Store empty values for measurements that aren't enabled

android_app/app/src/main/java/com/health/openscale/gui/activities/DataEntryActivity.java

@@ -302,6 +302,15 @@ public class DataEntryActivity extends AppCompatActivity {
             }
 
             isDirty = true;
+
+            // Measurements that aren't visible should not store any value. Since we use values from
+            // the previous measurement there might be values for entries not shown. The loop below
+            // clears these values.
+            for (MeasurementView measurement : dataEntryMeasurements) {
+                if (!measurement.isVisible()) {
+                    measurement.clearIn(scaleMeasurement);
+                }
+            }
         }
 
         for (MeasurementView measurement : dataEntryMeasurements) {

android_app/app/src/main/java/com/health/openscale/gui/views/CommentMeasurementView.java

@@ -62,6 +62,11 @@ public class CommentMeasurementView extends MeasurementView {
         measurement.setComment(comment);
     }
 
+    @Override
+    public void clearIn(ScaleMeasurement measurement) {
+        measurement.setComment("");
+    }
+
     @Override
     public void restoreState(Bundle state) {
         setValue(state.getString(getKey()), true);

android_app/app/src/main/java/com/health/openscale/gui/views/DateMeasurementView.java

@@ -77,6 +77,11 @@ public class DateMeasurementView extends MeasurementView {
         measurement.setDateTime(target.getTime());
     }
 
+    @Override
+    public void clearIn(ScaleMeasurement measurement) {
+        // Ignore
+    }
+
     @Override
     public void restoreState(Bundle state) {
         setValue(new Date(state.getLong(getKey())), true);

android_app/app/src/main/java/com/health/openscale/gui/views/FloatMeasurementView.java

@@ -322,6 +322,11 @@ public abstract class FloatMeasurementView extends MeasurementView {
         }
     }
 
+    @Override
+    public void clearIn(ScaleMeasurement measurement) {
+        setMeasurementValue(0.0f, measurement);
+    }
+
     @Override
     public void restoreState(Bundle state) {
         setValue(state.getFloat(getKey()), previousValue, true);

android_app/app/src/main/java/com/health/openscale/gui/views/MeasurementView.java

@@ -259,6 +259,7 @@ public abstract class MeasurementView extends TableLayout {
 
     public abstract void loadFrom(ScaleMeasurement measurement, ScaleMeasurement previousMeasurement);
     public abstract void saveTo(ScaleMeasurement measurement);
+    public abstract void clearIn(ScaleMeasurement measurement);
 
     public abstract void restoreState(Bundle state);
     public abstract void saveState(Bundle state);

android_app/app/src/main/java/com/health/openscale/gui/views/TimeMeasurementView.java

@@ -80,6 +80,11 @@ public class TimeMeasurementView extends MeasurementView {
         measurement.setDateTime(target.getTime());
     }
 
+    @Override
+    public void clearIn(ScaleMeasurement measurement) {
+        // Ignore
+    }
+
     @Override
     public void restoreState(Bundle state) {
         setValue(new Date(state.getLong(getKey())), true);