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  • Help me to complete my UITableView to Navigation Controller [iPhone SDK]

    - by Momeks
    I built an application. On the one my views I used TableView. So now I want to change this Table view to a navigation controller. 1- How can I change UITable view to Navigation Controller. I add navigation codes but I got some alert! [I know I must identify my navigation delegate, but HOW ?] Here is my Mapping Views! AppNameViewController FirstViewController [on this view I used table view and I want change to nav] SecondViewController ThirdViewControllerController

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  • UINavigationController's back button disappears?

    - by QAD
    I notice something strange happens to one of my view controller: the back button disappears, yet it's possible to go back to previous view controller by tapping the top left corner (i.e where the button should reside). In my entire file there's no line that set self.navigationItem.hidesBackButton to YES; also NSLog prints 0 as self.navigationItem.hidesBackButton's value in viewDidLoad. This occurs in both the simulator and real device. Any ideas?

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  • iphone - navigation controller - move to first view from last view without traversing all intermedia

    - by satyam
    i'm working on iphone app which will show 4 buttons in first view. on click of a button, it will load a new view with navigation controller. this navigation controller view allows to travel upto 11 sub views. in 11th sub view, i've a reset button. on click of reset button, i've to go back to navigation controllers first view without traversing all the 11 views? is it possible to achieve it? if yes how? if no, what can be the solution?

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  • How do I push a new controller via UIButton, nested in a UIScrollView?

    - by jimijon
    Hello - I have my views that are part of a tabBar. Each view has a navigationController. In one of my views I have an embeded xib component. This is a scrolling view with UIButtons inside it. I want to slide in another view, inside the navigationController when a person taps the button. I can get the taps, etc. BUT, I can't figure out how to find the controlling navigationController of that page to push the new view into. Nothing seems to work that I have tried. IS this possible? Thanks

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  • Use pushViewController within app Delegate

    - by FMT
    Hi there i want to use this code within the app delegate ChatController *chatController = [[AppDelegate appDelegate] instantiateViewControllerWithIdentifier:@"GroupController"]; chatController.targetUserid = userid; [self.navigationController pushViewController:groupChatController animated:YES]; how can i push viewcontroller from appdelegate i mean make the above code work cuz self.navigationcontroller doesnt work :$

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  • How do I hook up a custom tab bar build in IB to a UINavigationController Object instanced in XCODE?

    - by David Hsu
    What I did to create the custom NAV BAR: 1. Created an empty XIB and added a view with class UINavigationController. 2. Under the view I added the navigation bar and a left and right button onto the nav bar. 3. Control drag from "File Owner" to "View" Inside my class where I call the modal view navigation controller: SignupViewController *addController = [[SignupViewController alloc] initWithNibName:@"SignupViewController" bundle:nil]; // Create the navigation controller and present it modally. UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:addController]; navigationController.navigationBar = ///WHAT SHOULD GO HERE? [self presentModalViewController:navigationController animated:YES]; Thank in advance!

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  • iOS TableView crash don't know how. Here is the app

    - by jollyr0ger
    Hi! In my app that you can download here: http://ge.tt/2DDqfJa I've started a discussion but is died here iOS TableView crash loading different data The problem is when I back from viewing the YouTube video to the recipes list, the app crash... And when i select a category for the second time, where have to load a tableview with different data source, it crash. This is the crash log Program received signal: “EXC_BAD_ACCESS”. (gdb) bt #0 0x00f0da63 in objc_msgSend () #1 0x04b27ca0 in ?? () #2 0x00002665 in -[RecipesListController viewWillAppear:] (self=0x4b38a00, _cmd=0x6d81a2, animated=1 '\001') at /Users/claudiocanino/Documents/iOS/CottoMangiato/Classes/RecipesListController.m:67 #3 0x00370c9a in -[UINavigationController _startTransition:fromViewController:toViewController:] () #4 0x0036b606 in -[UINavigationController _startDeferredTransitionIfNeeded] () #5 0x0037283e in -[UINavigationController pushViewController:transition:forceImmediate:] () #6 0x04f49549 in -[UINavigationControllerAccessibility(SafeCategory) pushViewController:transition:forceImmediate:] () #7 0x0036b4a0 in -[UINavigationController pushViewController:animated:] () #8 0x00003919 in -[CategoryViewController tableView:didSelectRowAtIndexPath:] (self=0x4b27ca0, _cmd=0x6d19e3, tableView=0x500c200, indexPath=0x4b2d650) at /Users/claudiocanino/Documents/iOS/CottoMangiato/Classes/CategoryViewCotroller.m:104 #9 0x0032a794 in -[UITableView _selectRowAtIndexPath:animated:scrollPosition:notifyDelegate:] () #10 0x00320d50 in -[UITableView _userSelectRowAtPendingSelectionIndexPath:] () #11 0x000337f6 in __NSFireDelayedPerform () #12 0x00d8cfe3 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ () #13 0x00d8e594 in __CFRunLoopDoTimer () #14 0x00ceacc9 in __CFRunLoopRun () #15 0x00cea240 in CFRunLoopRunSpecific () #16 0x00cea161 in CFRunLoopRunInMode () #17 0x016e0268 in GSEventRunModal () #18 0x016e032d in GSEventRun () #19 0x002c342e in UIApplicationMain () #20 0x00001c08 in main (argc=1, argv=0xbfffef58) at /Users/claudiocanino/Documents/iOS/CottoMangiato/main.m:15 Another bt log: (gdb) bt #0 0x00cd76a1 in __CFBasicHashDeallocate () #1 0x00cc2bcb in _CFRelease () #2 0x00002dd6 in -[RecipesListController setRecipesArray:] (self=0x6834d50, _cmd=0x4293, _value=0x4e3bc70) at /Users/claudiocanino/Documents/iOS/CottoMangiato/Classes/RecipesListController.m:16 #3 0x00002665 in -[RecipesListController viewWillAppear:] (self=0x6834d50, _cmd=0x6d81a2, animated=1 '\001') at /Users/claudiocanino/Documents/iOS/CottoMangiato/Classes/RecipesListController.m:67 #4 0x00370c9a in -[UINavigationController _startTransition:fromViewController:toViewController:] () #5 0x0036b606 in -[UINavigationController _startDeferredTransitionIfNeeded] () #6 0x0037283e in -[UINavigationController pushViewController:transition:forceImmediate:] () #7 0x091ac549 in -[UINavigationControllerAccessibility(SafeCategory) pushViewController:transition:forceImmediate:] () #8 0x0036b4a0 in -[UINavigationController pushViewController:animated:] () #9 0x00003919 in -[CategoryViewController tableView:didSelectRowAtIndexPath:] (self=0x4b12970, _cmd=0x6d19e3, tableView=0x5014400, indexPath=0x4b2bd00) at /Users/claudiocanino/Documents/iOS/CottoMangiato/Classes/CategoryViewCotroller.m:104 #10 0x0032a794 in -[UITableView _selectRowAtIndexPath:animated:scrollPosition:notifyDelegate:] () #11 0x00320d50 in -[UITableView _userSelectRowAtPendingSelectionIndexPath:] () #12 0x000337f6 in __NSFireDelayedPerform () #13 0x00d8cfe3 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ () #14 0x00d8e594 in __CFRunLoopDoTimer () #15 0x00ceacc9 in __CFRunLoopRun () #16 0x00cea240 in CFRunLoopRunSpecific () #17 0x00cea161 in CFRunLoopRunInMode () #18 0x016e0268 in GSEventRunModal () #19 0x016e032d in GSEventRun () #20 0x002c342e in UIApplicationMain () #21 0x00001c08 in main (argc=1, argv=0xbfffef58) at /Users/claudiocanino/Documents/iOS/CottoMangiato/main.m:15 Thanks

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  • UIViewAnimation done by a UIViewController belonging to a UINavigationController?

    - by RickiG
    Hi I have an UINavigationController which the user navigates with. When pushing a specific UIViewController onto the navigation stack, a "settings" button appear in the navigationBar. When the user clicks this button I would like to flip the current view/controller, i.e. everything on screen, including the navigationBar, over to a settings view. So I have a SettingsViewController which I would like to flip to from my CurrentViewController that lives on a navigationController stack. I get all kinds of strange behavior trying to do this, the UIViews belonging to the SettingsViewController will start to animate, sliding into place, the navigationButtons moves around, nothing acts as I would think. -(void)settingsHandler { SettingViewController *settingsView = [[SettingViewController alloc] init]; [UIView beginAnimations:nil context:nil]; [UIView setAnimationDuration:1.0]; [UIView setAnimationTransition:UIViewAnimationTransitionFlipFromRight forView:self.navigationController.view cache:YES]; [self.navigationController.view addSubview:settingsView.view]; [UIView commitAnimations]; } The above results in the views flipping correctly, but the subviews of the SettingsViewController are all positioned in (0, 0) and after the transition, they 'snap' into place? Is it because I instantiate and add my subviews in viewDidLoad, like this? - (void)viewDidLoad { UIImageView *imageBg = [[UIImageView alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 320.0f, 460.0f)]; [imageBg setImage:[UIImage imageNamed:@"background.png"]]; [self.view addSubview:imageBg]; [imageBg release]; SettingsSubview *switchView = [[SettingsSubview alloc] initWithFrame:CGRectMake(0.0f, 0.0f, 320.0f, 460.0f)]; [self.view addSubview:switchView]; [switchView release]; [super viewDidLoad]; } 1: How should I correctly do the "flip" transition, from within the UIViewController in the UINavigationController, to a new UIViewController and subsequently from the new UIViewController and back to the "original" UIViewController residing on the UINavigationControllers stack? 2: Should I use a different approach, than the "viewDidLoad" method, when instantiating and adding subviews to a UIViewController? -question 2 is more of a "best practice" thing. I have seen different ways of doing it and I am having trouble either finding or understanding the life-cycle documentation and the different threads and posts on the subject. I am missing the "best practice" examples. Thank You very much for any help given:)

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  • How can I pop a view from a UINavigationController and replace it with another in one operation?

    - by Matt Brandt
    I have an application where I need to remove one view from the stack of a UINavigationController and replace it with another. The situation is that the first view creates an editable item and then replaces itself with an editor for the item. When I do the obvious solution within the first view: MyEditViewController *mevc = [[MYEditViewController alloc] initWithGizmo: gizmo]; [self retain]; [self.navigationController popViewControllerAnimated: NO]; [self.navigationController pushViewController: mevc animated: YES]; [self release]; I get very strange behavior. Usually the editor view will appear, but if I try to use the back button on the nav bar I get extra screens, some blank, and some just screwed up. The title becomes random too. It is like the nav stack is completely hosed. What would be a better approach to this problem? Thanks, Matt

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  • UIScrollView resizes when a UIViewController is pushed in UINavigationController. Why?

    - by user210504
    Hi! When I push a UIViewController within a UINavigationController, the UIScrollView in the view changes dimensions. Now even I am trying to resize the UIScrollView. It wont simply resize. It maintains the framework dimensions. Any idea why this would be happening. Example: My NIB has a view which has a scrollview with dimensions (320, 430) now when I push the UIViewController associated with the view the scrollview still shows dimensions has 320, 430, but is drawn much smaller then 320,430 Any suggestions in this regard.

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  • How do I add two alternating UITableViews to an existing UINavigationController view?

    - by Ron Flax
    I'm new to iPhone development and I am writing an iPhone app that needs two different table views, which are selectable using a button bar or tab bar. These table views are both the same size, but only cover about two thirds of the screen from the bottom up. The top portion of the screen remains the same when either of these tables is displayed. I'd also like to animate (flip) these views when the user selects one or the other. The view that these two tables will be displayed on is the detail view of my app where the user has already selected an item from the primary screen's table. I'm using a UINavigationController to manage the primary and detail views and I have this working. I also have the first of these two detail tables working as part of my detail view, but I think it makes more sense to isolate the code for these two tables and not duplicate all of the code for the part of the detail view that doesn't change. I don't really care how these two table views are created (either in code or via IB). I've tried several things and I can't seem to figure it out. Any help or ideas (with sample code) would be greatly appreciated!

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  • iphone presentModalViewController

    - by sandy
    Hi All, I have an app, inside that an UIViewController is attached on the UIWindow. on the view of UIViewController, i have added a button and a uiview_1 of size 100x80. this uiview_1 contains another uiview_2 as subview of same size and this uiview_2 contains a UIImageView or a UIlable at runtime (both UIImageView and UIlable are userinteraction enabled) now on the touch/click of UIImageView, i want to show a new view using presentModalViewController, the problem is the view is shown and using back button on the navigation bar i come to the previous/main screen. here the problem come in picture, now i am unable to touch the button or the UIImageView. both are not responding, but app is not crashed and nor frozen. what is wrong in that? Plz help in this... ----- EDIT: Approach First: SWVController *swvController = [[SWVController alloc] init]; UINavigationController *viewNavController = [[UINavigationController alloc] initWithRootViewController:swvController]; UIViewController *pushController = [[UIViewController alloc] init]; UIWindow *win = [[UIApplication sharedApplication] keyWindow]; [win addSubview:pushController.view]; [pushController presentModalViewController:viewNavController animated:YES]; In the swvController i have back button that calls the dismissModelViewController on click result is the Main screen ctrls are not responding to touch – sandy 3 hours ago Second approach: SWVController *swvController = [[SWVController alloc] init]; UINavigationController *viewNavController = [[UINavigationController alloc] initWithRootViewController:swvController]; UIViewController *pushController = [[UIViewController alloc] init]; [self addSubview:pushController.view]; [pushController presentModalViewController:viewNavController animated:YES]; In the swvController i have back button that calls the dismissModelViewController on click result is the swvController's back button on navbar is not responding – sandy 3 hours ago 3rd approach: SWVController *swvController = [[SWVController alloc] init]; UINavigationController *viewNavController = [[UINavigationController alloc] initWithRootViewController:swvController]; SampleAppAppDelegate *appdel = [[UIApplication sharedApplication] delegate]; [appdel.viewController presentModalViewController:viewNavController animated:YES]; result is working fine, but the problem is i dont want to use SampleAppAppDelegate,i want to give my small Uiview (100x80) as a ctrl to other person , where my ctrl will not able to get the AppDelegate of thet app at run time. – sandy 3 hours ago

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  • Can I include a NSUserDefault password test in AppDelegate to load a loginView?

    - by Michael Robinson
    I have a name and password in NSUserDefaults for login. I want to place a test in my AppDelegate.m class to test for presence and load a login/signup loginView.xib modally if there is no password or name stored in the app. Here is the pulling of the defaults: -(void)refreshFields { NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults]; usernameLabel.text = [defaults objectForKey:kUsernameKey]; passwordLabel.text = [defaults objectForKey:kPasswordKey]; Here is the tabcontroller loading part: - (void)applicationDidFinishLaunching:(UIApplication *)application { firstTab = [[FirstTab alloc] initWithStyle:UITableViewStylePlain]; UINavigationController *firstNavigationController = [[UINavigationController alloc] initWithRootViewController:firstTab]; [firstTab release]; secondTab = // EDITED FOR SPACE thirdTab = // EDITED FOR SPACE tabBarController = [[UITabBarController alloc] init]; tabBarController.viewControllers = [NSArray arrayWithObjects:firstNavigationController, secondNavigationController, thirdNavigationController, nil]; [window addSubview:tabBarController.view]; [firstNavigationController release]; [secondNavigationController release]; [thirdNavigationController release]; [self logout]; [window makeKeyAndVisible]; Here is where the loginView.xib loads automatically: - (void)logout { loginViewController = [[LoginViewController alloc] initWithNibName:@"LoginView" bundle:nil]; UINavigationController *loginNavigationController = [[UINavigationController alloc] initWithRootViewController:loginViewController]; [loginViewController release]; [tabBarController presentModalViewController:loginNavigationController animated:YES]; [loginNavigationController release]; } I want to replace the above autoload with a test similar to below (that works) using IF-ELSE - (void)logout { if ([usernameLabel.text length] == 0 || [passwordLabel.text length] == 0) { loginViewController = [[LoginViewController alloc] initWithNibName:@"LoginView" bundle:nil]; UINavigationController *loginNavigationController = [[UINavigationController alloc] initWithRootViewController:loginViewController]; [loginViewController release]; [tabBarController presentModalViewController:loginNavigationController animated:YES]; [loginNavigationController release]; }else { [window addSubview:tabBarController.view];} Thanks in advance, I'm totally lost on this.

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  • Nested modal view controller gives strange message under iOS6?

    - by user1840362
    I am presenting a modal view controller from another modal view controller, and this worked fine under all iOS versions prior to iOS6. But under iOS6 I am getting the following warning message in the emulator: Warning: Attempt to present <UINavigationController: 0x14e93680> on <UINavigationController: 0x9fc6b70> while a presentation is in progress! The modal view controller is not shown if this warning appears. Basically I am using code like this to show the modal view controller: WebAuthViewController *authController = [[WebAuthViewController alloc] initWithNibName:nil bundle:nil]; authController.challenge = challenge; authController.delegate = self; UINavigationController *aNavController = [[UINavigationController alloc] initWithRootViewController:authController]; [self presentModalViewController:aNavController animated:YES]; [aNavController release]; [authController release]; The view that is already shown is a UIWebView also shown in a modal view, like this: WebViewController *addController = [[WebViewController alloc] initWithNibName:nil bundle:nil]; addController.urlToLoad = [NSURL URLWithString:urlString]; addController.delegate = self; UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:addController]; navigationController.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal; [self presentModalViewController:navigationController animated:YES]; [navigationController release]; [addController release]; The apple docs still suggest that one is supposed to be able to stack navigation controllers like this, so I am at a loss to explain why this happens. Any hints?

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  • Can I use a UINavigationController as the detail view of a UISplitViewController?

    - by B Sweigard
    I'm running into a problem with an iPad app where I would like to have UINavigationControllers in both of the views within a UISplitView. I've looked through other similar questions here, but most link to a tutorial online that doesn't completely solve the problem. Here's a 2-minute walkthrough to re-create the problem I'm having: Create a New Project in XCode, starting from the Split View-based Application template. Add the following NSLog statement as the first line within the DetailViewController's willHideViewController method: NSLog(@"toolbar: %@", toolbar); If you run the application now, the log will show that the DetailViewController's toolbar is alive and well. Now... Open MainWindow.xib and expand the SplitViewController. Drag a Navigation Controller from the library on top of the DetailViewController. Expand the new Navigation Controller and change the class of the UIViewController within to a DetailViewController. Ctrl-drag from the SplitViewController to the DetailViewController and assign it as the delegate. Save MainWindow.xib and run the app again. At this point, the detail view has a navigation bar and an empty toolbar. If you view the logs, you should find that the toolbar is null. Why is this? Am I missing some sort of connection in Interface Builder? Is the navigation bar the problem for some reason? Unlike the tutorial at http://www.cimgf.com/2010/05/24/fixing-the-uisplitviewcontroller-template/, I would like to keep both the navigation bar and the toolbar (preferably with the toolbar at the top when in portrait and not visible when in landscape), so that I still have a functional "Back" button when the iPad is in portrait orientation. Does anyone have any suggestions for fixing this problem? An example project with this sort of set-up would be ideal.

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  • Application with two UITabBarControls

    - by kovpas
    Hello, I want to create an app, whith the following structure: UITabBarController ..UINavigationController ....UITabBarController So, in other words, I want to load first UITabbarController as my main ViewController, that appears on application start, in its' first tab there's a UINavigationController with a table, which shows another UITabBarController by pressing on a table cell. I started Tab Based application, set first tab to UINavigationController, and its ViewController to my TableViewController. I also created second UITabBarController in Interface Builder. Created a separate class for this controller. Everything works fine at start - my first UITabBarController is shown perfectly, but when I'm trying to push my second UITabBarController, using my UINavigationController, it looks like nothing is loaded from a .xib file - there are just an empty TabBar and NavigationBar pushed. Seems, that something is wrong with an architecture, but I can't figure out the problem. Thanks in advance and I'm sorry for my poor English. Please let me know if something is not clear, I'll try to rephrase it :).

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  • iphone initializing tab bar controller view programatically

    - by unsorted
    I want to initialize my tab bar controller programatically, but I just get a blank screen with the code I have. I tried to imitate TheElements sample app, and stuff seems comparable going line-by-line, but obviously something's wrong. Any suggestions? Thanks... In main.m: #import <UIKit/UIKit.h> int main(int argc, char *argv[]) { NSAutoreleasePool * pool = [[NSAutoreleasePool alloc] init]; int retVal = UIApplicationMain(argc, argv, nil, @"DubbleWrapAppDelegate"); [pool release]; return retVal; } In DubbleWrapAppDelegate.h: @interface DubbleWrapAppDelegate : NSObject <UIApplicationDelegate, UITabBarControllerDelegate> { UIWindow *window; UITabBarController *tabBarController; } @property (nonatomic, retain) IBOutlet UIWindow *window; @property (nonatomic, retain) IBOutlet UITabBarController *tabBarController; @end In DubbleWrapAppDelegate.m: @implementation DubbleWrapAppDelegate @synthesize window; @synthesize tabBarController; - init { if (self = [super init]){ // initialize to nil window = nil; tabBarController = nil; } return self; } - (void)applicationDidFinishLaunching:(UIApplication *)application { SafeTableViewController *vc1 = [[SafeTableViewController alloc] initWithStyle:UITableViewStylePlain]; [vc1 setSafeItems:[SafeItem knownSafeItems]]; // Set the list of known SafeItems: UINavigationController *nc1; nc1 = [[UINavigationController alloc] initWithRootViewController:vc1]; [vc1 release]; BoxXRayTableViewController *vc2 = [[BoxXRayTableViewController alloc] initWithStyle:UITableViewStylePlain]; UINavigationController *nc2; nc2 = [[UINavigationController alloc] initWithRootViewController:vc2]; [vc2 release]; AboutLibertyViewController *vc3 = [[AboutLibertyViewController alloc] init]; UINavigationController *nc3; nc3 = [[UINavigationController alloc] initWithRootViewController:vc3]; [vc3 release]; NSArray* controllers = [NSArray arrayWithObjects:nc1, nc2, nc3, nil]; tabBarController = [[UITabBarController alloc] init]; tabBarController.viewControllers = controllers; [controllers release]; // Add the tab bar controller's current view as a subview of the window window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease]; [window setBackgroundColor:[UIColor redColor]]; [window addSubview:tabBarController.view]; [window makeKeyAndVisible]; [nc1 release]; [nc2 release]; [nc3 release]; } The plist is set so that there is no NIB file referenced.

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  • iOS TableView crash loading different data

    - by jollyr0ger
    Hi to all! I'm developing a simple iOS app where there is a table view with some categories (CategoryViewController). When clicking one of this category the view will be passed to a RecipesListController with another table view with recipes. This recipes are loaded from different plist based on the category clicked. The first time I click on a category, the recipes list is loaded and shown correctely. If i back to the category list and click any of the category (also the same again) the app crash. And I don't know how. The viewWillAppear is ececuted correctely but after crash. Can you help me? If you need the entire project I can zip it for you. Ok? Here is the code of the CategoryViewController.h #import <Foundation/Foundation.h> #import "RecipeRowViewController.h" @class RecipesListController; @interface CategoryViewController : UITableViewController { NSArray *recipeCategories; RecipesListController *childController; } @property (nonatomic, retain) NSArray *recipeCategories; @end The CategoryViewControoler.m #import "CategoryViewCotroller.h" #import "NavAppDelegate.h" #import "RecipesListController.h" @implementation CategoryViewController @synthesize recipeCategories; - (void)viewDidLoad { // Create the categories NSArray *array = [[NSArray alloc] initWithObjects:@"Antipasti", @"Focacce", @"Primi", @"Secondi", @"Contorni", @"Dolci", nil]; self.recipeCategories = array; [array release]; // Set background image UIImageView *bgImg = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"sfondo_app.png"]]; [self.tableView setBackgroundView:bgImg]; [bgImg release]; [self.tableView reloadData]; [super viewDidLoad]; } - (void)viewDidUnload { self.recipeCategories = nil; // [childController release]; [super viewDidUnload]; } - (void)dealloc { [recipeCategories release]; // [childController release]; [super dealloc]; } #pragma mark - #pragma mark Table data source methods - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [recipeCategories count]; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellId = @"RecipesCategoriesCellId"; // Try to reuse a cell or create a new one UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellId]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellId] autorelease]; } // Get the right value and assign to the cell NSUInteger row = [indexPath row]; NSString *rowString = [recipeCategories objectAtIndex:row]; cell.textLabel.text = rowString; cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; [rowString release]; return cell; } #pragma mark - #pragma mark Table view delegate methods - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { if (childController == nil) { childController = [[RecipesListController alloc] initWithStyle:UITableViewStyleGrouped]; } childController.title = @"Ricette"; childController.category = [indexPath row]; [self.navigationController pushViewController:childController animated:YES]; } @end The RecipesListController.h #import <Foundation/Foundation.h> #import "RecipeRowViewController.h" #define kRecipeArrayLink 0 #define kRecipeArrayDifficulty 1 #define kRecipeArrayFoodType 2 #define kRecipeAntipasti 0 #define kRecipeFocacce 1 #define kRecipePrimi 2 #define kRecipeSecondi 3 #define kRecipeContorni 4 #define kRecipeDolci 5 @class DisclosureDetailController; @interface RecipesListController : UITableViewController { NSInteger category; NSDictionary *recipesArray; NSArray *recipesNames; NSArray *recipesLinks; DisclosureDetailController *childController; } @property (nonatomic) NSInteger category; @property (nonatomic, retain) NSDictionary *recipesArray; @property (nonatomic, retain) NSArray *recipesNames; @property (nonatomic, retain) NSArray *recipesLinks; @end The RecipesListcontroller.m #import "RecipesListController.h" #import "NavAppDelegate.h" #import "DisclosureDetailController.h" @implementation RecipesListController @synthesize category, recipesArray, recipesNames, recipesLinks; - (void)viewDidLoad { // Set background image UIImageView *bgImg = [[UIImageView alloc] initWithImage:[UIImage imageNamed:@"sfondo_app.png"]]; [self.tableView setBackgroundView:bgImg]; [bgImg release]; [self.tableView reloadData]; [super viewDidLoad]; } - (void)viewWillAppear:(BOOL)animated { if (self.recipesArray != nil) { // Release the arrays [self.recipesArray release]; [self.recipesNames release]; } // Load the dictionary NSString *path = nil; // Load a different dictionary, based on the category if (self.category == kRecipeAntipasti) { path = [[NSBundle mainBundle] pathForResource:@"recipes_antipasti" ofType:@"plist"]; } else if (self.category == kRecipeFocacce) { path = [[NSBundle mainBundle] pathForResource:@"recipes_focacce" ofType:@"plist"]; } else if (self.category == kRecipePrimi) { path = [[NSBundle mainBundle] pathForResource:@"recipes_primi" ofType:@"plist"]; } else if (self.category == kRecipeSecondi) { path = [[NSBundle mainBundle] pathForResource:@"recipes_secondi" ofType:@"plist"]; } else if (self.category == kRecipeContorni) { path = [[NSBundle mainBundle] pathForResource:@"recipes_contorni" ofType:@"plist"]; } else if (self.category == kRecipeDolci) { path = [[NSBundle mainBundle] pathForResource:@"recipes_dolci" ofType:@"plist"]; } NSDictionary *dict = [[NSDictionary alloc] initWithContentsOfFile:path]; self.recipesArray = dict; [dict release]; // Save recipes names NSArray *array = [[recipesArray allKeys] sortedArrayUsingSelector: @selector(compare:)]; self.recipesNames = array; [self.tableView reloadData]; [super viewWillAppear:animated]; } - (void)viewDidUnload { self.recipesArray = nil; self.recipesNames = nil; self.recipesLinks = nil; // [childController release]; [super viewDidUnload]; } - (void)dealloc { [recipesArray release]; [recipesNames release]; [recipesLinks release]; // [childController release]; [super dealloc]; } #pragma mark - #pragma mark Table data source methods - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [recipesNames count]; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *RecipesListCellId = @"RecipesListCellId"; // Try to reuse a cell or create a new one UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:RecipesListCellId]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:RecipesListCellId] autorelease]; } // Get the right value and assign to the cell NSUInteger row = [indexPath row]; NSString *rowString = [recipesNames objectAtIndex:row]; cell.textLabel.text = rowString; cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; [rowString release]; return cell; } #pragma mark - #pragma mark Table view delegate methods - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { if (childController == nil) { childController = [[DisclosureDetailController alloc] initWithNibName:@"DisclosureDetail" bundle:nil]; } childController.title = @"Dettagli"; NSUInteger row = [indexPath row]; childController.recipeName = [recipesNames objectAtIndex:row]; NSArray *recipeRawArray = [recipesArray objectForKey:childController.recipeName]; childController.recipeLink = [recipeRawArray objectAtIndex:kRecipeArrayLink]; childController.recipeDifficulty = [recipeRawArray objectAtIndex:kRecipeArrayDifficulty]; [self.navigationController pushViewController:childController animated:YES]; } @end This is the crash log Program received signal: “EXC_BAD_ACCESS”. (gdb) bt #0 0x00f0da63 in objc_msgSend () #1 0x04b27ca0 in ?? () #2 0x00002665 in -[RecipesListController viewWillAppear:] (self=0x4b38a00, _cmd=0x6d81a2, animated=1 '\001') at /Users/claudiocanino/Documents/iOS/CottoMangiato/Classes/RecipesListController.m:67 #3 0x00370c9a in -[UINavigationController _startTransition:fromViewController:toViewController:] () #4 0x0036b606 in -[UINavigationController _startDeferredTransitionIfNeeded] () #5 0x0037283e in -[UINavigationController pushViewController:transition:forceImmediate:] () #6 0x04f49549 in -[UINavigationControllerAccessibility(SafeCategory) pushViewController:transition:forceImmediate:] () #7 0x0036b4a0 in -[UINavigationController pushViewController:animated:] () #8 0x00003919 in -[CategoryViewController tableView:didSelectRowAtIndexPath:] (self=0x4b27ca0, _cmd=0x6d19e3, tableView=0x500c200, indexPath=0x4b2d650) at /Users/claudiocanino/Documents/iOS/CottoMangiato/Classes/CategoryViewCotroller.m:104 #9 0x0032a794 in -[UITableView _selectRowAtIndexPath:animated:scrollPosition:notifyDelegate:] () #10 0x00320d50 in -[UITableView _userSelectRowAtPendingSelectionIndexPath:] () #11 0x000337f6 in __NSFireDelayedPerform () #12 0x00d8cfe3 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ () #13 0x00d8e594 in __CFRunLoopDoTimer () #14 0x00ceacc9 in __CFRunLoopRun () #15 0x00cea240 in CFRunLoopRunSpecific () #16 0x00cea161 in CFRunLoopRunInMode () #17 0x016e0268 in GSEventRunModal () #18 0x016e032d in GSEventRun () #19 0x002c342e in UIApplicationMain () #20 0x00001c08 in main (argc=1, argv=0xbfffef58) at /Users/claudiocanino/Documents/iOS/CottoMangiato/main.m:15 Another bt log: (gdb) bt #0 0x00cd76a1 in __CFBasicHashDeallocate () #1 0x00cc2bcb in _CFRelease () #2 0x00002dd6 in -[RecipesListController setRecipesArray:] (self=0x6834d50, _cmd=0x4293, _value=0x4e3bc70) at /Users/claudiocanino/Documents/iOS/CottoMangiato/Classes/RecipesListController.m:16 #3 0x00002665 in -[RecipesListController viewWillAppear:] (self=0x6834d50, _cmd=0x6d81a2, animated=1 '\001') at /Users/claudiocanino/Documents/iOS/CottoMangiato/Classes/RecipesListController.m:67 #4 0x00370c9a in -[UINavigationController _startTransition:fromViewController:toViewController:] () #5 0x0036b606 in -[UINavigationController _startDeferredTransitionIfNeeded] () #6 0x0037283e in -[UINavigationController pushViewController:transition:forceImmediate:] () #7 0x091ac549 in -[UINavigationControllerAccessibility(SafeCategory) pushViewController:transition:forceImmediate:] () #8 0x0036b4a0 in -[UINavigationController pushViewController:animated:] () #9 0x00003919 in -[CategoryViewController tableView:didSelectRowAtIndexPath:] (self=0x4b12970, _cmd=0x6d19e3, tableView=0x5014400, indexPath=0x4b2bd00) at /Users/claudiocanino/Documents/iOS/CottoMangiato/Classes/CategoryViewCotroller.m:104 #10 0x0032a794 in -[UITableView _selectRowAtIndexPath:animated:scrollPosition:notifyDelegate:] () #11 0x00320d50 in -[UITableView _userSelectRowAtPendingSelectionIndexPath:] () #12 0x000337f6 in __NSFireDelayedPerform () #13 0x00d8cfe3 in __CFRUNLOOP_IS_CALLING_OUT_TO_A_TIMER_CALLBACK_FUNCTION__ () #14 0x00d8e594 in __CFRunLoopDoTimer () #15 0x00ceacc9 in __CFRunLoopRun () #16 0x00cea240 in CFRunLoopRunSpecific () #17 0x00cea161 in CFRunLoopRunInMode () #18 0x016e0268 in GSEventRunModal () #19 0x016e032d in GSEventRun () #20 0x002c342e in UIApplicationMain () #21 0x00001c08 in main (argc=1, argv=0xbfffef58) at /Users/claudiocanino/Documents/iOS/CottoMangiato/main.m:15 Thanks

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  • Using a UITableViewController with a small-sized table?

    - by rpj
    When using a UITableViewController, the initWithStyle: method automatically creates the underlying UITableView with - according to the documentation - "the correct dimensions". My problem is that these "correct dimensions" seem 320x460 (the iPhone's screen size), but I'm pushing this TableView/Controller pair into a UINavigationController which is itself contained in a UIView, which itself is about half the height of the screen. No frame or bounds wrangling I can come up with seems to correctly reset the table's size, and as such it's "too long", meaning there are a collection of rows that are pushed off the bottom of the screen and are not visible nor reachable by scrolling. So my question comes down to: what is the proper way to tell a UITableViewController to resize its component UITableView to a specified rectangle? Thanks! Update I've tried all the techniques suggested here to no avail, but I did find one interesting thing: if I eschew the UINavigationController altogether (which I'm not yet willing to do for production, but as an experiment), and add the table view as a direct subview of the enclosing view I mentioned, the frame size given is respected. The very moment I re-introduce the UINavigationController into the mix, no matter if it is added as a subview before or after the table view, and no matter if alloc/init it before or after the table view is added as a subview, the result is the same as it was before. I'm beginning to suspect UINavigationController isn't much of a team player... Update 2 The suggestion to check frame size after the table view on screen was a good one: turns out that the navigation controller is in fact resizing it some time in between load and display. My solution, hacky at best, has been to cache the frame given on load and to reset it if changed at the beginning of tableView:cellForRowAtIndexPath:. Why there you ask? Because it's the one place I found that worked, that's why! I don't consider this a solution as it's obviously improper, but for the benefit of anyone else reading, it does seem to work.

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  • iPad keyboard will not dismiss if navigation controller presentation style is "form sheet".

    - by Kalle
    UPDATE: This is apparently "works as intended" classed by Apple. See accepted answer below for details. Update: this question is about a behavior discovered in the iPad keyboard, where it refuses to be dismissed if shown in a modal dialog with a navigation controller. Basically, if I present the navigation controller with the following line: navigationController.modalPresentationStyle = UIModalPresentationFormSheet; The keyboard refuses to be dismissed. If I comment out this line, the keyboard goes away fine. ... I've got two textFields, username and password; username has a Next button and password has a Done button. The keyboard won't go away if I present this in a modal navigation controller. WORKS broken *b = [[broken alloc] initWithNibName:@"broken" bundle:nil]; [self.view addSubview:b.view]; DOES NOT WORK broken *b = [[broken alloc] initWithNibName:@"broken" bundle:nil]; UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:b]; navigationController.modalPresentationStyle = UIModalPresentationFormSheet; navigationController.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal; [self presentModalViewController:navigationController animated:YES]; [navigationController release]; [b release]; If I remove the navigation controller part and present 'b' as a modal view controller by itself, it works. Is the navigation controller the problem? WORKS broken *b = [[broken alloc] initWithNibName:@"broken" bundle:nil]; b.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal; [self presentModalViewController:b animated:YES]; [b release]; WORKS broken *b = [[broken alloc] initWithNibName:@"broken" bundle:nil]; UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:b]; [self presentModalViewController:navigationController animated:YES]; [navigationController release]; [b release];

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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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  • iPhone - how to find a parent View

    - by Oscar Peli
    Hi there, I need some help to find a View inside a hierarchy. Here is how I build up the View stack. Inside my first UITableViewController I push an UIViewController that contains an UITabBarController: [[self navigationController] pushViewController:itemVC animated:YES]; Inside the UITabBarController I add an UITableViewController: ISSTableViewController *graphics = (ISSTableViewController *)[tabBarController.viewControllers objectAtIndex:3]; Inside the didSelectRowAtIndexPath I present a Modal View Controller using a UINavigationController: GraficoViewController *graph = [[GraficoViewController alloc] initWithNibName:@"GraficoViewController" bundle:nil]; UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:graph]; [self presentModalViewController:navigationController animated:YES]; [navigationController release]; Now the (BIG) question is: I have to hide the NagivationBar of my first UITableViewController inside my last view. I tried with this: [[[[[self parentViewController] parentViewController] parentViewController] navigationController] setNavigationBarHidden:YES]; but it doesn't work. Can someone tell me how I can find my ancestor View??? Thanks.

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