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will wang
will wang

Reputation: 199

Crashing: storyboardWithName:

Using the following method to get storyboard instance:

UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"storyboardName" bundle:nil];

I have noted that "If no storyboard resource file matching name exists, an exception is thrown with description: Could not find a storyboard named 'XXXXXX' in bundle....". I know it cannot be too careful to deal with the method.

My question is that is there any way to catch the exception and handle it manually. Any directions?

Upvotes: 1

Views: 425

Answers (2)

Nikhil Gupta
Nikhil Gupta

Reputation: 97

UIStoryboard *st;
@try{
st = [UIStoryboard storyboardWithName:@"XXXXXX" bundle:nil];
}@catch (NSException *exception)
{
NSLog (@"%@",[exception description]);
return;

}

In this case if the storyboardWithName:@"XXXXXX" does not exist, then the code will go into the catch block where we can do the necessary handling manually. I have just logged the description of the exception. We can do any processing in that block without the code crashing

Upvotes: 1

Tom
Tom

Reputation: 1360

NSString *sbName = @"storyboardName";
UIStoryboard *sb;
@try {
     sb = [UIStoryboard storyboardWithName:sbName bundle:nil];
}@catch (NSException *exception) {
     [self warnMissingStoryBoard:sbName];
     //handle here...
     return;
}
//use sb here...

Upvotes: 1

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