TrackRecordingManager: do not store sensor distance twice (previous TrackPoint's storage was delayed).

Fixes #969.

src/main/java/de/dennisguse/opentracks/content/data/TrackPoint.java

@@ -349,6 +349,13 @@ public class TrackPoint {
         return this;
     }
 
+    public TrackPoint minusSensorDistance(@NonNull TrackPoint lastTrackPoint) {
+        if (hasSensorDistance() && lastTrackPoint.hasSensorDistance()) {
+            setSensorDistance(getSensorDistance().minus(lastTrackPoint.getSensorDistance()));
+        }
+        return this;
+    }
+
     public boolean hasSensorData() {
         return hasHeartRate() || hasCyclingCadence() || hasPower();
     }
@@ -396,10 +403,9 @@ public class TrackPoint {
     @Override
     public String toString() {
         String result = "time=" + getTime() + " (type=" + getType() + ")";
-        if (!hasLocation()) {
-            return result;
+        if (hasLocation()) {
+            result += ": lat=" + getLatitude() + " lng=" + getLongitude();
         }
-        result += ": lat=" + getLatitude() + " lng=" + getLongitude();
         if (hasHorizontalAccuracy()) {
             result += " acc=" + getHorizontalAccuracy();
         }

src/main/java/de/dennisguse/opentracks/content/sensor/SensorDataSet.java

@@ -73,8 +73,8 @@ public final class SensorDataSet {
         }
 
         if (cyclingDistanceSpeed != null && cyclingDistanceSpeed.hasValue()) {
-            trackPoint.setSensorDistance(cyclingDistanceSpeed.getValue().getDistanceOverall());
-            trackPoint.setSpeed(cyclingDistanceSpeed.getValue().getSpeed());
+            trackPoint.setSensorDistance(cyclingDistanceSpeed.getValue().getDistanceOverall())
+                    .setSpeed(cyclingDistanceSpeed.getValue().getSpeed());
         }
 
         if (cyclingPower != null && cyclingPower.hasValue()) {
@@ -82,9 +82,9 @@ public final class SensorDataSet {
         }
 
         if (runningDistanceSpeedCadence != null && runningDistanceSpeedCadence.hasValue()) {
-            trackPoint.setSensorDistance(runningDistanceSpeedCadence.getValue().getDistance());
-            trackPoint.setSpeed(runningDistanceSpeedCadence.getValue().getSpeed());
-            trackPoint.setCyclingCadence_rpm(runningDistanceSpeedCadence.getValue().getCadence());
+            trackPoint.setSensorDistance(runningDistanceSpeedCadence.getValue().getDistance())
+                    .setSpeed(runningDistanceSpeedCadence.getValue().getSpeed())
+                    .setCyclingCadence_rpm(runningDistanceSpeedCadence.getValue().getCadence());
         }
     }
 

src/main/java/de/dennisguse/opentracks/services/TrackRecordingManager.java

@@ -207,6 +207,8 @@ class TrackRecordingManager {
                 Log.w(TAG, "Ignore insertTrackPoint. trackPoint time same as last valid trackId point time.");
             } else {
                 insertTrackPointHelper(trackId, lastTrackPoint);
+                // Remove the sensorDistance from trackPoint that is already going  be stored with lastTrackPoint.
+                trackPoint.minusSensorDistance(lastTrackPoint);
             }
             lastTrackPoint = null;
         }