Make track import behavior on duplicate UUID configurable (default: import with a new UUID).

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

@@ -30,7 +30,6 @@ import java.io.File;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
-import java.util.UUID;
 
 import de.dennisguse.opentracks.BuildConfig;
 import de.dennisguse.opentracks.android.ContentResolverWrapper;
@@ -245,18 +244,6 @@ public class ContentProviderUtils {
         return null;
     }
 
-    /**
-     * @param uuid the UUID of a track.
-     */
-    public Track getTrack(UUID uuid) {
-        try (Cursor cursor = getTrackCursor(TracksColumns.UUID + "=?", new String[]{uuid.toString()}, TracksColumns._ID)) {
-            if (cursor != null && cursor.moveToNext()) {
-                return createTrack(cursor);
-            }
-        }
-        return null;
-    }
-
     /**
      * Gets a track cursor.
      * The caller owns the returned cursor and is responsible for closing it.

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

@@ -273,7 +273,18 @@ abstract class AbstractFileTrackImporter extends DefaultHandler implements Track
             trackData.trackStatisticsUpdater.updateTime(trackData.importTime);
         }
         trackData.track.setTrackStatistics(trackData.trackStatisticsUpdater.getTrackStatistics());
-        contentProviderUtils.updateTrack(trackData.track);
+
+        try {
+            contentProviderUtils.updateTrack(trackData.track);
+        } catch (SQLiteConstraintException e) {
+            if (PreferencesUtils.getPreventReimportTracks(context)) {
+                throw e;
+            }
+
+            //TODO This is a workaround until we have proper UI.
+            trackData.track.setUuid(UUID.randomUUID());
+            contentProviderUtils.updateTrack(trackData.track);
+        }
     }
 
     /**

src/main/java/de/dennisguse/opentracks/util/PreferencesUtils.java

@@ -340,6 +340,11 @@ public class PreferencesUtils {
         }
     }
 
+    public static boolean getPreventReimportTracks(Context context) {
+        final boolean defaultValue = getBoolean(context, R.bool.import_prevent_reimport_title_default, false);
+        return getBoolean(context, R.string.import_prevent_reimport_title_key, defaultValue);
+    }
+
     @Deprecated //Use TrackRecordingService
     public static boolean isRecording(Context context) {
         long recordingTrackId = getRecordingTrackId(context);

src/main/res/values/settings.xml

@@ -227,5 +227,8 @@
     <!-- See TrackFileFormat -->
     <string name="export_trackfileformat_default" translatable="false">KMZ_WITH_TRACKDETAIL_AND_SENSORDATA_AND_PICTURES</string>
 
+    <string name="import_prevent_reimport_title_key" translatable="false">preventReimportTrackKey</string>
+    <bool name="import_prevent_reimport_title_default">false</bool>
+
     <string name="settings_recording_key" translatable="false">settingsRecordingKey</string>
 </resources>

src/main/res/values/strings.xml

@@ -390,6 +390,8 @@ limitations under the License.
     <string name="settings_stats_units_imperial">Imperial (mi, ft)</string>
     <string name="settings_stats_units_metric">Metric (km, m)</string>
     <string name="settings_stats_units_title">Preferred units</string>
+
+    <string name="settings_prevent_reimport_tracks_title" translatable="false">Prevent re-import of tracks</string>
     <!-- Share Track -->
     <string name="share_track_share_file">Share track file</string>
     <string name="share_track_share_file_body">I think you might be interested in this track.\n\n%1$s</string>

src/main/res/xml/settings.xml

@@ -153,6 +153,10 @@ limitations under the License.
             android:key="@string/export_trackfileformat_key"
             android:title="@string/settings_default_trackfileformat"
             app:useSimpleSummaryProvider="true" />
+        <SwitchPreferenceCompat
+            android:defaultValue="@bool/import_prevent_reimport_title_default"
+            android:key="@string/import_prevent_reimport_title_key"
+            android:title="@string/settings_prevent_reimport_tracks_title" />
     </PreferenceCategory>
 
     <PreferenceCategory android:title="@string/settings_reset">