work from old autosens branch

app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/AutosensData.java

@@ -10,15 +10,18 @@ public class AutosensData {
     long time = 0L;
     public String pastSensitivity = "";
     public double deviation = 0d;
-    boolean calculateWithDeviation = false;
+    boolean nonCarbsDeviation = false;
+    boolean nonEqualDeviation = false;
     double absorbed = 0d;
     public double carbsFromBolus = 0d;
     public double cob = 0;
     public double bgi = 0d;
     public double delta = 0d;
 
+    public double autosensRatio = 1d;
+
     public String log(long time) {
-        return "AutosensData: " + new Date(time).toLocaleString() + " " + pastSensitivity + " Delta=" + delta + " Bgi=" + bgi + " Deviation=" + deviation + " Absorbed=" + absorbed + " CarbsFromBolus=" + carbsFromBolus + " COB=" + cob;
+        return "AutosensData: " + new Date(time).toLocaleString() + " " + pastSensitivity + " Delta=" + delta + " Bgi=" + bgi + " Deviation=" + deviation + " Absorbed=" + absorbed + " CarbsFromBolus=" + carbsFromBolus + " COB=" + cob + " autosensRatio=" + autosensRatio;
     }
 
     public int minOld() {

app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/IobCobCalculatorPlugin.java

@@ -19,6 +19,7 @@ import java.util.List;
 import info.nightscout.androidaps.Config;
 import info.nightscout.androidaps.Constants;
 import info.nightscout.androidaps.MainApp;
+import info.nightscout.androidaps.R;
 import info.nightscout.androidaps.data.IobTotal;
 import info.nightscout.androidaps.data.Profile;
 import info.nightscout.androidaps.db.BgReading;
@@ -26,6 +27,7 @@ import info.nightscout.androidaps.db.TemporaryBasal;
 import info.nightscout.androidaps.db.Treatment;
 import info.nightscout.androidaps.events.EventNewBG;
 import info.nightscout.androidaps.events.EventNewBasalProfile;
+import info.nightscout.androidaps.events.EventPreferenceChange;
 import info.nightscout.androidaps.interfaces.PluginBase;
 import info.nightscout.androidaps.plugins.IobCobCalculator.events.BasalData;
 import info.nightscout.androidaps.plugins.IobCobCalculator.events.EventAutosensCalculationFinished;
@@ -304,6 +306,8 @@ public class IobCobCalculatorPlugin implements PluginBase {
         if (MainApp.getConfigBuilder() == null)
             return; // app still initializing
         //log.debug("Locking calculateSensitivityData");
+        long oldestTimeWithData = oldestDataAvailable();
+
         synchronized (dataLock) {
 
             if (bucketed_data == null || bucketed_data.size() < 3) {
@@ -371,12 +375,14 @@ public class IobCobCalculatorPlugin implements PluginBase {
                 if (autosensData.cob <= 0) {
                     if (Math.abs(deviation) < Constants.DEVIATION_TO_BE_EQUAL) {
                         autosensData.pastSensitivity += "=";
+                        autosensData.nonEqualDeviation = true;
                     } else if (deviation > 0) {
                         autosensData.pastSensitivity += "+";
+                        autosensData.nonEqualDeviation = true;
                     } else {
                         autosensData.pastSensitivity += "-";
                     }
-                    autosensData.calculateWithDeviation = true;
+                    autosensData.nonCarbsDeviation = true;
                 } else {
                     autosensData.pastSensitivity += "C";
                 }
@@ -384,6 +390,7 @@ public class IobCobCalculatorPlugin implements PluginBase {
 
                 previous = autosensData;
                 autosensDataTable.put(bgTime, autosensData);
+                autosensData.autosensRatio = detectSensitivity(oldestTimeWithData, bgTime).ratio;
                 if (Config.logAutosensData)
                     log.debug(autosensData.log(bgTime));
             }
@@ -392,6 +399,15 @@ public class IobCobCalculatorPlugin implements PluginBase {
         //log.debug("Releasing calculateSensitivityData");
     }
 
+    public static long oldestDataAvailable() {
+        long now = System.currentTimeMillis();
+
+        long oldestDataAvailable = MainApp.getConfigBuilder().oldestDataAvailable();
+        long getBGDataFrom = Math.max(oldestDataAvailable, (long) (now - 60 * 60 * 1000L * (24 + MainApp.getConfigBuilder().getProfile().getDia())));
+        log.debug("Limiting data to oldest available temps: " + new Date(oldestDataAvailable).toString());
+        return getBGDataFrom;
+    }
+
     public static IobTotal calulateFromTreatmentsAndTemps(long time) {
         long now = System.currentTimeMillis();
         time = roundUpTime(time);
@@ -493,17 +509,30 @@ public class IobCobCalculatorPlugin implements PluginBase {
         return array;
     }
 
-    public static AutosensResult detectSensitivity(long fromTime) {
+    public static AutosensResult detectSensitivityWithLock(long fromTime, long toTime) {
-        //log.debug("Locking detectSensitivity");
         synchronized (dataLock) {
+            return detectSensitivity(fromTime, toTime);
+        }
+    }
+
+    public static AutosensResult detectSensitivity(long fromTime, long toTime) {
+        String age = SP.getString(R.string.key_age, "");
+        int defaultHours = 24;
+        if (age.equals(MainApp.sResources.getString(R.string.key_adult))) defaultHours = 24;
+        if (age.equals(MainApp.sResources.getString(R.string.key_teenage))) defaultHours = 4;
+        if (age.equals(MainApp.sResources.getString(R.string.key_child))) defaultHours = 4;
+        int hoursForDetection = SP.getInt(R.string.key_openapsama_autosens_period, defaultHours);
+
+        long now = System.currentTimeMillis();
+
         if (autosensDataTable == null || autosensDataTable.size() < 4) {
             log.debug("No autosens data available");
             return new AutosensResult();
         }
 
-            AutosensData current = getLastAutosensData();
+        AutosensData current = getAutosensData(toTime);
         if (current == null) {
-                log.debug("No current autosens data available");
+            log.debug("No autosens data available");
             return new AutosensResult();
         }
 
@@ -519,8 +548,16 @@ public class IobCobCalculatorPlugin implements PluginBase {
                 continue;
             }
 
-                if (autosensData.calculateWithDeviation)
+            if (autosensData.time > toTime) {
-                    deviationsArray.add(autosensData.deviation);
+                index++;
+                continue;
+            }
+
+            if (autosensData.time > now - hoursForDetection * 60 * 60 * 1000L)
+                deviationsArray.add(autosensData.nonEqualDeviation ? autosensData.deviation : 0d);
+            if (deviationsArray.size() > hoursForDetection * 60 / 5)
+                deviationsArray.remove(0);
+
 
             pastSensitivity += autosensData.pastSensitivity;
             int secondsFromMidnight = Profile.secondsFromMidnight(autosensData.time);
@@ -537,34 +574,25 @@ public class IobCobCalculatorPlugin implements PluginBase {
 
         double sens = profile.getIsf();
 
-            double ratio = 1;
         String ratioLimit = "";
         String sensResult = "";
 
         log.debug("Records: " + index + "   " + pastSensitivity);
         Arrays.sort(deviations);
 
-            for (double i = 0.9; i > 0.1; i = i - 0.02) {
+        double percentile = percentile(deviations, 0.50);
-                if (percentile(deviations, (i + 0.02)) >= 0 && percentile(deviations, i) < 0) {
+        double basalOff = percentile * (60 / 5) / Profile.toMgdl(sens, profile.getUnits());
-                    log.debug(Math.round(100 * i) + "% of non-meal deviations negative (target 45%-50%)");
+        double ratio = 1 + (basalOff / profile.getMaxDailyBasal());
-                }
-            }
-            double pSensitive = percentile(deviations, 0.50);
-            double pResistant = percentile(deviations, 0.45);
 
-            double basalOff = 0;
+        if (percentile < 0) { // sensitive
-
-            if (pSensitive < 0) { // sensitive
-                basalOff = pSensitive * (60 / 5) / Profile.toMgdl(sens, profile.getUnits());
             sensResult = "Excess insulin sensitivity detected";
-            } else if (pResistant > 0) { // resistant
+        } else if (percentile > 0) { // resistant
-                basalOff = pResistant * (60 / 5) / Profile.toMgdl(sens, profile.getUnits());
             sensResult = "Excess insulin resistance detected";
         } else {
             sensResult = "Sensitivity normal";
         }
+
         log.debug(sensResult);
-            ratio = 1 + (basalOff / profile.getMaxDailyBasal());
 
         double rawRatio = ratio;
         ratio = Math.max(ratio, SafeParse.stringToDouble(SP.getString("openapsama_autosens_min", "0.7")));
@@ -575,10 +603,7 @@ public class IobCobCalculatorPlugin implements PluginBase {
             log.debug(ratioLimit);
         }
 
-            double newisf = Math.round(Profile.toMgdl(sens, profile.getUnits()) / ratio);
+        log.error("Sensitivity to: " + new Date(toTime).toLocaleString() + " percentile: " + percentile);
-            if (ratio != 1) {
-                log.debug("ISF adjusted from " + Profile.toMgdl(sens, profile.getUnits()) + " to " + newisf);
-            }
 
         AutosensResult output = new AutosensResult();
         output.ratio = Round.roundTo(ratio, 0.01);
@@ -588,8 +613,6 @@ public class IobCobCalculatorPlugin implements PluginBase {
         output.sensResult = sensResult;
         return output;
     }
-        //log.debug("Releasing detectSensitivity");
-    }
 
 
     public static JSONArray convertToJSONArray(IobTotal[] iobArray) {
@@ -634,6 +657,25 @@ public class IobCobCalculatorPlugin implements PluginBase {
         });
     }
 
+    @Subscribe
+    public void onStatusEvent(EventPreferenceChange ev) {
+        if (ev.isChanged(R.string.key_openapsama_autosens_period) ||
+                ev.isChanged(R.string.key_age)
+                ) {
+            synchronized (dataLock) {
+                log.debug("Invalidating cached data because of preference change. IOB: " + iobTable.size() + " Autosens: " + autosensDataTable.size() + " records");
+                iobTable = new LongSparseArray<>();
+                autosensDataTable = new LongSparseArray<>();
+            }
+            sHandler.post(new Runnable() {
+                @Override
+                public void run() {
+                    calculateSensitivityData();
+                }
+            });
+        }
+    }
+
     // When historical data is changed (comming from NS etc) finished calculations after this date must be invalidated
     @Subscribe
     public void onNewHistoryData(EventNewHistoryData ev) {

app/src/main/java/info/nightscout/androidaps/plugins/OpenAPSAMA/OpenAPSAMAPlugin.java

@@ -207,14 +207,9 @@ public class OpenAPSAMAPlugin implements PluginBase, APSInterface {
         if (!checkOnlyHardLimits(profile.getMaxDailyBasal(), "max_daily_basal", 0.1, 10)) return;
         if (!checkOnlyHardLimits(pump.getBaseBasalRate(), "current_basal", 0.01, 5)) return;
 
-        long oldestDataAvailable = MainApp.getConfigBuilder().oldestDataAvailable();
-        long getBGDataFrom = Math.max(oldestDataAvailable, (long) (System.currentTimeMillis() - 60 * 60 * 1000L * (24 + profile.getDia())));
-        log.debug("Limiting data to oldest available temps: " + new Date(oldestDataAvailable).toString());
-
         startPart = new Date();
         if (MainApp.getConfigBuilder().isAMAModeEnabled()) {
-            //lastAutosensResult = Autosens.detectSensitivityandCarbAbsorption(getBGDataFrom, null);
+            lastAutosensResult = IobCobCalculatorPlugin.detectSensitivityWithLock(IobCobCalculatorPlugin.oldestDataAvailable(), System.currentTimeMillis());
-            lastAutosensResult = IobCobCalculatorPlugin.detectSensitivity(getBGDataFrom);
         } else {
             lastAutosensResult = new AutosensResult();
         }

app/src/main/java/info/nightscout/androidaps/plugins/Overview/OverviewFragment.java

@@ -164,6 +164,7 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
     CheckBox showIobView;
     CheckBox showCobView;
     CheckBox showDeviationsView;
+    CheckBox showRatiosView;
 
     RecyclerView notificationsView;
     LinearLayoutManager llm;
@@ -275,36 +276,25 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
         showIobView = (CheckBox) view.findViewById(R.id.overview_showiob);
         showCobView = (CheckBox) view.findViewById(R.id.overview_showcob);
         showDeviationsView = (CheckBox) view.findViewById(R.id.overview_showdeviations);
+        showRatiosView = (CheckBox) view.findViewById(R.id.overview_showratios);
         showPredictionView.setChecked(SP.getBoolean("showprediction", false));
         showBasalsView.setChecked(SP.getBoolean("showbasals", true));
         showIobView.setChecked(SP.getBoolean("showiob", false));
         showCobView.setChecked(SP.getBoolean("showcob", false));
         showDeviationsView.setChecked(SP.getBoolean("showdeviations", false));
+        showRatiosView.setChecked(SP.getBoolean("showratios", false));
         showPredictionView.setOnCheckedChangeListener(this);
         showBasalsView.setOnCheckedChangeListener(this);
         showIobView.setOnCheckedChangeListener(this);
         showCobView.setOnCheckedChangeListener(this);
         showDeviationsView.setOnCheckedChangeListener(this);
+        showRatiosView.setOnCheckedChangeListener(this);
 
         notificationsView = (RecyclerView) view.findViewById(R.id.overview_notifications);
         notificationsView.setHasFixedSize(true);
         llm = new LinearLayoutManager(view.getContext());
         notificationsView.setLayoutManager(llm);
-/*
+
-        final LinearLayout graphs = (LinearLayout)view.findViewById(R.id.overview_graphs_layout);
-        ViewTreeObserver observer = graphs.getViewTreeObserver();
-        observer.addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
-            @Override
-            public void onGlobalLayout() {
-                log.debug("Height: " + graphs.getHeight());
-                graphs.getViewTreeObserver().removeGlobalOnLayoutListener(
-                        this);
-                int heightNeeded = Math.max(320, graphs.getHeight() - 200);
-                if (heightNeeded != bgGraph.getHeight())
-                    bgGraph.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, heightNeeded));
-            }
-        });
-*/
         bgGraph.getGridLabelRenderer().setGridColor(MainApp.sResources.getColor(R.color.graphgrid));
         bgGraph.getGridLabelRenderer().reloadStyles();
         iobGraph.getGridLabelRenderer().setGridColor(MainApp.sResources.getColor(R.color.graphgrid));
@@ -358,34 +348,29 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
     public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
         switch (buttonView.getId()) {
             case R.id.overview_showprediction:
-                SP.putBoolean("showprediction", showPredictionView.isChecked());
-                updateGUI("onPredictionCheckedChanged");
-                break;
             case R.id.overview_showbasals:
-                SP.putBoolean("showbasals", showBasalsView.isChecked());
-                updateGUI("onBasalsCheckedChanged");
-                break;
             case R.id.overview_showiob:
-                SP.putBoolean("showiob", showIobView.isChecked());
-                updateGUI("onIobCheckedChanged");
                 break;
             case R.id.overview_showcob:
                 showDeviationsView.setOnCheckedChangeListener(null);
                 showDeviationsView.setChecked(false);
                 showDeviationsView.setOnCheckedChangeListener(this);
-                SP.putBoolean("showcob", showCobView.isChecked());
-                SP.putBoolean("showdeviations", showDeviationsView.isChecked());
-                updateGUI("onCobCheckedChanged");
                 break;
             case R.id.overview_showdeviations:
                 showCobView.setOnCheckedChangeListener(null);
                 showCobView.setChecked(false);
                 showCobView.setOnCheckedChangeListener(this);
-                SP.putBoolean("showcob", showCobView.isChecked());
+                break;
-                SP.putBoolean("showdeviations", showDeviationsView.isChecked());
+            case R.id.overview_showratios:
-                updateGUI("onDeviationsCheckedChanged");
                 break;
         }
+        SP.putBoolean("showiob", showIobView.isChecked());
+        SP.putBoolean("showprediction", showPredictionView.isChecked());
+        SP.putBoolean("showbasals", showBasalsView.isChecked());
+        SP.putBoolean("showcob", showCobView.isChecked());
+        SP.putBoolean("showdeviations", showDeviationsView.isChecked());
+        SP.putBoolean("showratios", showRatiosView.isChecked());
+        scheduleUpdateGUI("onGraphCheckboxesCheckedChanged");
     }
 
     @Override
@@ -1289,15 +1274,18 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
         FixedLineGraphSeries<DataPoint> iobSeries;
         FixedLineGraphSeries<DataPoint> cobSeries;
         BarGraphSeries<DeviationDataPoint> devSeries;
+        LineGraphSeries<DataPoint> ratioSeries;
         Double maxIobValueFound = 0d;
         Double maxCobValueFound = 0d;
         Double maxDevValueFound = 0d;
+        Double maxRatioValueFound = 0d;
 
-        if (showIobView.isChecked() || showCobView.isChecked() || showDeviationsView.isChecked()) {
+        if (showIobView.isChecked() || showCobView.isChecked() || showDeviationsView.isChecked() || showRatiosView.isChecked()) {
             //Date start = new Date();
             List<DataPoint> iobArray = new ArrayList<>();
             List<DataPoint> cobArray = new ArrayList<>();
             List<DeviationDataPoint> devArray = new ArrayList<>();
+            List<DataPoint> ratioArray = new ArrayList<>();
             double lastIob = 0;
             int lastCob = 0;
             for (long time = fromTime; time <= now; time += 5 * 60 * 1000L) {
@@ -1311,7 +1299,7 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
                         lastIob = iob;
                     }
                 }
-                if (showCobView.isChecked() || showDeviationsView.isChecked()) {
+                if (showCobView.isChecked() || showDeviationsView.isChecked() || showRatiosView.isChecked()) {
                     AutosensData autosensData = IobCobCalculatorPlugin.getAutosensData(time);
                     if (autosensData != null && showCobView.isChecked()) {
                         int cob = (int) autosensData.cob;
@@ -1331,6 +1319,10 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
                         devArray.add(new DeviationDataPoint(time, autosensData.deviation, color));
                         maxDevValueFound = Math.max(maxDevValueFound, Math.abs(autosensData.deviation));
                     }
+                    if (autosensData != null && showRatiosView.isChecked()) {
+                        ratioArray.add(new DataPoint(time, autosensData.autosensRatio));
+                        maxRatioValueFound = Math.max(maxRatioValueFound, Math.abs(autosensData.autosensRatio));
+                    }
                 }
             }
             //Profiler.log(log, "IOB processed", start);
@@ -1343,18 +1335,49 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
             iobSeries.setThickness(3);
 
 
-            if (showIobView.isChecked() && (showCobView.isChecked() || showDeviationsView.isChecked())) {
+            Double maxByScale = null;
-                List<DataPoint> cobArrayRescaled = new ArrayList<>();
+            int graphsToShow = 0;
-                List<DeviationDataPoint> devArrayRescaled = new ArrayList<>();
+            if (showIobView.isChecked()) {
-                for (int ci = 0; ci < cobArray.size(); ci++) {
+                if (maxByScale == null) maxByScale = maxIobValueFound;
-                    cobArrayRescaled.add(new DataPoint(cobArray.get(ci).getX(), cobArray.get(ci).getY() * maxIobValueFound / maxCobValueFound / 2));
+                graphsToShow++;
             }
-                for (int ci = 0; ci < devArray.size(); ci++) {
+            if (showCobView.isChecked()) {
-                    devArrayRescaled.add(new DeviationDataPoint(devArray.get(ci).getX(), devArray.get(ci).getY() * maxIobValueFound / maxDevValueFound, devArray.get(ci).color));
+                if (maxByScale == null) maxByScale = maxCobValueFound;
+                graphsToShow++;
+            }
+            if (showDeviationsView.isChecked()) {
+                if (maxByScale == null) maxByScale = maxDevValueFound;
+                graphsToShow++;
+            }
+            if (showRatiosView.isChecked()) {
+                if (maxByScale == null) maxByScale = maxRatioValueFound;
+                graphsToShow++;
+            }
+
+            if (graphsToShow > 1) {
+                if (!maxByScale.equals(maxCobValueFound)) {
+                    List<DataPoint> cobArrayRescaled = new ArrayList<>();
+                    for (int ci = 0; ci < cobArray.size(); ci++) {
+                        cobArrayRescaled.add(new DataPoint(cobArray.get(ci).getX(), cobArray.get(ci).getY() * maxByScale / maxCobValueFound / 2));
                     }
                     cobArray = cobArrayRescaled;
+                }
+                if (!maxByScale.equals(maxDevValueFound)) {
+                    List<DeviationDataPoint> devArrayRescaled = new ArrayList<>();
+                    for (int ci = 0; ci < devArray.size(); ci++) {
+                        devArrayRescaled.add(new DeviationDataPoint(devArray.get(ci).getX(), devArray.get(ci).getY() * maxByScale / maxDevValueFound, devArray.get(ci).color));
+                    }
                     devArray = devArrayRescaled;
                 }
+                if (!maxByScale.equals(maxRatioValueFound)) {
+                    List<DataPoint> ratioArrayRescaled = new ArrayList<>();
+                    for (int ci = 0; ci < ratioArray.size(); ci++) {
+                        ratioArrayRescaled.add(new DataPoint(ratioArray.get(ci).getX(), (ratioArray.get(ci).getY() - 1) * maxByScale / maxRatioValueFound));
+                    }
+                    ratioArray = ratioArrayRescaled;
+                }
+            }
+
             // COB
             DataPoint[] cobData = new DataPoint[cobArray.size()];
             cobData = cobArray.toArray(cobData);
@@ -1374,9 +1397,13 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
                     return data.color;
                 }
             });
-            //devSeries.setBackgroundColor(0xB0FFFFFF & MainApp.sResources.getColor(R.color.cob)); //50%
+
-            //devSeries.setColor(MainApp.sResources.getColor(R.color.cob));
+            // RATIOS
-            //devSeries.setThickness(3);
+            DataPoint[] ratioData = new DataPoint[ratioArray.size()];
+            ratioData = ratioArray.toArray(ratioData);
+            ratioSeries = new LineGraphSeries<>(ratioData);
+            ratioSeries.setColor(MainApp.sResources.getColor(R.color.ratio));
+            ratioSeries.setThickness(3);
 
             iobGraph.getSeries().clear();
 
@@ -1389,6 +1416,9 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
             if (showDeviationsView.isChecked() && devData.length > 0) {
                 addSeriesWithoutInvalidate(devSeries, iobGraph);
             }
+            if (showRatiosView.isChecked() && ratioData.length > 0) {
+                addSeriesWithoutInvalidate(ratioSeries, iobGraph);
+            }
             iobGraph.setVisibility(View.VISIBLE);
         } else {
             iobGraph.setVisibility(View.GONE);
@@ -1591,20 +1621,18 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
 
 
     //Notifications
-    public static class RecyclerViewAdapter extends RecyclerView.Adapter<RecyclerViewAdapter.NotificationsViewHolder> {
+    static class RecyclerViewAdapter extends RecyclerView.Adapter<RecyclerViewAdapter.NotificationsViewHolder> {
 
         List<Notification> notificationsList;
 
         RecyclerViewAdapter(List<Notification> notificationsList) {
             this.notificationsList = notificationsList;
-            log.debug("RecyclerViewAdapter");
         }
 
         @Override
         public NotificationsViewHolder onCreateViewHolder(ViewGroup viewGroup, int viewType) {
             View v = LayoutInflater.from(viewGroup.getContext()).inflate(R.layout.overview_notification_item, viewGroup, false);
-            NotificationsViewHolder notificationsViewHolder = new NotificationsViewHolder(v);
+            return new NotificationsViewHolder(v);
-            return notificationsViewHolder;
         }
 
         @Override
@@ -1635,7 +1663,7 @@ public class OverviewFragment extends Fragment implements View.OnClickListener,
             super.onAttachedToRecyclerView(recyclerView);
         }
 
-        public static class NotificationsViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
+        static class NotificationsViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
             CardView cv;
             TextView time;
             TextView text;

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

@@ -287,6 +287,22 @@
                         android:layout_marginBottom="-5dp"
                         android:layout_marginTop="-9dp"
                         app:buttonTint="@color/deviations" />
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_horizontal"
+                        android:text="@string/ratio_short"
+                        android:textAppearance="?android:attr/textAppearanceSmall"
+                        android:textStyle="bold" />
+
+                    <CheckBox
+                        android:id="@+id/overview_showratios"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_marginBottom="-5dp"
+                        android:layout_marginTop="-9dp" />
+
                 </LinearLayout>
 
                 <LinearLayout

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

@@ -286,6 +286,22 @@
                         android:layout_marginBottom="-5dp"
                         android:layout_marginTop="-9dp"
                         app:buttonTint="@color/deviations" />
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_horizontal"
+                        android:text="@string/ratio_short"
+                        android:textAppearance="?android:attr/textAppearanceSmall"
+                        android:textStyle="bold" />
+
+                    <CheckBox
+                        android:id="@+id/overview_showratios"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_marginBottom="-5dp"
+                        android:layout_marginTop="-9dp" />
+
                 </LinearLayout>
 
                 <LinearLayout

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

@@ -502,6 +502,22 @@
                         android:layout_marginBottom="-5dp"
                         android:layout_marginTop="-9dp"
                         app:buttonTint="@color/deviations" />
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_gravity="center_horizontal"
+                        android:text="@string/ratio_short"
+                        android:textAppearance="?android:attr/textAppearanceSmall"
+                        android:textStyle="bold" />
+
+                    <CheckBox
+                        android:id="@+id/overview_showratios"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_marginBottom="-5dp"
+                        android:layout_marginTop="-9dp" />
+
                 </LinearLayout>
 
                 <LinearLayout

app/src/main/res/values/colors.xml

@@ -4,6 +4,7 @@
     <color name="basal">#00ffff</color>
     <color name="iob">#FFFB8C00</color>
     <color name="cob">#8BC34A</color>
+    <color name="ratio">#FFFFFF</color>
     <color name="inrange">#00FF00</color>
     <color name="low">#FF0000</color>
     <color name="high">#FFFF00</color>

app/src/main/res/values/strings.xml

@@ -646,4 +646,8 @@
     <string name="nsalarm_urgentstaledata">Urgent stale data</string>
     <string name="nsalarm_staledatavalue_label">Stale data threshold [min]</string>
     <string name="nsalarm_urgent_staledatavalue_label">Urgent stale data threshold [min]</string>
+    <string name="openapsama_autosens_period">Interval for autosens [h]</string>
+    <string name="openapsama_autosens_period_summary">Amount of hours in the past for sensitivity detection (carbs absorption time is excluded)</string>
+    <string name="key_openapsama_autosens_period" translatable="false">openapsama_autosens_period</string>
+    <string name="ratio_short">RAT</string>
 </resources>

app/src/main/res/xml/pref_openapsama.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
-<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:validate="http://schemas.android.com/apk/res-auto">
     <PreferenceCategory
         android:key="openapsama"
         android:title="@string/openapsama">
@@ -9,6 +10,21 @@
             android:key="openapsama_useautosens"
             android:title="@string/openapsama_useautosens" />
 
+        <com.andreabaccega.widget.ValidatingEditTextPreference
+            validate:maxNumber="24"
+            validate:minNumber="4"
+            validate:testType="numericRange"
+            android:defaultValue="24"
+            android:dependency="openapsama_useautosens"
+            android:dialogMessage="@string/openapsama_autosens_period_summary"
+            android:digits="0123456789"
+            android:inputType="number"
+            android:key="@string/key_openapsama_autosens_period"
+            android:maxLines="20"
+            android:selectAllOnFocus="true"
+            android:singleLine="true"
+            android:title="@string/openapsama_autosens_period" />
+
     </PreferenceCategory>
 
 </PreferenceScreen>