回答

2

我想通了。大多数的例子,我发现这里搜索文本:

- (void)searchBar:(UISearchBar *)theSearchBar textDidChange:(NSString *)searchText 

,但我只是没有实现该方法,而是只写了,我在这里叫我自己的搜索功能:

// called when keyboard search button pressed 

- (void)searchBarSearchButtonClicked:(UISearchBar *)searchBar{ 

    [self fetchTheSearchString:searchBar.text]; 
    [searchBar resignFirstResponder]; 
    [self.tableView reloadData]; 

}