Detecting button click with UIAlertView

To detect the button clicks the alert view must have an associated delegate, e.g.

UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"add button pressed"                                                message:@"Add to record"                                               delegate:self    // <------                                      cancelButtonTitle:@"Cancel"                                      otherButtonTitles:@"OK", nil];

This is your code which i used and added some my code also.**

-(IBAction) Add {          UIAlertView *alert = [[UIAlertView alloc]initWithTitle:@"add button pressed"                                                       message:@"Add to record"                                                      delegate:nil                                                  cancelButtonTitle:@"Cancel"                                              otherButtonTitles:@"OK", nil];       alert.tag=101;//add tag to alert       [alert show];       [alert release];     }

Now when you press button on alert it will call clickedButtonAtIndex but there should a identifier for every alert. So add tag and then

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex** {//  the user clicked one of the OK/Cancel buttonsif(alertView.tag == 101)     // check alert by tag {    if (buttonIndex == 0)   {    //just to show its working, i call another alert view    UIAlertView *alert = [[UIAlertView alloc] initWithTitle: @"OK WORKIng well"                                                    message:@"no error"                                                   delegate:nil                                          cancelButtonTitle:@"IWORKS"                                           otherButtonTitles:@"NO PRB", nil];    [alert show];    [alert release];    }else{    NSLog(@"cancel");       }}}

Hope it helps.

The buttonIndex of 0 is the cancel button. I would recommend using:

- (void)alertView:(UIAlertView *)alertView clickedButtonAtIndex:(NSInteger)buttonIndex {if (buttonIndex == 0){      NSLog(@"cancel");   }else{   UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"OK works" message:@"no error" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil];                                                                                                                  [alert show];    [alert release];        }}