Always having to sign into Apple Game Center in simulator in iOS7?
Always having to sign into Apple Game Center in simulator in iOS7?
ios7
iBeacon in the background – Use cases
Sounds like you are on the right track. In general you are correct that an app needs to be in the foreground to fully use iBeacon capabilities. A few specifics on your three main questions: Your mall use case can work with a couple of limitations. (a) you have to conserve your CLBeaconRegions by having … Read more
Generate gcda-files with Xcode5, iOS7 simulator and XCTest
Update 1: After reading a bit more about this, 2 things have now become clear to me (emphasis added): Tests and the tested application are compiled separately. Tests are actually injected into the running application, so the __gcov_flush() must be called inside the application not inside the tests. — Xcode5 Code Coverage (from cmd-line for … Read more
UILabel and NSLinkAttributeName: Link is not clickable
I can answer my own question now: I am using UITextView instead of UILabel now. I have formatted the UITextView to look and behave like my labels and added: UITextView *textView = [[UITextView alloc] init]; textView.scrollEnabled = NO; textView.editable = NO; textView.textContainer.lineFragmentPadding = 0; textView.textContainerInset = UIEdgeInsetsMake(0, 0, 0, 0); textView.delegate = self; Don’t forget … Read more
Unable to sign in Sandbox gamecenter on iOS 7
If you’ve cancelled game center sign in enough times, the OS disables game center for that game. Prior to iOS7, you could manually sign in again using the game center app, and when you launch your game again it would sign in. However, in iOS7, it appears that when the OS disables game center for … Read more
SKNode convertPoint toNode & fromNode confusion?
– (CGPoint)convertPoint:(CGPoint)point fromNode:(SKNode *)node This essentially is saying: convert a point expressed in another node‘s coordinate system into the caller’s(self) coordinate system. The key is that the point has to be expressed in the node’s coordinate system for this to work. If you are using a sprite’s position as the point, you will need to … Read more
How to hide the status bar programmatically in iOS 7?
in iOS7 you should implement in your viewController – (BOOL)prefersStatusBarHidden { return YES; }
Adjust letter spacing in iOS 7
You can adjust letter spacing like this, using NSAttributedString. In Objective-C: NSMutableAttributedString *attributedString = [[NSMutableAttributedString alloc] initWithString:@”The Clash”]; [attributedString addAttribute:NSKernAttributeName value:@(1.4) range:NSMakeRange(0, 9)]; self.label.attributedText = attributedString; In Swift 3: let attributedString = NSMutableAttributedString(string: “The Clash”) attributedString.addAttribute(NSKernAttributeName, value: CGFloat(1.4), range: NSRange(location: 0, length: 9)) label.attributedText = attributedString In Swift 4 and later: label.attributedText = NSAttributedString(string: “The … Read more
ios: Application tried to present a nil modal view controller on target
As per Apple, You should check is MFMailComposeViewController are able to send your mail just before sending if ([MFMailComposeViewController canSendMail]) { MFMailComposeViewController *picker = [[MFMailComposeViewController alloc] init]; picker.mailComposeDelegate = self; [picker setSubject:@”Test mail”]; [picker setMessageBody:messageBody.text isHTML:YES]; [self presentViewController:picker animated:YES completion:NULL]; } Swift: if MFMailComposeViewController.canSendMail() else { // Send mail code } Ref : Apple Dev … Read more
UIToolbar setBackgroundColor doesn’t fully change color
Write below code in your viewDidLoad self.navigationController.toolbar.barTintColor = [UIColor redColor]; It will set red color as your tool bar background. Reference link https://web.archive.org/web/20160321155823/https://developer.apple.com/library/ios/documentation/userexperience/conceptual/TransitionGuide/Bars.html#//apple_ref/doc/uid/TP40013174-CH8-SW5 In it they said that Use barTintColor to tint the bar background.