-(void) viewWillAppear:(BOOL)animated {
    AppDelegate *appDelegate = (AppDelegate *) [[UIApplication sharedApplication]delegate];
    searchBarVisivel = NO;
    pareAquiClicado = NO;
    ondeParei = NO;
    busca = NO;
    posicao = 0;
    contador = 0;
    tbEstacionamentos.delegate = self;

    _listaEstacionamentos = [[NSMutableArray alloc]init];
}



 (void)viewDidLoad //só passa por aqui quando for a primeira vez que esta tela aparece.
{
    [viewLoading setBackgroundColor:[UIColor colorWithRed:53.0/255.0 green:100.0/255.0 blue:162.0/255.0 alpha:1]];
    filtro = @"Distância";
    self.view.frame = [[UIScreen mainScreen] applicationFrame];
    [super viewDidLoad];
    tbSugerir.delegate = self;
    listaSugerir = [[NSMutableArray alloc]init];

    // Do any additional setup after loading the view.
}


- (void)searchBarSearchButtonClicked:(UISearchBar *)aSearchBar {
    [NSThread detachNewThreadSelector:@selector(workerThread) toTarget:self withObject:nil];
    // When the search button is tapped, add the search term to recents and conduct the search.
    NSString *searchString = [searchBar text];
    [searchBar resignFirstResponder];
    [self search:searchString];
}

-(IBAction)btnSearchClick:(id)sender {
    if (!searchBarVisivel) {
        [self inserirTap];
        [searchBar setHidden:NO];
        searchBarVisivel = YES;
        [self.view bringSubviewToFront:searchBar];
    }
    else
    {
        [self removerTap];
        searchBar.text = @"";
        searchBarVisivel = NO;
        [searchBar setHidden:YES];
        [searchBar resignFirstResponder];
    }
}

-(BOOL) searchBar:(UISearchBar *)searchBar shouldChangeTextInRange:(NSRange)range replacementText:(NSString *)text  {
    return YES;
}