diff --git a/MyTracks/AndroidManifest.xml b/MyTracks/AndroidManifest.xml
index 578bd1e48..5f52f7262 100755
--- a/MyTracks/AndroidManifest.xml
+++ b/MyTracks/AndroidManifest.xml
@@ -161,7 +161,7 @@ limitations under the License.
   <uses-feature android:name="android.hardware.location" android:required="true"/>
   <uses-feature android:name="android.hardware.location.gps" android:required="true"/>
   <uses-feature android:name="android.hardware.touchscreen" android:required="true"/>
-
+  
   <!-- Features optional -->
   <uses-feature android:name="android.hardware.bluetooth" android:required="false"/>
   <uses-feature android:name="android.hardware.location.network" android:required="false"/>
diff --git a/MyTracks/res/layout/about.xml b/MyTracks/res/layout/about.xml
index 51f432b90..753d860e8 100644
--- a/MyTracks/res/layout/about.xml
+++ b/MyTracks/res/layout/about.xml
@@ -58,6 +58,11 @@ limitations under the License.
       android:layout_height="wrap_content"
       android:layout_width="wrap_content"
       android:orientation="vertical">
+      <TextView
+        android:layout_height="wrap_content"
+        android:layout_width="wrap_content"
+        android:text="@string/about_bart"
+        android:textSize="20sp" />
       <TextView
         android:layout_height="wrap_content"
         android:layout_width="wrap_content"
diff --git a/MyTracks/res/values-ca/arrays.xml b/MyTracks/res/values-ca/arrays.xml
new file mode 100644
index 000000000..2eddecf5b
--- /dev/null
+++ b/MyTracks/res/values-ca/arrays.xml
@@ -0,0 +1,292 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2010 Google Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+<resources>
+  <!-- Task frequency -->
+  <string-array name="task_frequency_options">
+    <item>Inactiu</item>
+    <item>1 min</item>
+    <item>2 min</item>
+    <item>5 min</item>
+    <item>10 min</item>
+    <item>15 min</item>
+    <item>30 min</item>
+    <item>60 min</item>
+  </string-array>
+
+  <!-- Minimum recording distance -->
+  <string-array name="min_recording_distance_options">
+    <item>1 m</item>
+    <item>2 m</item>
+    <item>3 m</item>
+    <item>4 m</item>
+    <item>5 m (recomanat)</item>
+    <item>10 m</item>
+    <item>100 m</item>
+  </string-array>
+
+  <string-array name="min_recording_distance_options_ft">
+    <item>3 ft</item>
+    <item>6 ft</item>
+    <item>10 ft</item>
+    <item>13 ft</item>
+    <item>16 ft (recomanat)</item>
+    <item>33 ft</item>
+    <item>328 ft</item>
+  </string-array>
+
+  <!-- Maximum recording distance -->
+  <string-array name="max_recording_distance_options">
+    <item>50 m</item>
+    <item>100 m</item>
+    <item>200 m (recomanat)</item>
+    <item>500 m</item>
+    <item>1000 m</item>
+    <item>5000 m</item>
+  </string-array>
+
+  <string-array name="max_recording_distance_options_ft">
+    <item>164 ft</item>
+    <item>328 ft</item>
+    <item>656 ft (recomanat)</item>
+    <item>1640 ft</item>
+    <item>0.6 miles</item>
+    <item>3.1 miles</item>
+  </string-array>
+
+  <!-- Minimum recording interval -->
+  <string-array name="min_recording_interval_options">
+    <item>poca precisió (adaptable)</item>
+    <item>gran precisió (adaptable)</item>
+    <item>el millor (recomanat)</item>
+    <item>2 s</item>
+    <item>3 s</item>
+    <item>4 s</item>
+    <item>5 s</item>
+    <item>10 s</item>
+    <item>20 s</item>
+    <item>30 s</item>
+    <item>1 min</item>
+    <item>2 min</item>
+    <item>5 min</item>
+    <item>10 min</item>
+    <item>15 min</item>
+    <item>30 min</item>
+  </string-array>
+
+  <!-- Minimum required accuracy -->
+  <string-array name="min_required_accuracy_options">
+    <item>10 m (senyal GPS excel·lent)</item>
+    <item>20 m</item>
+    <item>50 m</item>
+    <item>100 m</item>
+    <item>200 m (recomanat)</item>
+    <item>500 m</item>
+    <item>1000 m</item>
+    <item>2000 m</item>
+    <item>5000 m (senyal GPS pobre)</item>
+  </string-array>
+
+  <string-array name="min_required_accuracy_options_ft">
+    <item>33 ft (senyal GPS excel·lent)</item>
+    <item>66 ft</item>
+    <item>165 ft</item>
+    <item>328 ft</item>
+    <item>656 ft (recomanat)</item>
+    <item>1640 ft</item>
+    <item>0.6 miles</item>
+    <item>1.2 miles</item>
+    <item>3.1 miles (senyal GPS pobre)</item>
+  </string-array>
+
+  <!-- Split frequency -->
+  <string-array name="split_frequency_options">
+    <item>Sense divisió</item>
+    <item>100 km</item>
+    <item>50 km</item>
+    <item>25 km</item>
+    <item>10 km</item>
+    <item>5 km</item>
+    <item>1 km</item>
+    <item>60 min</item>
+    <item>30 min</item>
+    <item>15 min</item>
+    <item>10 min</item>
+    <item>5 min</item>
+    <item>2 min</item>
+    <item>1 min</item>
+  </string-array>
+
+  <string-array name="split_frequency_options_ft">
+    <item>No splitting</item>
+    <item>100 mi</item>
+    <item>50 mi</item>
+    <item>25 mi</item>
+    <item>10 mi</item>
+    <item>5 mi</item>
+    <item>1 mi</item>
+    <item>60 min</item>
+    <item>30 min</item>
+    <item>15 min</item>
+    <item>10 min</item>
+    <item>5 min</item>
+    <item>2 min</item>
+    <item>1 min</item>
+  </string-array>
+
+  <!-- Auto-resume track timeout -->
+  <string-array name="auto_resume_track_timeout_options">
+    <item>Mai</item>
+    <item>5 min</item>
+    <item>10 min</item>
+    <item>15 min</item>
+    <item>Always</item>
+  </string-array>
+
+  <!-- Other non-preference arrays -->
+  <array name="activity_types">
+    <item>desconegut</item>
+    <item>tipus barrejats</item>
+    <item>altre</item>
+
+    <item>córrer</item>
+    <item>córrer al carrer</item>
+    <item>pista d\'atletisme</item>
+    <item>córrer en ruta</item>
+    <item>a peu</item>
+    <item>caminar de presa</item>
+    <item>senderisme</item>
+    <item>ruta de senderisme</item>
+    <item>senderisme fora de ruta</item>
+    <item>escalada</item>
+
+    <item>ciclisme</item>
+    <item>bici al carrer</item>
+    <item>bici de muntanya</item>
+    <item>ruta de bici</item>
+
+    <item>patinatge</item>
+    <item>patinatge en línia</item>
+    <item>skate</item>
+
+    <item>snow shoeing</item>
+    <item>skiing</item>
+    <item>snow boarding</item>
+    <item>sled</item>
+    <item>ice sailing</item>
+
+    <item>pesca</item>
+    <item>rem</item>
+    <item>caiac</item>
+    <item>rem</item>
+    <item>llanxa motora</item>
+    <item>ferry</item>
+    <item>RC boat</item>
+    <item>surf</item>
+    <item>windsurf</item>
+    <item>kitesurf</item>
+    <item>esquí aquàtic</item>
+    <item>wakeboard</item>
+
+    <item>avió</item>
+    <item>hidroavió</item>
+    <item>avió comercial</item>
+    <item>helicòpter</item>
+    <item>globus aerostàtic</item>
+    <item>dirigible</item>
+    <item>avió RC</item>
+    <item>helicòpter RC</item>
+    <item>salt d\'esquí</item>
+    <item>vol sense motor</item>
+    <item>ala delta</item>
+    <item>parapent</item>
+
+    <item>riding</item>
+    <item>horse back riding</item>
+    <item>donkey back riding</item>
+
+    <item>conducció d\'automòbil</item>
+    <item>conducció de bus</item>
+    <item>tren</item>
+    <item>moto</item>
+    <item>dirtbike</item>
+    <item>ATV</item>
+
+    <item>landsailing</item>
+    <item>frisbee</item>
+    <item>ultimate frisbee</item>
+  </array>
+
+  <array name="waypoint_types">
+    <item>ATM</item>
+    <item>banc</item>
+    <item>bar</item>
+    <item>barbeque</item>
+    <item>edifici</item>
+    <item>parada de bús</item>
+    <item>cafeteria</item>
+    <item>acampada</item>
+    <item>càmping</item>
+    <item>església</item>
+    <item>cafeteria</item>
+    <item>botiga de conveniència</item>
+    <item>aigua potable</item>
+    <item>caiguda de roques</item>
+    <item>ferry</item>
+    <item>llar de foc</item>
+    <item>estació de bombers</item>
+    <item>pesca</item>
+    <item>benzinera</item>
+    <item>camp de golf</item>
+    <item>botiga de queviures</item>
+    <item>perruqueria</item>
+    <item>port</item>
+    <item>ruta de senderisme</item>
+    <item>hotel</item>
+    <item>casa</item>
+    <item>informació</item>
+    <item>intersecció</item>
+    <item>bústia</item>
+    <item>mercat</item>
+    <item>punt de trobada</item>
+    <item>opera</item>
+    <item>parking</item>
+    <item>oficina de correus</item>
+    <item>sot</item>
+    <item>comissaria dels mossos</item>
+    <item>encreuament ferroviari</item>
+    <item>restaurant</item>
+    <item>compres</item>
+    <item>vista</item>
+    <item>magatzem</item>
+    <item>piscina</item>
+    <item>telèfon</item>
+    <item>teatre</item>
+    <item>serveis</item>
+    <item>informació turística</item>
+    <item>túnel</item>
+    <item>arbre</item>
+    <item>cascada</item>
+    <item>font d\'aigua</item>
+    <item>punt de referència</item>
+  </array>
+
+  <array name="sensor_type_options">
+    <item>Cap</item>
+    <item>Zephyr Bluetooth</item>
+  </array>
+
+</resources>
diff --git a/MyTracks/res/values-ca/strings.xml b/MyTracks/res/values-ca/strings.xml
new file mode 100644
index 000000000..1a001c3e2
--- /dev/null
+++ b/MyTracks/res/values-ca/strings.xml
@@ -0,0 +1,449 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+Copyright 2010 Google Inc.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+-->
+<resources>
+  <!-- Used by the Menu -->
+  <string name="start_recording">Enregistra la ruta</string>
+  <string name="stop_recording">Atura l\'enregistrament</string>
+  <string name="switch_to_sat">Mode de satèl·lit</string>
+  <string name="switch_to_map">Mode de mapa</string>
+  <string name="mylocation">La meva ubicació</string>
+  <string name="list_tracks">Rutes</string>
+  <string name="list_markers">Marcadors</string>
+  <string name="delete_all_tracks">Elimina totes les rutes</string>
+  <string name="settings">Paràmetres</string>
+  <string name="elevation">Elevació</string>
+  <string name="choose_track_message">Seleccioneu la ruta que es visualitzarà</string>
+  <string name="current_track">Ruta actual</string>
+  <string name="current_segment">Darrer segment</string>
+  <string name="sensor_state">Estat del sensor</string>
+  <string name="aggregated_stats">Estadístiques agregades</string>
+
+  <!-- Error messages -->
+  <string name="error_no_location_manager">No s\'ha trobat cap gestor d\'ubicacions en aquest dispositiu.</string>
+  <string name="error_no_gps_location_provider">No s\'ha trobat cap proveïdor d\'ubicació GPS en aquest dispositiu.</string>
+  <string name="error_sending_to_mymap">S\'ha produït un error quan s\'enviava la ruta a Google My Map. Proveu més tard.</string>
+  <string name="error_sending_to_docs">S\'ha prdouït un error quan s\'enviava la ruta a Google Docs. Proveu més tard.</string>
+  <string name="error_unable_to_start_recording">No es pot iniciar l\'enregistrament. Proveu de nou.</string>
+  <string name="error_unable_to_stop_recording">No es pot aturar l\'enregistrament. Proveu de nou.</string>
+  <string name="error_unable_to_read_file">No es pot llegir des del fitxer.</string>
+  <string name="error_invalid_gpx_format">El fitxer no conté un format GPX vàlid.</string>
+  <string name="error_generic">S\'ha produït un error. Proveu de nou.</string>
+  <string name="error_track_does_not_exist">No existeix la ruta.</string>
+  <string name="error_out_of_memory">Aquest fitxer és massa gran (ha d\'ésser inferior a 500KB. S\'està cancel·lant.</string>
+  <string name="error_unable_to_insert_marker">No es pot inserir un marcador. No hi ha cap ubicació fixa disponible.</string>
+
+  <!-- Status messages -->
+  <string name="wait_for_fix">S\'està esperant per tenir una posició GPS fixa. Assegureu-vos que el cel és visible.</string>
+  <string name="status_now_recording">Ara s\'està enregistrant una ruta nova.</string>
+  <string name="status_stopped_recording">S\'ha aturat l\'enregistrament de la ruta.</string>
+  <string name="status_new_mymap_has_been_created">S\'ha creat un Google My Map nou a maps.google.com.</string>
+  <string name="status_tracks_have_been_uploaded">S\'ha enviat la ruta a maps.google.com.</string>
+  <string name="status_tracks_have_been_uploaded_to_new_doc">S\'ha enviat la ruta a un full de càlcul a docs.google.com.</string>
+  <string name="status_tracks_have_been_uploaded_to_docs">S\'ha enviat la ruta a docs.google.com.</string>
+  <string name="status_mymap_info">Poden passar uns minuts abans que les rutes noves apareguin.</string>
+  <string name="status_enable_gps">Piqueu aquí per anar als paràmetres de seguretat i ubicació i activeu \'habilita els satèl·lits GPS\'. Premeu el botó d\'anar enrere per tornar.</string>
+  <string name="status_approximate_location">Nota: Es mostra una ubicació determinada a partir de les xarxes sense fils i antenes telefòniques.</string>
+  <string name="status_no_location">No es pot determinar la ubicació. Habiliteu més fonts d\'ubicació (vegeu els paràmetres de seguretat i ubicació) i assegureu-vos que el cel és visible. Proveu de nou més tard.</string>
+  <string name="status_waypoint_inserted">S\'ha inserit un marcader de punt de ruta.</string>
+  <string name="status_statistics_inserted">S\'ha inserit un marcador d\'estadístiques.</string>
+
+  <!-- Progress dialog -->
+  <string name="progress_title">Espereu...</string>
+  <string name="progress_message">S\'està enviant la ruta a Google.</string>
+  <string name="progress_message_reading_track">S\'està llegint la ruta...</string>
+  <string name="progress_message_preparing_track">S\'està preparant la ruta...</string>
+  <string name="progress_message_authenticating_mymaps">S\'està  to Google Maps...</string>
+  <string name="progress_message_authenticating_docs">S\'està autenticant a Google Docs...</string>
+  <string name="progress_message_sending_docs">S\'està enviant la ruta a Google Docs...</string>
+  <string name="progress_message_sending_mymaps">S\'està enviant a Google Maps...</string>
+  <string name="progress_message_creating_map">S\'està creant un My Map nou...</string>
+  <string name="import_progress_message">S\'està imporant una ruta GPS. Això pot trigar una estona.</string>
+  <string name="write_progress_message">S\'està escrivint a la targeta SD. Això pot trigar una estona.</string>
+  <string name="progress_message_updating_track">S\'estan actualitzant les estadístiques de la ruta...</string>
+
+  <!-- Used by DeleteAllDataHandler -->
+  <string name="are_you_sure_question">Esteu segur?</string>
+  <string name="all_data_will_be_permanently_deleted">Tots els marcadors i rutes s\'eliminaran d\'aquest telèfon.</string>
+  <string name="track_will_be_permanently_deleted">La ruta i els seus marcadors s\'eliminaran de forma permanent d\'aquest telèfon.</string>
+  <string name="marker_will_be_permanently_deleted">El marcador s\'eliminarà de forma permanent d\'aquest telèfon.</string>
+
+  <!-- Text and links when uploading to Google My Maps -->
+  <string name="new_map_description">Creat per My Tracks a l\'Android.</string>
+  <string name="my_map_link">Creat per &lt;a href=\'http://mytracks.appspot.com\'&gt;My Tracks&lt;/a&gt; a l\'Android.</string>
+  <string name="new_map_title">Mapa nou</string>
+
+  <!-- Formatting of track and marker descriptions -->
+  <string name="points">Punts</string>
+  <string name="recorded_date">Enregistrat</string>
+  <string name="category">Tipus d\'activitat</string>
+  <string name="waypoint_category">Tipus de marcador</string>
+  <string name="part">(Part %d)</string>
+
+  <!-- Used by the track recording service -->
+  <string name="recording_your_track">S\'està enregistrant la ruta...</string>
+  <string name="new_track">Ruta %d</string>
+
+  <!-- Common -->
+  <string name="no">No</string>
+  <string name="yes">Sí</string>
+  <string name="ok">D\'acord</string>
+  <string name="error">Error</string>
+  <string name="success">Fet</string>
+  <string name="waypoint">Punt de referència</string>
+
+  <!-- Placemark labels for start and end of track -->
+  <string name="start">(Inici)</string>
+  <string name="end">(Fi)</string>
+
+  <!--  TrackList -->
+  <string name="tracklist_show_track">Mostra</string>
+  <string name="tracklist_send_to_mymaps">Envia a Google My Maps</string>
+  <string name="tracklist_send_to_new_mymap">Envia a un Google My Map nou</string>
+  <string name="tracklist_send_to_docs">Envia a Google Docs</string>
+  <string name="tracklist_send_to_google">Envia a Google...</string>
+  <string name="tracklist_delete_track">Elimina del telèfon...</string>
+  <string name="tracklist_edit_track">Edita els detalls</string>
+  <string name="tracklist_write_to_sd">Escriu a la targeta SD...</string>
+  <string name="tracklist_save_as_gpx">Anomena i desa com un fitxer GPX</string>
+  <string name="tracklist_save_as_kml">Anomena i desa com un fitxer KML</string>
+  <string name="tracklist_save_as_csv">Anomena i desa com un fitxer CSV</string>
+  <string name="tracklist_save_as_tcx">Anomena i desa com un fitxer TCX</string>
+  <string name="tracklist_btn_send_all_to_mymaps">Envia a Google My Maps</string>
+  <string name="tracklist_btn_delete_all">Elimina totes les rutes</string>
+  <!-- Export All -->
+  <string name="tracklist_btn_export_all">Exporta totes les rutes</string>
+  <string name="export_done">Exporta les finalitzades</string>
+  <string name="tracklist_pick_one">Seleccioneu una ruta. Mantingueu el dit per veure més opcions.</string>
+  <string name="tracklist_all_tracks">Totes les rutes:</string>
+  <string name="tracklist_this_track">Aquesta ruta</string>
+  <string name="tracklist_share_track">Comparteix amb amics...</string>
+  <string name="tracklist_share_link">Un enllaç a Google My Map</string>
+  <string name="tracklist_share_gpx_file">Un fitxer GPX</string>
+  <string name="tracklist_share_kml_file">Un fitxer KML</string>
+  <string name="tracklist_share_csv_file">Un fitxer CSV</string>
+  <string name="tracklist_share_tcx_file">Un fitxer TCX</string>
+  <string name="tracklist_clear_map">Neteja el mapa</string>
+
+  <!-- Waypoints list -->
+  <string name="waypointslist_btn_delete_all">Elimina tots els marcadors</string>
+  <string name="waypointslist_this_waypoint">Aquest marcador</string>
+  <string name="waypointslist_delete_waypoint">Elimina</string>
+  <string name="waypointslist_edit_waypoint">Edita els detalls</string>
+  <string name="waypointslist_show_waypoint">Mostra al mapa</string>
+  <string name="waypointslist_btn_insert_waypoint">Insereix un punt de referència</string>
+  <string name="waypointslist_btn_insert_statistics">Insereix estadístiques</string>
+  <string name="waypointslist_pick_one">Seleccioneu un marcador. Mantingueu el dit per veure més opcions.</string>
+
+  <!-- MyTracks Details -->
+  <string name="trackdetails_title">Detalls de la ruta</string>
+  <string name="trackdetails_name">Nom de la ruta</string>
+  <string name="trackdetails_description">Descripció de la ruta</string>
+  <string name="trackdetails_category">Tipus d\'activitat (p.e. senderisme, bicicleta, còrrer, escalada...)</string>
+
+  <!-- MyTracks Waypoint Details -->
+  <string name="waypointdetails_title">Detalls del marcador</string>
+  <string name="waypointdetails_name">Nom del marcador</string>
+  <string name="waypointdetails_description">Descripció del marcador</string>
+  <string name="waypointdetails_category">Tipus de marcador (e.g. edifici, sot, vista...)</string>
+
+  <!-- MyTracks Settings -->
+  <string name="mytracks_settings">Paràmetres de My Tracks</string>
+  <string name="settings_display">Visualització</string>
+  <string name="settings_recording">Enregistrament</string>
+  <string name="settings_sharing">Compartició</string>
+
+  <string name="settings_not_available_summary">No es troba disponible a la vostra versió de l\'Android</string>
+
+  <string name="settings_announcement_frequency">Freqüència d\'avís</string>
+  <string name="settings_announcement_frequency_summary">Temps mínin entre dos avisos de veu</string>
+
+  <string name="settings_min_recording_distance">Distància mínima entre punts</string>
+  <string name="settings_min_recording_distance_summary">La distància més petita entre dos punts enregistrats de la vostra posició</string>
+
+  <string name="settings_max_recording_distance">Distància màxima entre punts</string>
+  <string name="settings_max_recording_distance_summary">Si dos punts estan més lluny d\'això, es dividirà la ruta</string>
+
+  <string name="settings_min_recording_interval">Temps mínim entre punts</string>
+  <string name="settings_min_recording_interval_summary">Interval de temps mínim entre dos enregistraments de la vostra posició</string>
+
+  <string name="settings_min_required_accuracy">Precisió míima</string>
+  <string name="settings_min_required_accuracy_summary">S\'aturarà l\'enregistrament si la vostra posició no és així de precisa com a mínim</string>
+
+  <string name="settings_metric_units">Fes servir unitats mètriques</string>
+  <string name="settings_metric_units_summary_on">Totes les distàncies es mostraran en unitats mètriques</string>
+  <string name="settings_metric_units_summary_off">Totes les distàncies es mostraran en unitats imperials</string>
+
+  <string name="settings_map_public">Fes el mapa públic</string>
+  <string name="settings_map_public_summary_on">Els mapes pujats seran visibles per tothom a maps.google.com</string>
+  <string name="settings_map_public_summary_off">Els mapes pujats no es llistaran públicament a maps.google.com</string>
+
+  <string name="settings_report_speed_or_pace">Mostra la velocitat</string>
+  <string name="settings_report_speed_or_pace_summary_on">Es mostrarà la velocitat</string>
+  <string name="settings_report_speed_or_pace_summary_off">Es mostrarà el ritme de pas</string>
+
+  <string name="settings_share_url_only">Comparteix només l\'URL</string>
+  <string name="settings_share_url_only_summary_on">Només s\'enviarà l\'URL del mapa quan es comparteixi</string>
+  <string name="settings_share_url_only_summary_off">També s\'inclouran els continguts de la ruta quan es comparteixi</string>
+
+  <string name="settings_split_frequency">Freqüència de divisió</string>
+  <string name="settings_split_frequency_summary">Temps o distància màxima a partir de la qual s\'insertarà un marcador de divisió nou</string>
+
+  <string name="settings_auto_resume_track_timeout">Temps d\'espera per reprende la ruta</string>
+  <string name="settings_auto_resume_track_timeout_summary">Temps màxim en minuts a partir del qual l\'anterior ruta enregistrada no es reprendrà en actualitzar el telèfon</string>
+
+  <string name="settings_timestamp_track_name">Data i hora com a nom de la ruta</string>
+  <string name="settings_timestamp_track_name_summary_on">El nom per defecte de la ruta serà la data i hora en que s\'ha iniciat.</string>
+  <string name="settings_timestamp_track_name_summary_off">Els noms de les rutes seran números que s\'incrementaran per a cada nova ruta.</string>
+
+  <string name="pace_label">Ritme de pas</string>
+
+  <string name="eclair_required">Suportat només en Android 2.0 i superior</string>
+  <string name="settings_sensor_type">Tipus de sensor</string>
+  <string name="settings_sensor_type_summary">El tipus de sensor al qual es connecta.</string>
+  <string name="settings_sensor_id">Identificador del sensor</string>
+  <string name="settings_sensor_id_summary">L\'identificador enviat als sensors.</string>
+  <string name="sensor_id_malformed">L\'identificador ha de ser un valor sencer.</string>
+  <string name="bluetooth_sensor_title">Sensor bluetooth</string>
+  <string name="bluetooth_sensor_summary">El sensor bluetooth al qual es connecta.</string>
+  <string name="settings_modular_stats_display_title">Pantalla d\'estadístiques modulars</string>
+  <string name="settings_modular_stats_display_summary_on">La pantalla d\'estadístiques es divideix en mòduls diferents.</string>
+  <string name="settings_modular_stats_display_summary_off">Mostra totes les estadístiques en una sola pantalla.</string>
+
+  <string name="settings_backup">Còpia de seguretat (BETA)</string>
+  <string name="settings_sd_backup">Còpia de seguretat a la targeta SD</string>
+  <string name="settings_backup_to_sd">Fes la còpia ara</string>
+  <string name="settings_backup_to_sd_summary">Escriu una còpia completa de totes les rutes i els paràmetres a la targeta SD</string>
+  <string name="settings_restore_from_sd">Restaura ara</string>
+  <string name="settings_restore_from_sd_summary">Restaura totes les rutes i els paràmetres des de la targeta SD.</string>
+  <string name="settings_no_backup_while_recording">No es poden gestionar les còpies de seguretat mentre s\'enregistra una ruta.</string>
+
+  <!-- Backups -->
+  <string name="restore_overwrites_warning">La restauració d\'una còpia de seguretat des de la targeta SD sobreescriurà totes les rutes i paràmetres. Esteu segur?</string>
+  <string name="select_backup_to_restore">Seleccioneu la còpia que es restaurarà</string>
+  <string name="no_backups">No s\'ha trobat cap còpia de seguretat.</string>
+  <string name="backup_write_progress_message">S\'estan escrivint totes les rutes i els paràmetres a la targeta SD. Això pot trigar una estona...</string>
+  <string name="backup_import_progress_message">S\'estan llegint totes les rutes i els paràmetres de la targeta SD. Això pot trigar una estona...</string>
+
+  <!-- MyTracksSky -->
+  <string name="mytracks_sky">Satèl·lits GPS</string>
+
+  <!-- My Maps -->
+  <string name="select_map_message">Seleccioneu un mapa del vostre compte:</string>
+  <string name="create_new_map">Crea un mapa nou...</string>
+  <string name="map_list_title">Envia a Google My Maps</string>
+  <string name="maps_list_loading">S\'estan carregant els mapes...</string>
+  <string name="maps_list_failed">No s\'han pogut carregar els vostres mapes en aquest moment</string>
+  <string name="open_map">Selecciona aquest mapa</string>
+  <string name="edit_map_details">Edita els detalls del mapa</string>
+  <string name="share_map">Comparteix el mapa amb amics</string>
+  <string name="share_track">Comparteix la ruta amb amics</string>
+  <string name="delete_map">Elimina el mapa del vostre compte</string>
+  <string name="map_title">Títol del mapa:</string>
+  <string name="map_description">Descripció del mapa:</string>
+  <string name="map_searchable_edit">Fes que aquest mapa i els seus continguts apareguen als resultats de cerca</string>
+  <string name="map_not_searchable_edit">No permetis que aquest mapa ni els seus continguts es mostrin als resultats de cerca, tot i que sí es podrà visualitzar per altres amb l\'adreça URL directa</string>
+  <string name="map_searchable">Aquest mapa i els seus continguts es mostraran als resultats de cerca</string>
+  <string name="map_not_searchable">Ni els mapes ni els seus continguts es mostraran als resultats de cerca, però podran visualitzar-se per altres a través d\'un enllaç directe.</string>
+  <string name="close">Tanca</string>
+  <string name="edit">Edita</string>
+  <string name="cancel">Cancel·la</string>
+  <string name="save">Desa</string>
+
+  <!-- Sharing -->
+  <string name="share_map_subject">M\'agradaria compartir un mapa amb tu</string>
+  <string name="share_map_body_format">Crec que estaràs interessat en aquest mapa:
+
+      %s</string>
+  <string name="send_track_subject">M\'agradaria compartir una ruta amb tu</string>
+  <string name="send_track_body_format">Crec que estaràs interessat en aquesta ruta.
+
+    Per verue aquesta ruta fes servir Google Earth o altre programari de mapes.</string>
+
+  <!-- Visibility -->
+  <string name="public_map">Públic</string>
+  <string name="unlisted_map">No llistat</string>
+  <string name="mapslist_no_maps_available">Encara no teniu cap mapa.</string>
+
+  <!-- Statistics View -->
+  <!-- Average Moving -->
+  <string name="average_moving_speed_label">Average Moving Speed</string>
+  <string name="average_moving_pace_label">Average Moving Pace</string>
+
+  <!-- Average -->
+  <string name="average_speed_label">Velocitat mitjana</string>
+  <string name="average_pace_label">Ritme de pas mitjà</string>
+
+  <string name="elevation_chart_name">Gràfic d\'elevació</string>
+  <string name="elevation_gain_label">Guany d\'elevació</string>
+  <string name="elevation_label">Elevació</string>
+  <string name="latitude_label">Latitud</string>
+  <string name="longitude_label">Longitud</string>
+
+  <!-- Min -->
+  <string name="min_elevation_label">Elevació mínima</string>
+  <string name="min_grade_label">Grau mínim</string>
+  <string name="min_pace_label">Ritme de pas mínima</string>
+
+  <!-- Max -->
+  <string name="max_elevation_label">Elevació màxima</string>
+  <string name="max_grade_label">Grau màxim</string>
+  <string name="max_speed_label">Velocitat màxima</string>
+
+  <string name="loading_track">S\'està carregant la ruta...</string>
+
+  <!-- Chart Settings -->
+  <string name="chart_settings">Configuració del gràfic</string>
+  <!-- X Axis -->
+  <string name="x_axis">Eix X</string>
+  <string name="by_distance">Per distància</string>
+  <string name="by_time">Per temps</string>
+
+  <!-- Y Axis -->
+  <string name="y_axis">Eix Y</string>
+
+  <!-- Units -->
+  <!-- Time  -->
+  <string name="hour">hora</string>
+  <string name="hours">hores</string>
+  <string name="minute">minut</string>
+  <string name="minutes">minuts</string>
+  <string name="second">segon</string>
+  <string name="seconds">segons</string>
+
+  <!-- Distance -->
+  <string name="kilometers_long">kilòmetres</string>
+  <string name="miles_long">milles</string>
+
+  <!-- Speed and Pace -->
+  <string name="kilometer_per_hour_long">kilòmetres per hora</string>
+  <string name="per_kilometer">per kilòmetre</string>
+  <string name="mile_per_hour_long">milles per hora</string>
+  <string name="per_mile">per milla</string>
+
+  <!-- Stats Labels -->
+  <string name="moving_time_label">Temps en moviment</string>
+  <string name="total_time_label">Temps total</string>
+  <string name="time_label">Temps</string>
+  <string name="sd_unavail">La targeta SD no està disponible</string>
+  <string name="speed">Velocitat</string>
+  <string name="start_trip">Heu d\'iniciar la marxa.</string>
+  <string name="statistics">Estadístiques</string>
+  <string name="total_distance_label">Distància total</string>
+  <string name="distance_label">Distància</string>
+  <string name="power">Energia</string>
+  <string name="cadence">Cadència</string>
+  <string name="heart_rate">Freqüència cardíaca</string>
+  <string name="max_heart_rate">Freqüència cardíaca màxima</string>
+  <string name="waiting">S\'està esperant...</string>
+
+  <!-- End User License Agreement -->
+  <string name="eula_title">Acord de llicencia d\'usuari final</string>
+  <string name="accept">Accepta</string>
+  <string name="decline">Rebutja</string>
+
+  <!-- About -->
+  <string name="about">Quant a</string>
+  <string name="help">Ajuda</string>
+  <string name="about_team">Equip:</string>
+  <string name="about_version">Versió:</string>
+  <string name="about_email">Assistència</string>
+  <string name="about_support">Assistència:</string>
+
+  <!-- Send to Google -->
+  <string name="sendtogoogle_title">Envia a...</string>
+  <string name="sendtogoogle_send_now">Envia ara</string>
+  <string name="sendtogoogle_create_new_map">Crea un mapa nou</string>
+  <string name="sendtogoogle_pick_existing_map">Seleccioneu un mapa existent</string>
+  <string name="sendtogoogle_send_stats">Envia les estadístiques de la ruta</string>
+  <string name="sendtogoogle_send_stats_and_points">Envia les estadístiques i els punts</string>
+
+  <!-- Getting the account to upload to. -->
+  <string name="no_account_found_title">No s\'ha trobat cap compte</string>
+  <string name="no_account_found">No s\'ha trobat cap compte on pujar les rutes.</string>
+  <string name="choose_account_title">Trieu un compte</string>
+
+  <!-- SD card -->
+  <string name="io_no_external_storage_found">No s\'ha trobat cap dispositiu d\'emmagatzematge extern. Assegureu-vos que la targeta SD està inserida i que el telèfon no està connectat a un ordinador.</string>
+  <string name="io_write_failed">No es pot escriure a un fitxer.</string>
+  <string name="io_read_failed">No es pot llegir des del fitxer.</string>
+  <string name="io_create_dir_failed">No es pot crear el directori a la targeta SD.</string>
+  <string name="io_write_finished">S\'ha finalitzat l\'escriptura a la targeta SD.</string>
+  <string name="io_read_finished">S\'ha finalitzat la lectura a la targeta SD.</string>
+
+  <!-- VersionChecker -->
+  <string name="version_check_title">Comprovació d\'actualitzacions</string>
+  <string name="version_check_upgrade_button">Actualitza ara</string>
+  <string name="version_check_continue_button">Continua sense actualitzar</string>
+  <string name="upgrade_required">La vostra versió de %1$s podria no funcionar correctament a partir d\'ara i no està suportada. Actualitzeu per continuar fent servir %1$s.</string>
+  <string name="upgrade_recommended">La vostra versió de %1$s podria no funcionar correctament a partir d\'ara. Heu d\'actualitzar-la ara o continuar fent-la servir pel vostre compte. Algunes funcionalitats com la sincronització podrien no funcionar fins que no actualitzeu.</string>
+  <string name="upgrade_available">Hi ha una nova versió disponible de %1$s. Podeu continuar fent servir la vostra versió sense cap problema, però no aconseguireu les darreres funcionalitats fins que no actualitzeu.</string>
+
+  <!-- Welcome -->
+  <string name="welcome">Benvingut</string>
+  <string name="welcome_read_later">D\'acord</string>
+  <string name="welcome_about">Quant a My Tracks</string>
+
+  <!-- Announcement -->
+  <string name="announce_no_distance">Sense distància My Tracks</string>
+  <!-- Format:
+  $1 : Distance label
+  $2 : Distance value (5)
+  $3 : Distance units (mi, km)
+  $4 : Time description (10 minutes 5 seconds)
+  $5 : Speed value (5.6) : Pace value (5 minutes 6 seconds)
+  $6 : Speed units (mph) : Pace units (per mile)
+  -->
+  <string name="announce_template">My Tracks %1$s %2$.2f %3$s en %4$s at %5$s %6$s</string>
+
+  <!-- Check Units -->
+  <string name="check_units_title">Avís de les unitats de mesura</string>
+  <string name="check_units_message">Les unitats són mètriques per defecte. Voleu canviar aquest paràmetre?</string>
+
+  <!-- Signal Strength -->
+  <string name="error_rate"> Rati d\'error: %1$d</string>
+  <string name="signal_to_noise_ratio"> Relació senyal/soroll: %1$d</string>
+  <string name="ecio"> Ec/lo: %1$.1f dB</string>
+  <string name="gsm_strength">Intensistat GSM: %1$d</string>
+  <string name="cdma_strength">Intensitat CDMA: %1$d dBm</string>
+  <string name="evdo_strength">Intensitat EVDO: %1$d dBm</string>
+
+  <!-- Fake preference keys - never saved, but show options in the preferences screen -->
+  <string name="bluetooth_options">Opcions del Bluetooth</string>
+  <string name="bluetooth_pairing">Associació de dispositius</string>
+  <string name="bluetooth_pairing_summary">Obriu els paràmetres de bluetooth de l\'Android per associar un dispositiu</string>
+  <string name="sensor_bluetooth_options_key">bluetoothSensorsEnabled</string>
+  <string name="sensor_options">Opcions del sensor</string>
+
+  <!-- Bluetooth Sensor -->
+  <string name="bluetooth_connected">Connectat a %s</string>
+  <string name="bluetooth_connecting">Connexió del sensor bluetooth...</string>
+  <string name="bluetooth_not_connected">El sensor bluetooth no està connectat</string>
+
+  <!-- Sensor State -->
+  <string name="sensor_data_time">Dades del sensor de temps</string>
+  <string name="power_meter_enabled">S\'ha habilitat el mesurador de potència</string>
+  <string name="heart_rate_monitor_enabled">S\'ha habilitat el monitor de la freqüència cardíaca</string>
+  <string name="no_sensor_manager">Cap gestor de sensors</string>
+  <string name="enabled">Habilitat</string>
+  <string name="connecting">S\'està connectant</string>
+  <string name="connected">S\'ha connectat</string>
+  <string name="disconnected">S\'ha desconnectat</string>
+  <string name="no_sensor_service">Cap servei de sensor</string>
+  <string name="searching">S\'està cercant</string>
+  <string name="sending">S\'està enviant</string>
+
+</resources>
diff --git a/MyTracks/res/values-pl/strings.xml b/MyTracks/res/values-pl/strings.xml
index 2d597a9e2..017176bb3 100644
--- a/MyTracks/res/values-pl/strings.xml
+++ b/MyTracks/res/values-pl/strings.xml
@@ -361,6 +361,8 @@ limitations under the License.
   <string name="about_version">Wersja:</string>
   <string name="about_email">Wsparcie</string>
   <string name="about_support">Wsparcie:</string>
+  
+  <string name="about_bart">Bartłomiej Niechwiej</string>
 
   <!-- Send to Google -->
   <string name="sendtogoogle_title">Wyślij do...</string>
diff --git a/MyTracks/res/values/strings.xml b/MyTracks/res/values/strings.xml
index b837dcc82..c2d8886e9 100644
--- a/MyTracks/res/values/strings.xml
+++ b/MyTracks/res/values/strings.xml
@@ -388,6 +388,7 @@ limitations under the License.
   <string name="about_googlegroups">mytracks@googlegroups.com</string>
   <string name="about_weburl">mytracks.appspot.com</string>
   <string name="about_copyright_message">Copyright 2009 Google Inc.</string>
+  <string name="about_bart">Bartlomiej Niechwiej</string>
   <string name="about_dylan">Dylan Casey</string>
   <string name="about_leif">Leif Hendrik Wilden</string>
   <string name="about_rdamazio">Rodrigo Damazio Bovendorp</string>
diff --git a/MyTracks/src/com/google/android/apps/mytracks/MyTracks.java b/MyTracks/src/com/google/android/apps/mytracks/MyTracks.java
index c7ade2cdc..ddf9306eb 100644
--- a/MyTracks/src/com/google/android/apps/mytracks/MyTracks.java
+++ b/MyTracks/src/com/google/android/apps/mytracks/MyTracks.java
@@ -25,7 +25,6 @@ import com.google.android.apps.mymaps.MyMapsConstants;
 import com.google.android.apps.mymaps.MyMapsList;
 import com.google.android.apps.mytracks.content.MyTracksProviderUtils;
 import com.google.android.apps.mytracks.content.Track;
-import com.google.android.apps.mytracks.content.Waypoint;
 import com.google.android.apps.mytracks.content.WaypointCreationRequest;
 import com.google.android.apps.mytracks.io.AuthManager;
 import com.google.android.apps.mytracks.io.AuthManagerFactory;
@@ -94,9 +93,6 @@ import org.xml.sax.SAXException;
 public class MyTracks extends TabActivity implements OnTouchListener,
     OnSharedPreferenceChangeListener, ProgressIndicator {
 
-  private static final String WAYPOINT_ICON_URL =
-      "http://maps.google.com/mapfiles/ms/micons/blue-pushpin.png";
-
   /**
    * Singleton instance
    */
diff --git a/MyTracksLib/src/com/google/android/apps/mytracks/content/MyTracksProviderUtils.java b/MyTracksLib/src/com/google/android/apps/mytracks/content/MyTracksProviderUtils.java
index 56c70db13..2dd891ac2 100644
--- a/MyTracksLib/src/com/google/android/apps/mytracks/content/MyTracksProviderUtils.java
+++ b/MyTracksLib/src/com/google/android/apps/mytracks/content/MyTracksProviderUtils.java
@@ -21,6 +21,7 @@ import android.database.Cursor;
 import android.location.Location;
 import android.net.Uri;
 
+import java.util.Iterator;
 import java.util.List;
 
 /**
@@ -309,6 +310,87 @@ public interface MyTracksProviderUtils {
    * @return a new waypoint object
    */
   Waypoint createWaypoint(Cursor cursor);
+  
+  /**
+   * A lightweight wrapper around the original {@link Cursor} with a method to clean up.
+   */
+  interface LocationIterator extends Iterator<Location> {
+    /**
+     * Returns ID of the most recently retrieved track point through a call to {@link #next()}.
+     * 
+     * @return the ID of the most recent track point ID.
+     */
+    long getLocationId();
+    
+    /**
+     * Should be called in case the underlying iterator hasn't reached the last record.
+     */
+    void close();
+  }
+  
+  /**
+   * A factory for creating new {@class Location}s.
+   */
+  interface LocationFactory {
+    /**
+     * Creates a new {@link Location} object to be populated from the underlying database record.
+     * It's up to the implementing class to decide whether to create a new instance or reuse
+     * existing to optimize for speed.
+     * 
+     * @return a {@link Location} to be populated from the database.
+     */
+    Location createLocation();
+  }
+  
+  /**
+   * The default {@class Location}s factory, which creates a new location of 'gps' type.
+   */
+  LocationFactory DEFAULT_LOCATION_FACTORY = new LocationFactory() {
+    @Override
+    public Location createLocation() {
+      return new Location("gps");
+    }
+  };
+  
+  /**
+   * Creates a new read-only iterator over all track points for the given track.  It provides
+   * a lightweight way of iterating over long tracks without failing due to the underlying cursor
+   * limitations. Since it's a read-only iterator, {@link Iterator#remove()} always throws
+   * {@class UnsupportedOperationException}.
+   * 
+   * Each call to {@link LocationIterator#next()} may advance to the next DB record, and if so,
+   * the iterator calls {@link LocationFactory#createLocation()} and populates it with information
+   * retrieved from the record.
+   * 
+   * When done with iteration, you must call {@link LocationIterator#close()} to make sure that all
+   * resources are properly deallocated.
+   * 
+   * Example use:
+   * <code>
+   *   ...
+   *   LocationIterator it = providerUtils.getLocationIterator(
+   *       1, MyTracksProviderUtils.DEFAULT_LOCATION_FACTORY);
+   *   try {
+   *     for (Location loc : it) {
+   *       ...  // Do something useful with the location.
+   *     }
+   *   } finally {
+   *     it.close();
+   *   }
+   *   ...
+   * </code>
+   * 
+   * @param trackId the ID of a track to retrieve locations for.
+   * @param startTrackPointId the ID of the first track point to load, or -1 to start from
+   *        the first point.
+   * @param descending if true the results will be returned in descending ID
+   *        order (latest location first).
+   * @param locationFactory the factory for creating new locations.
+   * 
+   * @return the read-only iterator over the given track's points.
+   */
+  LocationIterator getLocationIterator(long trackId, long startTrackPointId, boolean descending,
+      LocationFactory locationFactory);
 
   /**
    * A factory which can produce instances of {@link MyTracksProviderUtils},
diff --git a/MyTracksLib/src/com/google/android/apps/mytracks/content/MyTracksProviderUtilsImpl.java b/MyTracksLib/src/com/google/android/apps/mytracks/content/MyTracksProviderUtilsImpl.java
index a8ac9aa4a..33bfb6eef 100644
--- a/MyTracksLib/src/com/google/android/apps/mytracks/content/MyTracksProviderUtilsImpl.java
+++ b/MyTracksLib/src/com/google/android/apps/mytracks/content/MyTracksProviderUtilsImpl.java
@@ -15,7 +15,7 @@
  */
 package com.google.android.apps.mytracks.content;
 
-import static com.google.android.apps.mytracks.lib.MyTracksLibConstants.*;
+import static com.google.android.apps.mytracks.lib.MyTracksLibConstants.TAG;
 import com.google.android.apps.mytracks.content.Sensor;
 import com.google.android.apps.mytracks.stats.TripStatistics;
 import com.google.protobuf.InvalidProtocolBufferException;
@@ -29,6 +29,7 @@ import android.util.Log;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.NoSuchElementException;
 
 /**
  * Helper class providing easy access to locations and tracks in the
@@ -39,6 +40,8 @@ import java.util.List;
 public class MyTracksProviderUtilsImpl implements MyTracksProviderUtils {
 
   private final ContentResolver contentResolver;
+  
+  private int defaultCursorBatchSize = 2000;
 
   public MyTracksProviderUtilsImpl(ContentResolver contentResolver) {
     this.contentResolver = contentResolver;
@@ -186,55 +189,78 @@ public class MyTracksProviderUtilsImpl implements MyTracksProviderUtils {
     fillLocation(cursor, location);
     return location;
   }
+
+  /**
+   * A cache of track column indices.
+   */
+  private static class CachedTrackColumnIndices {
+    public final int idxId;
+    public final int idxLatitude;
+    public final int idxLongitude;
+    public final int idxAltitude;
+    public final int idxTime; 
+    public final int idxBearing; 
+    public final int idxAccuracy;
+    public final int idxSpeed;
+    public final int idxSensor; 
   
-  @Override
-  public void fillLocation(Cursor cursor, Location location) {
+    public CachedTrackColumnIndices(Cursor cursor) {
+      idxId = cursor.getColumnIndex(TrackPointsColumns._ID);
+      idxLatitude = cursor.getColumnIndexOrThrow(TrackPointsColumns.LATITUDE);
+      idxLongitude = cursor.getColumnIndexOrThrow(TrackPointsColumns.LONGITUDE);
+      idxAltitude = cursor.getColumnIndexOrThrow(TrackPointsColumns.ALTITUDE);
+      idxTime = cursor.getColumnIndexOrThrow(TrackPointsColumns.TIME);
+      idxBearing = cursor.getColumnIndexOrThrow(TrackPointsColumns.BEARING);
+      idxAccuracy = cursor.getColumnIndexOrThrow(TrackPointsColumns.ACCURACY);
+      idxSpeed = cursor.getColumnIndexOrThrow(TrackPointsColumns.SPEED);
+      idxSensor = cursor.getColumnIndexOrThrow(TrackPointsColumns.SENSOR);
+    }
+  }
+  
+  private void fillLocation(Cursor cursor, CachedTrackColumnIndices columnIndices,
+      Location location) {
     location.reset();
-
-    int idxLatitude = cursor.getColumnIndexOrThrow(TrackPointsColumns.LATITUDE);
-    int idxLongitude =
-        cursor.getColumnIndexOrThrow(TrackPointsColumns.LONGITUDE);
-    int idxAltitude = cursor.getColumnIndexOrThrow(TrackPointsColumns.ALTITUDE);
-    int idxTime = cursor.getColumnIndexOrThrow(TrackPointsColumns.TIME);
-    int idxBearing = cursor.getColumnIndexOrThrow(TrackPointsColumns.BEARING);
-    int idxAccuracy = cursor.getColumnIndexOrThrow(TrackPointsColumns.ACCURACY);
-    int idxSpeed = cursor.getColumnIndexOrThrow(TrackPointsColumns.SPEED);
-    int idxSensor = cursor.getColumnIndexOrThrow(TrackPointsColumns.SENSOR);
-
-    if (!cursor.isNull(idxLatitude)) {
-      location.setLatitude(1. * cursor.getInt(idxLatitude) / 1E6);
+    
+    if (!cursor.isNull(columnIndices.idxLatitude)) {
+      location.setLatitude(1. * cursor.getInt(columnIndices.idxLatitude) / 1E6);
     }
-    if (!cursor.isNull(idxLongitude)) {
-      location.setLongitude(1. * cursor.getInt(idxLongitude) / 1E6);
+    if (!cursor.isNull(columnIndices.idxLongitude)) {
+      location.setLongitude(1. * cursor.getInt(columnIndices.idxLongitude) / 1E6);
     }
-    if (!cursor.isNull(idxAltitude)) {
-      location.setAltitude(cursor.getFloat(idxAltitude));
+    if (!cursor.isNull(columnIndices.idxAltitude)) {
+      location.setAltitude(cursor.getFloat(columnIndices.idxAltitude));
     }
-    if (!cursor.isNull(idxTime)) {
-      location.setTime(cursor.getLong(idxTime));
+    if (!cursor.isNull(columnIndices.idxTime)) {
+      location.setTime(cursor.getLong(columnIndices.idxTime));
     }
-    if (!cursor.isNull(idxBearing)) {
-      location.setBearing(cursor.getFloat(idxBearing));
+    if (!cursor.isNull(columnIndices.idxBearing)) {
+      location.setBearing(cursor.getFloat(columnIndices.idxBearing));
     }
-    if (!cursor.isNull(idxSpeed)) {
-      location.setSpeed(cursor.getFloat(idxSpeed));
+    if (!cursor.isNull(columnIndices.idxSpeed)) {
+      location.setSpeed(cursor.getFloat(columnIndices.idxSpeed));
     }
-    if (!cursor.isNull(idxAccuracy)) {
-      location.setAccuracy(cursor.getFloat(idxAccuracy));
+    if (!cursor.isNull(columnIndices.idxAccuracy)) {
+      location.setAccuracy(cursor.getFloat(columnIndices.idxAccuracy));
     }
     if (location instanceof MyTracksLocation &&
-        !cursor.isNull(idxSensor)) {
+        !cursor.isNull(columnIndices.idxSensor)) {
       MyTracksLocation mtLocation = (MyTracksLocation) location;
       // TODO get the right buffer.
       Sensor.SensorDataSet sensorData;
       try {
-        sensorData = Sensor.SensorDataSet.parseFrom(cursor.getBlob(idxSensor));
+        sensorData = Sensor.SensorDataSet.parseFrom(cursor.getBlob(columnIndices.idxSensor));
         mtLocation.setSensorData(sensorData);
       } catch (InvalidProtocolBufferException e) {
         Log.w(TAG, "Failed to parse sensor data.", e);
       }
     }
   }
+  
+  @Override
+  public void fillLocation(Cursor cursor, Location location) {
+    CachedTrackColumnIndices columnIndicies = new CachedTrackColumnIndices(cursor);
+    fillLocation(cursor, columnIndicies, location);
+  }
 
   @Override
   public Track createTrack(Cursor cursor) {
@@ -792,13 +818,12 @@ public class MyTracksProviderUtilsImpl implements MyTracksProviderUtils {
   public Cursor getLocationsCursor(long trackId, long minTrackPointId,
       int maxLocations, boolean descending) {
     String selection; 
-    if (minTrackPointId > 0) {
-      selection = String.format("%s=%d AND %s>=%d",
-          TrackPointsColumns.TRACKID, trackId,
-          TrackPointsColumns._ID, minTrackPointId);
+    if (minTrackPointId >= 0) {
+      selection = String.format("%s=%d AND %s%s%d",
+          TrackPointsColumns.TRACKID, trackId, TrackPointsColumns._ID,
+          descending ? "<=" : ">=", minTrackPointId);
     } else {
-      selection = String.format("%s=%d",
-          TrackPointsColumns.TRACKID, trackId);
+      selection = String.format("%s=%d", TrackPointsColumns.TRACKID, trackId);
     }
 
     String sortOrder = "_id " + (descending ? "DESC" : "ASC");
@@ -806,8 +831,7 @@ public class MyTracksProviderUtilsImpl implements MyTracksProviderUtils {
       sortOrder += " LIMIT " + maxLocations;
     }
 
-    return contentResolver.query(
-        TrackPointsColumns.CONTENT_URI, null, selection, null, sortOrder);
+    return contentResolver.query(TrackPointsColumns.CONTENT_URI, null, selection, null, sortOrder);
   }
 
   @Override
@@ -951,4 +975,85 @@ public class MyTracksProviderUtilsImpl implements MyTracksProviderUtils {
     contentResolver.update(TracksColumns.CONTENT_URI,
         createContentValues(track), "_id=" + track.getId(), null);
   }
+
+  @Override
+  public LocationIterator getLocationIterator(final long trackId, final long startTrackPointId,
+      final boolean descending, final LocationFactory locationFactory) {
+    if (locationFactory == null) {
+      throw new IllegalArgumentException("Expecting non-null locationFactory");
+    }
+    return new LocationIterator() {
+      private long lastTrackPointId = startTrackPointId;
+      private Cursor cursor = getCursor(startTrackPointId);
+      private final CachedTrackColumnIndices columnIndices = cursor != null ?
+          new CachedTrackColumnIndices(cursor) : null;
+          
+      private Cursor getCursor(long trackPointId) {
+        return getLocationsCursor(trackId, trackPointId, defaultCursorBatchSize, descending);
+      }
+
+      private boolean advanceCursorToNextBatch() {
+        long pointId = lastTrackPointId + (descending ? -1 : 1);
+        Log.d(TAG, "Advancing cursor point ID: " + pointId);
+        cursor.close();
+        cursor = getCursor(pointId);
+        return cursor != null;
+      }
+        
+      @Override
+      public long getLocationId() {
+        return lastTrackPointId;
+      }
+
+      @Override
+      public boolean hasNext() {
+        if (cursor == null) {
+          return false;
+        }
+        if (cursor.isAfterLast()) {
+          return false;
+        }
+        if (cursor.isLast()) {
+          // If the current batch size was less that max, we can safely return, otherwise
+          // we need to advance to the next batch.
+          return cursor.getCount() == defaultCursorBatchSize &&
+              advanceCursorToNextBatch() && !cursor.isAfterLast();
+        }
+        
+        return true;
+      }
+
+      @Override
+      public Location next() {
+        if (cursor == null ||
+            !(cursor.moveToNext() || advanceCursorToNextBatch() || cursor.moveToNext())) {
+          throw new NoSuchElementException();
+        }
+        
+        lastTrackPointId = cursor.getLong(columnIndices.idxId);
+        Location location = locationFactory.createLocation();
+        fillLocation(cursor, columnIndices, location);
+        
+        return location;
+      }
+
+      @Override
+      public void close() {
+        if (cursor != null) {
+          cursor.close();
+          cursor = null;
+        }
+      }
+      
+      @Override
+      public void remove() {
+        throw new UnsupportedOperationException();
+      }
+    };
+  }
+  
+  // @VisibleForTesting
+  void setDefaultCursorBatchSize(int defaultCursorBatchSize) {
+    this.defaultCursorBatchSize = defaultCursorBatchSize;
+  }
 }
diff --git a/MyTracksTest/src/com/google/android/apps/mytracks/content/MyTracksProviderUtilsImplTest.java b/MyTracksTest/src/com/google/android/apps/mytracks/content/MyTracksProviderUtilsImplTest.java
new file mode 100644
index 000000000..9107221a9
--- /dev/null
+++ b/MyTracksTest/src/com/google/android/apps/mytracks/content/MyTracksProviderUtilsImplTest.java
@@ -0,0 +1,171 @@
+/*
+ * Copyright 2010 Google Inc.
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not
+ * use this file except in compliance with the License. You may obtain a copy of
+ * the License at
+ * 
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+ * License for the specific language governing permissions and limitations under
+ * the License.
+ */
+package com.google.android.apps.mytracks.content;
+
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils.LocationFactory;
+import com.google.android.apps.mytracks.content.MyTracksProviderUtils.LocationIterator;
+import com.google.android.apps.mytracks.services.TrackRecordingServiceTest.MockContext;
+
+import android.content.Context;
+import android.location.Location;
+import android.test.AndroidTestCase;
+import android.test.RenamingDelegatingContext;
+import android.test.mock.MockContentResolver;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicInteger;
+
+/**
+ * A unit test for {@link MyTracksProviderUtilsImpl}.
+ *
+ * @author Bartlomiej Niechwiej
+ */
+public class MyTracksProviderUtilsImplTest extends AndroidTestCase {
+  private Context context;
+  private MyTracksProviderUtils providerUtils;
+
+  @Override
+  protected void setUp() throws Exception {
+    super.setUp();
+    
+    MockContentResolver mockContentResolver = new MockContentResolver();
+    RenamingDelegatingContext targetContext = new RenamingDelegatingContext(
+        getContext(), getContext(), "test.");
+    context = new MockContext(mockContentResolver, targetContext);
+    MyTracksProvider provider = new MyTracksProvider();
+    provider.attachInfo(context, null);
+    mockContentResolver.addProvider(MyTracksProviderUtils.AUTHORITY, provider);
+    setContext(context);
+
+    providerUtils = MyTracksProviderUtils.Factory.get(context);
+  }
+
+  public void testLocationIterator_noPoints() {
+    testIterator(1, 0, 1, false, MyTracksProviderUtils.DEFAULT_LOCATION_FACTORY);
+  }
+
+  public void testLocationIterator_customFactory() {
+    final Location location = new Location("test_location");
+    final AtomicInteger counter = new AtomicInteger();
+    testIterator(1, 15, 4, false, new LocationFactory() {
+      @Override
+      public Location createLocation() {
+        counter.incrementAndGet();
+        return location;
+      }
+    });
+    // Make sure we were called exactly as many times as we had track points.
+    assertEquals(15, counter.get());
+  }
+  
+  public void testLocationIterator_nullFactory() {
+    try {
+      testIterator(1, 15, 4, false, null);
+      fail("Expecting IllegalArgumentException");
+    } catch (IllegalArgumentException e) {
+      // Expected.
+    }
+  }
+
+  public void testLocationIterator_noBatchAscending() {
+    testIterator(1, 50, 100, false, MyTracksProviderUtils.DEFAULT_LOCATION_FACTORY);
+    testIterator(2, 50, 50, false, MyTracksProviderUtils.DEFAULT_LOCATION_FACTORY);
+  }
+  
+  public void testLocationIterator_noBatchDescending() {
+    testIterator(1, 50, 100, true, MyTracksProviderUtils.DEFAULT_LOCATION_FACTORY);
+    testIterator(2, 50, 50, true, MyTracksProviderUtils.DEFAULT_LOCATION_FACTORY);
+  }
+ 
+  public void testLocationIterator_batchAscending() {
+    testIterator(1, 50, 11, false, MyTracksProviderUtils.DEFAULT_LOCATION_FACTORY);
+    testIterator(2, 50, 25, false, MyTracksProviderUtils.DEFAULT_LOCATION_FACTORY);
+  }
+ 
+  public void testLocationIterator_batchDescending() {
+    testIterator(1, 50, 11, true, MyTracksProviderUtils.DEFAULT_LOCATION_FACTORY);
+    testIterator(2, 50, 25, true, MyTracksProviderUtils.DEFAULT_LOCATION_FACTORY);
+  }
+  
+  public void testLocationIterator_largeTrack() {
+    testIterator(1, 20000, 2000, false, MyTracksProviderUtils.DEFAULT_LOCATION_FACTORY);
+  }
+
+  private List<Location> testIterator(long trackId, int numPoints, int batchSize,
+      boolean descending, LocationFactory locationFactory) {
+    long lastPointId = initializeTrack(trackId, numPoints);
+    ((MyTracksProviderUtilsImpl) providerUtils).setDefaultCursorBatchSize(batchSize);
+    List<Location> locations = new ArrayList<Location>(numPoints);
+    LocationIterator it = providerUtils.getLocationIterator(trackId, -1, descending, locationFactory);
+    try {
+      while (it.hasNext()) {
+        Location loc = it.next();
+        assertNotNull(loc);
+        locations.add(loc);
+        // Make sure the IDs are returned in the right order.
+        assertEquals(descending ? lastPointId - locations.size() + 1
+            : lastPointId - numPoints + locations.size(), it.getLocationId());
+      }
+      assertEquals(numPoints, locations.size());
+    } finally {
+      it.close();
+    }
+    return locations;
+  }
+  
+  private long initializeTrack(long id, int numPoints) {
+    Track track = new Track();
+    track.setId(id);
+    track.setName("Test: " + id);
+    track.setNumberOfPoints(numPoints);
+    providerUtils.insertTrack(track);
+    track = providerUtils.getTrack(id);
+    assertNotNull(track);
+    
+    Location[] locations = new Location[numPoints];
+    for (int i = 0; i < numPoints; ++i) {
+      Location loc = new Location("test");
+      loc.setLatitude(37.0 + (double) i / 10000.0);
+      loc.setLongitude(57.0 - (double) i / 10000.0);
+      loc.setAccuracy((float) i / 100.0f);
+      loc.setAltitude(i * 2.5);
+      locations[i] = loc;
+    }
+    providerUtils.bulkInsertTrackPoints(locations, numPoints, id);
+    
+    // Load all inserted locations. 
+    long lastPointId = -1;
+    int counter = 0;
+    LocationIterator it = providerUtils.getLocationIterator(id, -1, false,
+        MyTracksProviderUtils.DEFAULT_LOCATION_FACTORY);
+    try {
+      while (it.hasNext()) {
+        it.next();
+        lastPointId = it.getLocationId();
+        counter++;
+      }
+    } finally {
+      it.close();
+    }
+
+    assertTrue(numPoints == 0 || lastPointId > 0);
+    assertEquals(numPoints, track.getNumberOfPoints());
+    assertEquals(numPoints, counter);
+    
+    return lastPointId;
+  }
+}
diff --git a/MyTracksTest/src/com/google/android/apps/mytracks/services/TrackRecordingServiceTest.java b/MyTracksTest/src/com/google/android/apps/mytracks/services/TrackRecordingServiceTest.java
index 3391e3957..9f3e0e186 100644
--- a/MyTracksTest/src/com/google/android/apps/mytracks/services/TrackRecordingServiceTest.java
+++ b/MyTracksTest/src/com/google/android/apps/mytracks/services/TrackRecordingServiceTest.java
@@ -78,9 +78,11 @@ public class TrackRecordingServiceTest
   }
 
   /**
-   * A context wrapper with the user provided {@link ContentResolver}.  
+   * A context wrapper with the user provided {@link ContentResolver}.
+   * 
+   * TODO: Move to test utils package.
    */
-  private static class MockContext extends ContextWrapper {
+  public static class MockContext extends ContextWrapper {
     private final ContentResolver contentResolver;
     
     public MockContext(ContentResolver contentResolver, Context base) {