Question

我正在使用UISearchBar，搜索工作正常但搜索后点击取消按钮，didSelectedRowAtIndexPath在UItableView中不起作用。它不允许我选择任何行进一步。

任何想法？

- (void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar 
{
    isSearchOn = YES;
    canSelectRow = NO;
    table.scrollEnabled = NO;
}

- (void) doneSearching:(id)sender 
{   
    isSearchOn = NO;
    canSelectRow = YES;
    table.scrollEnabled = YES;
    self.navigationItem.rightBarButtonItem = nil;

    [table reloadData];
}

- (void)searchBar:(UISearchBar *)searchBar 
    textDidChange:(NSString *)searchText 
{
    if ([searchText length] > 0) {
        isSearchOn = YES;
        canSelectRow = YES;
        table.scrollEnabled = YES;
        [self searchMoviesTableView:searchText];
    }
    else {
        isSearchOn = NO;
        canSelectRow = NO;
        table.scrollEnabled = NO;       
    }
    [table reloadData];
}

- (void) searchMoviesTableView :(NSString*)searchText{
    [searchResult removeAllObjects];

    for (NSDictionary *artistDic in listOfMovies) {
        NSRange titleResultRange = [[artistDic valueForKey:@"artist"] rangeOfString:searchText options:(NSCaseInsensitiveSearch | NSLiteralSearch)];
        if (titleResultRange.length > 0)
            [searchResult addObject:artistDic];
    }
}

-(void)searchBarCancelButtonClicked:(UISearchBar *)searchBar
{
    searchBar.text = @"";
    table.scrollEnabled = true;
    [table reloadData];
    [searchBar resignFirstResponder];
}

- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar 
{
    [searchBar resignFirstResponder];
}

Answer 1

这是我的错误......

else {
    isSearchOn = NO;
    canSelectRow = NO;
    table.scrollEnabled = NO;       
}

set canSelectRow=YES;

Answer 2

我注意到你在打电话：

searchBar.text = @"";

searchBarCancelButtonClicked:中的

，可能会导致searchBar:textDidChange:的另一次调用。在searchBar:textDidChange:中设置：

canSelectRow = NO;

表示长度为0的字符串（@""为真）。我想知道是根本原因吗？

单击UISearchBar中的取消按钮会导致tableView中没有选择？

2 个答案: