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  • navigation bar and button

    - by Brionac
    any ideas how i can click on a button and then direct me back to homepage without having the navigation bar to show the previous page? meaning it's like starting from the beginning of the home page..

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  • Can't add or remove object from NSMutableSet

    - by Dan Ray
    Check it: - (IBAction)toggleFavorite { DataManager *data = [DataManager sharedDataManager]; NSMutableSet *favorites = data.favorites; if (thisEvent.isFavorite == YES) { NSLog(@"Toggling off"); thisEvent.isFavorite = NO; [favorites removeObject:thisEvent.guid]; [favoriteIcon setImage:[UIImage imageNamed:@"notFavorite.png"] forState:UIControlStateNormal]; } else { NSLog(@"Toggling on, adding %@", thisEvent.guid); thisEvent.isFavorite = YES; [favorites addObject:thisEvent.guid]; [favoriteIcon setImage:[UIImage imageNamed:@"isFavorite.png"] forState:UIControlStateNormal]; } NSLog(@"favorites array now contains %d members", [favorites count]); } This is fired from a custom UIButton. The UI part works great--toggles the image used for the button, and I can see from other stuff that the thisEvent.isFavorite BOOL is toggling happily. I can also see in the debugger that I'm getting my DataManager singleton. But here's my NSLog: 2010-05-13 08:24:32.946 MyApp[924:207] Toggling on, adding 05db685f65e2 2010-05-13 08:24:32.947 MyApp[924:207] favorites array now contains 0 members 2010-05-13 08:24:33.666 MyApp[924:207] Toggling off 2010-05-13 08:24:33.666 MyApp[924:207] favorites array now contains 0 members 2010-05-13 08:24:34.060 MyApp[924:207] Toggling on, adding 05db685f65e2 2010-05-13 08:24:34.061 MyApp[924:207] favorites array now contains 0 members 2010-05-13 08:24:34.296 MyApp[924:207] Toggling off 2010-05-13 08:24:34.297 MyApp[924:207] favorites array now contains 0 members Worst part is, this USED to work, and I don't know what I did to break it.

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  • Navigation problem with view controllers.

    - by abdulsamad
    Hi All I have some problem with the my view controllers. When i have about 50 or more records in one of my table view which is below in the stack of view controllers and if i tap the back button quickly the navigation bar on the tap changes but the view does't change. For example: if i have the search controller below in the stack and detail controller up in the stack in this case on tapping the back button quickly the navigation bar comes to the search but the view controller remains on detail page. can any one can give me cause or solution of this problem. your help will be highly appreciated.

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  • How to force a textField to become editable?

    - by Tzur Gazit
    I have a custom tableViewCell with a UITextLabel inside it. When the cell is first displayed, the place holder is shown and then disappears when the user types something in. What I want is to go back to the parent view, and then to the sub view again, and that the field will show the text that the user previously typed. If I set the text field, simply with setText, the textField is not editable. Any idea?

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  • Why do my Xcode default font starts to look ugly after some time, until I restart?

    - by mystify
    I plugged in an external monitor. All resolutions match perfectly. MacBookPro LCD is closed. After about 10 minutes my fonts in Xcode start to look very bad. Only in Xcode. When I restart the mac and don't use an external monitor, fonts look all right again. When I attach the monitor again, fonts look nice. Then I close XCode and reopen it: Fonts suck. All other fonts look great. It seems like Xcode isn't antialiasing them properly after something happens. For my observation it happens when I quit and reopen Xcode while an external monitor is in use. Only way to fix it then is to completely reboot. Is there a fix for this problem?

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  • Passing a column name instead of index in sqlite3

    - by user271753
    The problem code: NSString *query = @"SELECT Name FROM Category"; sqlite3_stmt *statement; if (sqlite3_prepare_v2(database, [query UTF8String], -1, &statement, nil) == SQLITE_OK) { while (sqlite3_step(statement) == SQLITE_ROW) { char *row =(char *)sqlite3_column_text(statement,0); char *rowData = (char *)sqlite3_column_text(statement,1); NSString *fieldName = [[NSString alloc] initWithUTF8String:row]; NSString *fieldValue = [[NSString alloc] initWithUTF8String:rowData]; NSLog(@"%@",fieldName); NSLog(@"%@",fieldValue); [fieldName release]; [fieldValue release]; } sqlite3_finalize(statement); } char *row =(char *)sqlite3_column_text(statement,0); In the above code instead of 0 can't I just pass a column name? How can I do that ?

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  • How to reset keyboard for an entry field?

    - by David.Chu.ca
    I am using tag field as a flag for text fields text view fields for auto-jumping to the next field: - (BOOL)findNextEntryFieldAsResponder:(UIControl *)field { BOOL retVal = NO; for (UIView* aView in mEntryFields) { if (aView.tag == (field.tag + 1)) { [aView becomeFirstResponder]; retVal = YES; break; } } return retVal; } It works fine in terms of auto-jumping to the next field when Next key is pressed. However, my case is that the keyboards are different some fields. For example, one fields is numeric & punctuation, and the next one is default (alphabetic keys). For the numeric & punctuation keyboard is OK, but the next field will stay as the same layout. It requires user to press 123 to go back ABC keyboard. I am not sure if there is any way to reset the keyboard for a field as its keyboard defined in xib? Not sure if there is any APIs available? I guess I have to do something is the following delegate? -(void)textFieldDidBegingEditing:(UITextField*) textField { // reset to the keyboard to request specific keyboard view? .... } OK. I found a solution close to my case by slatvik: -(void) textFieldDidBeginEditing:(UITextField*) textField { textField.keyboardType = UIKeybardTypeAlphabet; } However, in the case of the previous text fields is numeric, the keyboard stays numeric when auto-jumped to the next field. Is there any way to set keyboard to alphabet mode?

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  • What's SimpleEditableListAppDelegate?

    - by Shawn
    I'm trying to follow the TableView programming guide, and I'm copying the code directly from the guide, but I get "SimpleEditableListAppDelegate undeclared" when I try to compile. Google returns nothing but the programming guide. What's SimpleEditableListAppDelegate, and how do I use it?

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  • trouble with section headers in UITableView

    - by richard Stephenson
    hi guys , im having a problem with setting my section headers in a uitableview, its probably something really simple i just cant work it out. instead of displaying different headers for different sections it displays the same header for each section help me please :) - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { WorldCupAppDelegate *appDelegate = [UIApplication sharedApplication].delegate; return [appDelegate.matchFixtures count]; } - (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section { WorldCupAppDelegate *appDelegate = [UIApplication sharedApplication].delegate; Fixtures *fixtures = [appDelegate.matchFixtures objectAtIndex:section]; return fixtures.matchDate; }

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  • Very basic table view but getting errors

    - by user342451
    Hi guys, trying to write this code since 2 days now, but i keep getting error, it would be nice if anyone could sort this out, thanks. Basically its the same thing i doing from the tutorial on youtube. awaiting a reply // // BooksTableViewController.m // Mybooks // // #import "BooksTableViewController.h" #import "BooksDetailViewController.h" #import "MYbooksAppDelegate.h" @implementation BooksTableViewController @synthesize BooksArray; @synthesize BooksDetailViewController; /* - (id)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier { if ((self = [super initWithStyle:style reuseIdentifier:reuseIdentifier])) { // Initialization code } return self; } */ - (void)viewDidLoad { [super viewDidLoad]; self.title = NSLocalizedString(@"XYZ",@"GOD is GREAT"); NSMutableArray *array = [[NSArray alloc] initWithObjects:@"H1",@"2",@"3",nil]; self.booksArray = array; [array release]; } /* // Override to allow orientations other than the default portrait orientation. - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return (interfaceOrientation == UIInterfaceOrientationPortrait); } */ - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Releases the view if it doesn't have a superview // Release anything that's not essential, such as cached data } #pragma mark Table view methods - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { return 1; } // Customize the number of rows in the table view. - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { return [self.booksArray count]; } // Customize the appearance of table view cells. - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *identity = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:identity]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithFrame:CGRectZero reuseIdentifier:identity] autorelease]; } // Set up the cell... cell.textLabel.text = [booksArray objectAtIndex:indexPath.row]; return cell; } /* - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { booksDetailsViewControler *NC = [[booksDetailsViewControler alloc] initWithNibName:@"BooksDetailsView" bundle:nil]; [self.navigationController pushViewController:NC animated:YES]; //[booksDetailViewController changeProductText:[booksArray objectAtIndex:indexPath.row]]; } */ NSInteger row = [indexPath row]; if (self.booksDetailViewController == nil) { BooksiDetailViewController *aCellDetails = [[AartiDetailViewController alloc] initWithNibName:@" BooksDetailViewController" bundle:nil]; self.booksDetailViewController = aCellDetails; [aCellDetails release]; } booksDetailViewController.title = [NSString stringWithFormat:@"%@", [booksArray objectAtIndex:row]]; //DailyPoojaAppDelegate *delegate = [[UIApplication sharedApplication] delegate]; //[delegate.AartiNavController pushViewController:aartiDetailsViewControler animated:YES]; [self.navigationController pushViewController:aartiDetailViewController animated:YES]; } /* NSInteger row = [indexPath row]; if (self.booksDetailsViewControler == nil) { AartiDetailsViewControler *aBookDetail = [[BooksDetailsViewControler alloc] initWithNibName:@"booksDetaislView" bundle:nil]; self.booksDetailsViewControler = aBookDetail; [aBookDetail release]; } booksDetailsViewControler.title = [NSString stringWithFormat:@"%@", [booksArray objectAtIndex:row]]; [self.navigationController pushViewController:booksDetailsViewControler animated:YES]; */ - (void)dealloc { [aartiDetailViewController release]; [super dealloc]; } @end

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  • MKMapView maptype not changing!

    - by TheLearner
    I cannot understand why my MKMapView does not want to change to satellite view. This method is called and case 1 is called I have stepped over it but it simply does not change to satellite type it always changes to standard. It only works when it goes back to Map type. Anyone have any ideas? - (IBAction)mapSatelliteSegmentControlTapped:(UISegmentedControl *)sender { switch (sender.selectedSegmentIndex) { case 1: //Satellite self.mapView.mapType = MKMapTypeSatellite; default: //Map self.mapView.mapType = MKMapTypeStandard; } }

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  • I could not understand where the memory is leaking in my code ?

    - by srikanth rongali
    I have the following code. I do not understand the problem in it. Whenever I include this class in my class the code is going to infinite loop. I could not get where I am wrong. please help me. Just point the errors in the code. #import "readFileData.h" #import "DuelScreen.h" @implementation readFileData @synthesize enemyDescription, numberOfEnemies, numberOfValues; @synthesize enemyIndex, numberOfEnemyGunDrawImages, numberOfEnemyGunFireImages, numberOfEnemyDieImages; @synthesize countDownSpeed, enemyGunDrawInterval, enemyGunFire, enemyRefire; @synthesize enemyAccuracyProbability, enemyGunCoordinateX, enemyGunCoordinateY; -(id)init { if( (self = [super init]) ) { NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES); NSString *documentsDirectory = [paths objectAtIndex:0]; NSString *path = [documentsDirectory stringByAppendingPathComponent:@"enemyDetals.txt"]; NSString *contentsOfFile = [[NSString alloc ]initWithContentsOfFile:path]; NSArray *lines = [contentsOfFile componentsSeparatedByString:@"#"]; numberOfEnemies = [lines count]; int nEnemy; nEnemy = 0; NSArray *eachEnemy=[[lines objectAtIndex:nEnemy] componentsSeparatedByString:@"^"]; DuelScreen *enemyNumber1 = [[DuelScreen alloc] init]; NSLog(@"tempCount value in: readFile: %d", enemyNumber1.tempCount); enemyIndex = enemyNumber1.tempCount - 1; countDownSpeed = [[eachEnemy objectAtIndex:0]intValue]; enemyGunDrawInterval = [[eachEnemy objectAtIndex:1]floatValue]; enemyGunFire = [[eachEnemy objectAtIndex:2]floatValue]; enemyAccuracyProbability = [[eachEnemy objectAtIndex:3]floatValue]; enemyRefire = [[eachEnemy objectAtIndex:4]floatValue]; numberOfEnemyGunDrawImages = [[eachEnemy objectAtIndex:5]intValue]; numberOfEnemyGunFireImages = [[eachEnemy objectAtIndex:6]intValue]; numberOfEnemyDieImages = [[eachEnemy objectAtIndex:7]intValue]; enemyGunCoordinateX = [[eachEnemy objectAtIndex:8]floatValue]; enemyGunCoordinateY = [[eachEnemy objectAtIndex:9]floatValue]; enemyDescription = [eachEnemy objectAtIndex:10]; } return self; } @end

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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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  • Implementing activity indicator

    - by Prash.......
    I am implementing an activity indicator in my application. In my application on button click a webservice is called and it takes some time. To show the user that process is going on I implemented an activity indicator: CGRect frame = CGRectMake(140, 300, 40, 37); UIActivityIndicatorView *activityIndicator = [[UIActivityIndicatorView alloc] initWithFrame:frame]; activityIndicator.activityIndicatorViewStyle = UIActivityIndicatorViewStyleGray; [self.view addSubview:activityIndicator]; This Snippet is written in viewDidLoad() method, and I have an action called, -(IBAction)agree:(id)sender { //here webservice is called } I have to start that activity by [activityIndicator startAnimating]; But I am unable to start that activityIndicator, please suggest a proper solution for that.

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  • What is the difference from the push and pull development models?

    - by michelpm
    I was reading Extreme Programming Explained, Second Edition and in the chapter 11 "The Theory of Constraints" the authors talk about the old and obsolete "push" development model and the XP way, the "pull" development model. It looks like a quite important concept, but it takes only a very small paragraph and two images that are mere illustrations of the "waterfall" and iterative process, nothing specific about these models except by the image caption. I searched and it doesn't go any further about it in the rest of the book. I couldn't find any further explanations or discussions about it in the Internet either. If the only difference about those is that one is "waterfall" and the other is iterative, them why push and why pull? Does anyone understand what is really the difference between those two and give some good examples?

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  • (iOS) UI Automation AlertPrompt button/textField accessiblity

    - by lipd
    I'm having a bit of trouble with UI Automation (the built in to iOS tool) when it comes to alertView. First off, I'm not sure where I can set the accessibilityLabel and such for the buttons that are on the alertView. Secondly, although I am not getting an error, I can't get my textField to actually set the value of the textField to something. I'll put up my code for the alertView and the javaScript I am using for UI Automation. UIATarget.onAlert = function onAlert(alert) { // Log alerts and bail, unless it's the one we want var title = alert.name(); UIALogger.logMessage("Alert with title '" + title + "' encountered!"); alert.logElementTree(); if (title == "AlertPrompt") { UIALogger.logMessage(alert.textFields().length + ''); target.delay(1); alert.textFields()["AlertText"].setValue("AutoTest"); target.delay(1); return true; // Override default handler } else return false; } var target = UIATarget.localTarget(); var application = target.frontMostApp(); var mainWindow = application.mainWindow(); mainWindow.logElementTree(); //target.delay(1); //mainWindow.logElementTree(); //target.delay(1); var tableView = mainWindow.tableViews()[0]; var button = tableView.buttons(); //UIALogger.logMessage("Num buttons: " + button.length); //UIALogger.logMessage("num Table views: " + mainWindow.tableViews().length); //UIALogger.logMessage("Number of cells: " + tableView.cells().length); /*for (var currentCellIndex = 0; currentCellIndex < tableView.cells().length; currentCellIndex++) { var currentCell = tableView.cells()[currentCellIndex]; UIALogger.logStart("Testing table option: " + currentCell.name()); tableView.scrollToElementWithName(currentCell.name()); target.delay(1); currentCell.tap();// Go down a level target.delay(1); UIATarget.localTarget().captureScreenWithName(currentCell.name()); //mainWindow.navigationBar().leftButton().tap(); // Go back target.delay(1); UIALogger.logPass("Testing table option " + currentCell.name()); }*/ UIALogger.logStart("Testing add item"); target.delay(1); mainWindow.navigationBar().buttons()["addButton"].tap(); target.delay(1); if(tableView.cells().length == 5) UIALogger.logPass("Successfully added item to table"); else UIALogger.logFail("FAIL: didn't add item to table"); Here's what I'm using for the alertView #import "AlertPrompt.h" @implementation AlertPrompt @synthesize textField; @synthesize enteredText; - (id)initWithTitle:(NSString *)title message:(NSString *)message delegate:(id)delegate cancelButtonTitle:(NSString *)cancelButtonTitle okButtonTitle:(NSString *)okayButtonTitle withOrientation:(UIInterfaceOrientation) orientation { if ((self == [super initWithTitle:title message:message delegate:delegate cancelButtonTitle:cancelButtonTitle otherButtonTitles:okayButtonTitle, nil])) { self.isAccessibilityElement = YES; self.accessibilityLabel = @"AlertPrompt"; UITextField *theTextField; if(orientation == UIInterfaceOrientationPortrait) theTextField = [[UITextField alloc] initWithFrame:CGRectMake(12.0, 45.0, 260.0, 25.0)]; else theTextField = [[UITextField alloc] initWithFrame:CGRectMake(12.0, 30.0, 260.0, 25.0)]; [theTextField setBackgroundColor:[UIColor whiteColor]]; [self addSubview:theTextField]; self.textField = theTextField; self.textField.isAccessibilityElement = YES; self.textField.accessibilityLabel = @"AlertText"; [theTextField release]; CGAffineTransform translate = CGAffineTransformMakeTranslation(0.0, 0.0); [self setTransform:translate]; } return self; } - (void)show { [textField becomeFirstResponder]; [super show]; } - (NSString *)enteredText { return [self.textField text]; } - (void)dealloc { //[textField release]; [super dealloc]; } @end Thanks for any help!

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  • Issue when rotating a UIScrollView

    - by leachianus.gecko
    I am having issues trying to get the pageControl sample code to work with rotation. I managed to get it to rotate but it does not visually load correctly until I start to scroll (then it works fine). Any Idea on how I can fix this problem? Here is a link to the project if you want to see it in action. This code is based off the PageControl example apple has provided. here is the code: #import "ScrollingViewController.h" #import "MyViewController.h" @interface ScrollingViewController (PrivateMethods) - (void)loadScrollViewWithPage:(int)page; @end @implementation ScrollingViewController @synthesize scrollView; @synthesize viewControllers; - (void)viewDidLoad { amount = 5; [super viewDidLoad]; [self setupPage]; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; } - (void)viewDidUnload { [scrollView release]; } - (void)dealloc { [super dealloc]; } - (void)setupPage { NSMutableArray *controllers = [[NSMutableArray alloc] init]; for (unsigned i = 0; i < amount; i++) { [controllers addObject:[NSNull null]]; } self.viewControllers = controllers; [controllers release]; // a page is the width of the scroll view scrollView.pagingEnabled = YES; scrollView.contentSize = CGSizeMake(scrollView.frame.size.width * amount, 200); scrollView.showsHorizontalScrollIndicator = NO; scrollView.showsVerticalScrollIndicator = NO; scrollView.scrollsToTop = NO; scrollView.delegate = self; [self loadScrollViewWithPage:0]; [self loadScrollViewWithPage:1]; } #pragma mark - #pragma mark UIScrollViewDelegate stuff - (void)scrollViewDidScroll:(UIScrollView *)_scrollView { if (pageControlIsChangingPage) { return; } /* * We switch page at 50% across */ CGFloat pageWidth = _scrollView.frame.size.width; int dog = floor((_scrollView.contentOffset.x - pageWidth / 2) / pageWidth) + 1; // pageControl.currentPage = page; [self loadScrollViewWithPage:dog - 1]; [self loadScrollViewWithPage:dog]; [self loadScrollViewWithPage:dog + 1]; } - (void)loadScrollViewWithPage:(int)page { if (page < 0) return; if (page >= amount) return; MyViewController *controller = [viewControllers objectAtIndex:page]; if ((NSNull *)controller == [NSNull null]) { controller = [[MyViewController alloc] initWithPageNumber:page]; [viewControllers replaceObjectAtIndex:page withObject:controller]; [controller release]; } if (nil == controller.view.superview) { CGRect frame = scrollView.frame; frame.origin.x = frame.size.width * page; frame.origin.y = 0; controller.view.frame = frame; [scrollView addSubview:controller.view]; } } - (void)didRotateFromInterfaceOrientation:(UIInterfaceOrientation)fromInterfaceOrientation { [self setupPage]; } - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return YES; } @end

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  • UIScrollview disable transparency

    - by Frank
    It seems that UIScrollview has a transparency set by default. I have a background image set as a subview in self.view. but the image is showing on my scrollview that's also on the subview layer. I want it to cover up the background image so the scrollview transparency is disable.

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  • How to create an formatted localized string?

    - by mystify
    I have an localized string which needs to take a few variables. However, in localization it is important that the order of the variables can change from language to language. So this is not a good idea: NSString *text = NSLocalizedString(@"My birthday is at %@ %@ in %@", nil); In some languages some words come before others, while in others it's reverse. I lack of an good example for the moment. How would I provide NAMED variables in an formatted string? Is there any way to do it without some heavy self-made string replacements? Even some numbered variables like {%@1}, {%@2}, and so on would be sufficient... is there a solution?

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  • Custom inputAccessoryView push my UITableView first row partially off the screen

    - by TonyMocha
    Hi For my scenario, I have a UITableView with a UITextField for the first row. While I try to set custom toolbar for keyboard with UITextField.inputAccessoryView, it pushed my first row of textfield partially off the screen. This is not happening if I avoid adding the toolbar. Refer screen shot below: I tried with NSNotification with keyboardWillShow by reposition to first row of the tableview, but it just look awkward for the table pulling out and in. It might be something to do overriding UITableView/UIScrollView, but I am out of idea how to do this. Would like to know how you guys resolve this. Thanks you!

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  • Complex nib is slow to load

    - by Dan Ray
    I'm looking for advice about a nib that's very slow to load. It's big and complex, with lots of subviews and doodads. When I fire my UINavController to push it, it's noticeably laggy (maybe almost a second) on my 3G. It sits there with the table cell selected and nothing else happening for long enough to make you wonder if it's broken. I wonder about pre-loading it in another thread while the user is on the previous view. I could probably fire the selector in the background with a delay in the previous view's viewDidAppear, and then keep it in a property until push time comes. Thoughts?

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  • problem with iOS 4.2 when user press the list view item to go to UIwebview page and the navigation button disappears on the second visit

    - by seahorse
    My app is a Navigation based application. The main menu contains the list view items. if I clicks one of them, it goes to next view which in this case take me to UIwebview embedded web site. Everything is looking great. I can view the content of web page, the navigation control back button which takes to the main menu if I press it. However, I'm having issue when I try to go back to main menu if i visit that subview the second time. It loads the content of UIwebview web page, but the navigation button is gone and won't let me go back to main menu. This problem only appears on latest iOS 4.2 version. Otherwise it works great on 3.1 to 4.1. I would appreciate any hints or inputs. Note this seems not working for subview using UIWebview embedded web content. I don't have any issue with other subviews

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