Search Bar based on JSON not working - objective-c

Question

I have a TableViewController and array from JSON url. I wanted to search #Name from server.Tableview showing data were well.But searching does not working.How to do it ?Where is the mistake?
Tableviewcontroller.h :
#interface CitiesViewController ()
#property(nonatomic,strong)NSMutableArray *jsonArray
#property(nonatomic,strong)NSMutableArray *citiesArray;
#property (nonatomic, copy)NSMutableArray *filteredNames;
#property (nonatomic, strong)UISearchController *searchController;
#property (strong, readwrite, nonatomic) NSMutableArray *arrayPlace;
#property (weak, nonatomic) IBOutlet UISearchBar *searcBar;
-(void)retrieveData;
Tableviewcontroller.m :
#end
#implementation CitiesViewController
#synthesize
citiesArray,jsonArray,filteredNames,arrayPlace,searcBar,searchController;
#pragma mark -
#pragma mark Class Methods
-(void)retrieveData
{
NSURL *url = [NSURL URLWithString:getDataURL];
NSData *data = [NSData dataWithContentsOfURL:url];
jsonArray = [NSJSONSerialization JSONObjectWithData:data options:kNilOptions error:nil];
citiesArray =[[NSMutableArray alloc]init];
for (int i= 0; i<jsonArray.count; i++)
{
NSString *cID = [[jsonArray objectAtIndex:i] objectForKey:#"id"];
NSString *cName = [[jsonArray objectAtIndex:i] objectForKey:#"Name"];
NSString *cCompany = [[jsonArray objectAtIndex:i] objectForKey:#"company"];
NSString *cPosition = [[jsonArray objectAtIndex:i] objectForKey:#"position"];
NSString *cEmail = [[jsonArray objectAtIndex:i] objectForKey:#"email"];
NSString *cNumber = [[jsonArray objectAtIndex:i] objectForKey:#"number"];
NSString *cPhoto = [[jsonArray objectAtIndex:i] objectForKey:#"photo"];
NSURL *urlOne = [NSURL URLWithString:cPhoto];
// NSLog(#"%#",urlOne);
NSData *photoData = [NSData dataWithContentsOfURL:urlOne];
UIImage *imageOne = [[UIImage alloc] initWithData:photoData];
[citiesArray addObject:[[City alloc]initWithCityName:cName andCityState:cCompany andCityCountry:cEmail andCityPopulation:cPosition andCityID:cID andCityNumber:cNumber andCityPhoto: (UIImage *) imageOne]];
}
[self.tableView reloadData];
}
- (void)viewDidLoad {
[super viewDidLoad];
[self retrieveData];
self.arrayPlace = [NSMutableArray new];
UITableView *tableView = (id)[self.view viewWithTag:1];
[tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:#"Cell"];
filteredNames = [[NSMutableArray alloc]init];
searchController = [[UISearchController alloc]init];
self.searchController.searchResultsUpdater = self;
}
#pragma mark - Table view data source
- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {
return 1;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {
if (tableView.tag == 1) {
return citiesArray.count;
} else {
return [filteredNames count];
}
}
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:#"Cell" forIndexPath:indexPath];
// Configure the cell...
if (tableView.tag == 1){
City *cityob;
cityob=[citiesArray objectAtIndex:indexPath.row];
cell.textLabel.text=cityob.employeeName;
}else{
cell.textLabel.text = filteredNames[indexPath.row];
}
return cell;
}
#pragma mark Search Display Delegate Methods
-(void)searchDisplayController:(UISearchController *)controller didLoadSearchResultsTableView:(UITableView *)tableView {
[tableView registerClass:[UITableViewCell class] forCellReuseIdentifier:#"Cell"];
}
-(BOOL)searchDisplayController:(UISearchController *)controller shouldReloadTableForSearchString:(NSString *)searchString
{
[filteredNames removeAllObjects];
if (searchString.length > 0) {
NSPredicate *predicate = [NSPredicate predicateWithFormat:#"SELF contains [search] %#", self.searcBar.text];
for (NSString *name in citiesArray) {
NSArray *matches = [[self.jsonArray[name] objectForKey:#"Name"]filteredArrayUsingPredicate:predicate];
[filteredNames addObjectsFromArray:matches];
}
NSLog(#"filteredNames==%#",filteredNames);
}
return YES;
}