I'm using Core data in an iOS project. I have the data model setup for automatic data migration whenever I modify entity properties. But I recently made some changes to some entity relationships and now my app crashes with: "Can't find model for source store" I realize that resetting the app i.e deleting and re-installing will solve thi...
I post some data from my app to my game-server. This data always contains playedId from GKLocalPlayer. How my game-server can check if this playerId is valid (online)? (for example by some get/post request to GameCenter server). ...
Hi, I have noticed a strange behavior when adding and removing UIViewControllers I dont post for now any example,I have some view controllers that load their view from a xib and others that i create the view manually.(Do i have to declare Outlets for every element created in IB?even those that are static graphics?or does deallotion happe...
This is the best tutorial I found so far on migrating data across apps: http://www.mobileorchard.com/lite-to-paid-iphone-application-data-migrations-with-custom-url-handlers/ But it only discusses the case where you have total control over how the data is represented, such as would be the case if you were constructing your own archivab...
Hi, i developing an application in which i found memory leak in following method how i remove leak? - (id)initWithString:(NSString *)str attributes:(NSDictionary *)attributes { if ((self = [super init])) { _buffer = [str mutableCopy]; _attributes = [NSMutableArray arrayWithObjects:[ZAttributeRun attributeRunWith...
Currently I am retrieving a bunch of images from the internet and scaling them and then displaying them on my view. The problem is I am doing it in the viewDidLoad method - so when the user taps they have to actually wait for this processing to happen and then the view is shown which causes a slight delay. Is there anyway I could show ...
Does anyone know where the various screen dimensions are for the iPhone4? I have checked the MobileHIG but alls I could find where references back to the old iPhone3G. Should I just assume that all previous values are doubled (i.e. StatusBar = 40 pixels), or is there a more accurate illustration (like the one below hidden somewhere else?...
Is there a way to remove the default blue hyperlink colour from a telephone number when viewed on an iPhone? Like a specific Mobile Safari tag or CSS to add? Have this rendering issue on some of my websites but can't see why this is occurring. ...
Instead of playing something out the speaker and recording it through the mic, can I just record the system sound and not use the mic at all? How should I proceed for this? What should I use as framework? ...
I have the following code that populates an array (this is within a loop): NSString *code = [NSString stringWithFormat:@"%@ - (%@) %@",[tempDic objectForKey:@"state"],[tempDic objectForKey:@"city"],[tempDic objectForKey:@"name"]]; [tempArrayOfAirports removeObjectIdenticalTo:code]; // checks for a previous object, then removes if found...
app crash on every screen and gives memory warning level 2 it also gives this message- Data Formatters temporarily unavailable, will re-try after a 'continue'. (Unknown error loading shared library "/Developer/usr/lib/libXcodeDebuggerSupport.dylib") please help me what i do? ...
I am having problems with getting a detail view to load using pushViewController. At first, I thought pushViewController was not working. BUT, then I tried using a different view controller and it worked. I can tell from tracing that the problem view controller is never loaded at all. In other words, I tried to eliminate the possibility ...
Is it possible to modify height of only one cell in a grouped table view? I have a table view with 2 sections of 3 and 2 rows... I would change row height of the second row of the second section... How can I do this? Thanks! ...
Hi, I created a custom UITableViewCell in my app and the default indent when the Delete button is present is not happening, below is a screenshot of my settings. Anyone have any idea as to what I'm doing wrong? Also, here's a shot of the IB properties: ...
I was wondering how I could ping a web server of mine when my application first starts. I am assuming I would do s via the appdelegate in the application? Is there any specific example I could use? ...
I would like to display 3-D models of building interiors in my iPhone application, but they are in Wavefront OBJ format. Is there an open source implementation of a Wavefront OBJ loader that I could use within my application? ...
In the "sample code" in iOS Dev Center there is a TableViewSuite. In the first example SimpleTableView the simulator provides a list of time zones by country. I can not find the list they are pulling from! it appears to be an array but I can't find the actual words that are coming up on the simulator screen in Xcode. I've learned about p...
Hi Friends I am new to core animation , i add some layers to my view and add image to it. Now i want to give blur effect to my layer But i don't know how to make CIFilter and add it. I go through the related questions Question 1 Question2 My code is given below (Shows compilation error) #import < UIKit/UIKit.h > #import < Quartz...
Hi, I have different custom map annotations on my MKMapView, and when creating the custom view I add an observer and disable the default popup. At the top of MapViewController.m: static NSString* const ANNOTATION_SELECTED_DESELECTED = @"annotationSelectedOrDeselected"; - (MKAnnotationView *)mapView:(MKMapView *)mapView viewForAnnotat...
I have two cocoa-touch apps in one Xcode project. Xcode gives me iPhone/iPad related options for keys in the first's Info.plist, such as "Launch Image (iPad)". But, Xcode gives me Mac OS X options for keys for the second, such as "Java classpaths" and "Quick Look preview height." Here's how the project was built: I created the new pr...