update readme and added task for data from service to fragment

Author: hanscappelle

README.md

@@ -60,7 +60,8 @@ And the manifest needs to contain:
 
 * complete sensor listing and data visualisation
 * add grahps for data view
-* implement the wake device on wave or other use case
+* communicate sensor readings from service to configuration fragment
+* add check for threshold values, should go beyond threshold before triggering again
 
 ## Version History
 

app/src/main/java/be/hcpl/android/sensors/service/SensorBackgroundService.java

@@ -128,6 +128,12 @@ public void onSensorChanged(SensorEvent event) {
         // we need to enable the screen
         if (sensorValue < mThresholdMin || sensorValue > mThresholdMax) {
 
+            // and a check in between that there should have been a non triggering value before
+            // we can mark a given value as trigger. This is to overcome unneeded wakeups during
+            // night for instance where the sensor readings for a light sensor would always be below
+            // the threshold needed for day time use.
+
+
             // TODO we could even make the actions configurable...
 
             // wake screen here

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

@@ -25,6 +25,8 @@
         android:layout_below="@+id/btnStart"
         android:text="@string/stop" />
 
+    <!-- TODO communicate current sensor value from service to activity using handler -->
+
     <!-- some configurable options -->
 
     <TextView