I'm sure this must be answered somewhere already but I'm struggling to find the right search terms for the answer.
In my objective-c code I have an NSArray of an unknown number strings that I want to pass its elements to a variadic init method, in this case its the ... list of 'otherButtonTitles' in the constructer of UIActionSheet. How can this be achieved?
thanks in advance
I think you would need to pass the first element of the array to the constructor and then use the addButtonWithTitle method to loop through the remaining elements and add them:
UIActionSheet *mySheet = [[UIActionSheet alloc] initWithTitle:title delegate:delegate cancelButtonTitle:cancelButtonTitle destructiveButtonTitle:destructiveButtonTitle otherButtonTitles:[myOtherButtons objectAtIndex:0],nil];
NSMutableArray *otherbuttons = myOtherButtons;
[otherButtons removeObjectAtIndex:0];
NSEnumerator *enumerator = [otherButtons objectEnumerator];
id anObject;
while (title = [enumerator nextObject]) {
[mySheet addButtonWithTitle:title];
}
There isn't a general way to do this, but for UIActionSheet specifically, you don't need to use that constructor.
UIActionSheet *sheet = [[UIActionSheet alloc] init];
// set properties
sheet.title = @"Title!";
// add buttons
for (NSString *buttonTitle in otherButtonTitles) {
[sheet addButtonWithTitle:buttonTitle];
}
sheet.cancelButtonIndex =
[sheet addButtonWithTitle:@"Cancel"];
UIAlertView can be initialized in a similar way.
