Cleanup: rename category to activityType.

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

@@ -2,8 +2,6 @@ package de.dennisguse.opentracks.services;
 
 import androidx.annotation.NonNull;
 
-import java.util.Objects;
-
 import de.dennisguse.opentracks.data.models.Track;
 import de.dennisguse.opentracks.data.models.TrackPoint;
 import de.dennisguse.opentracks.sensors.sensorData.SensorDataSet;
@@ -18,7 +16,7 @@ public record RecordingData(Track track, TrackPoint latestTrackPoint, SensorData
         if (track == null) {
             return "";
         }
-        return track.getCategory();
+        return track.getActivityType();
     }
 
     @NonNull

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

@@ -73,7 +73,7 @@ class TrackRecordingManager implements SharedPreferences.OnSharedPreferenceChang
         onNewTrackPoint(segmentStartTrackPoint);
 
         String category = PreferencesUtils.getDefaultActivity();
-        track.setCategory(category);
+        track.setActivityType(category);
         track.setIcon(TrackIconUtils.getIconValue(context, category));
         track.setTrackStatistics(trackStatisticsUpdater.getTrackStatistics());
         //TODO Pass TrackPoint

src/main/java/de/dennisguse/opentracks/services/announcement/VoiceAnnouncement.java

@@ -182,7 +182,7 @@ public class VoiceAnnouncement {
             sensorStatistics = contentProviderUtils.getSensorStats(track.getId());
         }
 
-        Spannable announcement = VoiceAnnouncementUtils.getAnnouncement(context, track.getTrackStatistics(), PreferencesUtils.getUnitSystem(), PreferencesUtils.isReportSpeed(track.getCategory()), lastInterval, sensorStatistics);
+        Spannable announcement = VoiceAnnouncementUtils.getAnnouncement(context, track.getTrackStatistics(), PreferencesUtils.getUnitSystem(), PreferencesUtils.isReportSpeed(track.getActivityType()), lastInterval, sensorStatistics);
 
         if (announcement.length() > 0) {
             // We don't care about the utterance id. It is supplied here to force onUtteranceCompleted to be called.