MultipleSelector with remote load

ChallengeViewController.m

//
//  ChallengeViewController.m
//  ikarma
//
//  Created by Arnaud Ferreri on 4/23/12.
//  Copyright (c) 2012 Onefeat. All rights reserved.
//

#import "ChallengeViewController.h"
#import <extThree20JSON/extThree20JSON.h>
#import "User.h"
#import "KarmaClient.h"

@implementation ChallengeViewController
@synthesize _loading, hasLoaded;

- (id) initWithId:(NSNumber *)index query:(NSMutableDictionary *)q {
  if ((self = [super init])) {
    
    mission = [q objectForKey:@"mission"];

    delegate = self;
    self.title = @"Challenge";
    self.maxNumberOfRecentItems = 5;
    self.useRecentItems = YES;
    self.recentItemStorageKey = @"recent_selected_items";
    self.allowModeButtons = YES;
    self.allowSearchControl = YES;
    
  }
  return self;
}

- (void)viewDidLoad {
  [super viewDidLoad];	
  [self.view setBackgroundColor:[UIColor whiteColor]];
  [self.navigationItem setTitle:@"Challenge"];
  
  self.navigationItem.leftBarButtonItem = [KarmaHelper createIconButton:@"g" target:self action:@selector(didCancel) style:@"blackButton:"];
  self.navigationItem.rightBarButtonItem = [KarmaHelper createTextButton:@"Send" target:self action:@selector(didFinish) style:@"blueButton:"];
  
  [self loadRemoteContacts];
}


-(void) selectorDidCancelSelection {
  [self dismissModal];
}

-(void)selectorDidFinishSelectionWithItems:(NSArray *)selectedItems {
  [self dismissModal];
}


-(void)reloadWithData:(NSMutableArray*)array {
  
  //  [items removeAllObjects];
  items = [array mutableCopy];
  //recentItems = [NSMutableArray array];
  NSMutableArray * rArr =[[NSUserDefaults standardUserDefaults] objectForKey:self.recentItemStorageKey];
  
  // Preparing indices and Recent items
  //indices = [NSMutableDictionary dictionary];
  for (KNSelectorItem * i in items) {
    NSString * letter = [i.displayValue substringToIndex:1];
    if (![indices objectForKey:letter]) {
      [indices setObject:[NSMutableArray array] forKey:letter];
    }
    if ([rArr containsObject:i.selectValue]) {
      [recentItems addObject:i];
    }
    NSMutableArray * a = [indices objectForKey:letter];
    [a addObject:i];
  }
  
  [self.tableView reloadData];
}


- (BOOL) isLoading {
  return _loading;
}

- (void) loadRemoteContacts {
  [self loadRemoteContacts:TTURLRequestCachePolicyDefault];
}

- (void) loadRemoteContacts:(TTURLRequestCachePolicy)cachePolicy {
  if (!self.isLoading) {
 
    _loading = YES;
    KarmaData* kd = [KarmaData kd];
    NSString* url = [NSString stringWithFormat:FOLLOWERS_URL, API_SOURCE, kd.me.id ,kd.user_token];
    TTURLRequest* request = [TTURLRequest
                             requestWithURL: url
                             delegate: self];
    DLog(@"my url : %@", url);
    
    request.shouldHandleCookies = NO;
    request.cachePolicy =  cachePolicy;
    request.cacheExpirationAge = TT_CACHE_EXPIRATION_AGE_NEVER;
    
    TTURLJSONResponse* response = [[TTURLJSONResponse alloc] init];
    request.response = response;
    TT_RELEASE_SAFELY(response);
    
    [request send];
  }
}
///////////////////////////////////////////////////////////////////////////////////////////////////
- (void)requestDidFinishLoad:(TTURLRequest*)request {
  hasLoaded = YES;
  
  TTURLJSONResponse* response = request.response;
  TTDASSERT([response.rootObject isKindOfClass:[NSDictionary class]]);
  NSDictionary* feed = response.rootObject;
  TTDASSERT([[feed objectForKey:@"users"] isKindOfClass:[NSArray class]]);
  
  NSArray* usersJSON = [feed objectForKey:@"users"];
  
  NSMutableArray* users_array = [[NSMutableArray alloc] init];
  NSMutableArray* array = [[NSMutableArray alloc] init];
  
  for (NSDictionary* user in usersJSON) {
    User* u = [[User alloc] initFromJSON:(NSDictionary *)user];
    [users_array addObject:u];
    KNSelectorItem* item = [[KNSelectorItem alloc]
            initWithDisplayValue:u.name selectValue:selectValue imageUrl:u.avatar_url];
    [array addObject:item];
    TT_RELEASE_SAFELY(u);
  }
  
  _loading = NO;
  hasLoaded = TRUE;

  if (request.respondedFromCache) {
    [self loadRemoteContacts:TTURLRequestCachePolicyNoCache];
  }
  
  NSArray * sortedItems = [array sortedArrayUsingSelector:@selector(compareByDisplayValue:)];
  [self reloadWithData:[NSMutableArray arrayWithArray:sortedItems]];
}

- (void)request:(TTURLRequest*)request didFailLoadWithError:(NSError*)error {
  [KarmaHelper handleHTTPError:request error:error];
}


@end

This works the way it is supposed to. But the recents are not reloaded, and the search crashes if I enter more than one letter. (One letter is fine though, and the search goes through.)

I think one of the issues is that the init method does not inherit from initWithItems