Detecting button click with UIAlertView

Question

I am trying to call and alert when a button is pressed. i use this :

-(IBAction)Add { 
    UIAlertView *alert = [[UIAlertView alloc] initWithTitle: @\"add bu         


        

Answer 1

1)
.h file 
@interface MyClassViewController: 

2)
.m file

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Note"
                                                message:@"some message"
                                               delegate:self    // must be self to call clickedButtonAtIndex
                                      cancelButtonTitle:@"Cancel"
                                      otherButtonTitles:@"OK", nil];


3)
- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {

  if (buttonIndex == [alertView cancelButtonIndex]) {
    NSLog(@"The cancel button was clicked from alertView");
  }
 else {

}
}