This is a change in iOS 5 in order for UISegmentedControl to be consistent with all other controls. The idea is that the action should only fired automatically as a result of user interaction. Prior to iOS 5, UISegmentedControl‘s actions would be fired because of user interaction and programmatic interaction. However, initiating the change programmatically … Read more
Comment out (or remove) the window creation and display code in AppDelegate.m as follows: – (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { // self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]]; // Override point for customization after application launch. // self.window.backgroundColor = [UIColor whiteColor]; // [self.window makeKeyAndVisible]; return YES; } When using a storyboard, a main UIWindow is … Read more
you can simply drag and drop and resort them with the mouse in the storyboard. it still works in 4.5.1 EDIT maybe you have first to switch the storyboard view to “Source Code” and go back before you can drag. right-click the storyboard file and select “Open as” -> “Source Code” and then back again … Read more
Updated answer to resync your devices Months of tinkering around have led me to figuring out what (I believe) the rooted problem is. The issue has been getting devices to once again talk to each other after they fall out of sync. I can’t say for sure what causes this, but my suspicion is that … Read more
I would like to add something, since I’ve opened a TSI and somehow I asked about this and have been answered. From Quinn “The Eskimo!”: “This depends on you mean. You have some control over how the notification appears based on how you set the UILocalNotification properties (things like alertBody, soundName, and so on). However, … Read more
The second @interface directive is in the implementation file (.m) — you can infer from it that it’s meant for declaring stuff that the creator of the class didn’t want to expose to the user of the class. This usually means private and/or internal methods and properties. Also note that there are two types of … Read more
I just ran across a similar issue. Do you have any blocks where you are referring to ‘self’? I had some blocks for notification observation in my init where I was referring to ‘self’. Under ARC self is retained in blocks. My dealloc wasn’t getting called and that was where I was removing the observation. … Read more
If your deployment target is iOS 6.0 or later You can simply implement the shouldPerformSegueWithIdentifier:sender: method on your source view controller. Make this method return YES if you want to perform the segue, or NO if you don’t. If your deployment target is earlier than iOS 6.0 You will need to change the way your … Read more
NSTimer requires an active run loop, when initialized in Main Thread it automatically uses the main run loop. If you need to make a background timer you need attach it to the thread’s run loop and invoke run() to make it active. NSTimer needs one live NSRunLoop to execute it’s events. In main thread, the … Read more
Import Statement : #import<CoreTelephony/CTCarrier.h> #import <CoreTelephony/CTTelephonyNetworkInfo.h> you can get country code for the current Carrier using CoreTelephony framework: CTTelephonyNetworkInfo *network_Info = [CTTelephonyNetworkInfo new]; CTCarrier *carrier = network_Info.subscriberCellularProvider; NSLog(@”country code is: %@”, carrier.mobileCountryCode); //will return the actual country code NSLog(@”ISO country code is: %@”, carrier.isoCountryCode); Apple Docs