My Events (Very buggy)

app/src/main/java/in/ac/iitb/gymkhana/iitbapp/SessionManager.java

@@ -9,7 +9,7 @@ import android.util.Log;
 import in.ac.iitb.gymkhana.iitbapp.data.User;
 
 public class SessionManager {
-    SharedPreferences pref;
+    public SharedPreferences pref;
     Editor editor;
     Context context;
     int PRIVATE_MODE = 0;

app/src/main/java/in/ac/iitb/gymkhana/iitbapp/fragment/MyEventsFragment.java

 package in.ac.iitb.gymkhana.iitbapp.fragment;
 
 
+import android.app.Activity;
+import android.os.AsyncTask;
 import android.os.Bundle;
 import android.support.design.widget.FloatingActionButton;
 import android.support.v4.app.Fragment;
+import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentTransaction;
+import android.support.v4.widget.SwipeRefreshLayout;
+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 android.widget.Toast;
 
+import com.google.gson.Gson;
+
+import java.util.List;
+
+import in.ac.iitb.gymkhana.iitbapp.ActivityBuffer;
+import in.ac.iitb.gymkhana.iitbapp.Constants;
+import in.ac.iitb.gymkhana.iitbapp.ItemClickListener;
 import in.ac.iitb.gymkhana.iitbapp.R;
+import in.ac.iitb.gymkhana.iitbapp.adapter.FeedAdapter;
+import in.ac.iitb.gymkhana.iitbapp.api.RetrofitInterface;
+import in.ac.iitb.gymkhana.iitbapp.api.ServiceGenerator;
+import in.ac.iitb.gymkhana.iitbapp.api.model.NewsFeedResponse;
+import in.ac.iitb.gymkhana.iitbapp.data.AppDatabase;
+import in.ac.iitb.gymkhana.iitbapp.data.Event;
+import in.ac.iitb.gymkhana.iitbapp.SessionManager;
+import in.ac.iitb.gymkhana.iitbapp.data.User;
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
 
 /**
  * A simple {@link Fragment} subclass.
  */
 public class MyEventsFragment extends BaseFragment {
 
-    FloatingActionButton fab;
+    private RecyclerView feedRecyclerView;
+    private SwipeRefreshLayout feedSwipeRefreshLayout;
+    private AppDatabase appDatabase;
+    private FloatingActionButton fab;
+    public User currentuser;
+    public SessionManager session;
 
     public MyEventsFragment() {
         // Required empty public constructor
     }
 
-
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
                              Bundle savedInstanceState) {
-        // Inflate the layout for this fragment
         View view = inflater.inflate(R.layout.fragment_my_events, container, false);
 
-
         fab = (FloatingActionButton) view.findViewById(R.id.fab);
 
         fab.setOnClickListener(new View.OnClickListener() {
@@ -44,7 +71,85 @@ public class MyEventsFragment extends BaseFragment {
             }
         });
         return view;
+    }
+
+    @Override
+    public void onStart() {
+        super.onStart();
+        session = new SessionManager(getContext());
+        currentuser = User.fromString(session.pref.getString(Constants.CURRENT_USER, "Error"));
+        appDatabase = AppDatabase.getAppDatabase(getContext());
+        new showEvents().execute();
 
+        feedSwipeRefreshLayout = getActivity().findViewById(R.id.feed_swipe_refresh_layout);
+        feedSwipeRefreshLayout.setOnRefreshListener(new SwipeRefreshLayout.OnRefreshListener() {
+            @Override
+            public void onRefresh() {
+                update();
+                feedSwipeRefreshLayout.setRefreshing(false);
+            }
+        });
     }
 
+    private void update(){
+        List<Event> temp =  appDatabase.dbDao().getAllEvents();
+        List<Event> eve ;
+        eve = currentuser.getUserGoingEvents();
+        eve.clear();
+        int k= temp.size();
+        for(int i=0; i<k; i++)
+        { if (temp.get(i).getEventUserUes() != 0) eve.add(temp.get(i)); }
+        displayEvents(eve);
+
+    }
+
+    private class showEvents extends AsyncTask<String, Void, List<Event>> {
+
+        @Override
+        protected List<Event> doInBackground(String... events) {
+      //      ev = currentuser.getUserGoingEvents();
+      //      ev.addAll(currentuser.getUserInterestedEvents());
+      //      return ev;
+           List<Event> temp =  appDatabase.dbDao().getAllEvents();
+            List<Event> eve ; eve = currentuser.getUserGoingEvents(); eve.clear();
+            int k= temp.size();
+            for(int i=0; i<k; i++)
+            { if (temp.get(i).getEventUserUes() != 0) eve.add(temp.get(i)); }
+            return eve;
+        }
+        protected void onPostExecute(List<Event> result) {
+            displayEvents(result);
+        }
+    }
+
+    private void displayEvents(final List<Event> events) {
+        final FeedAdapter feedAdapter = new FeedAdapter(events, new ItemClickListener() {
+            @Override
+            public void onItemClick(View v, int position) {
+                String eventJson = new Gson().toJson(events.get(position));
+                Bundle bundle = getArguments();
+                if (bundle == null)
+                    bundle = new Bundle();
+                bundle.putString(Constants.EVENT_JSON, eventJson);
+                EventFragment eventFragment = new EventFragment();
+                eventFragment.setArguments(bundle);
+                FragmentManager manager = getActivity().getSupportFragmentManager();
+                FragmentTransaction transaction = manager.beginTransaction();
+                transaction.replace(R.id.framelayout_for_fragment, eventFragment, eventFragment.getTag());
+                transaction.addToBackStack(eventFragment.getTag()).commit();
+            }
+        });
+        getActivityBuffer().safely(new ActivityBuffer.IRunnable() {
+            @Override
+            public void run(Activity pActivity) {
+                try {
+                    feedRecyclerView = getActivity().findViewById(R.id.feed_recycler_view);
+                    feedRecyclerView.setAdapter(feedAdapter);
+                    feedRecyclerView.setLayoutManager(new LinearLayoutManager(getContext()));
+                } catch (NullPointerException e) {
+                    e.printStackTrace();
+                }
+            }
+        });
+    }
 }
\ No newline at end of file

app/src/main/res/layout/fragment_my_events.xml

 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     android:id="@+id/relative_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
+    <android.support.v4.widget.SwipeRefreshLayout
+        android:id="@+id/feed_swipe_refresh_layout"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        tools:context="in.ac.iitb.gymkhana.iitbapp.fragment.MyEventsFragment">
+
+        <android.support.v7.widget.RecyclerView
+            android:id="@+id/feed_recycler_view"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:paddingTop="8dp" />
+
+    </android.support.v4.widget.SwipeRefreshLayout>
+
     <android.support.design.widget.FloatingActionButton
         android:id="@+id/fab"
         android:layout_width="wrap_content"