SearchDisplay控制器不显示我的搜索结果

Question

我正在尝试使联系人表视图像iPhone通讯录模块。我有一个按字母顺序排序的header sections（A-B-C -...）。现在我想搜索这个tableview。我的搜索后，我应该只有一个部分的所有搜索结果。

我现在的问题是它一直显示"No results"。但是当我查看那个包含我的搜索结果的数组时，它包含正确的值。

现在的代码。

我CellForRowAtIndexPath

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath 
{ 
    static NSString *kCellID = @"cellID"; 

    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:kCellID]; 
    if (cell == nil) 
    { 
     cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:kCellID]; 
     cell.accessoryType = UITableViewCellAccessoryDisclosureIndicator; 
    } 

    if (tableView == self.searchDisplayController.searchResultsTableView){ 
     NSLog(@"search tableview"); 

     Contact *contact = [self.filteredListContent objectAtIndex:indexPath.row]; 

     NSString *text = [NSString stringWithFormat:@"%@ %@",contact.name,contact.firstName]; 
     NSLog(@"CellForRowAtIndexPath contact text is %@",text); 
     cell.textLabel.text = text; 


     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator]; 


    }else{ 
     NSLog(@"standaard tableview"); 
    NSString *alphabet = [firstIndex objectAtIndex:[indexPath section]]; 

    //---get all states beginning with the letter--- 
    NSPredicate *predicate = 
    [NSPredicate predicateWithFormat:@"SELF.name beginswith[c] %@",alphabet]; 
    NSArray *contacts = [listContent filteredArrayUsingPredicate:predicate]; 
    Contact *contact = [contacts objectAtIndex:indexPath.row]; 

    NSString *text = [NSString stringWithFormat:@"%@ %@",contact.name,contact.firstName]; 
    cell.textLabel.text = text; 


     [cell setAccessoryType:UITableViewCellAccessoryDisclosureIndicator]; 
    } 

    return cell; 

} 

这是问题所在。当我在IF这个self.searchDisplayController.isActive，我看着这个日志NSLog(@"CellForRowAtIndexPath contact text is %@",text)，那么它给了我正确的上下文名称。但是当我改变如果这个。 tableView == self.searchDisplayController.searchResultsTableView然后它总是去ELSE部分。

我filterContentForSearchText

- (void)filterContentForSearchText:(NSString*)searchText scope:(NSString*)scope 
    { 
     NSLog(@"filterContentForSearchText called"); 
     /* 
     Update the filtered array based on the search text and scope. 
     */ 

     [self.filteredListContent removeAllObjects]; // First clear the filtered array. 

     /* 
     Search the main list for products whose type matches the scope (if selected) and whose name matches searchText; add items that match to the filtered array. 
     */ 
     for (Contact *contact in listContent) 
     { 
      NSString *searchString = [NSString stringWithFormat:@"%@ %@",contact.name,contact.firstName]; 
      NSRange range = [searchString rangeOfString:searchText options:NSCaseInsensitiveSearch]; 
      if (range.location != NSNotFound) { 
       [self.filteredListContent addObject:contact]; 
       [self.searchDisplayController.searchResultsTableView reloadData]; 
      } 
     } 
     NSLog(@"filterd list: %@",[self.filteredListContent valueForKey:@"name"]); 

     [self.tableView reloadData]; 

    } 

该过滤列表与正确的搜索结果填满。故事板

编辑 截图

编辑搜索委托方法

#pragma mark - UISearchDisplayController Delegate Methods 
-(BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString { 
    // Tells the table data source to reload when text changes 
    [self filterContentForSearchText:searchString scope: 
    [[self.searchDisplayController.searchBar scopeButtonTitles] objectAtIndex:[self.searchDisplayController.searchBar selectedScopeButtonIndex]]]; 

    [self filterContentForSearchText:searchString scope: 
    [[self.searchDisplayController.searchBar scopeButtonTitles] objectAtIndex:[self.searchDisplayController.searchBar selectedScopeButtonIndex]]]; 

    // Return YES to cause the search result table view to be reloaded. 
    return YES; 
} 

-(BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchScope:(NSInteger)searchOption { 
    // Tells the table data source to reload when scope bar selection changes 
    [self filterContentForSearchText:self.searchDisplayController.searchBar.text scope: 
    [[self.searchDisplayController.searchBar scopeButtonTitles] objectAtIndex:searchOption]]; 
    // Return YES to cause the search result table view to be reloaded. 
    return YES; 
} 

Answer 1

尝试创建一个新的引用插座连接到您的联系人表视图控制器。

当我把两个搜索显示控制器放在一个视图控制器。只有一个搜索显示工作。好的一个有这个Outlet连接。看我的post。