ios6

问题 I have seen some example codes, these code are creating QR codes froms Text (below is the code).can we generate QR codes from other data also (like Image)? NSString *code = @"1001012023034"; Barcode *barcode = [[Barcode alloc] init]; self.view.backgroundColor = [UIColor whiteColor]; [barcode setupQRCode:code]; self.imageView.image = barcode.qRBarcode; My question is if we use Image instead of string data then is it possible? 回答1: QR codes are pretty limited in terms of data storage, limited

问题 A Facebook app is setup with iOS native app enabled with bundle id and App Store Id of another app. Following are possible in the current scenario. 1.Sending an app request to a friend, 2.The request badge appears in the friend's Facebook, 3. And clicking on the request launches my app. This was the link i referred to implement this. https://developers.facebook.com/docs/howtos/send-requests-using-ios-sdk/#protip3 I am supposed to get a NSURL from these functions – application:openURL

问题 This question already has answers here : Closed 7 years ago . Possible Duplicate: iOS 6 and Location Services not working Our app's location services have stopped functioning in iOS 6. They work fine in iOS 5. When I call CLLocationManager's startUpdatingLocation method it never prompts the user for access and our app doesn't show up in the Settings Location Services page. Anyone seen this before? I really have no idea where to look. I have tried stripping down our app to just a single view

问题 I'm using the J4n0 Callout code (github) to implement a custom annotation in MapKit. It was working just fine on iOS5. But on iOS6 I have 2 problems: Annotations are displayed over the AnnotationView (see picture 1). The first Click on an Annotation opens the AnnotationView just fine, but the second click opens an annotation with a bad size (see picture 2). Does anyone using this library have some similar problem/solution? I can give some code if needed! 回答1: If annotations are displayed over

问题 I'm facing a bit of a confusion involving weak and strong properties. For the sake of brevity I won't include the entire code. I created a class convenience method which returns a UIView object, and I implemented it in a UIView category as an alternative to subclassing. @implementation UIView (CSMonthView) + (UIView *)monthViewFromDateArray:(NSArray *)arrayOfAllShiftsAndEvents withNibOwner:(id)owner selectedDate:(NSDate *)selectedDate withCompletionHandler:(void(^)(CSCalendarButton

问题 I'm updating my app to ios6 and i having following problem building application with ARMv7 is not possible to use the flag LLVM ... (error MT3001) My system configuration is MonoDevelop 3.0.4.7 MonoTouch 6.0.0.0 Mono 2.10.9 Reference to question: iOS 6 Mono and backward compatibility UPDATE Error is Could not AOT the assembly ICSharpCode.SharpZipLib.dll (MT3001) Verbose output /Users/TEST/Desktop/Xcode_4.5.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/usr/bin/gcc -miphoneos

问题 For my iOS 6+-only app, I would like to enable the On-Disk Encryption offered from iOS. I read this guide and I saw the "Protecting the User's Data" video of the WWDC 2012 (Session 714). However, I could not make it work. Here are the steps I followed: 1- In the iOS Dev Center, I created a new App ID with: 2- In Xcode, I added an Entitlements file with the key: 3- On the device, I activated a passcode lock. If I'm not wrong, this should be all. I now expect that while the device (in my case:

问题 I have an app that runs perfectly on iOS 6. I've set a blinking effect to a UISlider's thumb this way: -(void)startBlinkingSlider{ isSliderBlinking = YES; isSliderTinted = NO; [self performSelector:@selector(toggleSliderColor) withObject:nil afterDelay:0.2]; } -(void)toggleSliderColor{ if(isSliderBlinking){ if(isSliderTinted){ self.effectAmountSlider.thumbTintColor = [UIColor colorWithRed:0 green:0 blue:0 alpha:1]; }else{ self.effectAmountSlider.thumbTintColor = [UIColor colorWithRed:255

问题 I am creating iPhone app and in between I need to use SDWebImage. For this I need to use ARC. Any idea how to add ARC in between in project? Note: In one file I have below content. #if !__has_feature(objc_arc) #error SDWebImage is ARC only. Either turn on ARC for the project or use -fobjc-arc flag #endif Where should I add -fobjc-arc flag? 回答1: Select Project Form Project Manager | | Targets | | Build Phases | | Compile Sources | | Select File that you Want to crate as ARC. (You can also

问题 I've follow the example of AutoPause from " Session 303 - Staying on track from Location Services " WWDC 2012 In the example you can see how AutoPause is enabled and there two methods which are called: -(void) locationManagerDidPauseLocationUpdates:(CLLocationManager *)manager -(void) locationManagerDidResumeLocationUpdates:(CLLocationManager *)manager I've done the same example but these methods aren't never called. Who have tried the same? 回答1: I'm experimenting with that right now and here