ios7

问题 I've an issue with a search bar in a navigation bar using the property displaysSearchBarInNavigationBar = YES . I have an empty space between the navigation bar and the search content which is equals to the height of the navigation item + status bar. It's just as if during building the view, the framework doesn't know that my search bar is the navigation bar... This empty space appears before tipping anything, and when displaying the result tables. I haven't found anything related to this

问题 UIAlertView is working fine in ios 6 with below code .But when it comes to ios 7 the subviews ( "yes" and "no" buttons in my code ) is not showing when alertview is called only text message is showing .Can anyone tell me how to resolve this problem ? viewController.m file [Utilities prCustomAlert:@"Textmessage" inTitle:@"Alert view title" delegate:self inTag:300]; CustomAlertView *alertView = [Utilities sharedUtility].customAlertView; alertView.numberOfBtns = 2; UIButton *btn= (UIButton *)

问题 According to this document the properties and methods relating to video-frame maximum and minimum duration: supportsVideoMaxFrameDuration supportsVideoMinFrameDuration videoMaxFrameDuration videoMinFrameDuration have all been deprecated. Are there alternatives? 回答1: According to the header file (AVCaptureSession.h), This property is deprecated on iOS, where min and max frame rate adjustments are applied exclusively at the AVCaptureDevice using the activeVideoMinFrameDuration and

问题 I have a custom UIView. Within that UIView I have a UILabel with a yellow background containing @"8" called labelWhite . I programmatically create 4 constraints for that UILabel: top, left, width, and height. When I tap the UIView, I change the constant value of the height and animate the layout over 5 seconds. However, the height of the view immediately jumps to the new value, but the y position also changes and jumps to a new value immediately. Then over the 5 second animation, the y

问题 iOS7 brings NSURLSession , with the help of NSURLSessionConfigure , we can customize URLCache, so i tried it, but with no luck, it seems my URLCache is not used at all. - (void)testURLCache { NSURLSessionConfiguration *config = [NSURLSessionConfiguration defaultSessionConfiguration]; config.requestCachePolicy = NSURLRequestUseProtocolCachePolicy; NSURLCache *cache = [[NSURLCache alloc] initWithMemoryCapacity:1024 * 100 diskCapacity:1024 * 100 diskPath:@"test.urlcache"]; NSLog(@"usage:%lu",

问题 In iOS 6, SKStoreProductViewController was introduced to show iTunes Store items in apps, so the user would not have to leave the app to view them. So far, I have not found a way to customize the navigation bar of this view controller. In iOS 6, it is black with grey writing, and in iOS 7, it is white with black writing. Is there any way to change the navigation bar's tint color? (In iOS 6 & iOS 7) Thanks. 回答1: Not the nicest solution but you can use UINavigationBar's UIAppearance method to

问题 I am trying to show a modalView on an iPad by reducing its width and height, but the problem is that it is not center-aligned. In iOS 6 it used to work fine, but in iOS 7 it is not center aligned. Below is my code: m_helpQA = [[HelpQAViewController alloc]init]; m_helpQA.modalPresentationStyle = UIModalPresentationFormSheet; [self presentViewController:m_helpQA animated:YES completion:NULL]; m_helpQA.view.superview.bounds = CGRectMake(0, 0, 350, 250);//Dimensions of ModalView. presently I am

问题 I want to create dynamic text changing icon like the calendar app in iOS 7 is there any way to do so? 回答1: You can not do this, there is no API allowing this. Your apps icon is in your application bundle which is readonly and therefor can not be modified. 回答2: Sorry brother ... !! There is no API for your requirement. Apple does this only for their apps. Your app icon must be bundled with your application bundle. 来源： https://stackoverflow.com/questions/23866911/how-to-create-dynamic-icon-like

问题 I have a problem with iAd I have followed many tutorials that are of excellent quality, and a few days ago I was able to correctly insert iAd in a test application. Now the method does not work even if I try to create a new application with only the iAd as a test! I can not understand the problem appears to me the following text: I use xCode 5 and iOS 7 SDK iAD prova[3158:a0b] [AppDeveloper] ADBannerView: Unhandled error (no delegate or delegate does not implement didFailToReceiveAdWithError:

问题 I'm confused due to lack of examples, so I did this in my appDelegate's didFinishLaunching: [[AFNetworkReachabilityManager sharedManager] startMonitoring]; bool isThere = [[AFNetworkReachabilityManager sharedManager] isReachable]; And that always returns false, in spite of the network being there and working. Two questions: 1) if I'm not looking for changes in status, do I need startMonitoring? 2) is there anything you need to do before reading isReachable? Do you need to wait? 回答1: I know it