action sheet

- (void)actionSheet:(UIActionSheet *)actionSheet clickedButtonAtIndex:(NSInteger)buttonIndex{    printf("User Pressed Button %d\n", buttonIndex + 1);}-(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event{}- (void) presentSheet{    UIActionSheet *menu = [[UIActionSheet alloc]                           initWithTitle: @"File Management"                           delegate:self                           cancelButtonTitle:@"cancel"                           destructiveButtonTitle:nil                           otherButtonTitles:@"Rename File", @"Email File", nil];    [menu showInView:self.view];}