diff --git a/app/build.gradle b/app/build.gradle
index 0294d49f9c..23d04f770c 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -149,6 +149,7 @@ dependencies {
     compile('com.github.tony19:logback-android-classic:1.1.1-6') {
         exclude group: 'com.google.android', module: 'android'
     }
+    compile 'org.apache.commons:commons-lang3:3.6'
     compile 'org.slf4j:slf4j-api:1.7.12'
     compile 'com.jjoe64:graphview:4.0.1'
     compile 'com.joanzapata.iconify:android-iconify-fontawesome:2.1.1'
diff --git a/app/src/main/java/com/squareup/otto/LoggingBus.java b/app/src/main/java/com/squareup/otto/LoggingBus.java
new file mode 100644
index 0000000000..3417e7dd41
--- /dev/null
+++ b/app/src/main/java/com/squareup/otto/LoggingBus.java
@@ -0,0 +1,87 @@
+package com.squareup.otto;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+import info.nightscout.androidaps.events.Event;
+
+/** Logs events has they're being posted to and dispatched from the event bus.
+ *
+ * A summary of event-receiver calls that occurred so far is logged
+ * after 10s (after startup) and then again every 60s.
+ * */
+public class LoggingBus extends Bus {
+    private static Logger log = LoggerFactory.getLogger(LoggingBus.class);
+
+    private static long everyMinute = System.currentTimeMillis() + 10 * 1000;
+    private Map<String, Set<String>> event2Receiver = new HashMap<>();
+
+    public LoggingBus(ThreadEnforcer enforcer) {
+        super(enforcer);
+    }
+
+    @Override
+    public void post(Object event) {
+        if (event instanceof DeadEvent) {
+            log.debug("Event has no receiver: " + ((DeadEvent) event).event + ", source: " + ((DeadEvent) event).source);
+            return;
+        }
+
+        if (!(event instanceof Event)) {
+            log.error("Posted event not an event class: " + event.getClass());
+        }
+
+        log.debug("<<< " + event);
+        try {
+            StackTraceElement caller = new Throwable().getStackTrace()[1];
+            String className = caller.getClassName();
+            className = className.substring(className.lastIndexOf(".") + 1);
+            log.debug("    source: " + className + "." + caller.getMethodName() + ":" + caller.getLineNumber());
+        } catch (RuntimeException e) {
+            log.debug("    source: <unknown>");
+        }
+
+        super.post(event);
+    }
+
+    @Override
+    protected void dispatch(Object event, EventHandler wrapper) {
+        try {
+            log.debug(">>> " + event);
+            Field methodField = wrapper.getClass().getDeclaredField("method");
+            methodField.setAccessible(true);
+            Method targetMethod = (Method) methodField.get(wrapper);
+            String className = targetMethod.getDeclaringClass().getSimpleName();
+            String methodName = targetMethod.getName();
+            String receiverMethod = className + "." + methodName;
+            log.debug("    receiver: " + receiverMethod);
+
+            String key = event.getClass().getSimpleName();
+            if (!event2Receiver.containsKey(key)) event2Receiver.put(key, new HashSet<String>());
+            event2Receiver.get(key).add(receiverMethod);
+        } catch (ReflectiveOperationException e) {
+            log.debug("    receiver: <unknown>");
+        }
+
+        if (everyMinute < System.currentTimeMillis()) {
+            log.debug("***************** Event -> receiver pairings seen so far ****************");
+            for (Map.Entry<String, Set<String>> stringSetEntry : event2Receiver.entrySet()) {
+                log.debug("  " + stringSetEntry.getKey());
+                for (String s : stringSetEntry.getValue()) {
+                    log.debug("    -> " + s);
+                }
+            }
+            log.debug("*************************************************************************");
+            everyMinute = System.currentTimeMillis() + 60 * 1000;
+        }
+
+        super.dispatch(event, wrapper);
+    }
+}
diff --git a/app/src/main/java/info/nightscout/androidaps/Config.java b/app/src/main/java/info/nightscout/androidaps/Config.java
index abda0ca941..0ccb932e57 100644
--- a/app/src/main/java/info/nightscout/androidaps/Config.java
+++ b/app/src/main/java/info/nightscout/androidaps/Config.java
@@ -40,6 +40,7 @@ public class Config {
     public static final boolean logPumpActions = true;
     public static final boolean logCongigBuilderActions = true;
     public static final boolean logAutosensData = false;
+    public static final boolean logEvents = false;
 
     // DanaR specific
     public static final boolean logDanaBTComm = true;
diff --git a/app/src/main/java/info/nightscout/androidaps/MainApp.java b/app/src/main/java/info/nightscout/androidaps/MainApp.java
index 4e2afd65d1..b1fec8ef63 100644
--- a/app/src/main/java/info/nightscout/androidaps/MainApp.java
+++ b/app/src/main/java/info/nightscout/androidaps/MainApp.java
@@ -13,6 +13,7 @@ import com.crashlytics.android.answers.Answers;
 import com.crashlytics.android.answers.CustomEvent;
 import com.j256.ormlite.android.apptools.OpenHelperManager;
 import com.squareup.otto.Bus;
+import com.squareup.otto.LoggingBus;
 import com.squareup.otto.ThreadEnforcer;
 
 import org.slf4j.Logger;
@@ -104,7 +105,8 @@ public class MainApp extends Application {
         log.info("Version: " + BuildConfig.VERSION_NAME);
         log.info("BuildVersion: " + BuildConfig.BUILDVERSION);
 
-        sBus = new Bus(ThreadEnforcer.ANY);
+        sBus = Config.logEvents ? new LoggingBus(ThreadEnforcer.ANY) : new Bus(ThreadEnforcer.ANY);
+
         sInstance = this;
         sResources = getResources();
 
diff --git a/app/src/main/java/info/nightscout/androidaps/events/Event.java b/app/src/main/java/info/nightscout/androidaps/events/Event.java
new file mode 100644
index 0000000000..864d55d6f7
--- /dev/null
+++ b/app/src/main/java/info/nightscout/androidaps/events/Event.java
@@ -0,0 +1,16 @@
+package info.nightscout.androidaps.events;
+
+import org.apache.commons.lang3.builder.ReflectionToStringBuilder;
+import org.apache.commons.lang3.builder.ToStringStyle;
+
+/** Base class for all events posted on the event bus. */
+public abstract class Event {
+    static {
+        ReflectionToStringBuilder.setDefaultStyle(ToStringStyle.SHORT_PREFIX_STYLE);
+    }
+
+    @Override
+    public String toString() {
+        return ReflectionToStringBuilder.toString(this);
+    }
+}
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventAppExit.java b/app/src/main/java/info/nightscout/androidaps/events/EventAppExit.java
index 0f23643fef..9ce91a9a39 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventAppExit.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventAppExit.java
@@ -3,5 +3,5 @@ package info.nightscout.androidaps.events;
 /**
  * Created by mike on 07.07.2016.
  */
-public class EventAppExit {
+public class EventAppExit extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventBolusRequested.java b/app/src/main/java/info/nightscout/androidaps/events/EventBolusRequested.java
index 1f41119b4b..cb727758bb 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventBolusRequested.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventBolusRequested.java
@@ -4,7 +4,7 @@ package info.nightscout.androidaps.events;
  * Created by adrian on 07/02/17.
  */
 
-public class EventBolusRequested {
+public class EventBolusRequested extends Event {
     private double amount;
 
     public EventBolusRequested (double amount){
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventCareportalEventChange.java b/app/src/main/java/info/nightscout/androidaps/events/EventCareportalEventChange.java
index d86fe679fb..9b47ed39cb 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventCareportalEventChange.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventCareportalEventChange.java
@@ -4,5 +4,5 @@ package info.nightscout.androidaps.events;
  * Created by mike on 25.05.2017.
  */
 
-public class EventCareportalEventChange {
+public class EventCareportalEventChange extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventConfigBuilderChange.java b/app/src/main/java/info/nightscout/androidaps/events/EventConfigBuilderChange.java
index 38331ca581..ad5f558fe8 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventConfigBuilderChange.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventConfigBuilderChange.java
@@ -4,5 +4,5 @@ package info.nightscout.androidaps.events;
  * Created by mike on 17.02.2017.
  */
 
-public class EventConfigBuilderChange {
+public class EventConfigBuilderChange extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventExtendedBolusChange.java b/app/src/main/java/info/nightscout/androidaps/events/EventExtendedBolusChange.java
index 78dee60388..8881b0ecc1 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventExtendedBolusChange.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventExtendedBolusChange.java
@@ -4,5 +4,5 @@ package info.nightscout.androidaps.events;
  * Created by mike on 15.05.2017.
  */
 
-public class EventExtendedBolusChange {
+public class EventExtendedBolusChange extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventFoodDatabaseChanged.java b/app/src/main/java/info/nightscout/androidaps/events/EventFoodDatabaseChanged.java
index 075993c530..48e6be3a14 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventFoodDatabaseChanged.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventFoodDatabaseChanged.java
@@ -4,5 +4,5 @@ package info.nightscout.androidaps.events;
  * Created by mike on 20.09.2017.
  */
 
-public class EventFoodDatabaseChanged {
+public class EventFoodDatabaseChanged extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventInitializationChanged.java b/app/src/main/java/info/nightscout/androidaps/events/EventInitializationChanged.java
index e9a9ce511d..f2bef1d3d0 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventInitializationChanged.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventInitializationChanged.java
@@ -4,5 +4,5 @@ package info.nightscout.androidaps.events;
  * Created by mike on 13.12.2016.
  */
 
-public class EventInitializationChanged {
+public class EventInitializationChanged extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventLoop.java b/app/src/main/java/info/nightscout/androidaps/events/EventLoop.java
new file mode 100644
index 0000000000..d694d52537
--- /dev/null
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventLoop.java
@@ -0,0 +1,5 @@
+package info.nightscout.androidaps.events;
+
+/** Supeclass for all events concerned with input or output into or from the LoopPlugin. */
+public abstract class EventLoop extends Event {
+}
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventNewBG.java b/app/src/main/java/info/nightscout/androidaps/events/EventNewBG.java
index 2d6454406a..2fb9919b00 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventNewBG.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventNewBG.java
@@ -3,5 +3,5 @@ package info.nightscout.androidaps.events;
 /**
  * Created by mike on 05.06.2016.
  */
-public class EventNewBG {
+public class EventNewBG extends EventLoop {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventNewBasalProfile.java b/app/src/main/java/info/nightscout/androidaps/events/EventNewBasalProfile.java
index 1309625b98..f26a310b6b 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventNewBasalProfile.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventNewBasalProfile.java
@@ -3,5 +3,5 @@ package info.nightscout.androidaps.events;
 /**
  * Created by mike on 04.06.2016.
  */
-public class EventNewBasalProfile {
+public class EventNewBasalProfile extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventPreferenceChange.java b/app/src/main/java/info/nightscout/androidaps/events/EventPreferenceChange.java
index 76da0a4e67..f99cb54568 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventPreferenceChange.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventPreferenceChange.java
@@ -5,7 +5,7 @@ import info.nightscout.androidaps.MainApp;
 /**
  * Created by mike on 19.06.2016.
  */
-public class EventPreferenceChange {
+public class EventPreferenceChange extends Event {
     public String changedKey;
     public EventPreferenceChange(String key) {
         changedKey = key;
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventProfileSwitchChange.java b/app/src/main/java/info/nightscout/androidaps/events/EventProfileSwitchChange.java
index 476a571d70..7bab9d4518 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventProfileSwitchChange.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventProfileSwitchChange.java
@@ -4,5 +4,5 @@ package info.nightscout.androidaps.events;
  * Created by mike on 02.06.2017.
  */
 
-public class EventProfileSwitchChange {
+public class EventProfileSwitchChange extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventPumpStatusChanged.java b/app/src/main/java/info/nightscout/androidaps/events/EventPumpStatusChanged.java
index 3cfe7cc6a7..52c3183821 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventPumpStatusChanged.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventPumpStatusChanged.java
@@ -7,7 +7,7 @@ import info.nightscout.androidaps.R;
  * Created by mike on 19.02.2017.
  */
 
-public class EventPumpStatusChanged {
+public class EventPumpStatusChanged extends Event {
     public static final int CONNECTING = 0;
     public static final int CONNECTED = 1;
     public static final int PERFORMING = 2;
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventRefreshGui.java b/app/src/main/java/info/nightscout/androidaps/events/EventRefreshGui.java
index f20dfb9329..1dae34d2af 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventRefreshGui.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventRefreshGui.java
@@ -3,5 +3,5 @@ package info.nightscout.androidaps.events;
 /**
  * Created by mike on 13.06.2016.
  */
-public class EventRefreshGui {
+public class EventRefreshGui extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventRefreshOverview.java b/app/src/main/java/info/nightscout/androidaps/events/EventRefreshOverview.java
index bf14f5f585..2ba78fa9ec 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventRefreshOverview.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventRefreshOverview.java
@@ -4,7 +4,7 @@ package info.nightscout.androidaps.events;
  * Created by mike on 16.06.2017.
  */
 
-public class EventRefreshOverview {
+public class EventRefreshOverview extends Event {
     public String from;
 
     public EventRefreshOverview(String from) {
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventReloadProfileSwitchData.java b/app/src/main/java/info/nightscout/androidaps/events/EventReloadProfileSwitchData.java
index 20073a7cf0..212e8856d9 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventReloadProfileSwitchData.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventReloadProfileSwitchData.java
@@ -4,5 +4,5 @@ package info.nightscout.androidaps.events;
  * Created by mike on 12.06.2017.
  */
 
-public class EventReloadProfileSwitchData {
+public class EventReloadProfileSwitchData extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventReloadTempBasalData.java b/app/src/main/java/info/nightscout/androidaps/events/EventReloadTempBasalData.java
index 38b1b86186..80125cbb4a 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventReloadTempBasalData.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventReloadTempBasalData.java
@@ -4,5 +4,5 @@ package info.nightscout.androidaps.events;
  * Created by mike on 29.05.2017.
  */
 
-public class EventReloadTempBasalData {
+public class EventReloadTempBasalData extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventReloadTreatmentData.java b/app/src/main/java/info/nightscout/androidaps/events/EventReloadTreatmentData.java
index d4ea0d3f70..0ba9b95ad7 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventReloadTreatmentData.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventReloadTreatmentData.java
@@ -4,7 +4,7 @@ package info.nightscout.androidaps.events;
  * Created by mike on 29.05.2017.
  */
 
-public class EventReloadTreatmentData {
+public class EventReloadTreatmentData extends Event {
     public Object next;
 
     public EventReloadTreatmentData(Object next) {
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventTempBasalChange.java b/app/src/main/java/info/nightscout/androidaps/events/EventTempBasalChange.java
index 5d8f961e75..73660bb00e 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventTempBasalChange.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventTempBasalChange.java
@@ -3,5 +3,5 @@ package info.nightscout.androidaps.events;
 /**
  * Created by mike on 05.06.2016.
  */
-public class EventTempBasalChange {
+public class EventTempBasalChange extends EventLoop {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventTempTargetChange.java b/app/src/main/java/info/nightscout/androidaps/events/EventTempTargetChange.java
index d0ef42d830..4e3bf5c5f8 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventTempTargetChange.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventTempTargetChange.java
@@ -4,5 +4,5 @@ package info.nightscout.androidaps.events;
  * Created by mike on 13.01.2017.
  */
 
-public class EventTempTargetChange {
+public class EventTempTargetChange extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventTreatmentChange.java b/app/src/main/java/info/nightscout/androidaps/events/EventTreatmentChange.java
index a8597189bc..439d9a7124 100644
--- a/app/src/main/java/info/nightscout/androidaps/events/EventTreatmentChange.java
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventTreatmentChange.java
@@ -3,5 +3,5 @@ package info.nightscout.androidaps.events;
 /**
  * Created by mike on 04.06.2016.
  */
-public class EventTreatmentChange {
+public class EventTreatmentChange extends EventLoop {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/events/EventUpdateGui.java b/app/src/main/java/info/nightscout/androidaps/events/EventUpdateGui.java
new file mode 100644
index 0000000000..3471d2e851
--- /dev/null
+++ b/app/src/main/java/info/nightscout/androidaps/events/EventUpdateGui.java
@@ -0,0 +1,5 @@
+package info.nightscout.androidaps.events;
+
+/** Base class for events to update the UI, mostly a specific tab. */
+public abstract class EventUpdateGui extends Event {
+}
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/events/EventAutosensCalculationFinished.java b/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/events/EventAutosensCalculationFinished.java
index f2977c90c5..ea73915436 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/events/EventAutosensCalculationFinished.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/events/EventAutosensCalculationFinished.java
@@ -1,8 +1,10 @@
 package info.nightscout.androidaps.plugins.IobCobCalculator.events;
 
+import info.nightscout.androidaps.events.EventLoop;
+
 /**
  * Created by mike on 30.04.2017.
  */
 
-public class EventAutosensCalculationFinished {
+public class EventAutosensCalculationFinished extends EventLoop {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/events/EventNewHistoryData.java b/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/events/EventNewHistoryData.java
index 7499fad383..8814741099 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/events/EventNewHistoryData.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/events/EventNewHistoryData.java
@@ -1,10 +1,12 @@
 package info.nightscout.androidaps.plugins.IobCobCalculator.events;
 
+import info.nightscout.androidaps.events.Event;
+
 /**
  * Created by mike on 26.04.2017.
  */
 
-public class EventNewHistoryData {
+public class EventNewHistoryData extends Event {
     public long time = 0;
 
     public EventNewHistoryData(long time) {
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/Loop/events/EventLoopSetLastRunGui.java b/app/src/main/java/info/nightscout/androidaps/plugins/Loop/events/EventLoopSetLastRunGui.java
index 7baf556546..1ef5dc4c94 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/Loop/events/EventLoopSetLastRunGui.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/Loop/events/EventLoopSetLastRunGui.java
@@ -1,9 +1,11 @@
 package info.nightscout.androidaps.plugins.Loop.events;
 
+import info.nightscout.androidaps.events.EventUpdateGui;
+
 /**
  * Created by mike on 05.08.2016.
  */
-public class EventLoopSetLastRunGui {
+public class EventLoopSetLastRunGui extends EventUpdateGui {
     public String text = null;
 
     public EventLoopSetLastRunGui(String text) {
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/Loop/events/EventLoopUpdateGui.java b/app/src/main/java/info/nightscout/androidaps/plugins/Loop/events/EventLoopUpdateGui.java
index d671b3bd64..d4417dbb12 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/Loop/events/EventLoopUpdateGui.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/Loop/events/EventLoopUpdateGui.java
@@ -1,7 +1,9 @@
 package info.nightscout.androidaps.plugins.Loop.events;
 
+import info.nightscout.androidaps.events.EventUpdateGui;
+
 /**
  * Created by mike on 05.08.2016.
  */
-public class EventLoopUpdateGui {
+public class EventLoopUpdateGui extends EventUpdateGui {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/Loop/events/EventNewOpenLoopNotification.java b/app/src/main/java/info/nightscout/androidaps/plugins/Loop/events/EventNewOpenLoopNotification.java
index 7a6184e406..001d11661e 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/Loop/events/EventNewOpenLoopNotification.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/Loop/events/EventNewOpenLoopNotification.java
@@ -1,7 +1,9 @@
 package info.nightscout.androidaps.plugins.Loop.events;
 
+import info.nightscout.androidaps.events.Event;
+
 /**
  * Created by mike on 07.08.2016.
  */
-public class EventNewOpenLoopNotification {
+public class EventNewOpenLoopNotification extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/acks/NSAddAck.java b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/acks/NSAddAck.java
index 709c53f6d4..e90dce3bec 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/acks/NSAddAck.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/acks/NSAddAck.java
@@ -7,14 +7,14 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import info.nightscout.androidaps.MainApp;
+import info.nightscout.androidaps.events.Event;
 import info.nightscout.androidaps.plugins.NSClientInternal.events.EventNSClientRestart;
-import info.nightscout.androidaps.plugins.NSClientInternal.services.NSClientService;
 import io.socket.client.Ack;
 
 /**
  * Created by mike on 29.12.2015.
  */
-public class NSAddAck implements Ack {
+public class NSAddAck extends Event implements Ack {
     private static Logger log = LoggerFactory.getLogger(NSAddAck.class);
     public String _id = null;
     public String nsClientID = null;
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/acks/NSAuthAck.java b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/acks/NSAuthAck.java
index 3c3b173173..56055351d9 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/acks/NSAuthAck.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/acks/NSAuthAck.java
@@ -3,13 +3,14 @@ package info.nightscout.androidaps.plugins.NSClientInternal.acks;
 import org.json.JSONObject;
 
 import info.nightscout.androidaps.MainApp;
+import info.nightscout.androidaps.events.Event;
 import info.nightscout.androidaps.plugins.NSClientInternal.events.EventNSClientNewLog;
 import io.socket.client.Ack;
 
 /**
  * Created by mike on 02.01.2016.
  */
-public class NSAuthAck implements Ack{
+public class NSAuthAck extends Event implements Ack{
     public boolean read = false;
     public boolean write = false;
     public boolean write_treatment = false;
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/acks/NSPingAck.java b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/acks/NSPingAck.java
deleted file mode 100644
index 1ec6e3991c..0000000000
--- a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/acks/NSPingAck.java
+++ /dev/null
@@ -1,44 +0,0 @@
-package info.nightscout.androidaps.plugins.NSClientInternal.acks;
-
-import android.os.SystemClock;
-
-import org.json.JSONException;
-import org.json.JSONObject;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import io.socket.client.Ack;
-
-/**
- * Created by mike on 29.12.2015.
- */
-public class NSPingAck  implements Ack {
-    private static Logger log = LoggerFactory.getLogger(NSPingAck.class);
-
-    public long mills = 0;
-    public boolean received = false;
-    public boolean auth_received = false;
-    public boolean read = false;
-    public boolean write = false;
-    public boolean write_treatment = false;
-
-    public void call(Object...args) {
-        JSONObject response = (JSONObject)args[0];
-        mills = response.optLong("mills");
-        if (response.has("authorization")) {
-            auth_received = true;
-            try {
-                JSONObject authorization = response.getJSONObject("authorization");
-                read = authorization.optBoolean("read");
-                write = authorization.optBoolean("write");
-                write_treatment = authorization.optBoolean("write_treatment");
-            } catch (JSONException e) {
-                log.error("Unhandled exception", e);
-            }
-        }
-        received = true;
-        synchronized(this) {
-            this.notify();
-        }
-    }
-}
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/acks/NSUpdateAck.java b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/acks/NSUpdateAck.java
index 5aef754d8c..2bf520da64 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/acks/NSUpdateAck.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/acks/NSUpdateAck.java
@@ -6,12 +6,13 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import info.nightscout.androidaps.MainApp;
+import info.nightscout.androidaps.events.Event;
 import io.socket.client.Ack;
 
 /**
  * Created by mike on 21.02.2016.
  */
-public class NSUpdateAck implements Ack {
+public class NSUpdateAck extends Event implements Ack {
     private static Logger log = LoggerFactory.getLogger(NSUpdateAck.class);
     public boolean result = false;
     public String _id = null;
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientNewLog.java b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientNewLog.java
index 7caafbd28a..82b11a812d 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientNewLog.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientNewLog.java
@@ -1,19 +1,15 @@
 package info.nightscout.androidaps.plugins.NSClientInternal.events;
 
-import android.text.Html;
-import android.text.Spanned;
-
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.text.SimpleDateFormat;
 import java.util.Date;
 
+import info.nightscout.androidaps.events.Event;
+
 /**
  * Created by mike on 15.02.2017.
  */
 
-public class EventNSClientNewLog {
+public class EventNSClientNewLog extends Event {
     public Date date = new Date();
     public String action;
     public String logText;
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientRestart.java b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientRestart.java
index 9bf90be31b..b968878da8 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientRestart.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientRestart.java
@@ -1,8 +1,10 @@
 package info.nightscout.androidaps.plugins.NSClientInternal.events;
 
+import info.nightscout.androidaps.events.Event;
+
 /**
  * Created by mike on 15.02.2017.
  */
 
-public class EventNSClientRestart {
+public class EventNSClientRestart extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientStatus.java b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientStatus.java
index 6a1c721535..977c0e31fc 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientStatus.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientStatus.java
@@ -1,9 +1,11 @@
 package info.nightscout.androidaps.plugins.NSClientInternal.events;
 
+import info.nightscout.androidaps.events.Event;
+
 /**
  * Created by mike on 02.01.2016.
  */
-public class EventNSClientStatus {
+public class EventNSClientStatus extends Event {
     public String status = "";
 
     public EventNSClientStatus(String status) {
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientUpdateGUI.java b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientUpdateGUI.java
index 8f00bd3424..dd78d2cd28 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientUpdateGUI.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/NSClientInternal/events/EventNSClientUpdateGUI.java
@@ -1,8 +1,10 @@
 package info.nightscout.androidaps.plugins.NSClientInternal.events;
 
+import info.nightscout.androidaps.events.EventUpdateGui;
+
 /**
  * Created by mike on 17.02.2017.
  */
 
-public class EventNSClientUpdateGUI {
+public class EventNSClientUpdateGUI extends EventUpdateGui {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/OpenAPSMA/events/EventOpenAPSUpdateGui.java b/app/src/main/java/info/nightscout/androidaps/plugins/OpenAPSMA/events/EventOpenAPSUpdateGui.java
index 65b3b49d53..40f3c31973 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/OpenAPSMA/events/EventOpenAPSUpdateGui.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/OpenAPSMA/events/EventOpenAPSUpdateGui.java
@@ -1,7 +1,9 @@
 package info.nightscout.androidaps.plugins.OpenAPSMA.events;
 
+import info.nightscout.androidaps.events.EventUpdateGui;
+
 /**
  * Created by mike on 05.08.2016.
  */
-public class EventOpenAPSUpdateGui {
+public class EventOpenAPSUpdateGui extends EventUpdateGui {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/OpenAPSMA/events/EventOpenAPSUpdateResultGui.java b/app/src/main/java/info/nightscout/androidaps/plugins/OpenAPSMA/events/EventOpenAPSUpdateResultGui.java
index 2aa2365eff..e65cdd2c57 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/OpenAPSMA/events/EventOpenAPSUpdateResultGui.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/OpenAPSMA/events/EventOpenAPSUpdateResultGui.java
@@ -1,9 +1,11 @@
 package info.nightscout.androidaps.plugins.OpenAPSMA.events;
 
+import info.nightscout.androidaps.events.EventUpdateGui;
+
 /**
  * Created by mike on 05.08.2016.
  */
-public class EventOpenAPSUpdateResultGui {
+public class EventOpenAPSUpdateResultGui extends EventUpdateGui {
     public String text = null;
 
     public EventOpenAPSUpdateResultGui(String text) {
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventDismissBolusprogressIfRunning.java b/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventDismissBolusprogressIfRunning.java
index 9d8435eaf1..af336cd74c 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventDismissBolusprogressIfRunning.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventDismissBolusprogressIfRunning.java
@@ -1,12 +1,13 @@
 package info.nightscout.androidaps.plugins.Overview.events;
 
 import info.nightscout.androidaps.data.PumpEnactResult;
+import info.nightscout.androidaps.events.Event;
 
 /**
  * Created by adrian on 20/02/17.
  */
 
-public class EventDismissBolusprogressIfRunning {
+public class EventDismissBolusprogressIfRunning extends Event {
     public final PumpEnactResult result;
 
     public EventDismissBolusprogressIfRunning(PumpEnactResult result) {
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventDismissNotification.java b/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventDismissNotification.java
index f2414e2a4e..1fa71febbe 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventDismissNotification.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventDismissNotification.java
@@ -1,10 +1,12 @@
 package info.nightscout.androidaps.plugins.Overview.events;
 
+import info.nightscout.androidaps.events.Event;
+
 /**
  * Created by mike on 03.12.2016.
  */
 
-public class EventDismissNotification {
+public class EventDismissNotification extends Event {
     public int id;
 
     public EventDismissNotification(int did) {
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventNewNotification.java b/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventNewNotification.java
index 8a80019f3e..59ad1a335d 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventNewNotification.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventNewNotification.java
@@ -1,12 +1,13 @@
 package info.nightscout.androidaps.plugins.Overview.events;
 
+import info.nightscout.androidaps.events.Event;
 import info.nightscout.androidaps.plugins.Overview.Notification;
 
 /**
  * Created by mike on 03.12.2016.
  */
 
-public class EventNewNotification {
+public class EventNewNotification extends Event {
     public Notification notification;
 
     public EventNewNotification(Notification n) {
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventOverviewBolusProgress.java b/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventOverviewBolusProgress.java
index 0882032362..e0fd53a1fd 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventOverviewBolusProgress.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventOverviewBolusProgress.java
@@ -4,8 +4,9 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
 import info.nightscout.androidaps.db.Treatment;
+import info.nightscout.androidaps.events.Event;
 
-public class EventOverviewBolusProgress {
+public class EventOverviewBolusProgress extends Event {
     private static Logger log = LoggerFactory.getLogger(EventOverviewBolusProgress.class);
     public String status = "";
     public Treatment t = null;
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventQuickWizardChange.java b/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventQuickWizardChange.java
index 1a9923f606..b72c2548e2 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventQuickWizardChange.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventQuickWizardChange.java
@@ -1,8 +1,10 @@
 package info.nightscout.androidaps.plugins.Overview.events;
 
+import info.nightscout.androidaps.events.Event;
+
 /**
  * Created by mike on 20.10.2016.
  */
 
-public class EventQuickWizardChange {
+public class EventQuickWizardChange extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventSetWakeLock.java b/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventSetWakeLock.java
index 519341172d..49ccf9fbfb 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventSetWakeLock.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/Overview/events/EventSetWakeLock.java
@@ -1,10 +1,12 @@
 package info.nightscout.androidaps.plugins.Overview.events;
 
+import info.nightscout.androidaps.events.Event;
+
 /**
  * Created by mike on 02.07.2017.
  */
 
-public class EventSetWakeLock {
+public class EventSetWakeLock extends Event {
     public boolean lock = false;
 
     public EventSetWakeLock(boolean val) {
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/ProfileNS/events/EventNSProfileUpdateGUI.java b/app/src/main/java/info/nightscout/androidaps/plugins/ProfileNS/events/EventNSProfileUpdateGUI.java
index 7bb5df792f..d24c59e511 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/ProfileNS/events/EventNSProfileUpdateGUI.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/ProfileNS/events/EventNSProfileUpdateGUI.java
@@ -1,7 +1,9 @@
 package info.nightscout.androidaps.plugins.ProfileNS.events;
 
+import info.nightscout.androidaps.events.EventUpdateGui;
+
 /**
  * Created by mike on 05.08.2016.
  */
-public class EventNSProfileUpdateGUI {
+public class EventNSProfileUpdateGUI extends EventUpdateGui {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/events/EventDanaRBolusStart.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/events/EventDanaRBolusStart.java
index 8217b51432..9e3af48fb2 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/events/EventDanaRBolusStart.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/events/EventDanaRBolusStart.java
@@ -1,7 +1,9 @@
 package info.nightscout.androidaps.plugins.PumpDanaR.events;
 
+import info.nightscout.androidaps.events.Event;
+
 /**
  * Created by mike on 03.08.2016.
  */
-public class EventDanaRBolusStart {
+public class EventDanaRBolusStart extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/events/EventDanaRNewStatus.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/events/EventDanaRNewStatus.java
index a04f27f2d6..55b0ab0998 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/events/EventDanaRNewStatus.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/events/EventDanaRNewStatus.java
@@ -1,7 +1,9 @@
 package info.nightscout.androidaps.plugins.PumpDanaR.events;
 
+import info.nightscout.androidaps.events.Event;
+
 /**
  * Created by mike on 08.07.2016.
  */
-public class EventDanaRNewStatus {
+public class EventDanaRNewStatus extends Event {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/events/EventDanaRSyncStatus.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/events/EventDanaRSyncStatus.java
index b64cf22748..4e3f28de9d 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/events/EventDanaRSyncStatus.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpDanaR/events/EventDanaRSyncStatus.java
@@ -1,9 +1,11 @@
 package info.nightscout.androidaps.plugins.PumpDanaR.events;
 
+import info.nightscout.androidaps.events.Event;
+
 /**
  * Created by mike on 20.07.2016.
  */
-public class EventDanaRSyncStatus {
+public class EventDanaRSyncStatus extends Event {
     public String message;
 
     public EventDanaRSyncStatus() {
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/PumpVirtual/events/EventVirtualPumpUpdateGui.java b/app/src/main/java/info/nightscout/androidaps/plugins/PumpVirtual/events/EventVirtualPumpUpdateGui.java
index 110e0f4a56..e035ea3aba 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/PumpVirtual/events/EventVirtualPumpUpdateGui.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/PumpVirtual/events/EventVirtualPumpUpdateGui.java
@@ -1,7 +1,9 @@
 package info.nightscout.androidaps.plugins.PumpVirtual.events;
 
+import info.nightscout.androidaps.events.EventUpdateGui;
+
 /**
  * Created by mike on 05.08.2016.
  */
-public class EventVirtualPumpUpdateGui {
+public class EventVirtualPumpUpdateGui extends EventUpdateGui {
 }
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/SmsCommunicator/events/EventNewSMS.java b/app/src/main/java/info/nightscout/androidaps/plugins/SmsCommunicator/events/EventNewSMS.java
index 2b890fb59c..dfaebb3942 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/SmsCommunicator/events/EventNewSMS.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/SmsCommunicator/events/EventNewSMS.java
@@ -2,10 +2,12 @@ package info.nightscout.androidaps.plugins.SmsCommunicator.events;
 
 import android.os.Bundle;
 
+import info.nightscout.androidaps.events.Event;
+
 /**
  * Created by mike on 13.07.2016.
  */
-public class EventNewSMS {
+public class EventNewSMS extends Event {
     public Bundle bundle;
     public EventNewSMS(Bundle bundle) {
         this.bundle = bundle;
diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/SmsCommunicator/events/EventSmsCommunicatorUpdateGui.java b/app/src/main/java/info/nightscout/androidaps/plugins/SmsCommunicator/events/EventSmsCommunicatorUpdateGui.java
index 7c1d480e72..02956a5d67 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/SmsCommunicator/events/EventSmsCommunicatorUpdateGui.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/SmsCommunicator/events/EventSmsCommunicatorUpdateGui.java
@@ -1,7 +1,9 @@
 package info.nightscout.androidaps.plugins.SmsCommunicator.events;
 
+import info.nightscout.androidaps.events.EventUpdateGui;
+
 /**
  * Created by mike on 05.08.2016.
  */
-public class EventSmsCommunicatorUpdateGui {
+public class EventSmsCommunicatorUpdateGui extends EventUpdateGui {
 }