Search UI + Table View UI iOS

MainViewController.m

//
//  ViewController.m
//  SimpleTableView
//
//  Created by Phi Long  on 12/30/14.
//  Copyright (c) 2014 Phi Long . All rights reserved.
//

#import "ViewController.h"

@interface ViewController ()

@end

@implementation ViewController{
    NSArray *table;
    NSArray *searchResults;
}

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    
    table= [NSArray arrayWithObjects:
            @"Nguyễn Văn Quý",
            @"Tang Tran Quoc Dat",
            @"Nguyen Duc Anh",
            @"Tran Loc",
            @"Boi Quynh",
            @"Nguyen Quoc Viet",
            @"Phan Thi Kieu Diem",
            @"Duong Phan Tra My",
            @"Nguyen Thi Kim Anh",
            @"Nguyen Thi Huong Sa",
            @"Nguyen Thi Thanh Thanh", nil];
}

- (void)didReceiveMemoryWarning {
    [super didReceiveMemoryWarning];
    // Dispose of any resources that can be recreated.
}

//khởi tạo số dòng table view
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{
    if(tableView == self.searchDisplayController.searchResultsTableView){
        return [searchResults count];
    }else{
        return [table count];
    }
}

//khởi tạo dữ liệu table view
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
    static NSString *simpleTableIndentifer = @"SimpleTableCell";
    
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:simpleTableIndentifer];
    
    if(cell==nil){
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:simpleTableIndentifer];
    }
    
    if (tableView == self.searchDisplayController.searchResultsTableView) {
        cell.textLabel.text = [searchResults objectAtIndex:indexPath.row];
    } else {
        cell.textLabel.text = [table objectAtIndex:indexPath.row];
    }
    
    return cell;
}

- (void)filterContentForSearchText:(NSString *)searchText scope:(NSString*)scope{
    NSPredicate *resultPredicate = [NSPredicate predicateWithFormat:@"SELF contains[cd] %@",searchText];
    searchResults = [table filteredArrayUsingPredicate:resultPredicate];
}

- (BOOL)searchDisplayController:(UISearchDisplayController *)controller
shouldReloadTableForSearchString:(NSString *)searchString{
    [self filterContentForSearchText:searchString scope:[[self.searchDisplayController.searchBar scopeButtonTitles] objectAtIndex:[self.searchDisplayController.searchBar selectedScopeButtonIndex]]];
    
    return YES;
}



@end