create a copy of lastPumpStatus

app/src/main/java/info/nightscout/android/medtronic/MainActivity.java

@@ -745,19 +745,18 @@ public class MainActivity extends AppCompatActivity implements OnSharedPreferenc
             // Get the most recently written CGM record for the active pump.
             PumpStatusEvent pumpStatusData = null;
 
-            PumpInfo pump = getActivePump();
+            // ignoring activePump atm
+            //PumpInfo pump = getActivePump();
 
-            if (pump != null && pump.isValid() && pump.getPumpHistory().size() > 0) {
-                pumpStatusData = pump.getPumpHistory().last();
+            if (dataStore.getLastPumpStatus().getEventDate().getTime() > 0) {
+                pumpStatusData = dataStore.getLastPumpStatus();
             }
 
-            // FIXME - grab the last item from the activePump's getPumpHistory
             updateChart(mRealm.where(PumpStatusEvent.class)
                     .greaterThan("eventDate", new Date(System.currentTimeMillis() - 1000*60*60*24))
                     .findAllSorted("eventDate", Sort.ASCENDING));
 
             if (pumpStatusData != null) {
-
                 String sgvString;
                 if (configurationStore.isMmolxl()) {
                     float fBgValue = (float) pumpStatusData.getSgv();

app/src/main/java/info/nightscout/android/medtronic/service/MedtronicCnlIntentService.java

@@ -111,7 +111,6 @@ public class MedtronicCnlIntentService extends IntentService {
 
         short pumpBatteryLevel = dataStore.getLastPumpStatus().getBatteryPercentage();
 
-
         if (timeLastGoodSGV != 0) {
             timePollExpected = timeLastGoodSGV + POLL_PERIOD_MS + POLL_GRACE_PERIOD_MS + (POLL_PERIOD_MS * ((timePollStarted - 1000L - (timeLastGoodSGV + POLL_GRACE_PERIOD_MS)) / POLL_PERIOD_MS));
         }

app/src/main/java/info/nightscout/android/utils/DataStore.java

 package info.nightscout.android.utils;
 
 
+import com.bugfender.sdk.a.a.k.a;
+
 import java.util.Date;
 
 import info.nightscout.android.model.medtronicNg.PumpStatusEvent;
+import io.realm.Realm;
 
 /**
  * Created by volker on 30.03.2017.
@@ -11,13 +14,16 @@ import info.nightscout.android.model.medtronicNg.PumpStatusEvent;
 
 public class DataStore {
     private static DataStore instance;
+    private final Realm mRealm;
 
     private PumpStatusEvent lastPumpStatus;
     private int uplooaderBatteryLevel = 0;
     private int unavailableSGVCount = 0;
     private long activePumpMac = 0;
 
-    private DataStore() {}
+    private DataStore() {
+        mRealm = Realm.getDefaultInstance();
+    }
 
     public static DataStore getInstance() {
         if (DataStore.instance == null) {
@@ -27,7 +33,8 @@ public class DataStore {
             PumpStatusEvent dummyStatus = new PumpStatusEvent();
             dummyStatus.setEventDate(new Date(0));
 
-            instance.setLastPumpStatus(dummyStatus);
+            // bypass setter to avoid dealing with a real Realm object
+            instance.lastPumpStatus = dummyStatus;
         }
 
         return instance;
@@ -38,7 +45,7 @@ public class DataStore {
     }
 
     public void setLastPumpStatus(PumpStatusEvent lastPumpStatus) {
-        this.lastPumpStatus = lastPumpStatus;
+        this.lastPumpStatus = mRealm.copyFromRealm(lastPumpStatus);;
     }
 
     public int getUplooaderBatteryLevel() {