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POUITabelView with UISearchDisplayDelegate
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  1. POUITabelView with UISearchDisplayDelegate
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    copied!<p>I'm trying to set up a simple UITableView with a UISearchDisplayDelegate but my app keeps crashing with a SIGABRT error for : [self.filteredListContent removeAllObjects]; </p> <p>Any ideas on why this is happening</p> <pre><code>#import "SearchViewController.h" @implementation SearchViewController @synthesize listContent, filteredListContent; - (void)viewDidLoad { [super viewDidLoad]; listContent = [[NSArray alloc]initWithObjects:@"hello", @"bye", nil]; filteredListContent = [NSMutableArray arrayWithCapacity:listContent.count]; [self.tableView reloadData]; self.tableView.scrollEnabled = YES; } - (void)viewDidUnload { [super viewDidUnload]; self.listContent =nil; self.filteredListContent=nil; } -(void) dealloc { [super dealloc]; [self.listContent release]; [self.filteredListContent release]; } - (void)viewWillAppear:(BOOL)animated { [super viewWillAppear:animated]; } - (void)viewDidAppear:(BOOL)animated { [super viewDidAppear:animated]; } - (void)viewWillDisappear:(BOOL)animated { [super viewWillDisappear:animated]; } - (void)viewDidDisappear:(BOOL)animated { [super viewDidDisappear:animated]; } - (BOOL)shouldAutorotateToInterfaceOrientation:(UIInterfaceOrientation)interfaceOrientation { // Return YES for supported orientations return (interfaceOrientation == UIInterfaceOrientationPortrait); } #pragma mark - Table view data source - (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView { // Return the number of sections. return 1; } - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { // Return the number of rows in the section. if (tableView == self.searchDisplayController.searchResultsTableView) { return [self.filteredListContent count]; } else { return [self.listContent count]; } } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease]; } NSString *label; if (tableView == self.searchDisplayController.searchResultsTableView) { label = [self.filteredListContent objectAtIndex:indexPath.row]; } else { label = [self.listContent objectAtIndex:indexPath.row]; } cell.textLabel.text = label; return cell; } #pragma mark - Table view delegate - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath { } - (void)filterContentForSearchText:(NSString*)searchText { [self.filteredListContent removeAllObjects]; for (NSString *string in listContent) { NSComparisonResult result = [string compare:searchText options:(NSCaseInsensitiveSearch|NSDiacriticInsensitiveSearch) range:NSMakeRange(0, [searchText length])]; if (result == NSOrderedSame) { [self.filteredListContent addObject:string]; } } } - (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchString:(NSString *)searchString { [self filterContentForSearchText:searchString]; return YES; } - (BOOL)searchDisplayController:(UISearchDisplayController *)controller shouldReloadTableForSearchScope:(NSInteger)searchOption { [self filterContentForSearchText:[self.searchDisplayController.searchBar text]]; return YES; } </code></pre> <p>header file</p> <pre><code>#import &lt;UIKit/UIKit.h&gt; @interface SearchViewController : UITableViewController&lt;UISearchDisplayDelegate, UISearchBarDelegate&gt; { NSArray *listContent; NSMutableArray *filteredListContent; } @property (nonatomic, retain) NSArray *listContent; @property (nonatomic, retain) NSMutableArray *filteredListContent; @end </code></pre>
 

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