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diff --git a/subsonic-android/src/github/daneren2005/subphonic/util/PlaylistAdapter.java b/subsonic-android/src/github/daneren2005/subphonic/util/PlaylistAdapter.java
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+/*
+ This file is part of Subsonic.
+
+ Subsonic is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Subsonic is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Subsonic.  If not, see <http://www.gnu.org/licenses/>.
+
+ Copyright 2009 (C) Sindre Mehus
+ */
+package github.daneren2005.subphonic.util;
+
+import android.content.Context;
+import android.widget.ArrayAdapter;
+import android.widget.SectionIndexer;
+import github.daneren2005.subphonic.R;
+import github.daneren2005.subphonic.domain.Playlist;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.LinkedHashSet;
+import java.util.List;
+import java.util.Set;
+
+/**
+* @author Sindre Mehus
+* @version $Id$
+*/
+public class PlaylistAdapter extends ArrayAdapter<Playlist> implements SectionIndexer {
+
+    // Both arrays are indexed by section ID.
+    private final Object[] sections;
+    private final Integer[] positions;
+
+    /**
+     * Note: playlists must be sorted alphabetically.
+     */
+    public PlaylistAdapter(Context context, List<Playlist> playlists) {
+        super(context, R.layout.playlist_list_item, playlists);
+
+        Set<String> sectionSet = new LinkedHashSet<String>(30);
+        List<Integer> positionList = new ArrayList<Integer>(30);
+        for (int i = 0; i < playlists.size(); i++) {
+            Playlist playlist = playlists.get(i);
+            if (playlist.getName().length() > 0) {
+                String index = playlist.getName().substring(0, 1).toUpperCase();
+                if (!sectionSet.contains(index)) {
+                    sectionSet.add(index);
+                    positionList.add(i);
+                }
+            }
+        }
+        sections = sectionSet.toArray(new Object[sectionSet.size()]);
+        positions = positionList.toArray(new Integer[positionList.size()]);
+    }
+
+    @Override
+    public Object[] getSections() {
+        return sections;
+    }
+
+    @Override
+    public int getPositionForSection(int section) {
+        section = Math.min(section, positions.length - 1);
+        return positions[section];
+    }
+
+    @Override
+    public int getSectionForPosition(int pos) {
+        for (int i = 0; i < sections.length - 1; i++) {
+            if (pos < positions[i + 1]) {
+                return i;
+            }
+        }
+        return sections.length - 1;
+    }
+
+    public static class PlaylistComparator implements Comparator<Playlist> {
+        @Override
+        public int compare(Playlist playlist1, Playlist playlist2) {
+            return playlist1.getName().compareToIgnoreCase(playlist2.getName());
+        }
+
+        public static List<Playlist> sort(List<Playlist> playlists) {
+            Collections.sort(playlists, new PlaylistComparator());
+            return playlists;
+        }
+
+    }
+}