Bugfix: crash if heart rate sensor was null (i.e., preference not initialized).

Initialization of looper was missing.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,6 +1,6 @@
 ---
 name: Bug report
-about: Report issues of Opentracks features
+about: Report issues of OpenTracks features
 title: ''
 labels: potential bug
 assignees: ''

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,10 @@
+# Thanks for your contribution.
+
+**Describe the pull request**
+A clear and concise description of what the pull request changes/adds.
+
+**Link to the the issue**
+(If available): The link to the issue that this pull request solves.
+
+**License agreement**
+By opening this pull request, you are providing your contribution under the _Apache License 2.0_ (see [LICENSE.md](LICENSE.md)).

fastlane/metadata/android/en-US/changelogs/3162.txt

@@ -0,0 +1,10 @@
+v3.2.8: OpenTracks
+
+Changes:
+- Chart: zoom via gestures
+
+Bugfixes:
+- Export via KMZ did not export picture filenames correctly
+- Sharing multiple tracks did not include KMZ files
+- MarkerDetailActivity's UI was not shown
+- Settings crashed if preference of heart rate was not initialized

fastlane/metadata/android/fr-FR/full_description.txt

@@ -0,0 +1,9 @@
+OpenTracks est une application de suivi d'activités sportives qui respecte totalement votre vie privée.
+
+Fonctionnalités :
+
+* Suivi d'activité : enregistre vos activités sportives et de plein air
+* Photos et repères : ajout de photos et de repères pendant l'enregistrement de l'activité
+* Rythme cardiaque : support des capteurs Bluetooth LE
+* Export : export des traces au format KML ou GPX
+* Pas d'accès internet requis : Internet n'est pas nécessaire pour le fonctionnement de l'application

fastlane/metadata/android/fr-FR/short_description.txt

@@ -0,0 +1 @@
+OpenTracks est une application de suivi d'activités sportives qui respecte totalement votre vie privée.

src/androidTest/java/de/dennisguse/opentracks/chart/ChartValueSeriesTest.java

@@ -13,7 +13,7 @@
  * License for the specific language governing permissions and limitations under
  * the License.
  */
-package de.dennisguse.opentracks;
+package de.dennisguse.opentracks.chart;
 
 import androidx.test.core.app.ApplicationProvider;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
@@ -23,6 +23,8 @@ import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import de.dennisguse.opentracks.R;
+
 /**
  * Tests {@link ChartValueSeries}.
  *

src/androidTest/java/de/dennisguse/opentracks/content/CustomContentProviderUtilsTest.java

@@ -35,21 +35,19 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicInteger;
 
-import de.dennisguse.opentracks.content.ContentProviderUtils.LocationFactory;
-import de.dennisguse.opentracks.content.ContentProviderUtils.LocationIterator;
 import de.dennisguse.opentracks.content.Waypoint.WaypointType;
 import de.dennisguse.opentracks.stats.TripStatistics;
 
 import static org.mockito.Mockito.when;
 
 /**
- * A unit test for {@link ContentProviderUtilsImpl}.
+ * A unit test for {@link ContentProviderUtils}.
  *
  * @author Bartlomiej Niechwiej
  * @author Youtao Liu
  */
 @RunWith(MockitoJUnitRunner.class)
-public class CustomContentProviderUtilsImplTest {
+public class CustomContentProviderUtilsTest {
     private static final String NAME_PREFIX = "test name";
     private static final String MOCK_DESC = "Mock Next Waypoint Desc!";
     private static final String TEST_DESC = "Test Desc!";
@@ -69,13 +67,13 @@ public class CustomContentProviderUtilsImplTest {
 
     @Before
     public void setUp() {
-        providerUtils = ContentProviderUtils.Factory.get(context);
+        providerUtils = new ContentProviderUtils(context);
         providerUtils.deleteAllTracks(context);
     }
 
     @Test
     public void testLocationIterator_noPoints() {
-        testIterator(1, 0, 1, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(1, 0, 1, false, LocationFactory.DEFAULT_LOCATION_FACTORY);
     }
 
     @Test
@@ -105,36 +103,36 @@ public class CustomContentProviderUtilsImplTest {
 
     @Test
     public void testLocationIterator_noBatchAscending() {
-        testIterator(1, 50, 100, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(1, 50, 100, false, LocationFactory.DEFAULT_LOCATION_FACTORY);
-        testIterator(2, 50, 50, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(2, 50, 50, false, LocationFactory.DEFAULT_LOCATION_FACTORY);
     }
 
     @Test
     public void testLocationIterator_noBatchDescending() {
-        testIterator(1, 50, 100, true, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(1, 50, 100, true, LocationFactory.DEFAULT_LOCATION_FACTORY);
-        testIterator(2, 50, 50, true, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(2, 50, 50, true, LocationFactory.DEFAULT_LOCATION_FACTORY);
     }
 
     @Test
     public void testLocationIterator_batchAscending() {
-        testIterator(1, 50, 11, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(1, 50, 11, false, LocationFactory.DEFAULT_LOCATION_FACTORY);
-        testIterator(2, 50, 25, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(2, 50, 25, false, LocationFactory.DEFAULT_LOCATION_FACTORY);
     }
 
     @Test
     public void testLocationIterator_batchDescending() {
-        testIterator(1, 50, 11, true, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(1, 50, 11, true, LocationFactory.DEFAULT_LOCATION_FACTORY);
-        testIterator(2, 50, 25, true, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(2, 50, 25, true, LocationFactory.DEFAULT_LOCATION_FACTORY);
     }
 
     @Test
     public void testLocationIterator_largeTrack() {
-        testIterator(1, 20000, 2000, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(1, 20000, 2000, false, LocationFactory.DEFAULT_LOCATION_FACTORY);
     }
 
     private List<Location> testIterator(long trackId, int numPoints, int batchSize, boolean descending, LocationFactory locationFactory) {
         long lastPointId = initializeTrack(trackId, numPoints);
-        ((ContentProviderUtilsImpl) providerUtils).setDefaultCursorBatchSize(batchSize);
+        ((ContentProviderUtils) providerUtils).setDefaultCursorBatchSize(batchSize);
         List<Location> locations = new ArrayList<Location>(numPoints);
         try (LocationIterator it = providerUtils.getTrackPointLocationIterator(trackId, -1L, descending, locationFactory)) {
             while (it.hasNext()) {
@@ -173,7 +171,7 @@ public class CustomContentProviderUtilsImplTest {
         // Load all inserted locations.
         long lastPointId = -1;
         int counter = 0;
-        try (LocationIterator it = providerUtils.getTrackPointLocationIterator(id, -1L, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY)) {
+        try (LocationIterator it = providerUtils.getTrackPointLocationIterator(id, -1L, false, LocationFactory.DEFAULT_LOCATION_FACTORY)) {
             while (it.hasNext()) {
                 it.next();
                 lastPointId = it.getLocationId();
@@ -189,7 +187,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#createTrack(Cursor)}.
+     * Tests the method {@link ContentProviderUtils#createTrack(Cursor)}.
      */
     @Test
     public void testCreateTrack() {
@@ -216,7 +214,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#deleteAllTracks(Context)}
+     * Tests the method {@link ContentProviderUtils#deleteAllTracks(Context)}
      */
     @Test
     public void testDeleteAllTracks() {
@@ -245,7 +243,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#deleteTrack(Context, long)}.
+     * Tests the method {@link ContentProviderUtils#deleteTrack(Context, long)}.
      */
     @Test
     public void testDeleteTrack() {
@@ -280,7 +278,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getAllTracks()}
+     * Tests the method {@link ContentProviderUtils#getAllTracks()}
      */
     @Test
     public void testGetAllTracks() {
@@ -293,7 +291,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getLastTrack()}
+     * Tests the method {@link ContentProviderUtils#getLastTrack()}
      */
     @Test
     public void testGetLastTrack() {
@@ -303,7 +301,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getTrack(long)}
+     * Tests the method {@link ContentProviderUtils#getTrack(long)}
      */
     @Test
     public void testGetTrack() {
@@ -313,7 +311,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#updateTrack(Track)}
+     * Tests the method {@link ContentProviderUtils#updateTrack(Track)}
      */
     @Test
     public void testUpdateTrack() {
@@ -330,7 +328,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#createContentValues(Waypoint)}.
+     * Tests the method {@link ContentProviderUtils#createContentValues(Waypoint)}.
      */
     @Test
     public void testCreateContentValues_waypoint() {
@@ -368,7 +366,7 @@ public class CustomContentProviderUtilsImplTest {
         waypoint.setLocation(location);
         providerUtils.insertWaypoint(waypoint);
 
-        ContentProviderUtilsImpl contentProviderUtils = new ContentProviderUtilsImpl(contentResolverMock);
+        ContentProviderUtils contentProviderUtils = new ContentProviderUtils(contentResolverMock);
 
         long waypointId = System.currentTimeMillis();
         waypoint.setId(waypointId);
@@ -381,7 +379,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#createWaypoint(Cursor)}.
+     * Tests the method {@link ContentProviderUtils#createWaypoint(Cursor)}.
      */
     @Test
     public void testCreateWaypoint() {
@@ -416,7 +414,7 @@ public class CustomContentProviderUtilsImplTest {
 
     /**
      * Tests the method
-     * {@link ContentProviderUtilsImpl#deleteWaypoint(Context, long, DescriptionGenerator)}
+     * {@link ContentProviderUtils#deleteWaypoint(Context, long, DescriptionGenerator)}
      * when there is only one waypoint in the track.
      */
     @Test
@@ -437,7 +435,7 @@ public class CustomContentProviderUtilsImplTest {
 
             @Override
             public String generateWaypointDescription(TripStatistics tripStatistics) {
-                return CustomContentProviderUtilsImplTest.MOCK_DESC;
+                return CustomContentProviderUtilsTest.MOCK_DESC;
             }
 
             @Override
@@ -452,7 +450,7 @@ public class CustomContentProviderUtilsImplTest {
 
     /**
      * Tests the method
-     * {@link ContentProviderUtilsImpl#deleteWaypoint(Context, long, DescriptionGenerator)}
+     * {@link ContentProviderUtils#deleteWaypoint(Context, long, DescriptionGenerator)}
      * when there is more than one waypoint in the track.
      */
     @Test
@@ -495,7 +493,7 @@ public class CustomContentProviderUtilsImplTest {
         DescriptionGenerator descriptionGenerator = new DescriptionGenerator() {
             @Override
             public String generateWaypointDescription(TripStatistics tripStatistics) {
-                return CustomContentProviderUtilsImplTest.MOCK_DESC;
+                return CustomContentProviderUtilsTest.MOCK_DESC;
             }
 
             @Override
@@ -508,12 +506,12 @@ public class CustomContentProviderUtilsImplTest {
         providerUtils.deleteWaypoint(context, waypoint1Id, descriptionGenerator);
         Assert.assertNull(providerUtils.getWaypoint(waypoint1Id));
 
-        Assert.assertEquals(CustomContentProviderUtilsImplTest.MOCK_DESC, providerUtils.getWaypoint(waypoint2Id)
+        Assert.assertEquals(CustomContentProviderUtilsTest.MOCK_DESC, providerUtils.getWaypoint(waypoint2Id)
                 .getDescription());
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getFirstWaypointId(long)}.
+     * Tests the method {@link ContentProviderUtils#getFirstWaypointId(long)}.
      */
     @Test
     public void testGetFirstWaypointId() {
@@ -535,7 +533,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getNextWaypointNumber(long, WaypointType)}.
+     * Tests the method {@link ContentProviderUtils#getNextWaypointNumber(long, WaypointType)}.
      */
     @Test
     public void testGetNextWaypointNumber() {
@@ -594,8 +592,8 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#insertWaypoint(Waypoint)} and
+     * Tests the method {@link ContentProviderUtils#insertWaypoint(Waypoint)} and
-     * {@link ContentProviderUtilsImpl#getWaypoint(long)}.
+     * {@link ContentProviderUtils#getWaypoint(long)}.
      */
     @Test
     public void testInsertAndGetWaypoint() {
@@ -612,7 +610,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#updateWaypoint(Waypoint)}.
+     * Tests the method {@link ContentProviderUtils#updateWaypoint(Waypoint)}.
      */
     @Test
     public void testUpdateWaypoint() {
@@ -634,7 +632,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#bulkInsertTrackPoint(Location[], int, long)}.
+     * Tests the method {@link ContentProviderUtils#bulkInsertTrackPoint(Location[], int, long)}.
      */
     @Test
     public void testBulkInsertTrackPoint() {
@@ -650,7 +648,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#createTrackPoint(Cursor)}.
+     * Tests the method {@link ContentProviderUtils#createTrackPoint(Cursor)}.
      */
     @Test
     public void testCreateTrackPoint() {
@@ -710,7 +708,7 @@ public class CustomContentProviderUtilsImplTest {
 
     /**
      * Tests the method
-     * {@link ContentProviderUtilsImpl#insertTrackPoint(Location, long)}.
+     * {@link ContentProviderUtils#insertTrackPoint(Location, long)}.
      */
     @Test
     public void testInsertTrackPoint() {
@@ -724,7 +722,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getFirstTrackPointId(long)}.
+     * Tests the method {@link ContentProviderUtils#getFirstTrackPointId(long)}.
      */
     @Test
     public void testGetFirstTrackPointId() {
@@ -737,7 +735,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getLastTrackPointId(long)}.
+     * Tests the method {@link ContentProviderUtils#getLastTrackPointId(long)}.
      */
     @Test
     public void testGetLastTrackPointId() {
@@ -750,7 +748,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getLastValidTrackPoint(long)}.
+     * Tests the method {@link ContentProviderUtils#getLastValidTrackPoint(long)}.
      */
     @Test
     public void testGetLastValidTrackPoint() {
@@ -764,7 +762,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getTrackPointCursor(long, long, int, boolean)} in descending.
+     * Tests the method {@link ContentProviderUtils#getTrackPointCursor(long, long, int, boolean)} in descending.
      */
     @Test
     public void testGetTrackPointCursor_desc() {
@@ -783,7 +781,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getTrackPointCursor(long, long, int, boolean)} in ascending.
+     * Tests the method {@link ContentProviderUtils#getTrackPointCursor(long, long, int, boolean)} in ascending.
      */
     @Test
     public void testGetTrackPointCursor_asc() {
@@ -802,7 +800,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getTrackPointLocationIterator(long, long, boolean, LocationFactory)} in descending.
+     * Tests the method {@link ContentProviderUtils#getTrackPointLocationIterator(long, long, boolean, LocationFactory)} in descending.
      */
     @Test
     public void testGetTrackPointLocationIterator_desc() {
@@ -818,7 +816,7 @@ public class CustomContentProviderUtilsImplTest {
 
         long startTrackPointId = trackpointIds[9];
 
-        LocationIterator locationIterator = providerUtils.getTrackPointLocationIterator(trackId, startTrackPointId, true, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        LocationIterator locationIterator = providerUtils.getTrackPointLocationIterator(trackId, startTrackPointId, true, LocationFactory.DEFAULT_LOCATION_FACTORY);
         for (int i = 0; i < trackpointIds.length; i++) {
             Assert.assertTrue(locationIterator.hasNext());
             Location location = locationIterator.next();
@@ -829,7 +827,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getTrackPointLocationIterator(long, long, boolean, LocationFactory)} in ascending.
+     * Tests the method {@link ContentProviderUtils#getTrackPointLocationIterator(long, long, boolean, LocationFactory)} in ascending.
      */
     @Test
     public void testGetTrackPointLocationIterator_asc() {
@@ -845,7 +843,7 @@ public class CustomContentProviderUtilsImplTest {
 
         long startTrackPointId = trackpointIds[0];
 
-        LocationIterator locationIterator = providerUtils.getTrackPointLocationIterator(trackId, startTrackPointId, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        LocationIterator locationIterator = providerUtils.getTrackPointLocationIterator(trackId, startTrackPointId, false, LocationFactory.DEFAULT_LOCATION_FACTORY);
         for (int i = 0; i < trackpointIds.length; i++) {
             Assert.assertTrue(locationIterator.hasNext());
             Location location = locationIterator.next();
@@ -892,7 +890,7 @@ public class CustomContentProviderUtilsImplTest {
     /**
      * Checks the value of a location.
      *
-     * @param i        the index of this location which created in the method {@link CustomContentProviderUtilsImplTest#getTrack(long, int)}
+     * @param i        the index of this location which created in the method {@link CustomContentProviderUtilsTest#getTrack(long, int)}
      * @param location the location to be checked
      */
     private void checkLocation(int i, Location location) {

src/androidTest/java/de/dennisguse/opentracks/content/SearchEngineTest.java

@@ -58,7 +58,7 @@ public class SearchEngineTest {
 
     @Before
     public void setUp() {
-        providerUtils = ContentProviderUtils.Factory.get(context);
+        providerUtils = new ContentProviderUtils(context);
         engine = new SearchEngine(providerUtils);
     }
 

src/androidTest/java/de/dennisguse/opentracks/fragments/ChartFragmentTest.java

@@ -17,17 +17,20 @@
 package de.dennisguse.opentracks.fragments;
 
 import android.location.Location;
+import android.os.Looper;
 
 import androidx.test.core.app.ApplicationProvider;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 
+import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.Before;
+import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import de.dennisguse.opentracks.ChartView;
 import de.dennisguse.opentracks.TrackStubUtils;
+import de.dennisguse.opentracks.chart.ChartView;
 import de.dennisguse.opentracks.content.SensorDataSetLocation;
 import de.dennisguse.opentracks.content.sensor.SensorDataSet;
 import de.dennisguse.opentracks.util.UnitConversions;
@@ -44,6 +47,17 @@ public class ChartFragmentTest {
 
     private ChartFragment chartFragment;
 
+    @BeforeClass
+    public static void preSetUp() {
+        // Prepare looper for Android's message queue
+        if (Looper.myLooper() == null) Looper.prepare();
+    }
+
+    @AfterClass
+    public static void finalTearDown() {
+        if (Looper.myLooper() != null) Looper.myLooper().quit();
+    }
+
     @Before
     public void setUp() {
         boolean chartByDistance = false;

src/androidTest/java/de/dennisguse/opentracks/services/TrackRecordingServiceTest.java

@@ -89,7 +89,7 @@ public class TrackRecordingServiceTest {
         };
         customContentProvider.attachInfo(context, null);
 
-        providerUtils = ContentProviderUtils.Factory.get(context);
+        providerUtils = new ContentProviderUtils(context);
 
         // Let's use default values.
         SharedPreferences sharedPreferences = PreferencesUtils.getSharedPreferences(context);

src/androidTest/java/de/dennisguse/opentracks/services/TrackRecordingServiceTestLooper.java

@@ -68,7 +68,7 @@ public class TrackRecordingServiceTestLooper {
         };
         customContentProvider.attachInfo(context, null);
 
-        providerUtils = ContentProviderUtils.Factory.get(context);
+        providerUtils = new ContentProviderUtils(context);
 
         // Let's use default values.
         SharedPreferences sharedPreferences = PreferencesUtils.getSharedPreferences(context);

src/androidTest/java/de/dennisguse/opentracks/util/FileUtilsTest.java

@@ -60,10 +60,15 @@ public class FileUtilsTest extends TestCase {
      */
     public void testSanitizeFileName() {
         String name = "Swim\10ming-^across:/the/ pacific (ocean).";
-        String expected = "Swim_ming-^across_the_ pacific (ocean)_";
+        String expected = "Swim_ming-^across_the_ pacific (ocean).";
         assertEquals(expected, FileUtils.sanitizeFileName(name));
     }
 
+    public void testSanitizeFileNameWithSuffix() {
+        String name = "FileName.jpeg";
+        assertEquals(name, FileUtils.sanitizeFileName(name));
+    }
+
     /**
      * Tests {@link FileUtils#sanitizeFileName(String)} with i18n characters (in Chinese and Russian).
      * Verifies that they are allowed.

src/main/AndroidManifest.xml

@@ -16,8 +16,8 @@ limitations under the License.
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="de.dennisguse.opentracks"
     android:installLocation="auto"
-    android:versionCode="3149"
+    android:versionCode="3162"
-    android:versionName="v3.2.7"> <!-- For FDroid. -->
+    android:versionName="v3.2.8"> <!-- For FDroid. -->
     <!-- Permission to initialize services -->
     <application
         android:name=".Startup"

src/main/java/de/dennisguse/opentracks/DeleteAsyncTask.java

@@ -69,7 +69,7 @@ public class DeleteAsyncTask extends AsyncTask<Void, Integer, Boolean> {
 
     @Override
     protected Boolean doInBackground(Void... params) {
-        ContentProviderUtils contentProviderUtils = ContentProviderUtils.Factory.get(context);
+        ContentProviderUtils contentProviderUtils = new ContentProviderUtils(context);
 
         if (trackIds.length == 1 && trackIds[0] == -1L) {
             contentProviderUtils.deleteAllTracks(context);

src/main/java/de/dennisguse/opentracks/MarkerDetailActivity.java

@@ -61,7 +61,7 @@ public class MarkerDetailActivity extends AbstractActivity implements DeleteMark
             return;
         }
 
-        ContentProviderUtils contentProviderUtils = ContentProviderUtils.Factory.get(this);
+        ContentProviderUtils contentProviderUtils = new ContentProviderUtils(this);
         Waypoint waypoint = contentProviderUtils.getWaypoint(markerId);
 
         markerIds = new ArrayList<>();

src/main/java/de/dennisguse/opentracks/MarkerEditActivity.java

@@ -127,7 +127,7 @@ public class MarkerEditActivity extends AbstractActivity {
         if (newMarker) {
             statisticsSection.setVisibility(View.GONE);
             waypointSection.setVisibility(View.VISIBLE);
-            int nextWaypointNumber = trackId == -1L ? -1 : ContentProviderUtils.Factory.get(this).getNextWaypointNumber(trackId, WaypointType.WAYPOINT);
+            int nextWaypointNumber = trackId == -1L ? -1 : new ContentProviderUtils(this).getNextWaypointNumber(trackId, WaypointType.WAYPOINT);
             if (nextWaypointNumber == -1) {
                 nextWaypointNumber = 0;
             }
@@ -136,7 +136,7 @@ public class MarkerEditActivity extends AbstractActivity {
             waypointMarkerType.setText("");
             waypointDescription.setText("");
         } else {
-            waypoint = ContentProviderUtils.Factory.get(this).getWaypoint(markerId);
+            waypoint = new ContentProviderUtils(this).getWaypoint(markerId);
             if (waypoint == null) {
                 Log.d(TAG, "waypoint is null");
                 finish();
@@ -182,6 +182,6 @@ public class MarkerEditActivity extends AbstractActivity {
             waypoint.setCategory(waypointMarkerType.getText().toString());
             waypoint.setDescription(waypointDescription.getText().toString());
         }
-        ContentProviderUtils.Factory.get(this).updateWaypoint(waypoint);
+        new ContentProviderUtils(this).updateWaypoint(waypoint);
     }
 }

src/main/java/de/dennisguse/opentracks/MarkerListActivity.java

@@ -130,7 +130,7 @@ public class MarkerListActivity extends AbstractActivity implements DeleteMarker
 
         recordingTrackPaused = PreferencesUtils.isRecordingTrackPausedDefault(this);
 
-        contentProviderUtils = ContentProviderUtils.Factory.get(this);
+        contentProviderUtils = new ContentProviderUtils(this);
         sharedPreferences = PreferencesUtils.getSharedPreferences(this);
 
         long trackId = getIntent().getLongExtra(EXTRA_TRACK_ID, -1L);

src/main/java/de/dennisguse/opentracks/SearchListActivity.java

@@ -170,7 +170,7 @@ public class SearchListActivity extends AbstractListActivity implements DeleteMa
 
         recordingTrackPaused = PreferencesUtils.isRecordingTrackPausedDefault(this);
 
-        contentProviderUtils = ContentProviderUtils.Factory.get(this);
+        contentProviderUtils = new ContentProviderUtils(this);
         sharedPreferences = PreferencesUtils.getSharedPreferences(this);
         trackRecordingServiceConnection = new TrackRecordingServiceConnection(this, null);
         searchEngine = new SearchEngine(contentProviderUtils);

src/main/java/de/dennisguse/opentracks/TrackDetailActivity.java

@@ -189,7 +189,7 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
         photoUri = savedInstanceState != null ? (Uri) savedInstanceState.getParcelable(PHOTO_URI_KEY) : null;
         hasPhoto = savedInstanceState != null && savedInstanceState.getBoolean(HAS_PHOTO_KEY, false);
 
-        contentProviderUtils = ContentProviderUtils.Factory.get(this);
+        contentProviderUtils = new ContentProviderUtils(this);
         handleIntent(getIntent());
 
         sharedPreferences = PreferencesUtils.getSharedPreferences(this);

src/main/java/de/dennisguse/opentracks/TrackEditActivity.java

@@ -73,7 +73,7 @@ public class TrackEditActivity extends AbstractActivity implements ChooseActivit
             return;
         }
 
-        contentProviderUtils = ContentProviderUtils.Factory.get(this);
+        contentProviderUtils = new ContentProviderUtils(this);
         track = contentProviderUtils.getTrack(trackId);
         if (track == null) {
             Log.e(TAG, "No track for " + trackId);

src/main/java/de/dennisguse/opentracks/TrackListActivity.java

@@ -245,7 +245,7 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
 
         recordingTrackPaused = PreferencesUtils.isRecordingTrackPausedDefault(this);
 
-        contentProviderUtils = ContentProviderUtils.Factory.get(this);
+        contentProviderUtils = new ContentProviderUtils(this);
         sharedPreferences = PreferencesUtils.getSharedPreferences(this);
 
         trackRecordingServiceConnection = new TrackRecordingServiceConnection(this, bindChangedCallback);

src/main/java/de/dennisguse/opentracks/chart/ChartValueSeries.java

@@ -14,7 +14,7 @@
  * the License.
  */
 
-package de.dennisguse.opentracks;
+package de.dennisguse.opentracks.chart;
 
 import android.content.Context;
 import android.graphics.Canvas;

src/main/java/de/dennisguse/opentracks/chart/ChartView.java

@@ -14,7 +14,7 @@
  * the License.
  */
 
-package de.dennisguse.opentracks;
+package de.dennisguse.opentracks.chart;
 
 import android.content.Context;
 import android.content.Intent;
@@ -27,15 +27,19 @@ import android.graphics.Paint.Style;
 import android.graphics.Path;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
+import android.view.GestureDetector;
 import android.view.MotionEvent;
-import android.view.VelocityTracker;
+import android.view.ScaleGestureDetector;
 import android.view.View;
-import android.view.ViewConfiguration;
 import android.widget.Scroller;
 
+import androidx.core.view.GestureDetectorCompat;
+
 import java.text.NumberFormat;
 import java.util.ArrayList;
 
+import de.dennisguse.opentracks.MarkerDetailActivity;
+import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.content.Waypoint;
 import de.dennisguse.opentracks.stats.ExtremityMonitor;
 import de.dennisguse.opentracks.util.IntentUtils;
@@ -44,6 +48,7 @@ import de.dennisguse.opentracks.util.UnitConversions;
 
 /**
  * Visualization of the chart.
+ * Provides support for zooming (via pinch), scrolling, flinging, and selecting shown markers (single touch).
  *
  * @author Sandor Dornbush
  * @author Leif Hendrik Wilden
@@ -91,8 +96,6 @@ public class ChartView extends View {
     private final int markerHeight;
     private final Scroller scroller;
     private double maxX = 1.0;
-    private VelocityTracker velocityTracker = null;
-    private float lastMotionEventX = -1;
     private int zoomLevel = 1;
 
     private int leftBorder = BORDER;
@@ -112,11 +115,76 @@ public class ChartView extends View {
     private boolean reportSpeed = true;
     private boolean showPointer = false;
 
-    /**
+    private GestureDetectorCompat detectorScrollFlingTab = new GestureDetectorCompat(getContext(), new GestureDetector.SimpleOnGestureListener() {
-     * Constructor.
+
-     *
+        @Override
-     * @param context the context
+        public boolean onDown(MotionEvent e) {
-     */
+            if (!scroller.isFinished()) {
+                scroller.abortAnimation();
+            }
+            return true;
+        }
+
+        @Override
+        public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
+            if (Math.abs(distanceX) > 0) {
+                int availableToScroll = effectiveWidth * (zoomLevel - 1) - getScrollX();
+                if (availableToScroll > 0) {
+                    scrollBy(Math.min(availableToScroll, (int) distanceX));
+                }
+            }
+            return true;
+        }
+
+        @Override
+        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
+            fling((int) -velocityX);
+            return true;
+        }
+
+        @Override
+        public boolean onSingleTapConfirmed(MotionEvent event) {
+            // Check if the y event is within markerHeight of the marker center
+            if (Math.abs(event.getY() - topBorder - spacer - markerHeight / 2) < markerHeight) {
+                int minDistance = Integer.MAX_VALUE;
+                Waypoint nearestWaypoint = null;
+                synchronized (waypoints) {
+                    for (Waypoint waypoint : waypoints) {
+                        int distance = Math.abs(getX(getWaypointXValue(waypoint)) - (int) event.getX() - getScrollX());
+                        if (distance < minDistance) {
+                            minDistance = distance;
+                            nearestWaypoint = waypoint;
+                        }
+                    }
+                }
+                if (nearestWaypoint != null && minDistance < markerWidth) {
+                    Intent intent = IntentUtils.newIntent(getContext(), MarkerDetailActivity.class)
+                            .putExtra(MarkerDetailActivity.EXTRA_MARKER_ID, nearestWaypoint.getId());
+                    getContext().startActivity(intent);
+                    return true;
+                }
+            }
+
+            return false;
+        }
+    });
+
+    private ScaleGestureDetector detectorZoom = new ScaleGestureDetector(getContext(), new ScaleGestureDetector.SimpleOnScaleGestureListener() {
+
+        @Override
+        public boolean onScale(ScaleGestureDetector detector) {
+            float scaleFactor = detector.getScaleFactor();
+            if (scaleFactor >= 1.1f) {
+                zoomIn();
+                return true;
+            } else if (scaleFactor <= 0.9) {
+                zoomOut();
+                return true;
+            }
+            return false;
+        }
+    });
+
     public ChartView(Context context, boolean chartByDistance) {
         super(context);
         this.chartByDistance = chartByDistance;
@@ -223,16 +291,6 @@ public class ChartView extends View {
         series[index].setEnabled(enabled);
     }
 
-    /**
-     * Sets chart by distance.
-     * It is expected that after changing this value, data will be reloaded.
-     *
-     * @param value true for by distance, false for by time
-     */
-    public void setChartByDistance(boolean value) {
-        chartByDistance = value;
-    }
-
     /**
      * Sets metric units.
      *
@@ -411,79 +469,14 @@ public class ChartView extends View {
 
     @Override
     public boolean onTouchEvent(MotionEvent event) {
-        if (velocityTracker == null) {
+        boolean isZoom = detectorZoom.onTouchEvent(event);
-            velocityTracker = VelocityTracker.obtain();
+        boolean isScrollTab = detectorScrollFlingTab.onTouchEvent(event);
-        }
+        return isZoom || isScrollTab;
-        velocityTracker.addMovement(event);
-        float x = event.getX();
-        switch (event.getAction()) {
-            case MotionEvent.ACTION_DOWN:
-                // Stop the fling
-                if (!scroller.isFinished()) {
-                    scroller.abortAnimation();
-                }
-                lastMotionEventX = x;
-                break;
-            case MotionEvent.ACTION_MOVE:
-                if (lastMotionEventX == -1) {
-                    break;
-                }
-                // Scroll to follow the motion event
-                int deltaX = (int) (lastMotionEventX - x);
-                lastMotionEventX = x;
-                if (deltaX < 0) {
-                    if (getScrollX() > 0) {
-                        scrollBy(deltaX);
-                    }
-                } else if (deltaX > 0) {
-                    int availableToScroll = effectiveWidth * (zoomLevel - 1) - getScrollX();
-                    if (availableToScroll > 0) {
-                        scrollBy(Math.min(availableToScroll, deltaX));
-                    }
-                }
-                break;
-            case MotionEvent.ACTION_UP:
-                // Check if the y event is within markerHeight of the marker center
-                if (Math.abs(event.getY() - topBorder - spacer - markerHeight / 2) < markerHeight) {
-                    int minDistance = Integer.MAX_VALUE;
-                    Waypoint nearestWaypoint = null;
-                    synchronized (waypoints) {
-                        for (int i = 0; i < waypoints.size(); i++) {
-                            Waypoint waypoint = waypoints.get(i);
-                            int distance = Math.abs(getX(getWaypointXValue(waypoint)) - (int) event.getX() - getScrollX());
-                            if (distance < minDistance) {
-                                minDistance = distance;
-                                nearestWaypoint = waypoint;
-                            }
-                        }
-                    }
-                    if (nearestWaypoint != null && minDistance < markerWidth) {
-                        Intent intent = IntentUtils.newIntent(getContext(), MarkerDetailActivity.class)
-                                .putExtra(MarkerDetailActivity.EXTRA_MARKER_ID, nearestWaypoint.getId());
-                        getContext().startActivity(intent);
-                        return true;
-                    }
-                }
-
-                VelocityTracker myVelocityTracker = velocityTracker;
-                myVelocityTracker.computeCurrentVelocity(1000);
-                int initialVelocity = (int) myVelocityTracker.getXVelocity();
-                if (Math.abs(initialVelocity) > ViewConfiguration.getMinimumFlingVelocity()) {
-                    fling(-initialVelocity);
-                }
-                if (velocityTracker != null) {
-                    velocityTracker.recycle();
-                    velocityTracker = null;
-                }
-                break;
-        }
-        return true;
     }
 
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-        updateEffectiveDimensionsIfChanged(
+        updateEffectiveDimensionsIfChanged(View.MeasureSpec.getSize(widthMeasureSpec), View.MeasureSpec.getSize(heightMeasureSpec));
-                View.MeasureSpec.getSize(widthMeasureSpec), View.MeasureSpec.getSize(heightMeasureSpec));
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
     }
 
@@ -633,8 +626,7 @@ public class ChartView extends View {
     private String getXAxisLabel() {
         Context context = getContext();
         if (chartByDistance) {
-            return metricUnits ? context.getString(R.string.unit_kilometer)
+            return metricUnits ? context.getString(R.string.unit_kilometer) : context.getString(R.string.unit_mile);
-                    : context.getString(R.string.unit_mile);
         } else {
             return context.getString(R.string.description_time);
         }
@@ -734,8 +726,7 @@ public class ChartView extends View {
      * @param yValue           the y value
      * @return the marker width.
      */
-    private float drawYAxisMarker(
+    private float drawYAxisMarker(ChartValueSeries chartValueSeries, Canvas canvas, int xPosition, int yValue) {
-            ChartValueSeries chartValueSeries, Canvas canvas, int xPosition, int yValue) {
         String marker = chartValueSeries.formatMarker(yValue);
         Paint paint = chartValueSeries.getMarkerPaint();
         Rect rect = getRect(paint, marker);
@@ -870,8 +861,7 @@ public class ChartView extends View {
         topBorder = (int) (density * BORDER + titleDimensions[0] * (titleDimensions[1] + spacer));
         Rect xAxisLabelRect = getRect(axisPaint, getXAxisLabel());
         // border + x axis marker + spacer + .5 x axis label
-        bottomBorder = (int) (density * BORDER + getRect(xAxisMarkerPaint, "1").height() + spacer
+        bottomBorder = (int) (density * BORDER + getRect(xAxisMarkerPaint, "1").height() + spacer + (xAxisLabelRect.height() / 2));
-                + (xAxisLabelRect.height() / 2));
         rightBorder = (int) (density * BORDER + xAxisLabelRect.width() + spacer);
         updateEffectiveDimensions();
     }

src/main/java/de/dennisguse/opentracks/content/LocationFactory.java

@@ -0,0 +1,20 @@
+package de.dennisguse.opentracks.content;
+
+import android.location.Location;
+import android.location.LocationManager;
+
+/**
+ * Creates a new {@link SensorDataSetLocation}.
+ * An implementation can create new instances or reuse existing instances for optimization.
+ */
+public class LocationFactory {
+
+    /**
+     * The default {@link LocationFactory} which creates a location each time.
+     */
+    public static LocationFactory DEFAULT_LOCATION_FACTORY = new LocationFactory();
+
+    public Location createLocation() {
+        return new SensorDataSetLocation(LocationManager.GPS_PROVIDER);
+    }
+}

src/main/java/de/dennisguse/opentracks/content/LocationIterator.java

@@ -0,0 +1,22 @@
+package de.dennisguse.opentracks.content;
+
+import android.database.Cursor;
+import android.location.Location;
+
+import java.util.Iterator;
+
+/**
+ * A lightweight wrapper around the original {@link Cursor} with a method to clean up.
+ */
+public interface LocationIterator extends Iterator<Location>, AutoCloseable {
+
+    /**
+     * Gets the most recently retrieved track point id by {@link #next()}.
+     */
+    long getLocationId();
+
+    /**
+     * Closes the iterator.
+     */
+    void close();
+}

src/main/java/de/dennisguse/opentracks/content/ShareContentProvider.java

@@ -198,7 +198,7 @@ public class ShareContentProvider extends CustomContentProvider implements ICont
     @Nullable
     @Override
     public ParcelFileDescriptor openFile(@NonNull Uri uri, @NonNull String mode) throws FileNotFoundException {
-        ContentProviderUtils contentProviderUtils = new ContentProviderUtilsImpl(this);
+        ContentProviderUtils contentProviderUtils = new ContentProviderUtils(this);
 
         long[] trackIds = parseURI(uri);
         final Track[] tracks = new Track[trackIds.length];

src/main/java/de/dennisguse/opentracks/content/TrackDataHub.java

@@ -30,7 +30,6 @@ import java.util.EnumSet;
 import java.util.Set;
 
 import de.dennisguse.opentracks.R;
-import de.dennisguse.opentracks.content.ContentProviderUtils.LocationIterator;
 import de.dennisguse.opentracks.util.LocationUtils;
 import de.dennisguse.opentracks.util.PreferencesUtils;
 
@@ -45,7 +44,7 @@ public class TrackDataHub implements DataSourceListener {
      * Target number of track points displayed by the map overlay.
      * We may display more than this number of points.
      */
-    static final int TARGET_DISPLAYED_TRACK_POINTS = 5000;
+    private static final int TARGET_DISPLAYED_TRACK_POINTS = 5000;
 
     /**
      * Maximum number of waypoints to displayed.
@@ -97,8 +96,7 @@ public class TrackDataHub implements DataSourceListener {
     }
 
     public synchronized static TrackDataHub newInstance(Context context) {
-        return new TrackDataHub(context, new TrackDataManager(), ContentProviderUtils.Factory.get(
+        return new TrackDataHub(context, new TrackDataManager(), new ContentProviderUtils(context), TARGET_DISPLAYED_TRACK_POINTS);
-                context), TARGET_DISPLAYED_TRACK_POINTS);
     }
 
     public void start() {
@@ -448,7 +446,7 @@ public class TrackDataHub implements DataSourceListener {
         int samplingFrequency = -1;
         boolean includeNextPoint = false;
 
-        try (LocationIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(selectedTrackId, localLastSeenLocationId + 1, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY)) {
+        try (LocationIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(selectedTrackId, localLastSeenLocationId + 1, false, LocationFactory.DEFAULT_LOCATION_FACTORY)) {
 
             while (locationIterator.hasNext()) {
                 Location location = locationIterator.next();

src/main/java/de/dennisguse/opentracks/fragments/ChartFragment.java

@@ -22,7 +22,6 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewGroup.LayoutParams;
-import android.widget.ZoomControls;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
@@ -33,9 +32,9 @@ import androidx.fragment.app.FragmentActivity;
 import java.util.ArrayList;
 import java.util.EnumSet;
 
-import de.dennisguse.opentracks.ChartView;
 import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.TrackDetailActivity;
+import de.dennisguse.opentracks.chart.ChartView;
 import de.dennisguse.opentracks.content.SensorDataSetLocation;
 import de.dennisguse.opentracks.content.Track;
 import de.dennisguse.opentracks.content.TrackDataHub;
@@ -77,10 +76,9 @@ public abstract class ChartFragment extends Fragment implements TrackDataListene
 
     // UI elements
     private ChartView chartView;
-    private ZoomControls zoomControls;
 
     /**
-     * A runnable that will enable/disable zoom controls and orange pointer as appropriate and redraw.
+     * A runnable that will set the orange pointer as appropriate and redraw.
      */
     private final Runnable updateChart = new Runnable() {
         @Override
@@ -89,8 +87,6 @@ public abstract class ChartFragment extends Fragment implements TrackDataListene
                 return;
             }
 
-            zoomControls.setIsZoomInEnabled(chartView.canZoomIn());
-            zoomControls.setIsZoomOutEnabled(chartView.canZoomOut());
             chartView.setShowPointer(isSelectedTrackRecording());
             chartView.invalidate();
         }
@@ -112,21 +108,7 @@ public abstract class ChartFragment extends Fragment implements TrackDataListene
 
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        View view = inflater.inflate(R.layout.chart, container, false);
+        return inflater.inflate(R.layout.chart, container, false);
-        zoomControls = view.findViewById(R.id.chart_zoom_controls);
-        zoomControls.setOnZoomInClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                zoomIn();
-            }
-        });
-        zoomControls.setOnZoomOutClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                zoomOut();
-            }
-        });
-        return view;
     }
 
     @Override
@@ -401,18 +383,6 @@ public abstract class ChartFragment extends Fragment implements TrackDataListene
         }
     }
 
-    private void zoomIn() {
-        chartView.zoomIn();
-        zoomControls.setIsZoomInEnabled(chartView.canZoomIn());
-        zoomControls.setIsZoomOutEnabled(chartView.canZoomOut());
-    }
-
-    private void zoomOut() {
-        chartView.zoomOut();
-        zoomControls.setIsZoomInEnabled(chartView.canZoomIn());
-        zoomControls.setIsZoomOutEnabled(chartView.canZoomOut());
-    }
-
     /**
      * Runs a runnable on the UI thread if possible.
      *

src/main/java/de/dennisguse/opentracks/fragments/DeleteMarkerDialogFragment.java

@@ -81,7 +81,7 @@ public class DeleteMarkerDialogFragment extends DialogFragment {
                         new Thread(new Runnable() {
                             @Override
                             public void run() {
-                                ContentProviderUtils contentProviderUtils = ContentProviderUtils.Factory.get(fragmentActivity);
+                                ContentProviderUtils contentProviderUtils = new ContentProviderUtils(fragmentActivity);
                                 for (long markerId : markerIds) {
                                     contentProviderUtils.deleteWaypoint(fragmentActivity,
                                             markerId, new DescriptionGeneratorImpl(fragmentActivity));

src/main/java/de/dennisguse/opentracks/fragments/MarkerDetailFragment.java

@@ -110,7 +110,7 @@ public class MarkerDetailFragment extends Fragment {
             getFragmentManager().popBackStack();
             return;
         }
-        contentProviderUtils = ContentProviderUtils.Factory.get(getActivity());
+        contentProviderUtils = new ContentProviderUtils(getActivity());
         handler = new Handler();
         setHasOptionsMenu(true);
     }

src/main/java/de/dennisguse/opentracks/io/file/TrackFileFormat.java

@@ -173,10 +173,12 @@ public enum TrackFileFormat {
 
     private static final String MIME_KML = "application/vnd.google-earth.kml+xml";
 
-    public TrackExporter newTrackExporter(Context context, Track[] tracks, TrackExporterListener trackExporterListener) {
+    private static TrackExporter newKmzTrackExporter(Context context, TrackWriter trackWriter, Track[] tracks, TrackExporterListener trackExporterListener, boolean exportPhotos) {
-        ContentProviderUtils contentProviderUtils = ContentProviderUtils.Factory.get(context);
+        ContentProviderUtils contentProviderUtils = new ContentProviderUtils(context);
-        TrackWriter trackWriter = this.newTrackWriter(context, tracks.length > 1);
+
-        return new FileTrackExporter(contentProviderUtils, trackWriter, tracks, trackExporterListener);
+        FileTrackExporter fileTrackExporter = new FileTrackExporter(contentProviderUtils, trackWriter, tracks, trackExporterListener);
+
+        return new KmzTrackExporter(contentProviderUtils, fileTrackExporter, tracks, exportPhotos);
     }
 
     /**
@@ -184,12 +186,10 @@ public enum TrackFileFormat {
      */
     public abstract String getMimeType();
 
-    private static TrackExporter newKmzTrackExporter(Context context, TrackWriter trackWriter, Track[] tracks, TrackExporterListener trackExporterListener, boolean exportPhotos) {
+    public TrackExporter newTrackExporter(Context context, Track[] tracks, TrackExporterListener trackExporterListener) {
-        ContentProviderUtils contentProviderUtils = ContentProviderUtils.Factory.get(context);
+        ContentProviderUtils contentProviderUtils = new ContentProviderUtils(context);
-
+        TrackWriter trackWriter = this.newTrackWriter(context, tracks.length > 1);
-        FileTrackExporter fileTrackExporter = new FileTrackExporter(contentProviderUtils, trackWriter, tracks, trackExporterListener);
+        return new FileTrackExporter(contentProviderUtils, trackWriter, tracks, trackExporterListener);
-
-        return new KmzTrackExporter(contentProviderUtils, fileTrackExporter, tracks, exportPhotos);
     }
 
     /**

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

@@ -68,7 +68,7 @@ public class ExportAsyncTask extends AsyncTask<Void, Integer, Boolean> {
         this.trackFileFormat = trackFileFormat;
         this.directory = directory;
         context = exportActivity.getApplicationContext();
-        contentProviderUtils = ContentProviderUtils.Factory.get(context);
+        contentProviderUtils = new ContentProviderUtils(context);
 
         completed = false;
         processedTrackCount = 0;

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

@@ -26,7 +26,8 @@ import androidx.annotation.NonNull;
 import java.io.OutputStream;
 
 import de.dennisguse.opentracks.content.ContentProviderUtils;
-import de.dennisguse.opentracks.content.ContentProviderUtils.LocationIterator;
+import de.dennisguse.opentracks.content.LocationFactory;
+import de.dennisguse.opentracks.content.LocationIterator;
 import de.dennisguse.opentracks.content.SensorDataSetLocation;
 import de.dennisguse.opentracks.content.Track;
 import de.dennisguse.opentracks.content.Waypoint;
@@ -63,7 +64,7 @@ public class FileTrackExporter implements TrackExporter {
     }
 
     @Override
-    public boolean writeTrack(Context context, @NonNull OutputStream outputStream) {
+    public boolean writeTrack(@NonNull Context context, @NonNull OutputStream outputStream) {
         try {
             trackWriter.prepare(outputStream);
             trackWriter.writeHeader(tracks);
@@ -209,7 +210,7 @@ public class FileTrackExporter implements TrackExporter {
      *
      * @author Jimmy Shih
      */
-    private class TrackWriterLocationFactory implements ContentProviderUtils.LocationFactory {
+    private class TrackWriterLocationFactory extends LocationFactory {
         Location currentLocation;
         Location lastLocation;
 

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

@@ -89,7 +89,7 @@ public class KmlTrackWriter implements TrackWriter {
         this.exportSensorData = exportSensorData;
         this.exportPhotos = exportPhotos;
         this.descriptionGenerator = new DescriptionGeneratorImpl(context);
-        this.contentProviderUtils = ContentProviderUtils.Factory.get(context);
+        this.contentProviderUtils = new ContentProviderUtils(context);
     }
 
     @Override

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

@@ -19,7 +19,6 @@ package de.dennisguse.opentracks.io.file.exporter;
 import android.content.Context;
 
 import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
 
 import java.io.OutputStream;
 
@@ -37,5 +36,5 @@ public interface TrackExporter {
      * @param context the context
      * @param outputStream the output stream
      */
-    boolean writeTrack(@Nullable Context context, @NonNull OutputStream outputStream);
+    boolean writeTrack(@NonNull Context context, @NonNull OutputStream outputStream);
 }

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

@@ -39,8 +39,9 @@ import javax.xml.parsers.SAXParserFactory;
 
 import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.content.ContentProviderUtils;
-import de.dennisguse.opentracks.content.ContentProviderUtils.LocationIterator;
 import de.dennisguse.opentracks.content.DescriptionGeneratorImpl;
+import de.dennisguse.opentracks.content.LocationFactory;
+import de.dennisguse.opentracks.content.LocationIterator;
 import de.dennisguse.opentracks.content.Track;
 import de.dennisguse.opentracks.content.Waypoint;
 import de.dennisguse.opentracks.content.Waypoint.WaypointType;
@@ -165,7 +166,7 @@ abstract class AbstractFileTrackImporter extends DefaultHandler implements Track
         TripStatisticsUpdater trackTripStatisticstrackUpdater = new TripStatisticsUpdater(track.getTripStatistics().getStartTime());
         TripStatisticsUpdater markerTripStatisticsUpdater = new TripStatisticsUpdater(track.getTripStatistics().getStartTime());
 
-        try (LocationIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(track.getId(), -1L, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY)) {
+        try (LocationIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(track.getId(), -1L, false, LocationFactory.DEFAULT_LOCATION_FACTORY)) {
 
             while (true) {
                 if (waypoint == null) {

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

@@ -55,7 +55,7 @@ public class GpxFileTrackImporter extends AbstractFileTrackImporter {
      * @param context the context
      */
     public GpxFileTrackImporter(Context context) {
-        this(context, ContentProviderUtils.Factory.get(context));
+        this(context, new ContentProviderUtils(context));
     }
 
     @VisibleForTesting

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

@@ -45,7 +45,9 @@ public class ImportAsyncTask extends AsyncTask<Void, Integer, Boolean> {
     private static final String TAG = ImportAsyncTask.class.getSimpleName();
     private final TrackFileFormat trackFileFormat;
     private final String path;
-    private final Context context;
+    // TODO Can be removed, or?
+    private Context context;
+    // TODO Use weak reference
     private ImportActivity importActivity;
     private WakeLock wakeLock;
 
@@ -100,7 +102,7 @@ public class ImportAsyncTask extends AsyncTask<Void, Integer, Boolean> {
     @Override
     protected Boolean doInBackground(Void... params) {
         try {
-            Thread.currentThread().setPriority(Thread.MAX_PRIORITY);
+            Thread.currentThread().setPriority(Thread.MAX_PRIORITY); // TODO Should be set to previous level at the end of this method.
             // Get the wake lock if not recording or paused
             boolean isRecording = PreferencesUtils.isRecording(importActivity);
             boolean isPaused = PreferencesUtils.isRecordingTrackPaused(importActivity);
@@ -149,9 +151,11 @@ public class ImportAsyncTask extends AsyncTask<Void, Integer, Boolean> {
 
     @Override
     protected void onCancelled() {
+        context = null;
         completed = true;
         if (importActivity != null) {
             importActivity.onAsyncTaskCompleted(importTrackCount, totalTrackCount);
+            importActivity = null;
         }
     }
 
@@ -163,17 +167,17 @@ public class ImportAsyncTask extends AsyncTask<Void, Integer, Boolean> {
     private boolean importFile(final File file) {
         TrackImporter trackImporter;
         if (trackFileFormat == TrackFileFormat.GPX) {
-            trackImporter = new GpxFileTrackImporter(context);
+            trackImporter = new GpxFileTrackImporter(importActivity);
         } else { //KML or KMZ
             String extension = FileUtils.getExtension(file.getName());
             if (TrackFileFormat.KML_ONLY_TRACK.getExtension().equals(extension)) {
-                trackImporter = new KmlFileTrackImporter(context, -1L);
+                trackImporter = new KmlFileTrackImporter(importActivity, -1L);
             } else {
-                ContentProviderUtils contentProviderUtils = ContentProviderUtils.Factory.get(context);
+                ContentProviderUtils contentProviderUtils = new ContentProviderUtils(importActivity);
                 Uri uri = contentProviderUtils.insertTrack(new Track());
                 long newId = Long.parseLong(uri.getLastPathSegment());
 
-                trackImporter = new KmzTrackImporter(context, newId);
+                trackImporter = new KmzTrackImporter(importActivity, newId);
             }
         }
 

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

@@ -81,7 +81,7 @@ public class KmlFileTrackImporter extends AbstractFileTrackImporter {
      * @param importTrackId track id to import to. -1L to import to a new track.
      */
     public KmlFileTrackImporter(Context context, long importTrackId) {
-        this(context, importTrackId, ContentProviderUtils.Factory.get(context));
+        this(context, importTrackId, new ContentProviderUtils(context));
     }
 
     @VisibleForTesting

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

@@ -72,7 +72,7 @@ public class KmzTrackImporter implements TrackImporter {
                     return -1L;
                 }
                 String fileName = zipEntry.getName();
-                if (fileName.equals(KmzTrackExporter.KMZ_KML_FILE)) {
+                if (KmzTrackExporter.KMZ_KML_FILE.equals(fileName)) {
                     trackId = parseKml(zipInputStream);
                     if (trackId == -1L) {
                         Log.d(TAG, "Unable to parse kml in kmz");
@@ -102,7 +102,7 @@ public class KmzTrackImporter implements TrackImporter {
      */
     private void cleanImport(long trackId) {
         if (PreferencesUtils.isRecording(trackId)) {
-            ContentProviderUtils contentProviderUtils = ContentProviderUtils.Factory.get(context);
+            ContentProviderUtils contentProviderUtils = new ContentProviderUtils(context);
             contentProviderUtils.deleteTrack(context, trackId);
         }
 
@@ -125,15 +125,10 @@ public class KmzTrackImporter implements TrackImporter {
      * @return the imported track id or -1L
      */
     private long parseKml(ZipInputStream zipInputStream) throws IOException {
-        ByteArrayInputStream byteArrayInputStream = null;
+        KmlFileTrackImporter kmlFileTrackImporter = new KmlFileTrackImporter(context, importTrackId);
-        try {
+
-            KmlFileTrackImporter kmlFileTrackImporter = new KmlFileTrackImporter(context, importTrackId);
+        try (ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(getKml(zipInputStream))) {
-            byteArrayInputStream = new ByteArrayInputStream(getKml(zipInputStream));
             return kmlFileTrackImporter.importFile(byteArrayInputStream);
-        } finally {
-            if (byteArrayInputStream != null) {
-                byteArrayInputStream.close();
-            }
         }
     }
 
@@ -160,12 +155,10 @@ public class KmzTrackImporter implements TrackImporter {
      * @param fileName       the file name
      */
     private void readImageFile(ZipInputStream zipInputStream, String fileName) throws IOException {
-        if (importTrackId == -1L) {
+        if (importTrackId == -1L || fileName.equals("")) {
-            return;
-        }
-        if (fileName.equals("")) {
             return;
         }
+
         File dir = FileUtils.getPhotoDir(importTrackId);
         FileUtils.ensureDirectoryExists(dir);
         File file = new File(dir, fileName);

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

@@ -43,9 +43,10 @@ import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.TrackDetailActivity;
 import de.dennisguse.opentracks.TrackListActivity;
 import de.dennisguse.opentracks.content.ContentProviderUtils;
-import de.dennisguse.opentracks.content.ContentProviderUtils.LocationIterator;
 import de.dennisguse.opentracks.content.CustomContentProvider;
 import de.dennisguse.opentracks.content.DescriptionGeneratorImpl;
+import de.dennisguse.opentracks.content.LocationFactory;
+import de.dennisguse.opentracks.content.LocationIterator;
 import de.dennisguse.opentracks.content.SensorDataSetLocation;
 import de.dennisguse.opentracks.content.Track;
 import de.dennisguse.opentracks.content.Waypoint;
@@ -214,7 +215,7 @@ public class TrackRecordingService extends Service {
     public void onCreate() {
         super.onCreate();
         executorService = Executors.newSingleThreadExecutor();
-        contentProviderUtils = ContentProviderUtils.Factory.get(this);
+        contentProviderUtils = new ContentProviderUtils(this);
         handler = new Handler();
         locationManagerConnector = new LocationManagerConnector(this, handler.getLooper());
         voiceExecutor = new PeriodicTaskExecutor(this, new AnnouncementPeriodicTaskFactory());
@@ -506,7 +507,7 @@ public class TrackRecordingService extends Service {
         }
         markerTripStatisticsUpdater = new TripStatisticsUpdater(markerStartTime);
 
-        try (LocationIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(track.getId(), -1L, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY)) {
+        try (LocationIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(track.getId(), -1L, false, LocationFactory.DEFAULT_LOCATION_FACTORY)) {
 
             while (locationIterator.hasNext()) {
                 Location location = locationIterator.next();

src/main/java/de/dennisguse/opentracks/settings/BluetoothLePreference.java

@@ -147,7 +147,7 @@ public class BluetoothLePreference extends DialogPreference {
 
             BluetoothLePreference preference = (BluetoothLePreference) getPreference();
             String deviceSelected = preference.getValue();
-            if (!deviceNone.equals(deviceSelected)) {
+            if (deviceSelected != null && !deviceNone.equals(deviceSelected)) {
                 listAdapter.add(preference.getValue(), preference.getValue());
                 selectedEntryIndex = 1;
             }

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

@@ -204,12 +204,13 @@ public class FileUtils {
      *
      * @param name name
      */
+    // TODO Check if this function is still needed.
     public static String sanitizeFileName(String name) {
         StringBuilder builder = new StringBuilder(name.length());
         for (int i = 0; i < name.length(); i++) {
             int codePoint = name.codePointAt(i);
             char character = name.charAt(i);
-            if (Character.isLetterOrDigit(character) || codePoint > 127 || isSpecialFat32(character)) {
+            if (Character.isLetterOrDigit(character) || codePoint > 127 || isSpecialFat32(character) || character == '.') {
                 builder.appendCodePoint(codePoint);
             } else {
                 builder.append("_");

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

@@ -76,7 +76,7 @@ public class IntentUtils {
         }
         String trackDescription = "";
         if (trackIds.length == 1) {
-            Track track = ContentProviderUtils.Factory.get(context).getTrack(trackIds[0]);
+            Track track = new ContentProviderUtils(context).getTrack(trackIds[0]);
             trackDescription = track == null ? "" : new DescriptionGeneratorImpl(context).generateTrackDescription(track, false);
         }
 
@@ -89,13 +89,13 @@ public class IntentUtils {
             uris.add(uriAndMime.first);
             mime = uriAndMime.second;
         }
-
         return new Intent(action)
-                .putExtra(Intent.EXTRA_SUBJECT, context.getString(R.string.share_track_subject))
-                .putExtra(Intent.EXTRA_TEXT, context.getString(R.string.share_track_share_file_body, trackDescription))
-                .putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris)
                 .setType(mime)
-                .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+                .setAction(Intent.ACTION_SEND_MULTIPLE)
+                .putParcelableArrayListExtra(Intent.EXTRA_STREAM, uris)
+                .addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
+                .putExtra(Intent.EXTRA_SUBJECT, context.getString(R.string.share_track_subject))
+                .putExtra(Intent.EXTRA_TEXT, context.getString(R.string.share_track_share_file_body, trackDescription));
     }
 
     public static void showCoordinateOnMap(Context context, Waypoint waypoint) {

src/main/res/layout/chart.xml

@@ -14,22 +14,8 @@ See the License for the specific language governing permissions and
 limitations under the License.
 -->
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/chart_view_layout"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
+    android:layout_height="0dp"
-    android:orientation="vertical">
+    android:layout_weight="1"
-
+    android:orientation="vertical" />
-    <LinearLayout
-        android:id="@+id/chart_view_layout"
-        android:layout_width="match_parent"
-        android:layout_height="0dp"
-        android:layout_weight="1"
-        android:orientation="vertical" />
-
-    <ZoomControls
-        android:id="@+id/chart_zoom_controls"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:background="@android:color/white"
-        android:gravity="right"
-        android:paddingRight="8dp" />
-</LinearLayout>

src/main/res/layout/marker_detail_activity.xml

@@ -15,7 +15,8 @@ limitations under the License.
 -->
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:orientation="vertical">
 
     <include layout="@layout/toolbar" />