different_loaders.m

    [Socialize setEntityLoaderBlock:^(UINavigationController *navigationController, id<SocializeEntity>entity) {
        if ([[entity key] isEqualToString:@"key1"]) {
            Loader1 *loader1 = [[[Loader1 alloc] initWithEntity:entity] autorelease];
            [navigationController pushViewController:loader1 animated:YES];
        } else if ([[entity key] isEqualToString:@"key2"]) {
            Loader2 *loader2 = [[[Loader1 alloc] initWithEntity:entity] autorelease];
            [navigationController pushViewController:loader2 animated:YES];
        }
    }];