KMZ/KML: Export/Import SENSORPOINTs.

Part of #500.

src/main/java/de/dennisguse/opentracks/io/file/exporter/GPXTrackExporter.java

@@ -151,6 +151,9 @@ public class GPXTrackExporter implements TrackExporter {
                         wroteSegment = true;
                         writeTrackPoint(trackPoint);
                         break;
+                    case SENSORPOINT:
+                        //TODO We need somehow to compute the sensor data (mainly sensorDistance if present) and add it to the TRACKPOINT (if no segment followed in between)?
+                        break;
                     case TRACKPOINT:
                         if (!wroteSegment) {
                             // Might happen for older data (pre v3.15.0)
@@ -159,6 +162,8 @@ public class GPXTrackExporter implements TrackExporter {
                         }
                         writeTrackPoint(trackPoint);
                         break;
+                    default:
+                        throw new RuntimeException("Exporting this TrackPoint type is not implemented: " + trackPoint.getType());
                 }
             }
 

src/main/java/de/dennisguse/opentracks/io/file/exporter/KMLTrackExporter.java

@@ -181,6 +181,7 @@ public class KMLTrackExporter implements TrackExporter {
                         writeCloseSegment();
                         wroteSegment = false;
                         break;
+                    case SENSORPOINT:
                     case TRACKPOINT:
                         if (!wroteSegment) {
                             // Might happen for older data (pre v3.15.0)
@@ -189,6 +190,8 @@ public class KMLTrackExporter implements TrackExporter {
                         }
                         writeTrackPoint(trackPoint);
                         break;
+                    default:
+                        throw new RuntimeException("Exporting this TrackPoint type is not implemented: " + trackPoint.getType());
                 }
             }
 

src/main/java/de/dennisguse/opentracks/io/file/importer/GpxTrackImporter.java

@@ -243,7 +243,7 @@ public class GpxTrackImporter extends DefaultHandler implements XMLImporter.Trac
 
     private void onTrackSegmentEnd() {
         if (currentSegment.isEmpty()) {
-            Log.w(TAG, "No locations in current segment.");
+            Log.w(TAG, "No TrackPoints in current segment.");
             return;
         }
 
@@ -256,7 +256,7 @@ public class GpxTrackImporter extends DefaultHandler implements XMLImporter.Trac
 
 
     private TrackPoint createTrackPoint() throws ParsingException {
-        Instant parsedTime = null;
+        Instant parsedTime;
         try {
             parsedTime = StringUtils.parseTime(time);
         } catch (Exception e) {

src/main/java/de/dennisguse/opentracks/io/file/importer/KmlTrackImporter.java

@@ -295,15 +295,21 @@ public class KmlTrackImporter extends DefaultHandler implements XMLImporter.Trac
 
             TrackPoint trackPoint;
             if (i == 0) {
+                //first
                 if (location == null) {
                     trackPoint = TrackPoint.createSegmentStartManualWithTime(time);
                 } else {
                     trackPoint = new TrackPoint(TrackPoint.Type.SEGMENT_START_AUTOMATIC, location, time);
                 }
             } else if (i == locationList.size() - 1 && location == null) {
+                //last
                 trackPoint = TrackPoint.createSegmentEndWithTime(time);
             } else {
-                trackPoint = new TrackPoint(TrackPoint.Type.TRACKPOINT, location, time);
+                if (location == null) {
+                    trackPoint = new TrackPoint(TrackPoint.Type.SENSORPOINT, time);
+                } else {
+                    trackPoint = new TrackPoint(TrackPoint.Type.TRACKPOINT, location, time);
+                }
             }
 
             if (i < sensorSpeedList.size() && sensorSpeedList.get(i) != null) {