correctly use the <Cadence> tag for biking related activities

MyTracks/src/com/google/android/apps/mytracks/io/file/TcxTrackWriter.java

@@ -21,6 +21,7 @@ import com.google.android.apps.mytracks.content.Sensor.SensorDataSet;
 import com.google.android.apps.mytracks.content.Track;
 import com.google.android.apps.mytracks.content.Waypoint;
 import com.google.android.apps.mytracks.io.file.TrackWriterFactory.TrackFileFormat;
+import com.google.android.apps.mytracks.lib.R;
 import com.google.android.apps.mytracks.util.FileUtils;
 import com.google.android.apps.mytracks.util.SystemUtils;
 
@@ -47,6 +48,23 @@ import java.util.Locale;
  */
 public class TcxTrackWriter implements TrackFormatWriter {
 
+  // "Biking" related string IDs
+  private static final int TCX_SPORT_BIKING_IDS[] = {
+      R.string.activity_type_cycling,
+      R.string.activity_type_dirt_bike,
+      R.string.activity_type_mountain_biking,
+      R.string.activity_type_road_biking,
+      R.string.activity_type_track_cycling,
+  };
+  // "Running" related string IDs
+  private static final int TCX_SPORT_RUNNING_IDS[] = {
+      R.string.activity_type_running,
+      R.string.activity_type_speed_walking,
+      R.string.activity_type_street_running,
+      R.string.activity_type_track_running,
+      R.string.activity_type_trail_running,
+      R.string.activity_type_walking,
+  };
   // These are the only sports allowed by the TCX v2 specification for fields
   // of type Sport_t.
   private static final String TCX_SPORT_BIKING = "Biking";
@@ -302,6 +320,19 @@ public class TcxTrackWriter implements TrackFormatWriter {
 
   private String categoryToTcxSport(String category) {
     category = category.trim();
+
+    // category is possibly localised here, so compare it to localised string resources
+    for (int i : TCX_SPORT_RUNNING_IDS) {
+      if (category.equalsIgnoreCase(context.getResources().getString(i))) {
+        return TCX_SPORT_RUNNING;
+      }
+    }
+    for (int i : TCX_SPORT_BIKING_IDS) {
+      if (category.equalsIgnoreCase(context.getResources().getString(i))) {
+        return TCX_SPORT_BIKING;
+      }
+    }
+
     if (category.equalsIgnoreCase(TCX_SPORT_RUNNING)) {
       return TCX_SPORT_RUNNING;
     } else if (category.equalsIgnoreCase(TCX_SPORT_BIKING)) {