TwitterFragment.java

package org.smartpaws.fragments;

import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import org.smartpaws.MainActivity;
import org.smartpaws.R;
import org.smartpaws.net.DataMan;
import org.smartpaws.net.ResponseHandler;
import org.smartpaws.net.TwitterData;
import org.smartpaws.objects.Convention;
import org.smartpaws.objects.transform.Sort;
import org.smartpaws.objects.twitter.Tweet;
import org.smartpaws.recycler.TwitterRecyclerView;
import org.smartpaws.util.DividerItemDecoration;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class TwitterFragment extends Fragment {

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        final int containerId = getArguments().getInt("container_id");
        final View loading = inflater.inflate(R.layout.frag_loading, null);

        DataMan.getConvention("confuzzled", new ResponseHandler<Convention>() {
            @Override
            public void result(Convention result) {
                if (result == null) {
                    MainActivity.INSTANCE.getSupportFragmentManager()
                            .beginTransaction()
                            .replace(containerId, new ErrorOfflineFragment())
                            .commit();
                    return;
                }

                final Fragment fragment = new TwitterContentFragment();
                final Bundle bundle = new Bundle();
                fragment.setArguments(bundle);

                TwitterData.getTweets(result.getTwitterAuthEncoded(), result.getTwitterAccounts(), new ResponseHandler<Tweet[]>() {
                    @Override
                    public void result(Tweet[] tweets) {
                        if (tweets == null) {
                            MainActivity.INSTANCE.getSupportFragmentManager()
                                    .beginTransaction()
                                    .replace(containerId, new ErrorOfflineFragment())
                                    .commit();
                            return;
                        }
                        bundle.putSerializable("tweets", tweets);

                        MainActivity.INSTANCE.getSupportFragmentManager()
                                .beginTransaction()
                                .replace(containerId, fragment)
                                .commit();
                    }
                });
            }
        });

        return loading;
    }

    public static class TwitterContentFragment extends Fragment {
        @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
            Tweet[] tweets = (Tweet[]) getArguments().getSerializable("tweets");

            final View root = inflater.inflate(R.layout.frag_twitter, null);
            final RecyclerView recycler = (RecyclerView) root.findViewById(R.id.twitterList);

            recycler.setAdapter(new TwitterRecyclerView(root.getContext(), tweets));
            recycler.invalidate();

            recycler.addItemDecoration(new DividerItemDecoration(getActivity(), DividerItemDecoration.VERTICAL_LIST));
            recycler.setHasFixedSize(true);
            LinearLayoutManager llm = new LinearLayoutManager(root.getContext());
            llm.setOrientation(LinearLayoutManager.VERTICAL);
            recycler.setLayoutManager(llm);

            return root;
        }
    }
}