This tag should be used only on questions that are about Objective-C features or depend on code in the language. The tags "cocoa" and "cocoa-touch" should be used to ask about Apple's frameworks or classes. Use the related "ios" and "osx" for issues specific to those platforms.
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4 views
Deferent behavior of inheritance in Objective C between classes implementation and xibs
I have a ClassA with a xib associated :
@interface ClassA : UIViewController
@end
#import "ClassA.h"
@interface ClassA()
@property (nonatomic, weak) IBOutlet UIButton *myButton;
@end
Know i have ...
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0answers
4 views
Error: catch parameter is not a pointer to an interface type iOS
I'm trying to use Exception handling in my Xcode project.
- (void)viewDidLoad
{
[super viewDidLoad];
authenticate = [[UseDb alloc]init];
@try{
[authenticate createDatabase];
}
...
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0answers
26 views
executeFetchRequest:error: freezes on main thread
AFAIK ManagedObjectContext must be used in the same thread it was created in, otherwise it might get frozen because of lock.
I have the situation when I get lock when trying to make ...
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0answers
7 views
Facebook Connect Accessing a User's FB Session/Access Token ID?
I have configured my app to correctly allow a user to login via FB Connect 3.1 SDK (for iOS 6), and request email permissions:
NSArray *permissons = [[NSArray alloc] initWithObjects:@"email", nil];
...
facebook
0
votes
3answers
25 views
changing the text attributes of nav bar
i want to change the appearance of the nav bar, and so far i was able to change the background image of the nav bars, and also with the color.
- (BOOL)application:(UIApplication *)application ...
0
votes
1answer
32 views
UIScrollView at the bottom of a UIScrollView
I am looking for a way to implement the following:
Have one 'master' scrollView that contains both a full-screen UIView on top and a full-screen UIScrollView below this
When the user scrolls past ...
-1
votes
1answer
29 views
Updating UI from IOS library
Could somebody give me guidance/starting point on how I would update a UI Text Label in an IOS app from a library.
I have temperature data being received from a BT module in a library connected to ...
0
votes
3answers
46 views
ios UITableView reusable cell slow when showing all of them
I have a table view which has 10000+ cells. and there is a segment button (All/Favorite) on the top.
this is the call back for the segment:
- (IBAction)call_segment:(id)sender {
...
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0answers
18 views
How to know when the server has received the request?
I'm using AFHTTPClient to connect to my backend server to upload an image using multipartFormRequestWithMethod. I'm testing the request in an iPhone app with the network conditioner using the Very Bad ...
0
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0answers
7 views
Not seeing OSX desktop notifications with test app closed (Lion)
I am testing Push notifications in an OSX sample app (based on PushyMac).
I have development push notifications working - I can send a push, and with the application open I receive the notifications ...
0
votes
0answers
10 views
Allow only specific translations for different schemes/targets
My issue is, that I have a basic set of Localizable.strings for several languages, but I don't want to allow them in all my build-targets / schemes (some of our clients want only these, others only ...
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0answers
9 views
Frame of header view changed forever after animated section deletion
I'm reusing headers, keeping them in dictionary where section number is key and header view is value.
After I animated deleted one section and reload another one, header views of only these sections ...
0
votes
1answer
23 views
Remove gradient/Gloss from UITabBarItem
I am customizing the UITabBar. I used my custom image in UITabBarItem. The problem is whether there is a gradient/gloss on the item. I checked Apple's app Store didn't had any of this glossy effect on ...
0
votes
3answers
11 views
Switching buffers between header/implementation in emacs in obj-c (obj-c++) mode
How do I make emacs switch between buffers with header/implementation files in obj-c (c++) mode (that is, between foo.[mM]{1,2} and foo.[hH]{1,2})? Is it possible to assign standard Xcode keyboard ...
0
votes
1answer
29 views
performSelector:onThread breaks runloop?
I'm not sure how to use the API performSelector:onThread and I need some suggestions here.
As far as I known, I need a runloop to make the call of performSelector:onThread, so I made one. But then I ...
