Cleanup using AndroidStudio analyze.

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

@@ -45,7 +45,7 @@ import de.dennisguse.opentracks.util.StringUtils;
 
 /**
  * Convert {@link Track} incl. {@link Marker} and {@link TrackPoint} to KML version 2.3.
- * https://docs.opengeospatial.org/is/12-007r2/12-007r2.html
+ * <a href="https://docs.opengeospatial.org/is/12-007r2/12-007r2.html">...</a>
  *
  * @author Sandor Dornbush
  * @author Rodrigo Damazio

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

@@ -41,8 +41,8 @@ import de.dennisguse.opentracks.util.StringUtils;
 /**
  * Imports a GPX file.
  * Uses:
- * * https://www8.garmin.com/xmlschemas/TrackPointExtensionv2.xsd
- * * https://www8.garmin.com/xmlschemas/PowerExtensionv1.xsd
+ * * <a href="https://www8.garmin.com/xmlschemas/TrackPointExtensionv2.xsd">...</a>
+ * * <a href="https://www8.garmin.com/xmlschemas/PowerExtensionv1.xsd">...</a>
  * <p>
  * {@link de.dennisguse.opentracks.io.file.exporter.GPXTrackExporter} does not export information if a segment was started automatic or manually.
  * Therefore, all segments starts are marked as SEGMENT_START_AUTOMATIC.

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

@@ -135,7 +135,7 @@ public class TrackImporter {
             track.setUuid(UUID.randomUUID());
         }
 
-        Collections.sort(trackPoints, (o1, o2) -> {
+        trackPoints.sort((o1, o2) -> {
             if (o1.getTime().isBefore(o2.getTime())) {
                 return -1;
             }