NSArray *buttons = [NSArray arrayWithObjects:@"OK", nil];
UIAlertSheet *alertSheet = [[UIAlertSheet alloc] initWithTitle:@"My Alert Sheet" buttons:buttons defaultButtonIndex:1 delegate:self context:self];
[alertSheet setBodyText:@"This is the body of my alert sheet"];
[alertSheet setNumberOfRows: 1];
[alertSheet popupAlertAnimated:YES];