i want to add simple searchbar in the table view..program getting run with no error..but when i try to add text in searchbar program gets terminates...following is my code:-
@interface RootViewController : UITableViewController { NSArray *list;
IBOutlet UISearchBar *searchBar;
NSMutableArray *searchresult;
BOOL isSearchon;
BOOL canSelectRow;
} @property(nonatomic, retain)NSArray *list; @property(nonatomic, retain)IBOutlet UISearchBar *searchBar; -(void)doneSearching:(id)sender;
-(void)searchlist;
@end
//in .m
@implementation RootViewController
@synthesize list,searchBar;
-(void)doneSearching:(id)sender
{ isSearchon=NO;
canSelectRow=YES;
self.tableView.scrollEnabled=YES;
self.navigationItem.rightBarButtonItem=nil;
[searchBar resignFirstResponder];
[self.tableView reloadData];
}
-(void)searchlist
{NSString *searchText = searchBar.text;
[searchresult removeAllObjects];
for(NSString *str in list)
{
NSRange titleResultsRange=[str rangeOfString:searchText options:NSCaseInsensitiveSearch];
if (titleResultsRange.length > 0)
[searchresult addObject:str];
}
}
(void) searchBarSearchButtonClicked:(UISearchBar *)theSearchBar {
[self searchlist]; }
(void)searchBar:(UISearchBar *)theSearchBar textDidChange:(NSString *)searchText {
if([searchText length]>0)
{isSearchon =YES;
canSelectRow=YES;
self.tableView.scrollEnabled=YES;
[self searchlist];}
else{ isSearchon =NO;
canSelectRow=NO;
self.tableView.scrollEnabled=NO;
}
[self.tableView reloadData];
}
(void)viewDidLoad { [super viewDidLoad];
list = [[NSArray alloc]initWithObjects:@"rohan",@"vidhya",@"kavita",@"pushkar",nil];
self.tableView.tableHeaderView = searchBar;
searchBar.autocorrectionType=UITextAutocorrectionTypeYes;
searchresult=[[NSMutableArray alloc]init];
isSearchon =NO;
canSelectRow=YES;
self.navigationItem.title = @"Names";
}
-(void)searchBarTextDidBeginEditing:(UISearchBar *)searchBar
{ isSearchon =YES;
canSelectRow=NO;
self.tableView.scrollEnabled=NO;
self.navigationItem.rightBarButtonItem=[[[UIBarButtonItem alloc]initWithBarButtonSystemItem:UIBarButtonSystemItemDone target:self action:@selector(doneSearching:)]autorelease];
}
(NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1; }
// Customize the number of rows in the table view. - (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section { if(isSearchon){ return [searchresult count];}
else{
return [list count];}
}
// Customize the appearance of table view cells. - (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];
}
if(isSearchon)
{
cell.text=[searchresult objectAtIndex:indexPath.row];}
else{
cell.text=[list objectAtIndex:indexPath.row];}
// Configure the cell.
return cell;
}
- (void)dealloc { [super dealloc]; [searchBar release]; }
@end
