How can I make FirstViewController aware of the method in the second class?
I tried import and still got a warning.
FirstViewController.m
#import "FirstViewController.h"
#import "SecondViewController.h"
-(IBAction)buttonDown:(id)sender {
NSLog(@"id: %d", [sender tag] );
[SecondViewController populateTextFieldWithString:@"hey there"];
}
SecondViewController.m
-(void)populateTextFieldWithString:(NSString *)string {
NSLog(@"%@", string );
[commandText setText:string];
}
As soon as I call that method the app bombs... it has no idea what that
method in the SecondViewController is...
On Wed, Apr 8, 2009 at 1:27 PM, Craig Williams <cwilli...@allancraig.net>wrote:
>
> On Apr 8, 2009, at 11:08 AM, Eric E. Dolecki wrote:
>
> I have a tab bar and it's driven by FirstViewController. I have a second
>> view with it's own xib. I can have buttons there call into a "buttonPress"
>> method I have in the FirstViewController. I am able to get the sender tag
>> easily.
>>
>> NSLog(@"id: %d", [sender tag] );
>>
>>
>> However in the second xib I have a text field that I want to populate with
>> a
>> string. Since the buttonPress method in the FirstViewController doesn't
>> know
>> about the UILabel in the SecondViewController, how can I have it set that
>> field?
>>
>> Eric
>>
>
> Have you considered sending the string along with the button click call and
> having
> the SecondViewController populate its own text field?
>
> -(IBAction)buttonClicked:(id)sender
> {
> [secondViewController populateTextFieldWithString:@"TextField
> String"];
> }
>
>
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Interactive design and development
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