:&error]; if (allTheSecurities == nil) { // Handle the error. } [request release]; /**/ NSLog( @"Enumerate..." ); NSEnumerator *enumerator = [allTheSecurities objectEnumerator]; id anObject; NSMutableArray *portfolioStocks = [[NSMutableArray alloc] init]; while (anObject = [enumerator nextObject]) { NSLog( @"Iteration... %@", [anObject name] ); NSLog( @"Build a stock..." ); PortfolioStocks *this_stock = (PortfolioStocks *)[NSEntityDescription insertNewObjectForEntityForName:@"PortfolioStocks" inManagedObjectContext:context]; NSLog( @"Set a value..." ); [this_stock setSecurity:(Security *)anObject]; [this_stock setQuantity:[NSNumber numberWithInt:0]]; NSLog( @"Add to portfolioStocks..." ); [portfolioStocks addObject:this_stock]; } //Sorted properly up to here! NSLog( @"Add to portfolio..." ); [game setPortfolio:[NSSet setWithArray:portfolioStocks]]; // <-- This is where it's not sorted anymore.

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  • How to list Activities which match an intent?

    - by Adam
    I have a few separate applications which are all launched purely through a main application. I am wondering if I'd be able to use intents to retrieve a list of all the sub-applications which match some discovery intent. The main application currently needs to know what Intents to use to START these sub-applications, but is there a way to use intents to see if other Activities on the device match a set of intent-filters?

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  • keyboard hiding my textview

    - by Risma
    hi guys i have a simple app, it consist of 2 textview, 1 uiview as a coretext subclass, and then 1 scrollview. the others part is subviews from scrollview. I use this scrollview because i need to scroll the textviews and uiview at the same time. I already scroll all of them together, but the problem is, the keyboard hiding some lines in the textview. I have to change the frame of scrollview when keyboard appear, but it still not help. This is my code : UIScrollView *scrollView; UIView *viewTextView; UITextView *lineNumberTextView; UITextView *codeTextView; -(void) viewWillAppear:(BOOL)animated{ [super viewWillAppear:animated]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillAppear:) name:UIKeyboardWillShowNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(keyboardWillDisappear:) name:UIKeyboardWillHideNotification object:nil]; self.scrollView.frame = CGRectMake(0, 88, self.codeTextView.frame.size.width, self.codeTextView.frame.size.height); scrollView.contentSize = CGSizeMake(self.view.frame.size.width, viewTextView.frame.size.height); [scrollView addSubview:viewTextView]; CGAffineTransform translationCoreText = CGAffineTransformMakeTranslation(60, 7); [viewTextView setTransform:translationCoreText]; [scrollView addSubview:lineNumberTextView]; [self.scrollView setScrollEnabled:YES]; [self.codeTextView setScrollEnabled:NO]; } -(void)keyboardWillAppear:(NSNotification *)notification { [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:[[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue]]; CGRect keyboardEndingUncorrectedFrame = [[[notification userInfo] objectForKey:UIKeyboardFrameEndUserInfoKey ] CGRectValue]; CGRect keyboardEndingFrame = [self.view convertRect:keyboardEndingUncorrectedFrame fromView:nil]; self.scrollView.frame = CGRectMake(0, 88, self.codeTextView.frame.size.width, self.codeTextView.frame.size.height - keyboardEndingFrame.size.height); [UIView commitAnimations]; } -(void)keyboardWillDisappear:(NSNotification *) notification { [UIView beginAnimations:nil context:NULL]; [UIView setAnimationDuration:[[[notification userInfo] objectForKey:UIKeyboardAnimationDurationUserInfoKey] doubleValue]]; CGRect keyboardEndingUncorrectedFrame = [[[notification userInfo] objectForKey:UIKeyboardFrameEndUserInfoKey] CGRectValue]; CGRect keyboardEndingFrame = [self.view convertRect:keyboardEndingUncorrectedFrame fromView:nil]; self.scrollView.frame = CGRectMake(0, 88, self.codeTextView.frame.size.width, self.codeTextView.frame.size.height + keyboardEndingFrame.size.height); [UIView commitAnimations]; } can somebody help me please?

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  • Using Kal calendar without doing the initialization (and so on) in the AppDelegate

    - by testing
    I'm using the Kal calendar. For the code shown below I'm referring to the Holiday example. In this example the allocation and initialization of Kal is done in the applicationDidFinishLaunching in the AppDelegate. The UITableViewDelegate protocol (e.g. didSelectRowAtIndexPath) is also positioned in the AppDelegate class. The AppDelegate: #import "HolidayAppDelegate.h" #import "HolidaySqliteDataSource.h" #import "HolidaysDetailViewController.h" ## Heading ###import "Kal.h" @implementation HolidayAppDelegate @synthesize window; - (void)applicationDidFinishLaunching:(UIApplication *)application { kal = [[KalViewController alloc] init]; kal.navigationItem.rightBarButtonItem = [[[UIBarButtonItem alloc] initWithTitle:@"Today" style:UIBarButtonItemStyleBordered target:self action:@selector(showAndSelectToday)] autorelease]; kal.delegate = self; dataSource = [[HolidaySqliteDataSource alloc] init]; kal.dataSource = dataSource; // Setup the navigation stack and display it. navController = [[UINavigationController alloc] initWithRootViewController:kal]; [window addSubview:navController.view]; [window makeKeyAndVisible]; } // Action handler for the navigation bar's right bar button item. - (void)showAndSelectToday { [kal showAndSelectDate:[NSDate date]]; } #pragma mark UITableViewDelegate protocol conformance // Display a details screen for the selected holiday/row. - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { Holiday *holiday = [dataSource holidayAtIndexPath:indexPath]; HolidaysDetailViewController *vc = [[[HolidaysDetailViewController alloc] initWithHoliday:holiday] autorelease]; [navController pushViewController:vc animated:YES]; } #pragma mark - - (void)dealloc { [kal release]; [dataSource release]; [window release]; [navController release]; [super dealloc]; } @end I don't want to put this into the AppDelegate, because there could be some overlapping code with other views. It should be a separate "component" which I can call and put on the stack. In my navigation based project I have a main view, the RootViewController. From there I want to push the Kal view on the stack. Currently I'm pushing an additional ViewController on the stack. In the viewWillAppear method from this ViewController I do the things shown in the code above. The following problems appear: Navigation back has to be done two times (one for the Kal calendar, one for my created view) Navigation to my main view is not possible anymore In the moment I don't know where to put this code. So the question is where to put the methods for allocation/initialization as well as the methods for the UITableViewDelegate protocol.

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  • Why call autorelease for iVar definition in init method?

    - by iFloh
    Hi, I just familiarise myself with the CLLocationManager and found several sample class definitions that contain the following init method: - (id) init { self = [super init]; if (self != nil) { self.locationManager = [[[CLLocationManager alloc] init] autorelease]; self.locationManager.delegate = self; } return self; } - (void)dealloc { [self.locationManager release]; [super dealloc]; } I don't understand why the iVar would be autoreleased. Does this not mean it is deallocated at the end of the init method? I am also puzzled to see the same sample codes have the iVar release in the dealloc method. Any thoughts? '

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  • Multiple UIWebViewNavigationTypeBackForward not only false but make inferring the actual url impossi

    - by SG1
    I have a UIWebView and a UITextField for the url. Naturally, I want the textField to always show the current document url. This works fine for urls directly input in the field, but I also have some buttons attached to the view for reload, back, and forward. So I've added all the UIWebViewDelegate methods to my controller, so it can listen to whenever the webView navigates and change the url in the textField as needed. Here's how I'm using the shouldStartLoadWithRequest: method: - (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType { NSLog(@"navigated via %d", navigationType); //loads the user cares about if ( navigationType == UIWebViewNavigationTypeLinkClicked || navigationType == UIWebViewNavigationTypeBackForward ) { //URL setting [self setUrlQuietly:request.URL]; } return YES; } Now, my problem here is that an actual click will generate a single navigation of type "LinkClicked" followed by a dozen type "Other" (redirects and ad loads I assume), which gets handled correctly by the code, but a back/forward action will generate all its requests as back/forward requests. In other words, a click calls setUrlQuietly: once, but a back/forward calls it multiple times. I am trying to use this method to determine if the user actually initiated the action (and I'd like to catch page redirects too). But if the method has no way of distinguishing between an actual "back" and a "load initiated as a result of a back", how can I make this assessment? Without this, I am completely stumped as to how I can only show the actual url and not intermediate urls. Thank you!

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  • if statement is giving me some trouble

    - by kevin Mendoza
    For some reason, this if statement is giving me an "Expected : before ] token. if ([ [mine commodity] isEqualToString:@"Gold"] && [gold == YES]) { [tempMine setAnnotationType:iProspectLiteAnnotationTypeGold]; [mapView addAnnotation:tempMine]; } is there some typo here that I'm not seeing?

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  • Navigation Items in Navigation Bar are not appearing?

    - by Sheehan Alam
    I am displaying a UITableViewController inside of a UITabBarController that is being presented modally: -(IBAction)arButtonClicked:(id)sender{ ARViewController* arViewController = [[[ARViewController alloc] initWithNibName:@"ARViewController" bundle:nil]autorelease]; LeaderBoardTableViewController* lbViewController = [[[LeaderBoardTableViewController alloc] initWithNibName:@"LeaderBoardTableViewController" bundle:nil]autorelease]; lbViewController.title = @"Leaderboard"; arTabBarController = [[UITabBarController alloc] initWithNibName:nil bundle:nil]; arTabBarController.viewControllers = [NSArray arrayWithObjects:arViewController, lbViewController, nil]; arTabBarController.selectedViewController = arViewController; [self presentModalViewController:arTabBarController animated:YES]; } In my viewDidLoad for arViewController method I am setting the navigation items: - (void)viewDidLoad { [super viewDidLoad]; // Uncomment the following line to preserve selection between presentations. self.clearsSelectionOnViewWillAppear = NO; self.title = @"AR"; leaderBoardButton = [[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemOrganize target:self action:@selector(leaderBoardButtonClicked:)]; self.navigationItem.rightBarButtonItem = leaderBoardButton; } My navigation bar doesn't appear when it is inside of the UITabBarController, but when I push the view itself I am able to see it. What am I missing?

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  • to-many Core Data fetch request behaves oddly with a new store

    - by Giao
    I have two entities, Department and Person. Department has a to-many relationship to Person. The Person entity has a hireDate property. I'm using the predicate "count(person) = 0 OR none person.hireDate %@" to find Departments without any Persons in them or Departments that haven't hired anyone since a recent date. When the app first starts up (new user experience) and Departments are inserted and no Person have been inserted, the fetch request with this predicate returns nothing. However, if I create insert a new Person entity and delete it, then save the store, the fetch request will return all the Departments. I've found a work around where, I just insert a new Person and delete it, then save the store, the fetch request as I expected it to work. I've found that inserting a new Person and deleting it without saving will not correct the problem. Is this a bug with Core Data or is this a bug with how I've designed my app?

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  • Objective-C method not being called

    - by Matt S.
    It's either because of the fact I'm tired or because I'm doing it wrong, but for some reason I can't get it to call a method. Here's what I'm trying to call: -(void)newHighScore:(int)d Which right now just does an NSLog saying "yea I'm working!" I'm calling it like this: [highscore newHighScore:score]; highscore is what I called the HighScore class in the .h, and score is an int with the score.

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  • Loading contents of TableView Controller after showing Tab

    - by Teo
    Hello, I have a 4 tabbar application. The second tab has a tableviewController. When i select the second tab the tableview is displayed with it's contents and it works fine. The problem is that that data is comming from the network and it talks 2-3 seconds to load. So when i press the second tab it goes there after the contents have been loaded. How can i show an empty tableview (i'll put an activity indicator) and then load and show the contents? Teo

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