gistfile1.m

- (void)MetadataUpdate:(NSNotification*)notification
{

    if ([[[Player sharedManager] radioPlayer] timedMetadata]!=nil && [[[[Player sharedManager] radioPlayer] timedMetadata] count] > 0) {
        
        _firstMeta = [[[[Player sharedManager] radioPlayer] timedMetadata] objectAtIndex:0];
        
        self.decodedString = [[NSString alloc] initWithData: [_firstMeta.value dataUsingEncoding:NSISOLatin1StringEncoding allowLossyConversion:YES]
                                               encoding: NSUTF8StringEncoding];
        
        NSCharacterSet *charSet = [NSCharacterSet characterSetWithCharactersInString:@"-"];
        
        NSArray *stringArray = [self.decodedString componentsSeparatedByCharactersInSet:charSet];
        NSString *title = [stringArray objectAtIndex:0];
        NSString *artist = [stringArray lastObject];
        
        self.metaTrackName.text = _decodedString;
        
        
        [[ItunesSearch sharedInstance] getTrackWithName:title artist:artist album:nil limitOrNil:@1 successHandler:^(NSArray *result) {
            
            if ([result count] == 0) {
                
                NSMutableDictionary *songInfo = [[NSMutableDictionary alloc] init];
                
                [songInfo setObject:self.metaTrackName.text forKey:MPMediaItemPropertyTitle];
                [songInfo setObject:@"" forKey:MPMediaItemPropertyAlbumTitle];
                MPMediaItemArtwork *imageArt = [[MPMediaItemArtwork alloc] initWithImage:[UIImage imageNamed:@"placeholder"]];
                [songInfo setObject:imageArt forKey:MPMediaItemPropertyArtwork];
                
                [[MPNowPlayingInfoCenter defaultCenter] setNowPlayingInfo:songInfo];
                
            }
            
            else
                
            {
            
            NSDictionary *song = [result objectAtIndex:0];
            NSString *artworkURL = [song objectForKey:@"artworkUrl100"];
            
            NSString *bigArtworkURLString = [artworkURL stringByReplacingOccurrencesOfString:@"100x100-75"
                                          withString:@"1200x1200-75"];
            NSURL *bigArtworkURL = [NSURL URLWithString:bigArtworkURLString];
            
                [[SDWebImageDownloader sharedDownloader] downloadImageWithURL:bigArtworkURL options:SDWebImageDownloaderUseNSURLCache progress:^(NSInteger receivedSize, NSInteger expectedSize) {
                    
                } completed:^(UIImage *image, NSData *data, NSError *error, BOOL finished) {
                    
                    NSMutableDictionary *songInfo = [[NSMutableDictionary alloc] init];
                    
                    [songInfo setObject:self.metaTrackName.text forKey:MPMediaItemPropertyTitle];
                    //[songInfo setObject:self.currentRadioStationString forKey:MPMediaItemPropertyArtist];
                    [songInfo setObject:@"" forKey:MPMediaItemPropertyAlbumTitle];
                    MPMediaItemArtwork *imageArt = [[MPMediaItemArtwork alloc] initWithImage:image];
                    [songInfo setObject:imageArt forKey:MPMediaItemPropertyArtwork];
                    
                    [[MPNowPlayingInfoCenter defaultCenter] setNowPlayingInfo:songInfo];
                }];
            }
            
        } failureHandler:^(NSError *error) {
            NSLog(@"%@",error);
        }];
        
    }
}