diff --git a/app/build.gradle b/app/build.gradle
index 8cd71e1..55e1bce 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -10,7 +10,9 @@ android {
         targetSdkVersion project.ext.targetSdkVersion
         versionCode project.ext.versionCode
         versionName project.ext.versionName
+
         vectorDrawables.useSupportLibrary = true
+        resConfigs "en", "de", "id", "it", "ja", "nb-rNO", "nl", "v21", "w820dp"
     }
     buildTypes {
         release {
diff --git a/app/src/main/java/org/y20k/trackbook/MainActivityTrackFragment.java b/app/src/main/java/org/y20k/trackbook/MainActivityTrackFragment.java
index 2bb043d..6852645 100644
--- a/app/src/main/java/org/y20k/trackbook/MainActivityTrackFragment.java
+++ b/app/src/main/java/org/y20k/trackbook/MainActivityTrackFragment.java
@@ -337,10 +337,16 @@ public class MainActivityTrackFragment extends Fragment implements AdapterView.O
                     DateFormat.getTimeInstance(DateFormat.SHORT, Locale.getDefault()).format(mTrack.getRecordingStart());
             String recordingStop = DateFormat.getDateInstance(DateFormat.SHORT, Locale.getDefault()).format(mTrack.getRecordingStop()) + " " +
                     DateFormat.getTimeInstance(DateFormat.SHORT, Locale.getDefault()).format(mTrack.getRecordingStop());
+            String stepsTaken;
+            if (mTrack.getStepCount() == -1) {
+                stepsTaken = getString(R.string.statistics_sheet_p_steps_no_pedometer);
+            } else {
+                stepsTaken = String.valueOf(Math.round(mTrack.getStepCount()));
+            }
 
             // populate views
             mDistanceView.setText(mTrack.getTrackDistance());
-            mStepsView.setText(String.valueOf(Math.round(mTrack.getStepCount())));
+            mStepsView.setText(stepsTaken);
             mWaypointsView.setText(String.valueOf(mTrack.getWayPoints().size()));
             mDurationView.setText(mTrack.getTrackDuration());
             mRecordingStartView.setText(recordingStart);
diff --git a/app/src/main/res/values-de/strings.xml b/app/src/main/res/values-de/strings.xml
index 0ed72c5..108cca0 100644
--- a/app/src/main/res/values-de/strings.xml
+++ b/app/src/main/res/values-de/strings.xml
@@ -73,6 +73,7 @@
     <string name="statistics_sheet_p_default_data">keine Daten vorhanden</string>
     <string name="statistics_sheet_p_distance">Distanz (gesamt):</string>
     <string name="statistics_sheet_p_steps">Schrittzähler:</string>
+    <string name="statistics_sheet_p_steps_no_pedometer">Schrittzähler nicht verfügbar</string>
     <string name="statistics_sheet_p_waypoints">Aufgezeichnete Wegpunkte:</string>
     <string name="statistics_sheet_p_duration">Dauer (gesamt):</string>
     <string name="statistics_sheet_p_recording_start">Start der Aufzeichnung:</string>
diff --git a/app/src/main/res/values-id/strings.xml b/app/src/main/res/values-id/strings.xml
index 04c0431..5cab2fd 100644
--- a/app/src/main/res/values-id/strings.xml
+++ b/app/src/main/res/values-id/strings.xml
@@ -73,6 +73,7 @@
     <string name="statistics_sheet_p_default_data">track data missing</string>
     <string name="statistics_sheet_p_distance">Total distance:</string>
     <string name="statistics_sheet_p_steps">Steps taken:</string>
+    <string name="statistics_sheet_p_steps_no_pedometer">pedometer not available</string>
     <string name="statistics_sheet_p_waypoints">Recorded waypoints:</string>
     <string name="statistics_sheet_p_duration">Total duration:</string>
     <string name="statistics_sheet_p_recording_start">Recording started:</string>
diff --git a/app/src/main/res/values-it/strings.xml b/app/src/main/res/values-it/strings.xml
index ea54252..25f7397 100644
--- a/app/src/main/res/values-it/strings.xml
+++ b/app/src/main/res/values-it/strings.xml
@@ -73,6 +73,7 @@
     <string name="statistics_sheet_p_default_data">dati mancanti</string>
     <string name="statistics_sheet_p_distance">Distanza totale:</string>
     <string name="statistics_sheet_p_steps">Passi:</string>
+    <string name="statistics_sheet_p_steps_no_pedometer">pedometer not available</string>
     <string name="statistics_sheet_p_waypoints">Waypoint registrati:</string>
     <string name="statistics_sheet_p_duration">Durata totale:</string>
     <string name="statistics_sheet_p_recording_start">Registrazione avviata il:</string>
diff --git a/app/src/main/res/values-ja/strings.xml b/app/src/main/res/values-ja/strings.xml
index d2da693..88ee058 100644
--- a/app/src/main/res/values-ja/strings.xml
+++ b/app/src/main/res/values-ja/strings.xml
@@ -1,17 +1,22 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <resources>
+    <!-- activities -->
     <string name="app_name">Trackbook</string> <!-- please do not translate app_name - transcription into different alphabet types is fine though -->
     <string name="title_activity_infosheet">情報シート</string>
 
+    <!-- menu entries -->
     <string name="menu_my_location">私の場所</string>
     <string name="menu_about">アプリについて</string>
 
+    <!-- headers -->
     <string name="header_about">Trackbook について</string>
 
+    <!-- tabs -->
     <string name="tab_map">地図</string>
     <string name="tab_last_track">最後のトレース</string>
     <string name="tab_last_tracks">最後のトレース</string>
 
+    <!-- notification -->
     <string name="notification_title_trackbook_running">Trackbook 実行中</string>
     <string name="notification_title_trackbook_not_running">Trackbook は実行していません</string>
     <string name="notification_stop">停止</string>
@@ -21,13 +26,16 @@
     <string name="notification_channel_recording_name">Movement Recording State</string>
     <string name="notification_channel_recording_description">Display duration and distance. Option to stop movement recording.</string>
 
+    <!-- snackbar messages -->
     <string name="snackbar_message_tracking_stopped">トレースを停止しました</string>
     <string name="snackbar_message_tracking_started">トレースを開始しました</string>
     <string name="snackbar_message_location_offline">位置情報がオフです。Trackbook は動作しません。</string>
 
+    <!-- fab sub menu -->
     <string name="fab_sub_menu_clear">クリア</string>
     <string name="fab_sub_menu_save_and_clear">保存してクリア</string>
 
+    <!-- dialogs -->
     <string name="dialog_default_action_cancel">キャンセル</string>
     <string name="dialog_clear_content">記録をクリアしますか?</string>
     <string name="dialog_clear_action_clear">クリア</string>
@@ -41,6 +49,7 @@
     <string name="dialog_export_content_overwrite">File already exists. Export and overwrite this recording as GPX track.</string>
     <string name="dialog_export_action_overwrite">Export and Overwrite</string>
 
+    <!-- toast messages -->
     <string name="toast_message_permissions_granted">アクセス許可を付与しました。</string>
     <string name="toast_message_unable_to_start_app">Trackbook を起動できません。</string>
     <string name="toast_message_no_external_storage">外部ストレージにアクセスできません。</string>
@@ -54,19 +63,23 @@
     <string name="toast_message_export_success">GPX export successful:</string>
     <string name="toast_message_export_fail">GPX export failed:</string>
 
+    <!-- map markers -->
     <string name="marker_description_source">ソース</string>
     <string name="marker_description_time">時間</string>
     <string name="marker_description_accuracy">精度</string>
 
+    <!-- statistics sheet -->
     <string name="statistics_sheet_h1_statistics">統計情報</string>
     <string name="statistics_sheet_p_default_data">トレースデータが見つかりません</string>
     <string name="statistics_sheet_p_distance">総距離:</string>
     <string name="statistics_sheet_p_steps">歩数:</string>
+    <string name="statistics_sheet_p_steps_no_pedometer">pedometer not available</string>
     <string name="statistics_sheet_p_waypoints">記録されたウェイ ポイント:</string>
     <string name="statistics_sheet_p_duration">合計時間:</string>
     <string name="statistics_sheet_p_recording_start">記録の開始:</string>
     <string name="statistics_sheet_p_recording_stop">記録の停止:</string>
 
+    <!-- onboarding layout -->
     <string name="layout_onboarding_h1_welcome">こんにちは</string>
     <string name="layout_onboarding_description_app_icon">Trackbook アプリ アイコン</string>
     <string name="layout_onboarding_h2_app_name">Trackbook</string>
@@ -78,9 +91,11 @@
     <string name="layout_onboarding_p_permission_storage">Trackbook は、Android の外部ストレージに地図タイルをキャッシュする osmdroid を使用します。地図キャッシュは、ユーザー向けファイル・システムの最上位レベルの osmdroid フォルダーで見つけることができます。</string>
     <string name="layout_onboarding_button_okay">完了!</string>
 
+    <!-- track tab onboarding -->
     <string name="track_tab_onboarding_h1_part_1">記録したトレース</string>
     <string name="track_tab_onboarding_h1_part_2">… ここに表示されます。</string>
 
+    <!-- infosheet about -->
     <string name="infosheet_about_h1_about">Trackbook について</string>
     <string name="infosheet_about_h2_recorder">Android 用の移動レコーダー</string>
     <string name="infosheet_about_h3_version">バージョン 1.0 (Astronomy Domine)</string>
@@ -96,6 +111,7 @@
     <string name="infosheet_about_h3_external">WRITE_EXTERNAL_STORAGE アクセス許可</string>
     <string name="infosheet_about_p_external">Trackbook は、Android の外部ストレージに地図タイルをキャッシュする osmdroid を使用します。地図キャッシュは、ユーザー向けファイル・システムの最上位レベルの osmdroid フォルダーで見つけることができます。</string>
 
+    <!-- descriptions -->
     <string name="descr_map_current_track">現在のトレースのマッピング</string>
     <string name="descr_map_last_track">最後のトレースのマッピング</string>
     <string name="descr_fab_main">メイン アクション ボタン</string>
diff --git a/app/src/main/res/values-nb-rNO/strings.xml b/app/src/main/res/values-nb-rNO/strings.xml
index 5b9dd43..7abf514 100644
--- a/app/src/main/res/values-nb-rNO/strings.xml
+++ b/app/src/main/res/values-nb-rNO/strings.xml
@@ -1,17 +1,22 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <resources>
+    <!-- activities -->
     <string name="app_name">Trackbook</string> <!-- please do not translate app_name - transcription into different alphabet types is fine though -->
     <string name="title_activity_infosheet">Infoark</string>
 
+    <!-- menu entries -->
     <string name="menu_my_location">Min plasssering</string>
     <string name="menu_about">Om</string>
 
+    <!-- headers -->
     <string name="header_about">Om Trackbook</string>
 
+    <!-- tabs -->
     <string name="tab_map">KART</string>
     <string name="tab_last_track">SISTE TUR</string>
     <string name="tab_last_tracks">SISTE TURER</string>
 
+    <!-- notification -->
     <string name="notification_title_trackbook_running">Trackbook kjører</string>
     <string name="notification_title_trackbook_not_running">Trackbook kjører ikke</string>
     <string name="notification_stop">Stopp</string>
@@ -21,13 +26,16 @@
     <string name="notification_channel_recording_name">Movement Recording State</string>
     <string name="notification_channel_recording_description">Display duration and distance. Option to stop movement recording.</string>
 
+    <!-- snackbar messages -->
     <string name="snackbar_message_tracking_stopped">Sporing stoppet</string>
     <string name="snackbar_message_tracking_started">Sporing startet</string>
     <string name="snackbar_message_location_offline">Plassering avskrudd. Trackbook bil ikke fungere.</string>
 
+    <!-- fab sub menu -->
     <string name="fab_sub_menu_clear">Tøm</string>
     <string name="fab_sub_menu_save_and_clear">Lagre og tøm</string>
 
+    <!-- dialogs -->
     <string name="dialog_default_action_cancel">Avbryt</string>
     <string name="dialog_clear_content">Fjern opptak?</string>
     <string name="dialog_clear_action_clear">Tøm</string>
@@ -41,6 +49,7 @@
     <string name="dialog_export_content_overwrite">Fila finnes allerede. Eksporter og overskriv dette opptaket som en GPX-tur.</string>
     <string name="dialog_export_action_overwrite">Eksporter og overskriv</string>
 
+    <!-- toast messages -->
     <string name="toast_message_permissions_granted">Tilgang gitt.</string>
     <string name="toast_message_unable_to_start_app">Trackbook kan ikke starte.</string>
     <string name="toast_message_no_external_storage">Fikk ikke tilgang til ekstern lagring.</string>
@@ -54,19 +63,23 @@
     <string name="toast_message_export_success">GPX-eksportering vellykket:</string>
     <string name="toast_message_export_fail">GPX-eksportering mislyktes:</string>
 
+    <!-- map markers -->
     <string name="marker_description_source">Kilde</string>
     <string name="marker_description_time">Tid</string>
     <string name="marker_description_accuracy">Nøyaktighet</string>
 
+    <!-- statistics sheet -->
     <string name="statistics_sheet_h1_statistics">Statistikk</string>
     <string name="statistics_sheet_p_default_data">turdata mangler</string>
     <string name="statistics_sheet_p_distance">Total distanse:</string>
     <string name="statistics_sheet_p_steps">Skritt:</string>
+    <string name="statistics_sheet_p_steps_no_pedometer">pedometer not available</string>
     <string name="statistics_sheet_p_waypoints">Registrerte veipunkter:</string>
     <string name="statistics_sheet_p_duration">Total varighet:</string>
     <string name="statistics_sheet_p_recording_start">Opptak startet:</string>
     <string name="statistics_sheet_p_recording_stop">Opptak stoppet:</string>
 
+    <!-- onboarding layout -->
     <string name="layout_onboarding_h1_welcome">Hallo</string>
     <string name="layout_onboarding_description_app_icon">Programikon for Trackbook</string>
     <string name="layout_onboarding_h2_app_name">Trackbook</string>
@@ -78,9 +91,11 @@
     <string name="layout_onboarding_p_permission_storage">Trackbook brukerosmdroid, som hurtiglagrer kartfliser på Androids eksterne lagringsmedie. Du kan finne dette karthurtiglageret i osmdroid-mappa på topnivået av brukergrensesnittet.</string>
     <string name="layout_onboarding_button_okay">Skjønner!</string>
 
+    <!-- track tab onboarding -->
     <string name="track_tab_onboarding_h1_part_1">Dine registrerte turer</string>
     <string name="track_tab_onboarding_h1_part_2">… vil vises her</string>
 
+    <!-- infosheet about -->
     <string name="infosheet_about_h1_about">Om Trackbook</string>
     <string name="infosheet_about_h2_recorder">Bevegelsesopptaker for Android</string>
     <string name="infosheet_about_h3_version">Versjon 1.0 (Astronomy Domine)</string>
@@ -96,6 +111,7 @@
     <string name="infosheet_about_h3_external">Tilganger WRITE_EXTERNAL_STORAGE</string>
     <string name="infosheet_about_p_external">Trackbook bruker osmdroid, som hurtiglagrer fliser på Androids eksterne lagringsmedie. Du kan finne kartflisene i osmdroid-mappa på toppnivået av brukergrensesnittet.</string>
 
+    <!-- descriptions -->
     <string name="descr_map_current_track">Kartlegging av nåværende tur</string>
     <string name="descr_map_last_track">Kartlegging av forrige tur</string>
     <string name="descr_fab_main">Hovedhandlingsknapp</string>
diff --git a/app/src/main/res/values-nl/strings.xml b/app/src/main/res/values-nl/strings.xml
index 9d96cbc..88fb28e 100644
--- a/app/src/main/res/values-nl/strings.xml
+++ b/app/src/main/res/values-nl/strings.xml
@@ -1,17 +1,22 @@
 <?xml version='1.0' encoding='UTF-8'?>
 <resources>
+    <!-- activities -->
     <string name="app_name">Trackbook</string> <!-- please do not translate app_name - transcription into different alphabet types is fine though -->
     <string name="title_activity_infosheet">Informatieblad</string>
 
+    <!-- menu entries -->
     <string name="menu_my_location">Mijn locatie</string>
     <string name="menu_about">Over</string>
 
+    <!-- headers -->
     <string name="header_about">Over Trackbook</string>
 
+    <!-- tabs -->
     <string name="tab_map">KAART</string>
     <string name="tab_last_track">LAATSTE BAAN</string>
     <string name="tab_last_tracks">LAST TRACKS</string>
 
+    <!-- notification -->
     <string name="notification_title_trackbook_running">Trackbook is actief</string>
     <string name="notification_title_trackbook_not_running">Trackbook is niet actief</string>
     <string name="notification_stop">Stoppen</string>
@@ -21,13 +26,16 @@
     <string name="notification_channel_recording_name">Movement Recording State</string>
     <string name="notification_channel_recording_description">Display duration and distance. Option to stop movement recording.</string>
 
+    <!-- snackbar messages -->
     <string name="snackbar_message_tracking_stopped">Bijhouden gestopt</string>
     <string name="snackbar_message_tracking_started">Bijhouden gestart</string>
     <string name="snackbar_message_location_offline">Locatie is uitgeschakeld; Trackbook zal niet werken.</string>
 
+    <!-- fab sub menu -->
     <string name="fab_sub_menu_clear">Wissen</string>
     <string name="fab_sub_menu_save_and_clear">Opslaan en wissen</string>
 
+    <!-- dialogs -->
     <string name="dialog_default_action_cancel">Cancel</string>
     <string name="dialog_clear_content">Clear Recording?</string>
     <string name="dialog_clear_action_clear">Clear</string>
@@ -41,6 +49,7 @@
     <string name="dialog_export_content_overwrite">File already exists. Export and overwrite this recording as GPX track.</string>
     <string name="dialog_export_action_overwrite">Export and Overwrite</string>
 
+    <!-- toast messages -->
     <string name="toast_message_permissions_granted">Rechten verleend.</string>
     <string name="toast_message_unable_to_start_app">Trackbook kan niet worden gestart.</string>
     <string name="toast_message_no_external_storage">Toegang tot externe opslag kan niet worden verkregen.</string>
@@ -54,19 +63,23 @@
     <string name="toast_message_export_success">GPX export successful:</string>
     <string name="toast_message_export_fail">GPX export failed:</string>
 
+    <!-- map markers -->
     <string name="marker_description_source">Bron</string>
     <string name="marker_description_time">Tijd</string>
     <string name="marker_description_accuracy">Nauwkeurigheid</string>
 
+    <!-- statistics sheet -->
     <string name="statistics_sheet_h1_statistics">Statistieken</string>
     <string name="statistics_sheet_p_default_data">baangegevens ontbreken</string>
     <string name="statistics_sheet_p_distance">Totale afstand:</string>
     <string name="statistics_sheet_p_steps">Gezette stappen:</string>
+    <string name="statistics_sheet_p_steps_no_pedometer">pedometer not available</string>
     <string name="statistics_sheet_p_waypoints">Opgeslagen pauzelocaties:</string>
     <string name="statistics_sheet_p_duration">Totale duur:</string>
     <string name="statistics_sheet_p_recording_start">Bijhouden gestart:</string>
     <string name="statistics_sheet_p_recording_stop">Bijhouden gestopt:</string>
 
+    <!-- onboarding layout -->
     <string name="layout_onboarding_h1_welcome">Hallo</string>
     <string name="layout_onboarding_description_app_icon">Trackbook-app-pictogram</string>
     <string name="layout_onboarding_h2_app_name">Trackbook</string>
@@ -78,9 +91,11 @@
     <string name="layout_onboarding_p_permission_storage">Trackbook gebruikt osmdroid. osmdroid slaat kaarttegels op in een cache op Android\'s externe opslag. U kunt de kaartcache vinden in de osmdroid-map op het hoogste niveau van het gebruikersbestandssysteem.</string>
     <string name="layout_onboarding_button_okay">Ik snap het!</string>
 
+    <!-- track tab onboarding -->
     <string name="track_tab_onboarding_h1_part_1">Your recorded tracks</string>
     <string name="track_tab_onboarding_h1_part_2">… will show up here.</string>
 
+    <!-- infosheet about -->
     <string name="infosheet_about_h1_about">Over Trackbook</string>
     <string name="infosheet_about_h2_recorder">Bewegingsbijhouding voor Android</string>
     <string name="infosheet_about_h3_version">Versie 1.0 (Astronomy Domine)</string>
@@ -96,6 +111,7 @@
     <string name="infosheet_about_h3_external">Recht SCHRIJVEN_EXTERNE_OPSLAG</string>
     <string name="infosheet_about_p_external">Trackbook gebruikt osmdroid. osmdroid cachet kaarttegels op Android\'s externe opslag. U kunt de kaartcache vinden in de osmdroid-map op het hoogste niveau van het gebruikersbestandssysteem.</string>
 
+    <!-- descriptions -->
     <string name="descr_map_current_track">Kaart van de huidige baan</string>
     <string name="descr_map_last_track">Kaart van de laatste baan</string>
     <string name="descr_fab_main">Hoofd-actieknop</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 44705a6..e54f225 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -73,6 +73,7 @@
     <string name="statistics_sheet_p_default_data">track data missing</string>
     <string name="statistics_sheet_p_distance">Total distance:</string>
     <string name="statistics_sheet_p_steps">Steps taken:</string>
+    <string name="statistics_sheet_p_steps_no_pedometer">pedometer not available</string>
     <string name="statistics_sheet_p_waypoints">Recorded waypoints:</string>
     <string name="statistics_sheet_p_duration">Total duration:</string>
     <string name="statistics_sheet_p_recording_start">Recording started:</string>
diff --git a/build.gradle b/build.gradle
index b043655..24d7204 100644
--- a/build.gradle
+++ b/build.gradle
@@ -22,7 +22,7 @@ allprojects {
     project.ext {
         applicationId = 'org.y20k.trackbook'
         versionCode = 13
-        versionName = '1.0.6 (Astronomy Domine)'
+        versionName = '1.0.7'
         minSdkVersion = 22
         compileSdkVersion = 26
         targetSdkVersion = 26