TrackPoint has Location as delegate instead of inheritance.

src/main/java/de/dennisguse/opentracks/content/provider/ContentProviderUtils.java

@@ -755,7 +755,7 @@ public class ContentProviderUtils {
      * @param cursor the cursor pointing to the location
      */
     public TrackPoint createTrackPoint(Cursor cursor) {
-        TrackPoint location = new TrackPoint("");
+        TrackPoint location = new TrackPoint();
         fillTrackPoint(cursor, new CachedTrackPointsIndexes(cursor), location);
         return location;
     }

src/main/java/de/dennisguse/opentracks/content/provider/TrackPointFactory.java

@@ -1,5 +1,6 @@
 package de.dennisguse.opentracks.content.provider;
 
+import android.location.Location;
 import android.location.LocationManager;
 
 import de.dennisguse.opentracks.content.data.TrackPoint;
@@ -16,6 +17,6 @@ public class TrackPointFactory {
     public static final TrackPointFactory DEFAULT_LOCATION_FACTORY = new TrackPointFactory();
 
     public TrackPoint create() {
-        return new TrackPoint(LocationManager.GPS_PROVIDER);
+        return new TrackPoint(new Location(LocationManager.GPS_PROVIDER));
     }
 }

src/main/java/de/dennisguse/opentracks/content/provider/TrackPointIterator.java

@@ -18,7 +18,7 @@ public class TrackPointIterator implements Iterator<TrackPoint>, AutoCloseable {
     private final ContentProviderUtils contentProviderUtils;
     private final long trackId;
     private final boolean descending;
-    private final TrackPointFactory trackPointFactory;
+    private final TrackPointFactory trackPointFactory; //TODO Remove; seems to be an old performance optimization.
     private final CachedTrackPointsIndexes indexes;
     private long lastTrackPointId = -1L;
     private Cursor cursor;