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  • Should I merge .pbxproj files with git using merge=union?

    - by Ortwin Gentz
    I'm wondering whether the merge=union option in .gitattributes makes sense for .pbxproj files. The manpage states for this option: Run 3-way file level merge for text files, but take lines from both versions, instead of leaving conflict markers. This tends to leave the added lines in the resulting file in random order and the user should verify the result. Normally, this should be fine for the 90% case of adding files to the project. Does anybody have experience with this?

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  • How to backup data stored with Core Data - iPhone app?

    - by Alex
    I'm using sqlite for the persistent store, so could I just upload the .sqlite file to, for example, Amazon S3 as a way of providing users with the ability to backup their app data? Then for restoring just download it back and replace the existing .sqlite file in the app's folder. Does anybody see any issues with that? Has anyone done it? Any other suggestions on how to implement data backup feature?

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  • iPhone simulator app crashes when appending a string

    - by Franklyn Weber
    Hi, I'm a complete novice, so I'm probably missing something really easy, but I can't get my string appending to work. I add the 3rd character to typedDigit & it crashes - the method is called fine and typedDigit will get to 2 characters long. I think everything is declared properly in the header file. Code is - -(IBAction)digitPressed:(UIButton *)sender { NSString *digit = [[sender titleLabel] text]; // in this case, "0" - "9" if (userIsInMiddleOfTyping) { // typedDigit is already at least 1 character long typedDigit = [typedDigit stringByAppendingString:digit]; } else { // first character of typedDigit typedDigit = digit; userIsInMiddleOfTyping = YES; } } Many thanks for any help!

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  • Custom URL for the Birdhouse app

    - by bryanjclark
    I'd like to figure out the custom URL scheme for the Birdhouse iPhone app, but there doesn't seem to be any documentation. Birdhouse is an app to store drafts for Twitter. I'd like to send it a string of text, and I know that it's possible: Birdhouse responds to the URL birdhouse:/// The Twitter app sends drafts to Birdhouse if it's installed on your phone. I've figured out the birdhouse:/// part, but how do I send the text?

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  • How to access objects of app Delegate into RootViewController

    - by Ashutosh
    I have a navigation based app in which i am calling a web service. I have done all the work which is required in the background to absorb the web services. The only thing left is to display it in a Table view. The data i want to display is stored in a Mutable array and i can see the data in console and this is in app delegate. I just want to pass this data somehow to root so that i can display it in table view. Could somebody help me with this.

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  • Accessing Amazon E-Commerce Services through Cocoa Touch

    - by Gregory Hill
    Has anyone successfully accessed AWS (Amazon E-Commerce Services) through Cocoa Touch? I've been digging around, and haven't seen the issue addressed directly. I've created an AWS account, and have seen some sample code for accessing web services through Cocoa, but I'm not quite sure how to tie it all together. If anyone has any sample code, I'd love to see it. I'm just trying to get my head around the concepts.

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  • iPhone/Obj-C - Archiving object causes lag

    - by Dylan
    Hi I have a table view, and when I delete a cell I am removing an item from an NSMutableArray, archiving that array, and removing the cell. However, when I do this, it is causing the delete button to lag after I click it. Is there any way to fix this? // Override to support editing the table view. - (void)tableView:(UITableView *)tableView commitEditingStyle:(UITableViewCellEditingStyle)editingStyle forRowAtIndexPath:(NSIndexPath *)indexPath { if (editingStyle == UITableViewCellEditingStyleDelete) { int row = [indexPath row]; [savedGames removeObjectAtIndex:row]; [tableView deleteRowsAtIndexPaths:[NSArray arrayWithObject:indexPath] withRowAnimation:UITableViewRowAnimationFade]; //this line causing lag [NSKeyedArchiver archiveRootObject:savedGames toFile:[self dataFilePath]]; } } Thanks

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  • CoreData and many NSArrayController

    - by unixo
    In my CoreData Application, I've an outline view on left of main window, acting as source list (like iTunes); on the right I display a proper view, based on outline selection. Each view has its components, such as table view, connected to array controller, owned by the specific view. Very often different views display same data, for example, a table view of the same entity. From a performance point of view, is better to have a single array controller per entity and share it between all views or does CoreData cache avoid memory waste?

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  • Change the contents of a UITableView via a swipe?

    - by Mark
    Im currently using a UITableView like any other, and I am researching into the ability to perform a swipe gesture on the screen, which will then shift the contents of the visible table over to display new content for example: swiping right-to-left on the screen would change (via animation) the contents within each of the cells on screen to show new data. What I can do is detect a swipe on the cells, or perhaps on the UITableViewController, but what I dont know how to do two fold: 1) Change data in all cells (could you have a set of hidden views within a custom table cell that animate in and out of each cell per swipe?) 2) How can you do this to all cells? Thanks a lot Mark

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  • Can I use drawRect to refresh a UIView subclass?

    - by Timbo
    I've created a subclass of UIView called Status which is designed to display a rectangle of a certain size (within a view) depending on the value of a variable. // Interface #import <Foundation/Foundation.h> #import <QuartzCore/QuartzCore.h> @interface Status: UIView { NSString* name; int someVariable; } @property int someVariable; @property (assign) NSString *name; - (void) createStatus: (NSString*)withName; - (void) drawRect:(CGRect)rect; @end // Implementation #import "Status.h" @implementation Status @synthesize name, someVariable; - (void) createStatus: (NSString*)withName { name = withName; someVariable = 10000; } - (void) drawRect:(CGRect)rect { CGContextRef context = UIGraphicsGetCurrentContext(); //Draw Status CGContextSetRGBFillColor(context, 0.0, 0.0, 1.0, 1); // fill CGContextFillRect(context, CGRectMake(0.0, 0.0, someVariable, 40.0)); } //// myviewcontroller implementation - (void) viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; myStatus = [[Status alloc] initWithFrame:CGRectMake(8,8,200,56)]; myStatus.backgroundColor = [UIColor grayColor]; [self.view addSubview:myStatus]; } How do I set this up so I can repeatedly call a refresh of the status bar? I'll probably call the refresh 4 times per second using a NSTimer, I'm just not sure what to call or if I should move this rectangle drawing to a separate function or something... Thanks in advance for your help :)

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  • iPhone app not running on iPhone

    - by Jon
    I have my iPhone setup on my computer at home, with my developer account and provisioning profile. I'm trying to get it setup on my work computer so I can run work apps on it as well. My work has their own dev account. I created an app ID and privisioning profile on my personal account and downloaded it on my work computer but its not letting me compile and run on my iPhone. It says valid provisiong profile not found on executable.

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  • iOS iPad Master Detail template can't interact with detail view

    - by CraigularB
    I have an iPad app generated from the Master-Detail template in XCode. The iPad Storyboard has under the Detail View Controller a View that holds a ScrollView which holds an ImageView. In the DetailViewController.m file I added the following code to allow the ScrollView to move and zoom the image: -(UIView *)viewForZoomingInScrollView:(UIScrollView *)scrollView { return self.comicImage; } This works great on the iPhone (it's a universal app) but not the iPad; I can scroll and zoom the image on the iPhone no problem, but on the iPad it's like the ScrollView isn't responding to the touches, and I can't figure out how to pass the touches on to the ScrollView. I've already deactivated the popover controller from appearing with a right swipe like this: self.splitViewController.presentsWithGesture = NO; How do I make it so the user can interact with the ScrollView in the DetailViewController?

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  • Clicking the mouse down to drag objects on Mac

    - by Uri
    I've been using the following code to issue clicks programmatically on a Mac void PostMouseEvent(CGMouseButton button, CGEventType type, const CGPoint point) { CGEventRef theEvent = CGEventCreateMouseEvent(NULL, type, point, button); CGEventSetType(theEvent, type); CGEventPost(kCGHIDEventTap, theEvent); CFRelease(theEvent); } void Click(const CGPoint point) { PostMouseEvent(kCGMouseButtonLeft, kCGEventMouseMoved, point); NSLog(@"Click!"); PostMouseEvent(kCGMouseButtonLeft, kCGEventLeftMouseDown, point); PostMouseEvent(kCGMouseButtonLeft, kCGEventLeftMouseUp, point); } Now, I'm trying to click down to be able to drag objects, like a scroll bar or an application's window. I'm using the following: PostMouseEvent(kCGMouseButtonLeft, kCGEventMouseMoved, point); NSLog(@"Click Down!"); PostMouseEvent(kCGMouseButtonLeft, kCGEventLeftMouseDown, point); When i ran the code above something interesting will happen, when the left mouse down is issue nothing seem to happen, I move my mouse and the window doesn't move, however when I added a mouse up event then the window jumped to the location where I supposedly dragged it. this is sort of OK, however, how do I can make the mouse click down and drag an object? Note: I do have a whole method to see when the mouse stopped moving so I can click up. please post code. Thanks

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  • iPhone Core Data - Access deep attributes with to many relationships

    - by ncohen
    Hi everyone, Let say I have an entity user which has a one to many relationship with the entity menu which has a one to many relationship with the entity meal which has a many to one relationship with the entity recipe which has a one to many relationship with the entity element. What I would like to do is to select the elements which belong to a particular user (username = myUsername) and particular menu*s* (minDate < menu.date < maxDate). Does anyone have an idea how to get them? Thanks

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  • Trouble in type casting or any ideas ???

    - by ahmet732
    I write code below but it gives warning.. I identified dbdesc as a NSString but nothing changes.. How will I handle with this type of warnings? **[self.searchDetailViewController setText:appDelegate.dbdesc];** warning:'searchDetailViewController' may not respond to 'setText:' (Messages without a message method signatures will be assumed to return (id) and accept '...'as arguments )

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  • Cell Dequeue problem when table inside another table's cell content view

    - by Shailesh Kanzariya
    I am using two table views (Main Table and Sub Table), one table inside other's cell. I am adding Sub Table in Main Table's cell content view. I am also using different Cell Identifier for both table cells. Now, issue is : When - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath is called, very first time cell of Main Table is generated and when I scroll up/down they all are just dequeued, so it is expected and standard behavior and working fine. But, cell of Sub Table is getting created/allocated every time. It is not dequeued as it should be. I guess, its happening because Sub Table is part of Main Table's Cell Content view. But not sure and don't know how to resolve it. Can somebody help me to find the solution?

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  • Adding an Image to the calendar View in Iphone

    - by sadumerry
    I need to add an image at the top of the default calendar view of the iPhone. If any body knows how to implement this please respond.I am using the Tapku library inorder to show the calendar. Kal library also can be used if this can implement there. Below attached the calendar view and i need to put an image at the top of this calendar just below the title bar.The calendar need to see just below the image.

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  • Calling popToRootViewControllerAnimated causing crash. How should I be doing this?

    - by Lewis42
    The app is for taking body measurements. The user can say I want to measure: legs, arms and neck, in the settings tab and in the main tab there is a view which loops round to take each measurement. This is achieved like so: i have tab controller the first tab has a navigation controller the first view controller on the storyboard and has one segue to itself the board loops round until it has all the measurements then it segues to a different controller the problem is: if the user changes which measurements they are taking in the settings tab, the first tab needs to completely reload, as if the app was just starting up, clearing down the whole nav stack etc. at the moment the tab controller calls popToRootViewControllerAnimated on the navigation controller in the measurements tab, but this is causing a crash. Each screen has a slider control and a call to titleForRow:forComponent: is being called on a deleted view causing it to crash. What am I doing wrong?! Here's the tab bar controller code // TabBarController.m // #import "TabBarController.h" #import "TodaysMeasurementObject.h" #import "AppDelegateProtocol.h" #import "AddMeasurementViewController.h" #import "ReadPerson.h" #import "AppDelegate.h" @interface TabBarController () <UITabBarControllerDelegate> @end @implementation TabBarController bool resetWizardView = false; - (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil { self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil]; if (self) { } return self; } - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view. self.delegate = self; [[UIDevice currentDevice] beginGeneratingDeviceOrientationNotifications]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(orientationChanged:) name:UIDeviceOrientationDidChangeNotification object:nil]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(measurementsSettingsUpdated:) name:@"MeasurementsSettingsUpdated" object:nil]; } - (void) measurementsSettingsUpdated:(NSNotification *) notification { // UINavigationController *navigationController = [self.viewControllers objectAtIndex:0]; // AddMeasurementViewController *addMeasurement = [[AddMeasurementViewController alloc] init]; // [navigationController setViewControllers: [[NSArray alloc] initWithObjects:addMeasurement, nil]]; resetWizardView = YES; } - (void) viewDidAppear:(BOOL)animated { if (![ReadPerson userHasRecords]) { [self setSelectedIndex:3]; } } - (void)orientationChanged:(NSNotification *)notification { // We must add a delay here, otherwise we'll swap in the new view // too quickly and we'll get an animation glitch [self performSelector:@selector(showGraphs) withObject:nil afterDelay:0]; } - (void)showGraphs { UIDeviceOrientation deviceOrientation = [UIDevice currentDevice].orientation; if (deviceOrientation == UIDeviceOrientationLandscapeLeft && !isShowingLandscapeView) { [self performSegueWithIdentifier: @"toGraph" sender: self]; isShowingLandscapeView = YES; } else if (deviceOrientation != UIDeviceOrientationLandscapeLeft && isShowingLandscapeView) { [self dismissModalViewControllerAnimated:YES]; isShowingLandscapeView = NO; } } - (void)viewDidUnload { [super viewDidUnload]; // Release any retained subviews of the main view. } - (void)dealloc { [[NSNotificationCenter defaultCenter] removeObserver:self]; [[UIDevice currentDevice] endGeneratingDeviceOrientationNotifications]; } - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { if(interfaceOrientation == UIInterfaceOrientationLandscapeRight) { [self performSegueWithIdentifier: @"toGraph" sender: self]; } return false; } - (void)tabBarController:(UITabBarController *)tabBarController didSelectViewController:(UIViewController *)viewController { int tbi = tabBarController.selectedIndex; if (tbi == 0) { [[viewController view] setNeedsDisplay]; if (resetWizardView) { [(UINavigationController*)[self.viewControllers objectAtIndex:0] popToRootViewControllerAnimated: NO]; // ******* POP CALLED HERE ****** resetWizardView = false; } } } - (TodaysMeasurementObject*) theAppDataObject { id<AppDelegateProtocol> theDelegate = (id<AppDelegateProtocol>) [UIApplication sharedApplication].delegate; TodaysMeasurementObject* theDataObject; theDataObject = (TodaysMeasurementObject*) theDelegate.theAppDataObject; return theDataObject; } - (BOOL)shouldAutorotate { return NO; } - (NSUInteger)supportedInterfaceOrientations { return UIInterfaceOrientationMaskPortrait; } @end UPDATED - (void) measurementsSettingsUpdated:(NSNotification *) notification { NSMutableArray *viewControllers = [[NSMutableArray alloc] initWithArray: self.viewControllers]; UINavigationController *navigationController = [viewControllers objectAtIndex:0]; AddMeasurementViewController *addMeasurement = [[AddMeasurementViewController alloc] init]; [navigationController setViewControllers: [[NSArray alloc] initWithObjects:addMeasurement, nil]]; [viewControllers setObject:navigationController atIndexedSubscript:0]; self.viewControllers = viewControllers; } and removed the code from - tabBarController:didSelectViewController: but still the same error. I think the problem is that it's trying to get a value for the slide control after the view has been deleted. But some part of the view must still be alive...? Anyway to kill that off? Or leave it all alive??

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  • Should we point to an NSManagedObject entity with weak instead of strong pointer?

    - by Jim Thio
    I think because NSManagedObject is managed by the managedObject context the pointer should be weak. Yet it often goes back to 0 in my cases. for (CategoryNearby * CN in sorted) { //[arrayOfItems addObject:[NSString stringWithFormat:@"%@ - %d",CN.name,[CN.order intValue]]]; NearbyShortcutTVC * tvc=[[NearbyShortcutTVC alloc]init]; tvc.categoryNearby =CN; // tvc.titleString=[NSString stringWithFormat:@"%@",CN.name]; // tvc.displayed=CN.displayed; [arrayOfItemsLocal addObject:tvc]; //CN PO(tvc); PO(tvc.categoryNearby); while (false); } self.arrayOfItems = arrayOfItemsLocal; PO(self.categoriesNearbyInArrayOfItems); [self.tableViewa reloadData]; ... Yet somewhere down the line: tvc.categoryNearby becomes nil. I do not know how or when or where it become nil. How do I debug this? Or should the reference be strong instead? This is the interface of NearbyShortcutTVC by the way @interface NearbyShortcutTVC : BGBaseTableViewCell{ } @property (weak, nonatomic) CategoryNearby * categoryNearby; @end To make sure that we're talking about the same object I print all the memory addresses of the NSArray They're both the exact same object. But somehow the categoryNearby property of the object is magically set to null somewhere. self.categoriesNearbyInArrayOfItems: ( 0x883bfe0, 0x8b6d420, 0x8b6f9f0, 0x8b71de0, 0xb073f90, 0xb061a10, 0xb06a880, 0x8b74940, 0x8b77110, 0x8b794e0, 0x8b7bf40, 0x8b7cef0, 0x8b7f4b0, 0x8b81a30, 0x88622d0, 0x8864e60, 0xb05c9a0 ) self.categoriesNearbyInArrayOfItems: ( 0x883bfe0, 0x8b6d420, 0x8b6f9f0, 0x8b71de0, 0xb073f90, 0xb061a10, 0xb06a880, 0x8b74940, 0x8b77110, 0x8b794e0, 0x8b7bf40, 0x8b7cef0, 0x8b7f4b0, 0x8b81a30, 0x88622d0, 0x8864e60, 0xb05c9a0 )

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  • Can I refer to NSDictionary items numerically?

    - by cannyboy
    I'm trying to set up a UITableView which acts as a form. Each cell has within it a UILabel and a UITextField, so one cell is: Name <enter name> ^ ^ UILabel UITextField Now, I'm trying to populate the UILabel and the UITextField from a NSDictionary (from a plist), where it's organized like so: Root Type Value Name String Address String City String etc But in order to get the right labels and textfields in the cellForRowAtIndexPath method, I would have to refer to the Dictionary numerically. Is there any way to do that?

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  • UIActionSheet Cancel button keeps crashing my app

    - by user337174
    I am really puzzeled by this one. I have set up two UIActionSheets in my application. They work perfectly fine until you use the cancel button in the UIActionSheets. When i navigate away from the page the UIAactionSheet returns too it crashes my app. Does anyone have any ideas as too why? -(IBAction) phoneButtonClicked:(id)sender { // open a dialog with just an OK button phoneActionSheet = [[UIActionSheet alloc] initWithTitle:nil delegate:self cancelButtonTitle:@"Cancel" destructiveButtonTitle:nil otherButtonTitles:[NSString stringWithFormat:@"Phone: %@",phone],nil]; phoneActionSheet.actionSheetStyle = UIActionSheetStyleDefault; [phoneActionSheet showInView:self.view]; // show from our table view (pops up in the middle of the table) [phoneActionSheet release]; } -(void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex { if (actionSheet == phoneActionSheet) { if(buttonIndex == 0){ NSString *callPhone = [NSString stringWithFormat:@"tel:%@",phone]; NSLog(@"Calling: %@", callPhone); [[UIApplication sharedApplication] openURL:[NSURL URLWithString:callPhone]]; } } }

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  • How to disable the delete button for the particular row when we are using the table view delegate me

    - by monish
    Hi guys, Here I need a help from ur side that Im using the tableview delegate method commitEditing sytle to get the delete button for every cell when we swipe.But my problem here is I dont want the delete button for the first row in the tableview and swipe should not work and I dnt have any idea how to implemet this. Anyone's help will be much appreciated. Thank You, Monish.

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