nsexception

问题 I have an Ionic 4 app that was working fine until I installed cordova firebase analytics plugin. After uninstalling that plugin I had to remove the ios and android platform then re-add. The project build successfully inside of Visual Studio Code. I then attempt to run the emulator in xCode and I get the following error: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSDictionaryM cordovaSettingForKey:]: unrecognized selector sent to instance

问题 I have an Ionic 4 app that was working fine until I installed cordova firebase analytics plugin. After uninstalling that plugin I had to remove the ios and android platform then re-add. The project build successfully inside of Visual Studio Code. I then attempt to run the emulator in xCode and I get the following error: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[__NSDictionaryM cordovaSettingForKey:]: unrecognized selector sent to instance

问题 I have a few doubts regarding exception handling in iPhone. Here are they: Suppose I have a chain of methods which are being called one after the other, that is, method A calls method B, which in turn calls method C, which calls method D. Which is the best place to put my try-catch block (is it method A or B or C or D or all of them). Also, I need to display an alert to user that an exception has occured and then, I want to log this exception to my server. So, if I am writing my try - catch

问题 I have a feeling that my problem here is really with blocking, but maybe it's something else too. I am trying to forward geocode an address and place the coordinates into an array to use later. An exception is raised down at the bottom when I try to call on one of the objects I tried added to the array in the block. The exception also gets raised before any of the NSLogs ever print out within the block text. What's the proper way to handle this? Thanks. - (NSMutableArray *

问题 Is there a reason why the following wouldn't work? @try { CFGetTypeID( NULL ); } @catch (NSException * e) { NSLog(@"Exception: %@", e); } @finally { NSLog(@"finally"); } Similar to the try/catch question, only it seems the above block crashes everytime. I know my debugger is setup correctly, as I setup a try/catch above from the other question: // Test working try catch NSString* test = [NSString stringWithString:@"ss"]; @try { [test characterAtIndex:6]; } @catch (NSException * e) { NSLog(@

问题 Is it a good practice to subclass from NSException for app-specific exceptions? That way everything is centralized one class for easier management. e.g. @interface AppException : NSException + (AppException *)InvalidSomething; + (AppException *)InvalidSomething2; @end 回答1: No, it's not good to subclass NSException because it's a class that doesn't need to be any more specific than it already is. In addition, subclasses, as is noted in the documentation, may not receive proper call stack

问题 Is it a good practice to subclass from NSException for app-specific exceptions? That way everything is centralized one class for easier management. e.g. @interface AppException : NSException + (AppException *)InvalidSomething; + (AppException *)InvalidSomething2; @end 回答1: No, it's not good to subclass NSException because it's a class that doesn't need to be any more specific than it already is. In addition, subclasses, as is noted in the documentation, may not receive proper call stack

问题 I have a tab bar application. Everything works normally, and I can switch between tabs fine and everything, except when I switch to my second tab ProductViewClass the view doesn't update and it spits out the console output below. I have nothing in this view except for a UIWebView and a UILabel. When I delete the UIWebView it runs successfully, and when I add another it still works. It only stops working when I connect the IBOutlet from my File's Owner to the UIWebView. Besides synthesizing

问题 I have a pretty simple application with a couple of UIViewControllers (say VC_A and VC_B ). Every screen has a button that allows to switch to another screen (no UINavigation is used). App schedules a local notification, which, when expired, should present another view controller ( VC_N - no matter what screen is active at the moment). The problem is that sometimes application throws: 'NSInternalInconsistencyException', reason: 'Attempting to begin a modal transition from <VC_A: 0x2021e0> to

问题 i am using this code to send an image and text to an api: func uploadImageAndData(_ url:String,parameters1:Parameters,headers1:HTTPHeaders,images:[UIImage]){ Alamofire.upload(multipartFormData: { multipartFormData in // import image to request var i=0 for imageData in images { // multipartFormData.append(self.resizeImage(image: uploadedProfileImage, targetSize: CGSize(width: 200, height: 200) multipartFormData.append(imageData.pngData()!, withName: "profilePic", fileName: "profileimage"+"