You have an object that got dealloc’ed and did not stop observing another object. Walk through all of your -addObserver… calls and make sure they are matched with -removeObserver… calls at least in the -dealloc and possibly in the -viewDidUnload depending on your application structure.
The above crash happens when you try initializing a NSAttibutedString with html content from any other thread than the main thread. So the solution here is to make sure the above NSAttributedString initialization is always called from the main thread. DispatchQueue.main.async { let options: [NSAttributedString.DocumentReadingOptionKey: Any] = [.documentType: NSAttributedString.DocumentType.html] let htmlString = try? NSAttributedString(data: htmlData, … Read more
Here is some code, that converts NSExceptions to Swift 2 errors. Now you can use do { try ObjC.catchException { /* calls that might throw an NSException */ } } catch { print(“An error ocurred: \(error)”) } ObjC.h: #import <Foundation/Foundation.h> @interface ObjC : NSObject + (BOOL)catchException:(void(^)(void))tryBlock error:(__autoreleasing NSError **)error; @end ObjC.m #import “ObjC.h” @implementation ObjC … Read more
You should also ensure that you have breakpoints set for all exceptions. This will cause Xcode to stop at the line where the exception is occurring. Do the following [in Xcode 4]: In the Project Navigator on the left side of Xcode, click on the breakpoint navigator (almost all the way to the right hand … Read more
All work perfectly 🙂 NSString *test = @”test”; unichar a; int index = 5; @try { a = [test characterAtIndex:index]; } @catch (NSException *exception) { NSLog(@”%@”, exception.reason); NSLog(@”Char at index %d cannot be found”, index); NSLog(@”Max index is: %lu”, [test length] – 1); } @finally { NSLog(@”Finally condition”); } Log: [__NSCFConstantString characterAtIndex:]: Range or index … Read more