after nsXml pasring value of my NSMutable array AB
=\n\n\n\thttp://xyz.com/uploads/resto_6298__20091209#1621_250.JPG\n\thttp://xyz.com/uploads/resto_6298__200912099_2_250.JPG\n"
now i am doing this to make this url working
NSString *sw=AB;
NSArray *strings = [sw componentsSeparatedByString: #"\n\t"];
NSLog(#"what I have %#",strings);
but my app always crash and i am getting this error
[NSCFArray componentsSeparatedByString:]: unrecognized selector sent to instance 0x1b28b0
2010-10-05 10:17:31.382 Wat2Eat[2311:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSCFArray componentsSeparatedByString:]: unrecognized selector sent to instance 0x1b28b0'
how to parse this AB so that i can extract exact URL
NSString *sw=AB;
AB is an NSMutableArray?
the compiler should print a warning if you try to do this. You tried to assign an NSArray to an NSString. This will not work.
Did you mean NSString *sw = [AB objectAtIndex:foo]; ?
Related
I created a static library for iOS. The library uses core data to store some objects fetched from the internet.
When I try to use my library in a standard iOS project, it seems like it can't create any instances of core data entities. I have the following error :
-[NSManagedObject initWithDictionary:]: unrecognized selector sent to instance 0x6e5d4e0
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSManagedObject initWithDictionary:]: unrecognized selector sent to instance 0x6e5d4e0'
initWithDictionary is actually a method I call on a core data entity object.
Then I tried to create the managed object model out of the library like shown here : core data in a static library for the iPhone
NSMutableSet *allBundles = [[[NSMutableSet alloc] init] autorelease];
[allBundles addObjectsFromArray: [NSBundle allBundles]];
[allBundles addObjectsFromArray: [NSBundle allFrameworks]];
managedObjectModel = [NSManagedObjectModel mergedModelFromBundles: [allBundles allObjects]];
OR
NSURL *modelURL = [[NSBundle mainBundle] URLForResource:#"Model" withExtension:#"momd"];
managedObjectModel = [[NSManagedObjectModel alloc] initWithContentsOfURL:modelURL];
but it didn't work. I have the following error when I try to instantiate a class of my library giving it the managed object model :
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[LauncherViewController initWithNibName:managedObjectModel:andKey:]: unrecognized selector sent to instance 0x6b94db0'
If I try this : core data in a static library for the iPhone , I get this error :
*** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[__NSArrayM insertObject:atIndex:]: object cannot be nil'
Please help me, I really don't know what to do anymore...
In my app i entered the value of Amount field into textfield and the datatype of that field is float and then insert it into database.when i run my app it gives following error.
Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSCFNumber isEqualToString:]:
here is my code to insert data:
NSString *amt=txtTotalBill.text;
float amount = [amt floatValue];
NSString *insertData=[NSString stringWithFormat:#"insert into tbl_Bills(Amount) values ('%f')",amount];
and the app gives error at this point:
[label3 setText:[[BillTableArray objectAtIndex:indexPath.row]objectForKey:#"Amount"]];
The object returned by [[BillTableArray objectAtIndex:indexPath.row]objectForKey:#"Amount"] is not a NSString.
NSString *string = [NSString stringWithFormat:#"%#", [[BillTableArray objectAtIndex:indexPath.row]objectForKey:#"Amount"]];
[label3 setText:string];
you are trying to set Number as label's text. Where label text must be a string. So you need to first convert Number value into NSString...
I would like to do this:
I have a dictionary like this:
[myMutableDictionary setValue:myNSNumber forKey:#"myKey"];
myNSNumber is an NSNumber.
myCell.label.text = [self.myMutableDictionary objectForkey#"myKey"];
I have an error when I assign the number stored in my dictionary to my label in myCell.
The error is:
je suis la 2011-05-02 15:01:01.264 []
-[NSCFNumber isEqualToString:]: unrecognized selector sent to instance
0x225d00 2011-05-02 15:01:01.319 []
*** Terminating app due to uncaught exception
'NSInvalidArgumentException', reason:
'-[NSCFNumber isEqualToString:]:
unrecognized selector sent to instance
0x225d00'
NSNumber is not an NSString and the text of the label needs to set to an NSString.
NSNumber *num = (NSNumber*)[self.myMutableDictionnary objectForkey#"myKey"];
myCell.label.text = [num stringValue];
Here you can do it by 2 ways
first is myCell.label.text = [[self.myMutableDictionnary objectForkey#"myKey"] stringValue];
second is myCell.label.text = [NSString stringWithFormat:#"%d",[self.myMutableDictionnary objectForkey#"myKey"]] ;
StringReply = [[NSString alloc] initWithData:dataReply encoding:NSUTF8StringEncoding];
//Regex Out Artist Name
//NSString *regEx = ;
NSArray *iTunesAristName = [stringReply componentsMatchedByRegex: #"(?<=artistname\":\")([^<]+)(?=\")"];
if ([iTunesAristName isEqual:#""]) {
NSLog(#"Something has messed up");
//Regex Out Song Name
}else{
NSLog(iTunesAristName);
}
NSLog(iTunesAristName);
[stringReply release];
I just keep getting this error ?
2010-09-29 21:15:16.406 [2073:207] *** -[NSCFArray length]: unrecognized selector sent to instance 0x4b0b800
2010-09-29 21:15:16.406 [2073:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSCFArray length]: unrecognized selector sent to instance 0x4b0b800'
2010-09-29 21:15:16.407 [2073:207] Stack: (
please help its driving me crazy
The first argument to NSLog is supposed to be a format string. You're passing an NSArray. When the function tries to treat your array as a string, you get that error. Instead, use NSLog(#"%#", iTunesAristName);.
Chuck has answered your question, but I've noticed something else that is problematic.
NSArray is an array, not a string, so [iTunesArtistName isEqual:#""] will never return true, because they are different classes. Even if iTunesArtistName was a string, it should be compared using the isEqualToString: method, not isEqual:.
If you want to extract only the artist's name, you might be able to do this:
NSArray *matches = [stringReply componentsMatchedByRegex: #"(?<=artistname\":\")([^<]+)(?=\")"];
if ([matches count] == 0)
{
NSLog(#"Could not extract the artist name");
}
else
{
NSString *iTunesArtistName = [matches objectAtIndex:0];
NSLog(#"Artist name: %#", iTunesArtistName);
}
I see you're using RegexKitLite, make sure you import libicucore.dylib, i was getting the same error until i imported that library.
I've built an XML parser in Objective-C and the message objectForKey throws an NSException but I don't know why.
aPicture = [[Picture alloc] init];
aPicture.pictureID = [[attributeDict objectForKey:#"id"] integerValue];
Here is the message of the exception that i don't understand:
2010-08-09 21:27:32.223 rh[6375:207] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[Picture setPictureID:]: unrecognized selector sent to instance 0x592e0b0'
After a long search i got my mistake...
I have forgotton to synthezise the pictureID selector.
....