merge

37 files changed, 1038 insertions, 257 deletions

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 58a53b3..d572cc5 100755
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -12,11 +12,6 @@
         <activity
             android:name="org.rssin.android.UnifiedInboxActivity"
             android:label="@string/title_activity_unifiedinbox" >
-            <intent-filter android:label="@string/app_name" >
-                <action android:name="android.intent.action.MAIN" />
-
-                <category android:name="android.intent.category.LAUNCHER" />
-            </intent-filter>
         </activity>
         <activity
             android:name="org.rssin.android.SettingsActivity"
@@ -57,6 +52,15 @@
             android:name="org.rssin.android.ArticleActivity"
             android:label="@string/title_activity_article" >
         </activity>
+        <activity
+            android:name="org.rssin.android.HomeScreenActivity"
+            android:label="@string/title_activity_home_screen" >
+            <intent-filter android:label="@string/app_name" >
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
     </application>
 
 </manifest>
diff --git a/app/src/main/java/org/rssin/android/ArticleActivity.java b/app/src/main/java/org/rssin/android/ArticleActivity.java
index 2e5460c..7d9fa2b 100755
--- a/app/src/main/java/org/rssin/android/ArticleActivity.java
+++ b/app/src/main/java/org/rssin/android/ArticleActivity.java
@@ -24,18 +24,35 @@ public class ArticleActivity extends ActionBarActivity {
         Intent intent = getIntent();
         Bundle arguments = intent.getExtras();
         container = (SortedFeedItemContainer) arguments.getSerializable("item");
-        FeedItem item = container.getFeeditem();
+        try {
+            FeedItem item = container.getFeeditem();
 
-        TextView title = (TextView) findViewById(R.id.article_title);
-        title.setText(item.getTitle());
-        TextView description = (TextView) findViewById(R.id.article_description);
-        description.setText(Html.fromHtml(item.getDescription()));
-        TextView author = (TextView) findViewById(R.id.article_author);
-        author.setText("Written by: " + item.getAuthor());
-        TextView date = (TextView) findViewById(R.id.article_date);
-        date.setText("Published on: " + item.getPubDate().toString());
+            TextView title = (TextView) findViewById(R.id.article_title);
+            title.setText(item.getTitle());
+            setTitle(item.getTitle());
 
-        new Thread(new FeedSorterTrainer(container.getSorter())).start();
+            TextView description = (TextView) findViewById(R.id.article_description);
+            description.setText(Html.fromHtml(item.getDescription()));
+
+            TextView author = (TextView) findViewById(R.id.article_author);
+            if (item.getAuthor() != null) {
+                author.setText(getResources().getString(R.string.article_author) + " " + item.getAuthor());
+            } else {
+                author.setText(R.string.article_author_unknown);
+            }
+
+            TextView date = (TextView) findViewById(R.id.article_date);
+            if (item.getPubDate() != null) {
+                date.setText(getResources().getString(R.string.article_published_on) + " " + item.getPubDate().toString());
+            } else {
+                date.setText(R.string.article_published_on_unknown);
+            }
+
+            new Thread(new FeedSorterTrainer(container.getSorter())).start();
+        } catch (NullPointerException e) {
+            Frontend.error(this, R.string.error_load_article, e);
+            finish();
+        }
     }
 
     @Override
diff --git a/app/src/main/java/org/rssin/android/FilterActivity.java b/app/src/main/java/org/rssin/android/FilterActivity.java
index 5003cfb..189fd55 100755
--- a/app/src/main/java/org/rssin/android/FilterActivity.java
+++ b/app/src/main/java/org/rssin/android/FilterActivity.java
@@ -45,7 +45,7 @@ public class FilterActivity extends ActionBarActivity {
 
         // @todo Check on -1? Shouldn't happen anyway.
         filter = filtersList.getFilterFromHashCode(filterHashCode);
-        filter.ensureFeedSorter(DefaultStorageProvider.getInstance(this));
+        filter.ensureFeedSorter(InternalStorageProvider.getInstance(this));
 
         setTitle(filter.getTitle());
 
@@ -90,7 +90,7 @@ public class FilterActivity extends ActionBarActivity {
     protected void onDestroy() {
         super.onDestroy();
         try {
-            filter.storeFeedSorter(DefaultStorageProvider.getInstance(this));
+            filter.storeFeedSorter(InternalStorageProvider.getInstance(this));
         } catch (Exception e) {
             Frontend.warning(this, R.string.error_save_feedsorter, e);
         }
diff --git a/app/src/main/java/org/rssin/android/FilterSettingsActivity.java b/app/src/main/java/org/rssin/android/FilterSettingsActivity.java
index 296d2e5..931a86c 100755
--- a/app/src/main/java/org/rssin/android/FilterSettingsActivity.java
+++ b/app/src/main/java/org/rssin/android/FilterSettingsActivity.java
@@ -18,9 +18,11 @@ import android.view.View;
 import android.view.ViewGroup;
 import android.view.WindowManager;
 import android.widget.AdapterView;
+import android.widget.CheckBox;
 import android.widget.EditText;
 import android.widget.LinearLayout;
 import android.widget.ListView;
+import android.widget.RelativeLayout;
 import android.widget.TextView;
 
 import org.rssin.rssin.Feed;
@@ -55,6 +57,82 @@ public class FilterSettingsActivity extends ActionBarActivity {
         filter = filtersList.getFilterFromHashCode(filterHashCode);
 
         setTitle();
+
+        try {
+            setupFeedsList();
+        } catch (IOException e) {
+            Frontend.error(this, R.string.error_load_feeds, e);
+        }
+    }
+
+    /**
+     * Setup the list of feeds
+     * @throws IOException
+     */
+    protected void setupFeedsList() throws IOException {
+        final FeedAdapter feedAdapter = new FeedAdapter(
+                this,
+                R.layout.item_filter_settings_feed,
+                FeedsList.getInstance(this).getFeeds(),
+                filter);
+
+        final ListView feedsListView = (ListView) findViewById(R.id.filter_settings_feeds_list);
+        feedsListView.setAdapter(feedAdapter);
+
+        feedsListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
+            @Override
+            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+                Feed feed = feedAdapter.getItem(position);
+                List<Integer> hashCodes = filter.getFeedHashCodes();
+                if (hashCodes.contains(feed.hashCode())) {
+                    hashCodes.remove((Integer) feed.hashCode());
+                } else {
+                    hashCodes.add(feed.hashCode());
+                }
+                try {
+                    filter.store(DefaultStorageProvider.getInstance());
+                    feedAdapter.notifyDataSetChanged();
+                } catch (Exception e) {
+                    Frontend.error(getBaseContext(), R.string.error_save_filters, e);
+                    filter.getFeeds().add(feed);
+                }
+            }
+        });
+
+        /**
+         * @todo Allow users to enter links without scheme (http:// ...)
+         */
+        findViewById(R.id.filter_settings_add_feed_button).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                EditText editText = (EditText) findViewById(R.id.filter_settings_add_feed);
+                String value = editText.getText().toString();
+                try {
+                    URL url = new URL(value);
+                    Feed feed = new Feed(url);
+                    try {
+                        feed.store(DefaultStorageProvider.getInstance());
+                        FeedsList.getInstance().getFeeds().add(feed);
+                        filter.getFeedHashCodes().add(feed.hashCode());
+
+                        try {
+                            filter.store(DefaultStorageProvider.getInstance());
+                            feed.store(DefaultStorageProvider.getInstance());
+                            feedAdapter.notifyDataSetChanged();
+                            editText.setText("");
+                        } catch (Exception e) {
+                            Frontend.error(getBaseContext(), R.string.error_save_filters, e);
+                            filter.getFeeds().remove(feed);
+                        }
+                    } catch (Exception e) {
+                        Frontend.error(getBaseContext(), R.string.error_save_feeds, e);
+                        FeedsList.getInstance().getFeeds().remove(feed);
+                    }
+                } catch (MalformedURLException e) {
+                    Frontend.info(getBaseContext(), R.string.error_invalid_url, e);
+                }
+            }
+        });
     }
 
     @Override
@@ -68,9 +146,6 @@ public class FilterSettingsActivity extends ActionBarActivity {
         int id = item.getItemId();
 
         switch (id) {
-            case R.id.filter_settings_action_feeds:
-                openFeedsDialog();
-                return true;
             case R.id.filter_settings_action_title:
                 openTitleDialog();
                 return true;
@@ -98,17 +173,6 @@ public class FilterSettingsActivity extends ActionBarActivity {
     }
 
     /**
-     * Open dialog to edit feeds
-     */
-    public void openFeedsDialog() {
-        FeedsDialogFragment f = new FeedsDialogFragment();
-        Bundle bundle = new Bundle();
-        bundle.putInt("filter", filter.hashCode());
-        f.setArguments(bundle);
-        f.show(getFragmentManager(), "");
-    }
-
-    /**
      * Open dialog to edit title
      * For the moment, we temporarily disable rotating because we can't get it working otherwise.
      * @todo make rotating possible
@@ -160,148 +224,58 @@ public class FilterSettingsActivity extends ActionBarActivity {
     }
 
     /**
-     * Custom Dialog to display & edit feeds
+     * Custom ArrayAdapter to display feeds
      */
-    public static class FeedsDialogFragment extends DialogFragment {
-        @Override
-        public Dialog onCreateDialog(Bundle savedInstanceState) {
-            final View view = getActivity().getLayoutInflater().inflate(R.layout.fragment_filter_settings_feeds, null);
-
-            final FiltersList filtersList = FiltersList.getInstance();
-            final Filter filter = filtersList.getFilterFromHashCode(getArguments().getInt("filter"));
-
-            try {
-                final FeedAdapter feedAdapter = new FeedAdapter(
-                        getActivity(),
-                        R.layout.item_filter_settings_feed,
-                        FeedsList.getInstance(getActivity()).getFeeds(),
-                        filter);
-
-                ListView feedsListView = (ListView) view.findViewById(R.id.filter_settings_feeds_list);
-                feedsListView.setAdapter(feedAdapter);
-
-                /**
-                 * @todo nicer selected feed layout
-                 * @todo deselecting feeds doesn't work
-                 */
-                feedsListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
-                    @Override
-                    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
-                        Feed feed = feedAdapter.getItem(position);
-                        List<Integer> hashCodes = filter.getFeedHashCodes();
-                        if (hashCodes.contains(feed.hashCode())) {
-                            hashCodes.remove(Integer.valueOf(feed.hashCode()));
-                        } else {
-                            hashCodes.add(feed.hashCode());
-                        }
-                        try {
-                            filter.store(DefaultStorageProvider.getInstance());
-                            feedAdapter.notifyDataSetChanged();
-                        } catch (Exception e) {
-                            Frontend.error(getActivity(), R.string.error_save_filters, e);
-                            filter.getFeeds().add(feed);
-                        }
-                    }
-                });
+    private static class FeedAdapter extends SortedArrayAdapter<Feed> {
+
+        Context context;
+        int layoutResourceId;
+        Filter filter;
+
+        public FeedAdapter(Context context, int resource, List<Feed> objects, Filter filter) {
+            super(context, resource, objects);
+            this.context = context;
+            layoutResourceId = resource;
+            items = objects;
+            this.filter = filter;
+        }
 
-                view.findViewById(R.id.filter_settings_add_feed_button).setOnClickListener(new View.OnClickListener() {
-                    @Override
-                    public void onClick(View v) {
-                        EditText editText = (EditText) view.findViewById(R.id.filter_settings_add_feed);
-                        String value = editText.getText().toString();
-                        try {
-                            URL url = new URL(value);
-                            Feed feed = new Feed(url);
-                            try {
-                                feed.store(DefaultStorageProvider.getInstance());
-                                FeedsList.getInstance().getFeeds().add(feed);
-                                filter.getFeedHashCodes().add(feed.hashCode());
-
-                                try {
-                                    filter.store(DefaultStorageProvider.getInstance());
-                                    feed.store(DefaultStorageProvider.getInstance());
-                                    feedAdapter.notifyDataSetChanged();
-                                    editText.setText("");
-                                } catch (Exception e) {
-                                    Frontend.error(getActivity(), R.string.error_save_filters, e);
-                                    filter.getFeeds().remove(feed);
-                                }
-                            } catch (Exception e) {
-                                Frontend.error(getActivity(), R.string.error_save_feeds, e);
-                                FeedsList.getInstance().getFeeds().remove(feed);
-                            }
-                        } catch (MalformedURLException e) {
-                            Frontend.info(getActivity(), R.string.error_invalid_url, e);
-                        }
-                    }
-                });
+        @Override
+        public View getView(int position, View convertView, ViewGroup parent) {
+            View row = convertView;
+            FeedHolder holder;
+
+            if (row == null) {
+                LayoutInflater inflater = ((Activity) context).getLayoutInflater();
+                row = inflater.inflate(layoutResourceId, parent, false);
+
+                holder = new FeedHolder();
+                holder.layout = (RelativeLayout) row.findViewById(R.id.filter_settings_feed_item);
+                holder.title = (TextView) row.findViewById(R.id.filter_settings_feed_item_title);
+                holder.url = (TextView) row.findViewById(R.id.filter_settings_feed_item_url);
+                holder.checkBox = (CheckBox) row.findViewById(R.id.filter_settings_feed_item_checkbox);
+
+                row.setTag(holder);
+            } else {
+                holder = (FeedHolder) row.getTag();
+            }
 
-                AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
-                builder.setMessage(R.string.filter_settings_feeds).setPositiveButton(R.string.button_ok, null);
-                builder.setView(view);
+            Feed feed = items.get(position);
+            holder.title.setText(feed.getTitle());
+            holder.url.setText(feed.getURL().toString());
+            holder.checkBox.setChecked(filter.getFeedHashCodes().contains(feed.hashCode()));
 
-                return builder.create();
-            } catch (IOException e) {
-                dismiss();
-                Frontend.error(getActivity(), R.string.error_load_feeds, e);
-                return null;
-            }
+            return row;
         }
 
         /**
-         * Custom ArrayAdapter to display feeds
+         * TextViews holder
          */
-        private static class FeedAdapter extends SortedArrayAdapter<Feed> {
-
-            Context context;
-            int layoutResourceId;
-            Filter filter;
-
-            public FeedAdapter(Context context, int resource, List<Feed> objects, Filter filter) {
-                super(context, resource, objects);
-                this.context = context;
-                layoutResourceId = resource;
-                items = objects;
-                this.filter = filter;
-            }
-
-            @Override
-            public View getView(int position, View convertView, ViewGroup parent) {
-                View row = convertView;
-                FeedHolder holder;
-
-                if (row == null) {
-                    LayoutInflater inflater = ((Activity) context).getLayoutInflater();
-                    row = inflater.inflate(layoutResourceId, parent, false);
-
-                    holder = new FeedHolder();
-                    holder.layout = (LinearLayout) row.findViewById(R.id.filter_settings_feed_item);
-                    holder.title = (TextView) row.findViewById(R.id.filter_settings_feed_item_title);
-                    holder.url = (TextView) row.findViewById(R.id.filter_settings_feed_item_url);
-
-                    row.setTag(holder);
-                } else {
-                    holder = (FeedHolder) row.getTag();
-                }
-
-                Feed feed = items.get(position);
-                holder.title.setText(feed.getTitle());
-                holder.url.setText(feed.getURL().toString());
-                if (filter.getFeedHashCodes().contains(feed.hashCode())) {
-                    holder.layout.setBackgroundColor(Color.RED);
-                }
-
-                return row;
-            }
-
-            /**
-             * TextViews holder
-             */
-            private static class FeedHolder {
-                LinearLayout layout;
-                TextView title;
-                TextView url;
-            }
+        private static class FeedHolder {
+            RelativeLayout layout;
+            TextView title;
+            TextView url;
+            CheckBox checkBox;
         }
     }
 
diff --git a/app/src/main/java/org/rssin/android/HomeScreenActivity.java b/app/src/main/java/org/rssin/android/HomeScreenActivity.java
new file mode 100755
index 0000000..ebcf180
--- /dev/null
+++ b/app/src/main/java/org/rssin/android/HomeScreenActivity.java
@@ -0,0 +1,200 @@
+package org.rssin.android;

+

+import android.app.Activity;

+import android.content.Context;

+import android.content.Intent;

+import android.support.v7.app.ActionBarActivity;

+import android.support.v7.app.ActionBar;

+import android.support.v4.app.Fragment;

+import android.support.v4.app.FragmentManager;

+import android.os.Bundle;

+import android.support.v7.widget.LinearLayoutManager;

+import android.support.v7.widget.RecyclerView;

+import android.view.LayoutInflater;

+import android.view.Menu;

+import android.view.MenuItem;

+import android.view.View;

+import android.view.ViewGroup;

+import android.support.v4.widget.DrawerLayout;

+

+import com.android.volley.VolleyError;

+

+import org.rssin.listener.FallibleListener;

+import org.rssin.rssin.Filter;

+import org.rssin.rssin.R;

+import org.rssin.rssin.SortedFeedItemContainer;

+import org.rssin.rssin.UnifiedFilterLoader;

+

+import java.io.IOException;

+import java.util.List;

+

+

+public class HomeScreenActivity extends ActionBarActivity

+        implements NavigationDrawerFragment.NavigationDrawerCallbacks {

+

+    /**

+     * Fragment managing the behaviors, interactions and presentation of the navigation drawer.

+     */

+    private NavigationDrawerFragment mNavigationDrawerFragment;

+

+    /**

+     * Used to store the last screen title. For use in {@link #restoreActionBar()}.

+     */

+    private CharSequence mTitle;

+

+    @Override

+    protected void onCreate(Bundle savedInstanceState) {

+        super.onCreate(savedInstanceState);

+        setContentView(R.layout.activity_home_screen);

+

+        mNavigationDrawerFragment = (NavigationDrawerFragment)

+                getSupportFragmentManager().findFragmentById(R.id.navigation_drawer);

+        mTitle = getTitle();

+

+        // Set up the drawer.

+        mNavigationDrawerFragment.setUp(

+                R.id.navigation_drawer,

+                (DrawerLayout) findViewById(R.id.drawer_layout));

+    }

+

+    @Override

+    public void onNavigationDrawerItemSelected(int position) {

+        // update the main content by replacing fragments

+        FragmentManager fragmentManager = getSupportFragmentManager();

+        fragmentManager.beginTransaction()

+                .replace(R.id.container, PlaceholderFragment.newInstance(position + 1))

+                .commit();

+    }

+

+    public void onSectionAttached(int number) {

+        switch (number) {

+            case 1:

+                mTitle = getString(R.string.title_section1);

+                break;

+            case 2:

+                mTitle = getString(R.string.title_section2);

+                break;

+            case 3:

+                mTitle = getString(R.string.title_section3);

+                break;

+            default:

+                mTitle = "ERROR";

+                break;

+        }

+    }

+

+    public void restoreActionBar() {

+        ActionBar actionBar = getSupportActionBar();

+        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);

+        actionBar.setDisplayShowTitleEnabled(true);

+        actionBar.setTitle(mTitle);

+    }

+

+    @Override

+    public boolean onCreateOptionsMenu(Menu menu) {

+        if (!mNavigationDrawerFragment.isDrawerOpen()) {

+            // Only show items in the action bar relevant to this screen

+            // if the drawer is not showing. Otherwise, let the drawer

+            // decide what to show in the action bar.

+            getMenuInflater().inflate(R.menu.home_screen, menu);

+            restoreActionBar();

+            return true;

+        }

+        return super.onCreateOptionsMenu(menu);

+    }

+

+    @Override

+    public boolean onOptionsItemSelected(MenuItem item) {

+        // Handle action bar item clicks here. The action bar will

+        // automatically handle clicks on the Home/Up button, so long

+        // as you specify a parent activity in AndroidManifest.xml.

+        int id = item.getItemId();

+

+        //noinspection SimplifiableIfStatement

+        if (id == R.id.action_settings) {

+            Intent intent = new Intent(this, UnifiedInboxActivity.class);

+            startActivity(intent);

+        }

+

+        return super.onOptionsItemSelected(item);

+    }

+

+    /**

+     * A placeholder fragment containing a simple view.

+     */

+    public static class PlaceholderFragment extends Fragment {

+        /**

+         * The fragment argument representing the section number for this

+         * fragment.

+         */

+        private static final String ARG_SECTION_NUMBER = "section_number";

+

+        /**

+         * Returns a new instance of this fragment for the given section

+         * number.

+         */

+        public static PlaceholderFragment newInstance(int sectionNumber) {

+            PlaceholderFragment fragment = new PlaceholderFragment();

+            Bundle args = new Bundle();

+            args.putInt(ARG_SECTION_NUMBER, sectionNumber);

+            fragment.setArguments(args);

+            return fragment;

+        }

+

+        public PlaceholderFragment() {

+        }

+

+        @Override

+        public View onCreateView(LayoutInflater inflater, ViewGroup container,

+                                 Bundle savedInstanceState) {

+            final View rootView = inflater.inflate(R.layout.fragment_home_screen, container, false);

+            final RecyclerView mRecyclerView = (RecyclerView) rootView.findViewById(R.id.unified_inbox_feeditems);

+            final Context context = mRecyclerView.getContext();

+            RecyclerView.LayoutManager mLayoutManager = new LinearLayoutManager(context);

+            mRecyclerView.setLayoutManager(mLayoutManager);

+

+            try {

+                FiltersList filtersList = FiltersList.getInstance(context);

+

+                for(Filter filter : filtersList.getFilters()) {

+                    filter.ensureFeedSorter(DefaultStorageProvider.getInstance(context));

+                    filter.ensureFeeds(DefaultStorageProvider.getInstance(context));

+                }

+

+                /**

+                 * @todo Load feeds in separate thread so that the UI is immediately available

+                 *

+                 * @todo Now, feed items are only returned after *all* feeds have been loaded. With many

+                 * filters that may take a while, so it would be preferable to return intermediate

+                 * results. We could do this for example with {@link org.rssin.listener.RealtimeListener}

+                 */

+                UnifiedFilterLoader loaderAndSorter = new UnifiedFilterLoader(filtersList.getFilters());

+                loaderAndSorter.getFilteredFeedItems(new VolleyFetcher(context), new FallibleListener<List<SortedFeedItemContainer>, VolleyError>() {

+                    @Override

+                    public void onReceive(List<SortedFeedItemContainer> data) {

+                        FeedItemAdapter feedItemAdapter = new FeedItemAdapter(data);

+                        mRecyclerView.setAdapter(feedItemAdapter);

+                        mRecyclerView.setHasFixedSize(true);

+                    }

+

+                    @Override

+                    public void onError(VolleyError error) {

+                        Frontend.error(context, R.string.error_net_load);

+                    }

+                });

+            } catch (IOException e) {

+                Frontend.error(context, R.string.error_load_filters, e);

+            }

+

+            return rootView;

+        }

+

+        @Override

+        public void onAttach(Activity activity) {

+            super.onAttach(activity);

+            ((HomeScreenActivity) activity).onSectionAttached(

+                    getArguments().getInt(ARG_SECTION_NUMBER));

+        }

+    }

+

+}

diff --git a/app/src/main/java/org/rssin/android/NavigationDrawerAdapter.java b/app/src/main/java/org/rssin/android/NavigationDrawerAdapter.java
new file mode 100755
index 0000000..d2e58ce
--- /dev/null
+++ b/app/src/main/java/org/rssin/android/NavigationDrawerAdapter.java
@@ -0,0 +1,118 @@
+package org.rssin.android;

+

+import android.database.DataSetObserver;

+import android.view.LayoutInflater;

+import android.view.View;

+import android.view.ViewGroup;

+import android.widget.ListAdapter;

+import android.widget.TextView;

+

+import org.rssin.rssin.R;

+

+/**

+ * @author Jos.

+ */

+class NavigationDrawerAdapter implements ListAdapter {

+    private static final int ITEM_VIEW_TYPE_VIDEO = 0;

+    private static final int ITEM_VIEW_TYPE_SEPARATOR = 1;

+    private static final int ITEM_VIEW_TYPE_COUNT = 2;

+    private final Object[] menuItems = new Object[] {

+            "MAIN",

+            new MenuItemHolder("Text 1"),

+            "FILTERS",

+            new MenuItemHolder("Text 1"),

+            "FEEDS",

+            new MenuItemHolder("Lorem ipsum"),

+            new MenuItemHolder("Dolor sit amet"),

+            new MenuItemHolder("Text 1"),

+            new MenuItemHolder("Text 1"),

+            new MenuItemHolder("Text Text Text"),

+            new MenuItemHolder("Even more text"),

+    };

+

+    @Override

+    public boolean areAllItemsEnabled() {

+        return false;

+    }

+

+    @Override

+    public boolean isEnabled(int position) {

+        return getItemViewType(position) != ITEM_VIEW_TYPE_SEPARATOR;

+    }

+

+    @Override

+    public void registerDataSetObserver(DataSetObserver observer) {

+

+    }

+

+    @Override

+    public void unregisterDataSetObserver(DataSetObserver observer) {

+

+    }

+

+    @Override

+    public int getCount() {

+        return menuItems.length;

+    }

+

+    @Override

+    public Object getItem(int position) {

+        return menuItems[position];

+    }

+

+    @Override

+    public long getItemId(int position) {

+        return position;

+    }

+

+    @Override

+    public boolean hasStableIds() {

+        return false;

+    }

+

+    @Override

+    public View getView(int position, View convertView, ViewGroup parent) {

+        final int type = getItemViewType(position);

+

+        // First, let's create a new convertView if needed. You can also

+        // create a ViewHolder to speed up changes if you want ;)

+        if (convertView == null) {

+            convertView = LayoutInflater.from(parent.getContext()).inflate(

+                    type == ITEM_VIEW_TYPE_SEPARATOR ? R.layout.separator_navigation_drawer : R.layout.item_navigation_drawer, parent, false);

+        }

+

+        // We can now fill the list item view with the appropriate data.

+        if (type == ITEM_VIEW_TYPE_SEPARATOR) {

+            ((TextView) convertView.findViewById(R.id.separator_navigation_drawer_text)).setText((String) getItem(position));

+        } else {

+            final MenuItemHolder video = (MenuItemHolder) getItem(position);

+            ((TextView) convertView.findViewById(R.id.item_navigation_drawer_text)).setText(video.text);

+        }

+

+        return convertView;

+    }

+

+    @Override

+    public int getItemViewType(int position) {

+        return (menuItems[position] instanceof String) ? ITEM_VIEW_TYPE_SEPARATOR : ITEM_VIEW_TYPE_VIDEO;

+    }

+

+    @Override

+    public int getViewTypeCount() {

+        return ITEM_VIEW_TYPE_COUNT;

+    }

+

+    @Override

+    public boolean isEmpty() {

+        return false;

+    }

+

+    class MenuItemHolder

+    {

+        private String text;

+        public MenuItemHolder(String text)

+        {

+            this.text = text;

+        }

+    }

+}

diff --git a/app/src/main/java/org/rssin/android/NavigationDrawerFragment.java b/app/src/main/java/org/rssin/android/NavigationDrawerFragment.java
new file mode 100755
index 0000000..8ad0ca9
--- /dev/null
+++ b/app/src/main/java/org/rssin/android/NavigationDrawerFragment.java
@@ -0,0 +1,280 @@
+package org.rssin.android;

+

+import android.database.DataSetObserver;

+import android.support.v7.app.ActionBarActivity;

+import android.app.Activity;

+import android.support.v7.app.ActionBar;

+import android.support.v4.app.Fragment;

+import android.support.v4.app.ActionBarDrawerToggle;

+import android.support.v4.view.GravityCompat;

+import android.support.v4.widget.DrawerLayout;

+import android.content.SharedPreferences;

+import android.content.res.Configuration;

+import android.os.Bundle;

+import android.preference.PreferenceManager;

+import android.view.LayoutInflater;

+import android.view.Menu;

+import android.view.MenuInflater;

+import android.view.MenuItem;

+import android.view.View;

+import android.view.ViewGroup;

+import android.widget.AdapterView;

+import android.widget.ArrayAdapter;

+import android.widget.ListAdapter;

+import android.widget.ListView;

+import android.widget.TextView;

+import android.widget.Toast;

+

+import org.rssin.rssin.R;

+

+/**

+ * Fragment used for managing interactions for and presentation of a navigation drawer.

+ * See the <a href="https://developer.android.com/design/patterns/navigation-drawer.html#Interaction">

+ * design guidelines</a> for a complete explanation of the behaviors implemented here.

+ */

+public class NavigationDrawerFragment extends Fragment {

+

+    /**

+     * Remember the position of the selected item.

+     */

+    private static final String STATE_SELECTED_POSITION = "selected_navigation_drawer_position";

+

+    /**

+     * Per the design guidelines, you should show the drawer on launch until the user manually

+     * expands it. This shared preference tracks this.

+     */

+    private static final String PREF_USER_LEARNED_DRAWER = "navigation_drawer_learned";

+

+    /**

+     * A pointer to the current callbacks instance (the Activity).

+     */

+    private NavigationDrawerCallbacks mCallbacks;

+

+    /**

+     * Helper component that ties the action bar to the navigation drawer.

+     */

+    private ActionBarDrawerToggle mDrawerToggle;

+

+    private DrawerLayout mDrawerLayout;

+    private ListView mDrawerListView;

+    private View mFragmentContainerView;

+

+    private int mCurrentSelectedPosition = 1;

+    private boolean mFromSavedInstanceState;

+    private boolean mUserLearnedDrawer;

+

+    public NavigationDrawerFragment() {

+    }

+

+    @Override

+    public void onCreate(Bundle savedInstanceState) {

+        super.onCreate(savedInstanceState);

+

+        // Read in the flag indicating whether or not the user has demonstrated awareness of the

+        // drawer. See PREF_USER_LEARNED_DRAWER for details.

+        SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(getActivity());

+        mUserLearnedDrawer = sp.getBoolean(PREF_USER_LEARNED_DRAWER, false);

+

+        if (savedInstanceState != null) {

+            mCurrentSelectedPosition = savedInstanceState.getInt(STATE_SELECTED_POSITION);

+            mFromSavedInstanceState = true;

+        }

+

+        // Select either the default item (0) or the last selected item.

+        selectItem(mCurrentSelectedPosition);

+    }

+

+    @Override

+    public void onActivityCreated(Bundle savedInstanceState) {

+        super.onActivityCreated(savedInstanceState);

+        // Indicate that this fragment would like to influence the set of actions in the action bar.

+        setHasOptionsMenu(true);

+    }

+

+    @Override

+    public View onCreateView(LayoutInflater inflater, ViewGroup container,

+                             Bundle savedInstanceState) {

+        mDrawerListView = (ListView) inflater.inflate(

+                R.layout.fragment_navigation_drawer, container, false);

+        mDrawerListView.setOnItemClickListener(new AdapterView.OnItemClickListener() {

+            @Override

+            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {

+                selectItem(position);

+            }

+        });

+

+        mDrawerListView.setAdapter(new NavigationDrawerAdapter());

+        mDrawerListView.setItemChecked(mCurrentSelectedPosition, true);

+        return mDrawerListView;

+    }

+

+    public boolean isDrawerOpen() {

+        return mDrawerLayout != null && mDrawerLayout.isDrawerOpen(mFragmentContainerView);

+    }

+

+    /**

+     * Users of this fragment must call this method to set up the navigation drawer interactions.

+     *

+     * @param fragmentId   The android:id of this fragment in its activity's layout.

+     * @param drawerLayout The DrawerLayout containing this fragment's UI.

+     */

+    public void setUp(int fragmentId, DrawerLayout drawerLayout) {

+        mFragmentContainerView = getActivity().findViewById(fragmentId);

+        mDrawerLayout = drawerLayout;

+

+        // set a custom shadow that overlays the main content when the drawer opens

+        mDrawerLayout.setDrawerShadow(R.drawable.drawer_shadow, GravityCompat.START);

+        // set up the drawer's list view with items and click listener

+

+        ActionBar actionBar = getActionBar();

+        actionBar.setDisplayHomeAsUpEnabled(true);

+        actionBar.setHomeButtonEnabled(true);

+

+        // ActionBarDrawerToggle ties together the the proper interactions

+        // between the navigation drawer and the action bar app icon.

+        mDrawerToggle = new ActionBarDrawerToggle(

+                getActivity(),                    /* host Activity */

+                mDrawerLayout,                    /* DrawerLayout object */

+                R.drawable.ic_drawer,             /* nav drawer image to replace 'Up' caret */

+                R.string.navigation_drawer_open,  /* "open drawer" description for accessibility */

+                R.string.navigation_drawer_close  /* "close drawer" description for accessibility */

+        ) {

+            @Override

+            public void onDrawerClosed(View drawerView) {

+                super.onDrawerClosed(drawerView);

+                if (!isAdded()) {

+                    return;

+                }

+

+                getActivity().supportInvalidateOptionsMenu(); // calls onPrepareOptionsMenu()

+            }

+

+            @Override

+            public void onDrawerOpened(View drawerView) {

+                super.onDrawerOpened(drawerView);

+                if (!isAdded()) {

+                    return;

+                }

+

+                if (!mUserLearnedDrawer) {

+                    // The user manually opened the drawer; store this flag to prevent auto-showing

+                    // the navigation drawer automatically in the future.

+                    mUserLearnedDrawer = true;

+                    SharedPreferences sp = PreferenceManager

+                            .getDefaultSharedPreferences(getActivity());

+                    sp.edit().putBoolean(PREF_USER_LEARNED_DRAWER, true).apply();

+                }

+

+                getActivity().supportInvalidateOptionsMenu(); // calls onPrepareOptionsMenu()

+            }

+        };

+

+        // If the user hasn't 'learned' about the drawer, open it to introduce them to the drawer,

+        // per the navigation drawer design guidelines.

+        if (!mUserLearnedDrawer && !mFromSavedInstanceState) {

+            mDrawerLayout.openDrawer(mFragmentContainerView);

+        }

+

+        // Defer code dependent on restoration of previous instance state.

+        mDrawerLayout.post(new Runnable() {

+            @Override

+            public void run() {

+                mDrawerToggle.syncState();

+            }

+        });

+

+        mDrawerLayout.setDrawerListener(mDrawerToggle);

+    }

+

+    private void selectItem(int position) {

+        mCurrentSelectedPosition = position;

+        if (mDrawerListView != null) {

+            mDrawerListView.setItemChecked(position, true);

+        }

+        if (mDrawerLayout != null) {

+            mDrawerLayout.closeDrawer(mFragmentContainerView);

+        }

+        if (mCallbacks != null) {

+            mCallbacks.onNavigationDrawerItemSelected(position);

+        }

+    }

+

+    @Override

+    public void onAttach(Activity activity) {

+        super.onAttach(activity);

+        try {

+            mCallbacks = (NavigationDrawerCallbacks) activity;

+        } catch (ClassCastException e) {

+            throw new ClassCastException("Activity must implement NavigationDrawerCallbacks.");

+        }

+    }

+

+    @Override

+    public void onDetach() {

+        super.onDetach();

+        mCallbacks = null;

+    }

+

+    @Override

+    public void onSaveInstanceState(Bundle outState) {

+        super.onSaveInstanceState(outState);

+        outState.putInt(STATE_SELECTED_POSITION, mCurrentSelectedPosition);

+    }

+

+    @Override

+    public void onConfigurationChanged(Configuration newConfig) {

+        super.onConfigurationChanged(newConfig);

+        // Forward the new configuration the drawer toggle component.

+        mDrawerToggle.onConfigurationChanged(newConfig);

+    }

+

+    @Override

+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {

+        // If the drawer is open, show the global app actions in the action bar. See also

+        // showGlobalContextActionBar, which controls the top-left area of the action bar.

+        if (mDrawerLayout != null && isDrawerOpen()) {

+            inflater.inflate(R.menu.global, menu);

+            showGlobalContextActionBar();

+        }

+        super.onCreateOptionsMenu(menu, inflater);

+    }

+

+    @Override

+    public boolean onOptionsItemSelected(MenuItem item) {

+        if (mDrawerToggle.onOptionsItemSelected(item)) {

+            return true;

+        }

+

+//        if (item.getItemId() == R.id.action_example) {

+//            Toast.makeText(getActivity(), "Example action.", Toast.LENGTH_SHORT).show();

+//            return true;

+//        }

+

+        return super.onOptionsItemSelected(item);

+    }

+

+    /**

+     * Per the navigation drawer design guidelines, updates the action bar to show the global app

+     * 'context', rather than just what's in the current screen.

+     */

+    private void showGlobalContextActionBar() {

+        ActionBar actionBar = getActionBar();

+        actionBar.setDisplayShowTitleEnabled(true);

+        actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);

+        actionBar.setTitle(R.string.app_name);

+    }

+

+    private ActionBar getActionBar() {

+        return ((ActionBarActivity) getActivity()).getSupportActionBar();

+    }

+

+    /**

+     * Callbacks interface that all activities using this fragment must implement.

+     */

+    public static interface NavigationDrawerCallbacks {

+        /**

+         * Called when an item in the navigation drawer is selected.

+         */

+        void onNavigationDrawerItemSelected(int position);

+    }

+}

diff --git a/app/src/main/java/org/rssin/android/SharedPreferencesStorageProvider.java b/app/src/main/java/org/rssin/android/SharedPreferencesStorageProvider.java
index 4cc9386..4c23fa9 100755
--- a/app/src/main/java/org/rssin/android/SharedPreferencesStorageProvider.java
+++ b/app/src/main/java/org/rssin/android/SharedPreferencesStorageProvider.java
@@ -69,18 +69,15 @@ class SharedPreferencesStorageProvider implements StorageProvider, FilterStorage
         ObjectOutputStream oos = new ObjectOutputStream(baos);
         oos.writeObject(element);
         oos.close();
-        String string = Base64.encodeToString(baos.toByteArray(), Base64.DEFAULT);
+        baos.close();
+        String base64 = Base64.encodeToString(baos.toByteArray(), Base64.DEFAULT);
 
         context.getSharedPreferences(key.toString(), Context.MODE_PRIVATE)
                 .edit()
-                .putString(element.getClass().getName(), string)
+                .putString(element.getClass().getName(), base64)
                 .apply();
 
-        if (element.getClass() == Filter.class) {
-            storeFilterKey(key);
-        } else if (element.getClass() == Feed.class) {
-            storeFeedKey(key);
-        }
+        Log.v("SPSP", "Store to " + key.toString() + ":\n" + base64);
     }
 
     @Override
@@ -89,8 +86,9 @@ class SharedPreferencesStorageProvider implements StorageProvider, FilterStorage
         if (serialized == null) {
             throw new IOException("No sharedPreference with key " + key.toString() + " and class " + className.getName());
         }
-        ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(Base64.decode(serialized, Base64.DEFAULT)));
+        ObjectInputStream ois = new ObjectInputStream(new ByteArrayInputStream(Base64.decode(serialized.getBytes(), Base64.DEFAULT)));
         Object obj = ois.readObject();
+        Log.v("SPSP", "Fetch " + className.toString() + " from " + key.toString() + ": " + obj.toString());
         return (Storable) className.cast(obj);
     }
 
@@ -118,8 +116,10 @@ class SharedPreferencesStorageProvider implements StorageProvider, FilterStorage
                 .getStringSet("filters", new HashSet<String>());
         List<Filter> filters = new ArrayList<>();
         for (String name : names) {
+            Log.v("SPSP", "allFilters: " + name);
             Filter filter = getFilter(name);
             if (filter != null) {
+                Log.v("SPSP", "allFilters: not null, returning");
                 filters.add(filter);
             }
         }
@@ -137,6 +137,7 @@ class SharedPreferencesStorageProvider implements StorageProvider, FilterStorage
         try {
             return (Filter) fetch(key.toString(), Filter.class);
         } catch (Exception e) {
+            Log.w("SPSP", "Fetch filter " + key.toString(), e);
             return null;
         }
     }
@@ -145,12 +146,7 @@ class SharedPreferencesStorageProvider implements StorageProvider, FilterStorage
     public void removeFilter(Object key) {
         SharedPreferences sharedPreferences = context.getSharedPreferences(ADMIN_PREF_KEY, Context.MODE_PRIVATE);
         Set<String> names = new HashSet<>(sharedPreferences.getStringSet("filters", new HashSet<String>()));
-        for (String name : names)
-            Log.d("SPSP", "Old name: " + name);
-        Log.d("SPSP", "Removing name " + key.toString());
         names.remove(key.toString());
-        for (String name : names)
-            Log.d("SPSP", "New name: " + name);
         sharedPreferences
                 .edit()
                 .putStringSet("filters", names)
@@ -161,9 +157,8 @@ class SharedPreferencesStorageProvider implements StorageProvider, FilterStorage
     /**
      * Keep track of a new key for a filter in the administration SharedPreferences
      * @param key
-     * @throws Exception
      */
-    protected void storeFilterKey(Object key) throws Exception {
+    protected void storeFilterKey(Object key) {
         SharedPreferences sharedPreferences = context.getSharedPreferences(ADMIN_PREF_KEY, Context.MODE_PRIVATE);
         Set<String> names = new HashSet<>(sharedPreferences.getStringSet("filters", new HashSet<String>()));
         names.add(key.toString());
@@ -187,6 +182,12 @@ class SharedPreferencesStorageProvider implements StorageProvider, FilterStorage
     }
 
     @Override
+    public void storeFeed(Object key, Feed feed) throws Exception {
+        store(key, feed);
+        storeFeedKey(key);
+    }
+
+    @Override
     public Feed getFeed(Object key) {
         try {
             return (Feed) fetch(key.toString(), Feed.class);
diff --git a/app/src/main/java/org/rssin/android/UnifiedInboxActivity.java b/app/src/main/java/org/rssin/android/UnifiedInboxActivity.java
index ec8dce7..5a11621 100755
--- a/app/src/main/java/org/rssin/android/UnifiedInboxActivity.java
+++ b/app/src/main/java/org/rssin/android/UnifiedInboxActivity.java
@@ -41,7 +41,7 @@ public class UnifiedInboxActivity extends ActionBarActivity {
             filtersList = FiltersList.getInstance(this);
 
             for(Filter filter : filtersList.getFilters()) {
-                filter.ensureFeedSorter(DefaultStorageProvider.getInstance(this));
+                filter.ensureFeedSorter(InternalStorageProvider.getInstance(this));
                 filter.ensureFeeds(DefaultStorageProvider.getInstance(this));
             }
 
diff --git a/app/src/main/java/org/rssin/rssin/Feed.java b/app/src/main/java/org/rssin/rssin/Feed.java
index 55d0e5d..ae8b5f2 100755
--- a/app/src/main/java/org/rssin/rssin/Feed.java
+++ b/app/src/main/java/org/rssin/rssin/Feed.java
@@ -5,6 +5,7 @@ import android.util.Log;
 import org.json.JSONException;
 import org.json.JSONObject;
 import org.rssin.serialization.Jsonable;
+import org.rssin.storage.FeedStorageProvider;
 import org.rssin.storage.Storable;
 import org.rssin.storage.StorageProvider;
 
@@ -110,12 +111,12 @@ public class Feed implements Storable, Comparable<Feed>, Jsonable {
      * @param storageProvider
      * @throws Exception
      */
-    public synchronized void store(StorageProvider storageProvider) throws Exception {
+    public synchronized void store(FeedStorageProvider storageProvider) throws Exception {
         if (storageKey == null) {
             storageKey = storageProvider.uniqueKey();
         }
 
-        storageProvider.store(storageKey, this);
+        storageProvider.storeFeed(storageKey, this);
     }
 
     @Override
diff --git a/app/src/main/java/org/rssin/rssin/Filter.java b/app/src/main/java/org/rssin/rssin/Filter.java
index 7f1d95e..e7e0158 100755
--- a/app/src/main/java/org/rssin/rssin/Filter.java
+++ b/app/src/main/java/org/rssin/rssin/Filter.java
@@ -1,5 +1,6 @@
 package org.rssin.rssin;
 
+import android.support.annotation.Nullable;
 import android.util.Log;
 
 import org.json.JSONArray;
@@ -73,14 +74,6 @@ public class Filter implements Storable, Comparable<Filter>, Jsonable {
         setTitle(title);
     }
 
-    private void writeObject(ObjectOutputStream stream) throws JSONException, IOException {
-        stream.writeObject(toJson().toString());
-    }
-
-    private void readObject(ObjectInputStream stream) throws JSONException, IOException, ClassNotFoundException {
-        fromJson(new JSONObject((String) stream.readObject()));
-    }
-
     public List<Integer> getFeedHashCodes() {
         return feedHashCodes;
     }
@@ -181,8 +174,8 @@ public class Filter implements Storable, Comparable<Filter>, Jsonable {
     }
 
     @Override
-    public int compareTo(Filter another) {
-        return title.compareTo(another.title);
+    public int compareTo(@Nullable Filter another) {
+        return another == null ? -1 : title.compareTo(another.title);
     }
 
     @Override
@@ -198,7 +191,6 @@ public class Filter implements Storable, Comparable<Filter>, Jsonable {
     public void fromJson(JSONObject json) throws JSONException {
         title = json.getString("title");
         feedHashCodes = JsonSerializer.integersListFromJson(json.getJSONArray("feedHashCodes"));
-        JSONArray keywordsJson = json.getJSONArray("keywords");
         storageKey = json.getString("storageKey");
     }
 
diff --git a/app/src/main/java/org/rssin/rssin/dummy/DummyContent.java b/app/src/main/java/org/rssin/rssin/dummy/DummyContent.java
new file mode 100755
index 0000000..059f859
--- /dev/null
+++ b/app/src/main/java/org/rssin/rssin/dummy/DummyContent.java
@@ -0,0 +1,55 @@
+package org.rssin.rssin.dummy;

+

+import java.util.ArrayList;

+import java.util.HashMap;

+import java.util.List;

+import java.util.Map;

+

+/**

+ * Helper class for providing sample content for user interfaces created by

+ * Android template wizards.

+ * <p/>

+ * TODO: Replace all uses of this class before publishing your app.

+ */

+public class DummyContent {

+

+    /**

+     * An array of sample (dummy) items.

+     */

+    public static List<DummyItem> ITEMS = new ArrayList<DummyItem>();

+

+    /**

+     * A map of sample (dummy) items, by ID.

+     */

+    public static Map<String, DummyItem> ITEM_MAP = new HashMap<String, DummyItem>();

+

+    static {

+        // Add 3 sample items.

+        addItem(new DummyItem("1", "Item 1"));

+        addItem(new DummyItem("2", "Item 2"));

+        addItem(new DummyItem("3", "Item 3"));

+    }

+

+    private static void addItem(DummyItem item) {

+        ITEMS.add(item);

+        ITEM_MAP.put(item.id, item);

+    }

+

+    /**

+     * A dummy item representing a piece of content.

+     */

+    public static class DummyItem {

+        public String id;

+        public String content;

+

+        public DummyItem(String id, String content) {

+            this.id = id;

+            this.content = content;

+        }

+

+        @Override

+        public String toString() {

+            return content;

+        }

+    }

+}

diff --git a/app/src/main/java/org/rssin/storage/FeedStorageProvider.java b/app/src/main/java/org/rssin/storage/FeedStorageProvider.java
index eac78ce..13932a6 100644
--- a/app/src/main/java/org/rssin/storage/FeedStorageProvider.java
+++ b/app/src/main/java/org/rssin/storage/FeedStorageProvider.java
@@ -17,6 +17,13 @@ public interface FeedStorageProvider<K> {
     List<Feed> allFeeds();
 
     /**
+     * Save a Filter
+     * @param key
+     * @param feed
+     */
+    void storeFeed(K key, Feed feed) throws Exception;
+
+    /**
      * Get the feed for a specific key
      * @param key
      * @return
@@ -29,4 +36,10 @@ public interface FeedStorageProvider<K> {
      */
     void removeFeed(K key);
 
+    /**
+     * Get a new, unique, usable key
+     * @return
+     */
+    K uniqueKey();
+
 }
diff --git a/app/src/main/res/drawable-hdpi/drawer_shadow.9.png b/app/src/main/res/drawable-hdpi/drawer_shadow.9.png
new file mode 100755
index 0000000..236bff5
--- /dev/null
+++ b/app/src/main/res/drawable-hdpi/drawer_shadow.9.png
diff --git a/app/src/main/res/drawable-hdpi/ic_drawer.png b/app/src/main/res/drawable-hdpi/ic_drawer.png
new file mode 100755
index 0000000..c59f601
--- /dev/null
+++ b/app/src/main/res/drawable-hdpi/ic_drawer.png
diff --git a/app/src/main/res/drawable-mdpi/drawer_shadow.9.png b/app/src/main/res/drawable-mdpi/drawer_shadow.9.png
new file mode 100755
index 0000000..ffe3a28
--- /dev/null
+++ b/app/src/main/res/drawable-mdpi/drawer_shadow.9.png
diff --git a/app/src/main/res/drawable-mdpi/ic_drawer.png b/app/src/main/res/drawable-mdpi/ic_drawer.png
new file mode 100755
index 0000000..1ed2c56
--- /dev/null
+++ b/app/src/main/res/drawable-mdpi/ic_drawer.png
diff --git a/app/src/main/res/drawable-xhdpi/drawer_shadow.9.png b/app/src/main/res/drawable-xhdpi/drawer_shadow.9.png
new file mode 100755
index 0000000..fabe9d9
--- /dev/null
+++ b/app/src/main/res/drawable-xhdpi/drawer_shadow.9.png
diff --git a/app/src/main/res/drawable-xhdpi/ic_drawer.png b/app/src/main/res/drawable-xhdpi/ic_drawer.png
new file mode 100755
index 0000000..a5fa74d
--- /dev/null
+++ b/app/src/main/res/drawable-xhdpi/ic_drawer.png
diff --git a/app/src/main/res/drawable-xxhdpi/drawer_shadow.9.png b/app/src/main/res/drawable-xxhdpi/drawer_shadow.9.png
new file mode 100755
index 0000000..b91e9d7
--- /dev/null
+++ b/app/src/main/res/drawable-xxhdpi/drawer_shadow.9.png
diff --git a/app/src/main/res/drawable-xxhdpi/ic_drawer.png b/app/src/main/res/drawable-xxhdpi/ic_drawer.png
new file mode 100755
index 0000000..9c4685d
--- /dev/null
+++ b/app/src/main/res/drawable-xxhdpi/ic_drawer.png
diff --git a/app/src/main/res/layout/activity_filter_settings.xml b/app/src/main/res/layout/activity_filter_settings.xml
index 6ee5331..f0a773c 100644
--- a/app/src/main/res/layout/activity_filter_settings.xml
+++ b/app/src/main/res/layout/activity_filter_settings.xml
@@ -4,10 +4,7 @@
     tools:context="org.rssin.android.FilterSettingsActivity"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:paddingLeft="0dp"
-    android:paddingRight="0dp"
-    android:paddingTop="0dp"
-    android:paddingBottom="0dp"
+    android:padding="0dp"
     android:orientation="vertical">
 
     <LinearLayout
@@ -16,23 +13,24 @@
         android:orientation="horizontal">
 
         <EditText
-            android:id="@+id/filter_settings_add_keyword"
+            android:id="@+id/filter_settings_add_feed"
             android:layout_width="0dip"
             android:layout_weight="1"
             android:layout_height="wrap_content"
-            android:maxLines="1"/>
+            android:maxLines="1"
+            android:inputType="textUri"/>
 
         <Button
+            android:id="@+id/filter_settings_add_feed_button"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
-            android:text="@string/filter_settings_add_keyword"
-            android:onClick="addKeyword"/>
+            android:text="@string/filter_settings_add_feed"/>
 
     </LinearLayout>
 
     <ListView
         android:id="@+id/filter_settings_feeds_list"
         android:layout_width="match_parent"
-        android:layout_height="match_parent"></ListView>
+        android:layout_height="match_parent"/>
 
 </LinearLayout>
diff --git a/app/src/main/res/layout/activity_home_screen.xml b/app/src/main/res/layout/activity_home_screen.xml
new file mode 100755
index 0000000..f6fcc0c
--- /dev/null
+++ b/app/src/main/res/layout/activity_home_screen.xml
@@ -0,0 +1,24 @@
+<!-- A DrawerLayout is intended to be used as the top-level content view using match_parent for both width and height to consume the full space available. -->

+<android.support.v4.widget.DrawerLayout xmlns:android="http://schemas.android.com/apk/res/android"

+    xmlns:tools="http://schemas.android.com/tools" android:id="@+id/drawer_layout"

+    android:layout_width="match_parent" android:layout_height="match_parent"

+    tools:context="org.rssin.android.HomeScreenActivity">

+

+    <!-- As the main content view, the view below consumes the entire

+         space available using match_parent in both dimensions. -->

+    <FrameLayout android:id="@+id/container" android:layout_width="match_parent"

+        android:layout_height="match_parent" />

+

+    <!-- android:layout_gravity="start" tells DrawerLayout to treat

+         this as a sliding drawer on the left side for left-to-right

+         languages and on the right side for right-to-left languages.

+         If you're not building against API 17 or higher, use

+         android:layout_gravity="left" instead. -->

+    <!-- The drawer is given a fixed width in dp and extends the full height of

+         the container. -->

+    <fragment android:id="@+id/navigation_drawer"

+        android:layout_width="@dimen/navigation_drawer_width" android:layout_height="match_parent"

+        android:layout_gravity="start" android:name="org.rssin.android.NavigationDrawerFragment"

+        tools:layout="@layout/fragment_navigation_drawer" />

+

+</android.support.v4.widget.DrawerLayout>

diff --git a/app/src/main/res/layout/fragment_filter_settings_feeds.xml b/app/src/main/res/layout/fragment_filter_settings_feeds.xml
deleted file mode 100644
index 9c1e1f4..0000000
--- a/app/src/main/res/layout/fragment_filter_settings_feeds.xml
+++ /dev/null
@@ -1,34 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent">
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="horizontal">
-
-        <EditText
-            android:id="@+id/filter_settings_add_feed"
-            android:layout_width="0dip"
-            android:layout_weight="1"
-            android:layout_height="wrap_content"
-            android:maxLines="1"
-            android:inputType="textUri"/>
-
-        <Button
-            android:id="@+id/filter_settings_add_feed_button"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/filter_settings_add_feed"/>
-
-    </LinearLayout>
-
-    <ListView
-        android:id="@+id/filter_settings_feeds_list"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"/>
-
-</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_home_screen.xml b/app/src/main/res/layout/fragment_home_screen.xml
new file mode 100755
index 0000000..a502805
--- /dev/null
+++ b/app/src/main/res/layout/fragment_home_screen.xml
@@ -0,0 +1,15 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

+    xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent"

+    android:layout_height="match_parent" android:paddingLeft="@dimen/activity_horizontal_margin"

+    android:paddingRight="@dimen/activity_horizontal_margin"

+    android:paddingTop="@dimen/activity_vertical_margin"

+    android:paddingBottom="@dimen/activity_vertical_margin"

+    tools:context="org.rssin.android.HomeScreenActivity$PlaceholderFragment">

+

+    <android.support.v7.widget.RecyclerView

+        android:id="@+id/unified_inbox_feeditems"

+        android:scrollbars="vertical"

+        android:layout_width="match_parent"

+        android:layout_height="match_parent"/>

+

+</RelativeLayout>

diff --git a/app/src/main/res/layout/fragment_navigation_drawer.xml b/app/src/main/res/layout/fragment_navigation_drawer.xml
new file mode 100755
index 0000000..6b9ec1d
--- /dev/null
+++ b/app/src/main/res/layout/fragment_navigation_drawer.xml
@@ -0,0 +1,7 @@
+<ListView xmlns:android="http://schemas.android.com/apk/res/android"

+    xmlns:tools="http://schemas.android.com/tools"

+    android:layout_width="match_parent"

+    android:layout_height="match_parent"

+    android:choiceMode="singleChoice"

+    android:divider="@android:color/transparent" android:dividerHeight="0dp"

+    android:background="#cccc" tools:context="org.rssin.android.NavigationDrawerFragment" />
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_filter_settings_feed.xml b/app/src/main/res/layout/item_filter_settings_feed.xml
index 4f027eb..e7e5196 100644
--- a/app/src/main/res/layout/item_filter_settings_feed.xml
+++ b/app/src/main/res/layout/item_filter_settings_feed.xml
@@ -1,20 +1,36 @@
 <?xml version="1.0" encoding="utf-8"?>
-<LinearLayout
+<RelativeLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/filter_settings_feed_item"
-    android:orientation="vertical"
+    android:orientation="horizontal"
     android:layout_width="fill_parent"
     android:layout_height="fill_parent"
-    android:padding="10dp">
+    android:padding="@dimen/listview_item_padding">
+    
+    <LinearLayout
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="vertical">
 
-    <TextView android:id="@+id/filter_settings_feed_item_title"
-        android:layout_width="fill_parent"
-        android:layout_height="fill_parent"
-        android:textSize="@dimen/font_size_large"/>
+        <TextView android:id="@+id/filter_settings_feed_item_title"
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent"
+            android:textSize="@dimen/font_size_large"/>
 
-    <TextView android:id="@+id/filter_settings_feed_item_url"
-        android:layout_width="fill_parent"
-        android:layout_height="fill_parent"
-        android:textSize="@dimen/font_size_normal"/>
+        <TextView android:id="@+id/filter_settings_feed_item_url"
+            android:layout_width="fill_parent"
+            android:layout_height="fill_parent"
+            android:textSize="@dimen/font_size_normal"/>
 
-</LinearLayout>
\ No newline at end of file
+    </LinearLayout>
+
+    <CheckBox
+        android:id="@+id/filter_settings_feed_item_checkbox"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:focusable="false"
+        android:clickable="false"
+        android:layout_alignParentRight="true"
+        android:layout_alignParentEnd="true"/>
+
+</RelativeLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_navigation_drawer.xml b/app/src/main/res/layout/item_navigation_drawer.xml
new file mode 100755
index 0000000..32a8837
--- /dev/null
+++ b/app/src/main/res/layout/item_navigation_drawer.xml
@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>

+<LinearLayout

+    xmlns:android="http://schemas.android.com/apk/res/android"

+    android:id="@+id/itemLayout"

+    android:layout_width="fill_parent"

+    android:layout_height="wrap_content"

+    android:layout_alignParentLeft="true"

+    android:orientation="vertical"

+

+    android:layout_marginTop="0dp"

+    android:background="?android:attr/activatedBackgroundIndicator"

+    >

+

+    <LinearLayout

+        android:layout_width="fill_parent"

+        android:layout_height="wrap_content"

+        android:minHeight="55dp"

+        >

+

+        <TextView

+            android:id="@+id/item_navigation_drawer_text"

+            android:layout_width="wrap_content"

+            android:layout_height="wrap_content"

+            android:layout_margin="10dp"

+            android:textAppearance="?android:attr/textAppearanceMedium"

+            />

+    </LinearLayout>

+

+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/separator_navigation_drawer.xml b/app/src/main/res/layout/separator_navigation_drawer.xml
new file mode 100755
index 0000000..856093c
--- /dev/null
+++ b/app/src/main/res/layout/separator_navigation_drawer.xml
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="utf-8"?>

+<LinearLayout

+xmlns:android="http://schemas.android.com/apk/res/android"

+android:id="@+id/itemLayout"

+android:layout_width="fill_parent"

+android:layout_height="wrap_content"

+android:layout_alignParentLeft="true"

+android:orientation="vertical"

+android:layout_marginTop="0dp"

+android:background="?android:attr/activatedBackgroundIndicator"

+    >

+

+    <LinearLayout

+        android:layout_width="fill_parent"

+        android:layout_height="wrap_content"

+        android:minHeight="35dp"

+        >

+

+        <TextView

+            android:id="@+id/separator_navigation_drawer_text"

+            android:layout_width="wrap_content"

+            android:layout_height="wrap_content"

+            android:layout_margin="4dp"

+            android:textAppearance="?android:attr/textAppearanceSmall"

+            />

+    </LinearLayout>

+

+    <View

+        android:layout_width="match_parent"

+        android:layout_height="1dp"

+        android:layout_marginBottom="0dp"

+        android:layout_marginTop="1dp"

+        android:layout_marginLeft="0dp"

+        android:layout_marginRight="0dp"

+        android:background="#DADADC"

+

+        ></View>

+

+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/menu/global.xml b/app/src/main/res/menu/global.xml
new file mode 100755
index 0000000..fc41e98
--- /dev/null
+++ b/app/src/main/res/menu/global.xml
@@ -0,0 +1,5 @@
+<menu xmlns:android="http://schemas.android.com/apk/res/android"

+    xmlns:app="http://schemas.android.com/apk/res-auto">

+    <item android:id="@+id/action_settings" android:title="@string/action_settings"

+        android:orderInCategory="100" app:showAsAction="never" />

+</menu>

diff --git a/app/src/main/res/menu/home_screen.xml b/app/src/main/res/menu/home_screen.xml
new file mode 100755
index 0000000..cf4b03a
--- /dev/null
+++ b/app/src/main/res/menu/home_screen.xml
@@ -0,0 +1,9 @@
+<menu xmlns:android="http://schemas.android.com/apk/res/android"

+    xmlns:app="http://schemas.android.com/apk/res-auto"

+    xmlns:tools="http://schemas.android.com/tools"

+    tools:context="org.rssin.android.HomeScreenActivity">

+    <item android:id="@+id/action_example" android:title="@string/action_example"

+        app:showAsAction="withText|ifRoom" />

+    <item android:id="@+id/action_settings" android:title="@string/action_settings"

+        android:orderInCategory="100" app:showAsAction="never" />

+</menu>

diff --git a/app/src/main/res/menu/menu_filter_settings.xml b/app/src/main/res/menu/menu_filter_settings.xml
index 848c9df..655ee84 100644
--- a/app/src/main/res/menu/menu_filter_settings.xml
+++ b/app/src/main/res/menu/menu_filter_settings.xml
@@ -6,11 +6,6 @@
     tools:context=".FilterSettingsActivity">
 
     <item
-        android:id="@+id/filter_settings_action_feeds"
-        android:title="@string/filter_settings_action_feeds"
-        app:showAsAction="ifRoom" />
-
-    <item
         android:id="@+id/filter_settings_action_title"
         android:title="@string/filter_settings_action_title"
         app:showAsAction="ifRoom" />
diff --git a/app/src/main/res/values-large/refs.xml b/app/src/main/res/values-large/refs.xml
new file mode 100755
index 0000000..d152eb1
--- /dev/null
+++ b/app/src/main/res/values-large/refs.xml
@@ -0,0 +1,4 @@
+<resources>

+

+

+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values-sw600dp/refs.xml b/app/src/main/res/values-sw600dp/refs.xml
new file mode 100755
index 0000000..d152eb1
--- /dev/null
+++ b/app/src/main/res/values-sw600dp/refs.xml
@@ -0,0 +1,4 @@
+<resources>

+

+

+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/dimens.xml b/app/src/main/res/values/dimens.xml
index 0121f92..512350a 100644..100755
--- a/app/src/main/res/values/dimens.xml
+++ b/app/src/main/res/values/dimens.xml
@@ -9,4 +9,8 @@
     <dimen name="font_size_large">20sp</dimen>
     <dimen name="font_size_normal">16sp</dimen>
     <dimen name="font_size_small">14sp</dimen>
+
+    <!-- Per the design guidelines, navigation drawers should be between 240dp and 320dp:
+         https://developer.android.com/design/patterns/navigation-drawer.html -->
+    <dimen name="navigation_drawer_width">240dp</dimen>
 </resources>
diff --git a/app/src/main/res/values/refs.xml b/app/src/main/res/values/refs.xml
new file mode 100755
index 0000000..d152eb1
--- /dev/null
+++ b/app/src/main/res/values/refs.xml
@@ -0,0 +1,4 @@
+<resources>

+

+

+</resources>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 2362102..83cda21 100755
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -13,6 +13,8 @@
     <string name="title_activity_filters">Filters</string>
     <string name="title_activity_filter_settings">Filter</string>
     <string name="title_activity_filter">Filter</string>
+    <string name="title_activity_article">Article</string>
+    <string name="title_activity_feeds">Feeds</string>
 
     <string name="filters_action_add">Add</string>
 
@@ -39,11 +41,11 @@
     <string name="error_net_load">Internet problem</string>
 
     <string name="error_save_feedsorter">Couldn\'t store personal preferences</string>
-    <string name="title_activity_feeds">Feeds</string>
 
-    <string name="hello_world">Hello world!</string>
-    <string name="title_activity_article">ArticleActivity</string>
+    <string name="error_load_article">Couldn\'t load article</string>
+
     <string name="feeds">feeds</string>
+
     <string name="article_action_dislike">Dislike</string>
     <string name="article_action_like">Like</string>
     <string name="title_activity_home_screen">HomeScreenActivity</string>
@@ -56,4 +58,9 @@
     <string name="navigation_drawer_close">Close navigation drawer</string>
 
     <string name="action_example">Example action</string>
+
+    <string name="article_author">Written by:</string>
+    <string name="article_author_unknown">Unknown author</string>
+    <string name="article_published_on">Published on:</string>
+    <string name="article_published_on_unknown"/>
 </resources>