Release: v4.0.8

Improvement for Android 12+.
Fixes #1365.

.github/FUNDING.yml

@@ -2,4 +2,4 @@
 
 liberapay: OpenTracks
 github: [rgmf, pstorch, dennisguse]
-custom: [ https://liberapay.com/OpenTracks, https://play.google.com/store/apps/details?id=de.dennisguse.opentracks.playstore ]
+custom: https://play.google.com/store/apps/details?id=de.dennisguse.opentracks.playstore

.github/workflows/build_apk.yml

@@ -1,9 +1,10 @@
 #https://github.com/marketplace/actions/android-emulator-runner
-name: Build nightly
-on: [ push ]
+name: Build APK
+on:
+  push
 
 jobs:
-  nightly-build:
+  apk-build:
     runs-on: ubuntu-latest
     steps:
       - name: checkout
@@ -14,7 +15,7 @@ jobs:
           distribution: 'adopt'
           java-version: '11'
 
-      - name: Assemble nighlty APK
+      - name: Assemble APK
         shell: bash
         run: |
           echo ${NIGHTLY_STORE_FILE} | base64 -d > KEY_NIGHTLY.jks
@@ -28,7 +29,7 @@ jobs:
         if: always()
         uses: actions/upload-artifact@v3
         with:
-          name: OpenTracks-nightly.apk
+          name: OpenTracks-APK.apk
           path: ./build/outputs/apk/nightly/*.apk
           retention-days: 7
 

.github/workflows/lint.yml

@@ -2,7 +2,7 @@ name: Linting
 
 on:
   push:
-  pull_request_target:
+  pull_request:
 
 jobs:
   analyse:

.github/workflows/test.yml

@@ -2,7 +2,7 @@
 name: Test
 on:
   push:
-  pull_request_target:
+  pull_request:
 
 jobs:
   test:
@@ -23,7 +23,7 @@ jobs:
           java-version: '11'
 
       - name: run tests
-        uses: reactivecircus/android-emulator-runner@v2.24.0
+        uses: reactivecircus/android-emulator-runner@v2.25.0
         with:
           api-level: ${{ matrix.api-level }}
           target: ${{ matrix.target }}

README.md

@@ -95,7 +95,7 @@ OpenTracks can be used with [Gadgetbridge](https://www.gadgetbridge.org/):
 __Only required permission:__
 * _ACCESS_FINE_LOCATION_: required to use the GPS.
 
-### API
+### Public API
 
 OpenTracks includes an API for starting/stopping recording by another installed application (e.g., [Automate](https://llamalab.com/automate/), [Tasker](https://tasker.joaoapps.com), or [Easer](https://github.com/renyuneyun/Easer)).
 The API can be invoked by sending an explicit Intent to start an activity.
@@ -107,20 +107,35 @@ The API can be invoked by sending an explicit Intent to start an activity.
 * Nightly: `de.dennisguse.opentracks.nightly`
 
 `Class`:
+
 * **Start a recording:**  `de.dennisguse.opentracks.publicapi.StartRecording`
 * **Stop a recording:**  `de.dennisguse.opentracks.publicapi.StopRecording`
 
-For testing via adb: `adb shell am start -n "package/class"`
+For testing via adb: `adb shell am start -e someParameter someValue -n "package/class"`
 
-The Start/Stop API is disabled by default to protect the user's privacy, but it can easily be enabled in the settings.
+`StartRecording` supports the following parameters:
 
-## Custom Dashboards (incl. map)
-As of v3.3.1, OpenTracks supports custom dashboards for displaying previously recorded and live tracks.
+* Set track data: `TRACK_NAME`, `TRACK_DESCRIPTION`, `TRACK_CATEGORY`, and `TRACK_ICON` (non-localized identifier see [/src/main/java/de/dennisguse/opentracks/util/TrackIconUtils.java#L38](/src/main/java/de/dennisguse/opentracks/util/TrackIconUtils.java#L38)). 
+  NOTE: if `TRACK_ICON` is not present, `TRACK_CATEGORY` will be used to determine the icon (localized).
+* Send recorded data to another application via _Dashboard API_: `STATS_TARGET_PACKAGE` and `STATS_TARGET_CLASS`
 
-The reference implementation is [OSMDashboard](https://github.com/OpenTracksApp/OSMDashboard), which presents an OpenStreetMap map (showing the current track, incl. updates). The Dashboard API is also used by [Gadgetbridge](https://codeberg.org/Freeyourgadget/Gadgetbridge/) for displaying live track statistics on supported wearables.
+The Public API is disabled by default to protect the user's privacy, but it can easily be enabled in the settings.
 
-Alternatively, recorded tracks can be shared as KMZ/GPX with installed applications (e.g., [OsmAnd](https://play.google.com/store/apps/details?id=net.osmand)).
-However, this is rather slow and does not provide updates while recording.
+__IMPORTANT__: triggering `StartRecording` does not check if Android permissions (location or Bluetooth) were granted. If they are not granted, nothing will be recorded.
+
+## Dashboard API (incl. map)
+
+As of v3.3.1, OpenTracks supports custom dashboards for displaying previously recorded and live
+tracks.
+
+The reference implementation is [OSMDashboard](https://github.com/OpenTracksApp/OSMDashboard), which
+presents an OpenStreetMap map (showing the current track, incl. updates). The Dashboard API is also
+used by [Gadgetbridge](https://codeberg.org/Freeyourgadget/Gadgetbridge/) for displaying live track
+statistics on supported wearables.
+
+Alternatively, recorded tracks can be shared as KMZ/GPX with installed applications (
+e.g., [OsmAnd](https://play.google.com/store/apps/details?id=net.osmand)). However, this is rather
+slow and does not provide updates while recording.
 
 The developer documentation is in [README_API.md](README_API.md).
 

README_TESTED_SENSORS.md

@@ -38,10 +38,6 @@ However, often only one value is provided.
 
 We only support _Instantaneous Power_.
 
-_WARNING_: we only support physically movements with valid GPS coordinates.
-Using a device indoors (no GPS available) will only show the current power values, but won't store anything.
-Also the distance is not computed.
-
 For cycling:
 * Assioma Duo Powermeter
 * Elite drivo II

build.gradle

@@ -6,7 +6,7 @@ buildscript {
         mavenCentral()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:7.2.1'
+        classpath 'com.android.tools.build:gradle:7.3.0-rc01'
     }
 }
 
@@ -51,7 +51,7 @@ android {
         targetCompatibility JavaVersion.VERSION_11
     }
 
-    compileSdkVersion 32
+    compileSdk 33
 
     buildFeatures {
         viewBinding true
@@ -59,13 +59,13 @@ android {
 
     defaultConfig {
         applicationId "de.dennisguse.opentracks"
-        versionCode 4951
-        versionName "v4.0.3"
+        versionCode 5017
+        versionName "v4.0.8"
 
         buildConfigField "String", "VERSION_NAME_FULL", "\"${getVersionName()}\""
 
-        minSdkVersion 21
-        targetSdkVersion 32
+        minSdk 21
+        targetSdk 33
 
         testInstrumentationRunner "de.dennisguse.opentracks.TestRunner"
         testInstrumentationRunnerArguments clearPackageData: 'true'
@@ -81,6 +81,8 @@ android {
         }
     }
 
+    namespace 'de.dennisguse.opentracks'
+
     buildTypes {
         debug {
             applicationIdSuffix ".debug"
@@ -100,6 +102,7 @@ android {
         releasePlayStore {
             applicationIdSuffix ".playstore"
             versionNameSuffix "-PlayStore"
+            signingConfig signingConfigs.debug
         }
     }
 
@@ -117,20 +120,23 @@ android {
 }
 
 dependencies {
-    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.1.6'
+    coreLibraryDesugaring 'com.android.tools:desugar_jdk_libs:1.2.2'
 
-    implementation 'androidx.appcompat:appcompat:1.4.2'
+    implementation 'androidx.appcompat:appcompat:1.5.0'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel:2.5.1'
+    implementation 'androidx.lifecycle:lifecycle-viewmodel-ktx:2.5.1'
     implementation 'androidx.preference:preference:1.2.0'
     implementation 'androidx.documentfile:documentfile:1.0.1'
     implementation 'com.google.android.material:material:1.6.1'
     implementation 'androidx.constraintlayout:constraintlayout:2.1.4'
+    implementation 'androidx.core:core-splashscreen:1.0.0'
 
     androidTestImplementation 'androidx.test:core:1.4.0'
     androidTestImplementation 'androidx.test.ext:junit:1.1.3'
     androidTestImplementation 'androidx.test:rules:1.4.0'
     androidTestImplementation 'androidx.test:runner:1.4.0'
     androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
-    androidTestImplementation 'org.mockito:mockito-android:4.6.1'
+    androidTestImplementation 'org.mockito:mockito-android:4.7.0'
 
     androidTestUtil 'androidx.test:orchestrator:1.4.1'
 }

fastlane/metadata/android/de-DE/full_description.txt

@@ -7,4 +7,4 @@ Funktionen & Features:
 * zeichnet deine Herzfrequenz auf (Bluetooth LE)
 * nutze beim Radfahren deine Trittfrequenz- und Geschwindigkeitssensoren sowie Leistungsmesser (Bluetooth LE)
 * exportiert deine Daten als KML oder GPX
-* funktioniert ganz ohne Internet
+* funktioniert ganz ohne Internet

fastlane/metadata/android/de-DE/short_description.txt

@@ -1 +1 @@
-OpenTracks – ein GPS-Tracker, der deine Daten für sich behält.
+OpenTracks – ein GPS-Tracker, der deine Daten für sich behält.

fastlane/metadata/android/en-US/changelogs/4981.txt

@@ -0,0 +1,13 @@
+v4.0.4: OpenTracks
+
+Changes:
+- Store BLE sensor data even without distance (every 10s)
+- Public API: allows setting name, category, and description
+
+Bugfix:
+- Crash when taking a picture and rotating the phone
+- 
+
+Developer:
+- Target SDK 33
+- Barometer uses interval of 5s

fastlane/metadata/android/en-US/changelogs/4986.txt

@@ -0,0 +1,8 @@
+v4.0.5: OpenTracks
+
+Changes:
+- PlayStore relase get's another logo
+
+Bugfix:
+- Interval list shows "-" if gain/loss is not present
+

fastlane/metadata/android/en-US/changelogs/4993.txt

@@ -0,0 +1,6 @@
+v4.0.6: OpenTracks
+
+Bugfix:
+- EGM2008 offset computed wrong for negative longitudes
+- PublicAPI crashed if OpenTracks was in background (API26+)
+

fastlane/metadata/android/en-US/changelogs/5004.txt

@@ -0,0 +1,11 @@
+v4.0.7: OpenTracks
+
+Changes:
+- GPS signal lost timeout: 30s
+- Android13: request permission to show notifications
+- Faster deletion of tracks (vacuum database only if needed)
+
+Bugfix:
+- PublicAPI stop command resulted in crash (introduced in v4.0.6)
+- Permissions: request all permissions during on startup
+

fastlane/metadata/android/en-US/changelogs/5017.txt

@@ -0,0 +1,11 @@
+v4.0.8: OpenTracks
+
+Changes:
+- Altitude always shown in m/ft
+- Show track timezone if different than device timezone
+- PublicAPI: support setting the track icon explicitly
+
+Developer:
+- Introduced DistanceFormatter
+- Upgrade to AGP 7.3/desugar for Duration.class
+- Android12+: do splashscreen via Androidx

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

src/androidTest/java/de/dennisguse/opentracks/EspressoDeleteTrackTest.java

@@ -3,48 +3,25 @@ package de.dennisguse.opentracks;
 
 import static androidx.test.espresso.Espresso.onData;
 import static androidx.test.espresso.Espresso.onView;
-import static androidx.test.espresso.Espresso.pressBack;
 import static androidx.test.espresso.action.ViewActions.click;
 import static androidx.test.espresso.action.ViewActions.longClick;
-import static androidx.test.espresso.action.ViewActions.scrollTo;
-import static androidx.test.espresso.assertion.ViewAssertions.matches;
 import static androidx.test.espresso.matcher.ViewMatchers.isDisplayed;
 import static androidx.test.espresso.matcher.ViewMatchers.withContentDescription;
 import static androidx.test.espresso.matcher.ViewMatchers.withId;
 import static androidx.test.espresso.matcher.ViewMatchers.withText;
 import static org.hamcrest.Matchers.allOf;
 import static org.hamcrest.Matchers.anything;
-import static de.dennisguse.opentracks.util.EspressoUtils.childAtPosition;
 import static de.dennisguse.opentracks.util.EspressoUtils.waitFor;
-import static de.dennisguse.opentracks.util.EspressoUtils.withListSize;
 
-import android.app.ActivityManager;
-import android.app.Instrumentation;
-import android.content.Context;
-import android.view.View;
-import android.widget.ListView;
-
-import androidx.test.espresso.IdlingRegistry;
-import androidx.test.espresso.IdlingResource;
-import androidx.test.espresso.ViewInteraction;
-import androidx.test.espresso.assertion.ViewAssertions;
 import androidx.test.ext.junit.rules.ActivityScenarioRule;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 import androidx.test.filters.LargeTest;
-import androidx.test.platform.app.InstrumentationRegistry;
 import androidx.test.rule.GrantPermissionRule;
 
-import org.hamcrest.Description;
-import org.hamcrest.TypeSafeMatcher;
-import org.junit.After;
-import org.junit.Before;
-import org.junit.Ignore;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import de.dennisguse.opentracks.services.TrackDeleteService;
-
 @LargeTest
 @RunWith(AndroidJUnit4.class)
 public class EspressoDeleteTrackTest {

src/androidTest/java/de/dennisguse/opentracks/EspressoUITest.java

@@ -4,7 +4,6 @@ import static androidx.test.espresso.Espresso.onData;
 import static androidx.test.espresso.Espresso.onView;
 import static androidx.test.espresso.action.ViewActions.click;
 import static androidx.test.espresso.action.ViewActions.longClick;
-import static androidx.test.espresso.action.ViewActions.scrollTo;
 import static androidx.test.espresso.assertion.ViewAssertions.matches;
 import static androidx.test.espresso.matcher.ViewMatchers.isClickable;
 import static androidx.test.espresso.matcher.ViewMatchers.isDisplayed;

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

@@ -15,6 +15,10 @@
  */
 package de.dennisguse.opentracks.chart;
 
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
 import androidx.annotation.NonNull;
 import androidx.test.core.app.ApplicationProvider;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
@@ -25,10 +29,6 @@ import org.junit.runner.RunWith;
 
 import de.dennisguse.opentracks.R;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertFalse;
-import static org.junit.Assert.assertTrue;
-
 /**
  * Tests {@link ChartValueSeries}.
  *

src/androidTest/java/de/dennisguse/opentracks/data/TrackSelectionTest.java

@@ -7,6 +7,7 @@ import junit.framework.TestCase;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
+import java.time.Duration;
 import java.time.Instant;
 
 import de.dennisguse.opentracks.data.models.Track;
@@ -105,7 +106,7 @@ public class TrackSelectionTest extends TestCase {
         long oneDay = 24 * 60 * 60 * 1000;
         TrackSelection filterWrong1 = new TrackSelection().addDateRange(instant, null);
         TrackSelection filterWrong2 = new TrackSelection().addDateRange(null, instant);
-        TrackSelection filterOk = new TrackSelection().addDateRange(instant, instant.plusMillis(oneDay));
+        TrackSelection filterOk = new TrackSelection().addDateRange(instant, instant.plus(Duration.ofDays(1)));
 
         // when
         SelectionData selectionWrong1 = filterWrong1.buildSelection();

src/androidTest/java/de/dennisguse/opentracks/io/file/importer/ExportImportTest.java

@@ -155,26 +155,31 @@ public class ExportImportTest {
         mockAltitudeChange(trackPointCreator, 1);
         mockBLESensorData(trackPointCreator, 15f, sensorDistance, 66f, 3f, 50f);
 
-        trackPointCreator.setClock("2020-02-02T02:02:05Z");
+        trackPointCreator.setClock("2020-02-02T02:02:14Z");
+        mockBLESensorData(trackPointCreator, 15f, null, 66f, 3f, 50f);
+        trackPointCreator.setClock("2020-02-02T02:02:15Z");
+        mockBLESensorData(trackPointCreator, null, null, 66f, 3f, 50f);
+
+        trackPointCreator.setClock("2020-02-02T02:02:16Z");
         mockBLESensorData(trackPointCreator, 5f, Distance.of(2), 66f, 3f, 50f); // Distance will be added to next TrackPoint
 
-        sendLocation(trackPointCreator, "2020-02-02T02:02:05Z", 3, 14.001, 10, 13, 15, 10, 0);
+        sendLocation(trackPointCreator, "2020-02-02T02:02:17Z", 3, 14.001, 10, 13, 15, 10, 0);
         service.insertMarker("Marker 2", "Marker 2 category", "Marker 2 desc", null);
 
-        trackPointCreator.setClock("2020-02-02T02:02:06Z");
+        trackPointCreator.setClock("2020-02-02T02:02:18Z");
         trackPointCreator.setRemoteSensorManager(new BluetoothRemoteSensorManager(context, null, trackPointCreator));
         service.endCurrentTrack();
 
-        trackPointCreator.setClock("2020-02-02T02:02:20Z");
+        trackPointCreator.setClock("2020-02-02T02:03:20Z");
         service.resumeTrack(trackId);
 
-        sendLocation(trackPointCreator, "2020-02-02T02:02:21Z", 3, 14.002, 10, 13, 15, 10, 0);
+        sendLocation(trackPointCreator, "2020-02-02T02:03:21Z", 3, 14.002, 10, 13, 15, 10, 0);
 
-        sendLocation(trackPointCreator, "2020-02-02T02:02:22Z", 3, 16, 10, 13, 15, 10, 0);
+        sendLocation(trackPointCreator, "2020-02-02T02:03:22Z", 3, 16, 10, 13, 15, 10, 0);
 
-        sendLocation(trackPointCreator, "2020-02-02T02:02:23Z", 3, 16.001, 10, 27, 15, 10, 0);
+        sendLocation(trackPointCreator, "2020-02-02T02:03:23Z", 3, 16.001, 10, 27, 15, 10, 0);
 
-        trackPointCreator.setClock("2020-02-02T02:02:24Z");
+        trackPointCreator.setClock("2020-02-02T02:03:24Z");
         trackPointCreator.setRemoteSensorManager(new BluetoothRemoteSensorManager(context, null, trackPointCreator));
         service.endCurrentTrack();
 
@@ -187,7 +192,7 @@ public class ExportImportTest {
         track = contentProviderUtils.getTrack(trackId);
         trackPoints = TestDataUtil.getTrackPoints(contentProviderUtils, trackId);
         markers = contentProviderUtils.getMarkers(trackId);
-        assertEquals(10, trackPoints.size());
+        assertEquals(12, trackPoints.size());
         assertEquals(2, markers.size());
     }
 
@@ -231,29 +236,29 @@ public class ExportImportTest {
         // Time
         assertEquals(track.getZoneOffset(), importedTrack.getZoneOffset());
         assertEquals(Instant.parse("2020-02-02T02:02:02Z"), importedTrackStatistics.getStartTime());
-        assertEquals(Instant.parse("2020-02-02T02:02:24Z"), importedTrackStatistics.getStopTime());
+        assertEquals(Instant.parse("2020-02-02T02:03:24Z"), importedTrackStatistics.getStopTime());
 
         TrackStatistics originalTrackStatistics = track.getTrackStatistics();
 
         assertEquals(originalTrackStatistics.getTotalTime(), importedTrackStatistics.getTotalTime());
-        assertEquals(Duration.ofSeconds(7), importedTrackStatistics.getTotalTime());
+        assertEquals(Duration.ofSeconds(19), importedTrackStatistics.getTotalTime());
 
         assertEquals(originalTrackStatistics.getMovingTime(), importedTrackStatistics.getMovingTime());
         assertEquals(Duration.ofSeconds(3), importedTrackStatistics.getMovingTime());
 
         // Distance
         assertEquals(originalTrackStatistics.getTotalDistance(), importedTrackStatistics.getTotalDistance());
-        assertEquals(123.16, importedTrackStatistics.getTotalDistance().toM(), 0.01);
+        assertEquals(125.16, importedTrackStatistics.getTotalDistance().toM(), 0.01);
 
         // Speed
         assertEquals(originalTrackStatistics.getMaxSpeed(), importedTrackStatistics.getMaxSpeed());
-        assertEquals(41.05, importedTrackStatistics.getMaxSpeed().toMPS(), 0.01);
+        assertEquals(41.72, importedTrackStatistics.getMaxSpeed().toMPS(), 0.01);
 
         assertEquals(originalTrackStatistics.getAverageSpeed(), importedTrackStatistics.getAverageSpeed());
-        assertEquals(17.59, importedTrackStatistics.getAverageSpeed().toMPS(), 0.01);
+        assertEquals(6.58, importedTrackStatistics.getAverageSpeed().toMPS(), 0.01);
 
         assertEquals(originalTrackStatistics.getAverageMovingSpeed(), importedTrackStatistics.getAverageMovingSpeed());
-        assertEquals(41.05, importedTrackStatistics.getMaxSpeed().toMPS(), 0.01);
+        assertEquals(41.72, importedTrackStatistics.getMaxSpeed().toMPS(), 0.01);
 
         // Altitude
         assertEquals(originalTrackStatistics.getMinAltitude(), importedTrackStatistics.getMinAltitude(), 0.01);
@@ -345,19 +350,19 @@ public class ExportImportTest {
                         .setAltitudeLoss(1f)
                         .setAltitudeGain(1f)
                         .setHorizontalAccuracy(Distance.of(10)),
-                new TrackPoint(TrackPoint.Type.TRACKPOINT, Instant.parse("2020-02-02T02:02:05Z"))
+                new TrackPoint(TrackPoint.Type.TRACKPOINT, Instant.parse("2020-02-02T02:02:17Z"))
                         .setLatitude(3)
                         .setLongitude(14.001)
                         .setAltitude(10)
                         .setSpeed(Speed.of(5))
                         .setAltitudeLoss(1f)
                         .setAltitudeGain(1f)
-                        .setSensorDistance(Distance.of(12))
+                        .setSensorDistance(Distance.of(14))
                         .setHeartRate(66f)
                         .setPower(50f)
                         .setCadence(3f)
                         .setHorizontalAccuracy(Distance.of(10)),
-                new TrackPoint(TrackPoint.Type.SEGMENT_START_AUTOMATIC, Instant.parse("2020-02-02T02:02:21Z"))
+                new TrackPoint(TrackPoint.Type.SEGMENT_START_AUTOMATIC, Instant.parse("2020-02-02T02:03:21Z"))
                         .setLatitude(3)
                         .setLongitude(14.002)
                         .setAltitude(10)
@@ -365,7 +370,7 @@ public class ExportImportTest {
                         .setAltitudeGain(0f)
                         .setSpeed(Speed.of(15))
                         .setHorizontalAccuracy(Distance.of(10)),
-                new TrackPoint(TrackPoint.Type.SEGMENT_START_AUTOMATIC, Instant.parse("2020-02-02T02:02:22Z"))
+                new TrackPoint(TrackPoint.Type.SEGMENT_START_AUTOMATIC, Instant.parse("2020-02-02T02:03:22Z"))
                         .setLatitude(3)
                         .setLongitude(16)
                         .setAltitude(10)
@@ -373,7 +378,7 @@ public class ExportImportTest {
                         .setAltitudeGain(0f)
                         .setSpeed(Speed.of(15))
                         .setHorizontalAccuracy(Distance.of(10)),
-                new TrackPoint(TrackPoint.Type.TRACKPOINT, Instant.parse("2020-02-02T02:02:23Z"))
+                new TrackPoint(TrackPoint.Type.TRACKPOINT, Instant.parse("2020-02-02T02:03:23Z"))
                         .setLatitude(3)
                         .setLongitude(16.001)
                         .setAltitude(10)
@@ -390,18 +395,18 @@ public class ExportImportTest {
         // Time
         assertEquals(track.getZoneOffset(), importedTrack.getZoneOffset());
         assertEquals(Instant.parse("2020-02-02T02:02:03Z"), importedTrackStatistics.getStartTime());
-        assertEquals(Instant.parse("2020-02-02T02:02:23Z"), importedTrackStatistics.getStopTime());
+        assertEquals(Instant.parse("2020-02-02T02:03:23Z"), importedTrackStatistics.getStopTime());
 
-        assertEquals(Duration.ofSeconds(3), importedTrackStatistics.getTotalTime());
-        assertEquals(Duration.ofSeconds(3), importedTrackStatistics.getMovingTime());
+        assertEquals(Duration.ofSeconds(15), importedTrackStatistics.getTotalTime());
+        assertEquals(Duration.ofSeconds(15), importedTrackStatistics.getMovingTime());
 
         // Distance
-        assertEquals(123.16, importedTrackStatistics.getTotalDistance().toM(), 0.01);
+        assertEquals(125.16, importedTrackStatistics.getTotalDistance().toM(), 0.01);
 
         // Speed
-        assertEquals(41.05, importedTrackStatistics.getMaxSpeed().toMPS(), 0.01);
-        assertEquals(41.05, importedTrackStatistics.getAverageSpeed().toMPS(), 0.01);
-        assertEquals(41.05, importedTrackStatistics.getAverageMovingSpeed().toMPS(), 0.01);
+        assertEquals(8.34, importedTrackStatistics.getMaxSpeed().toMPS(), 0.01);
+        assertEquals(8.34, importedTrackStatistics.getAverageSpeed().toMPS(), 0.01);
+        assertEquals(8.34, importedTrackStatistics.getAverageMovingSpeed().toMPS(), 0.01);
 
         // Altitude
         assertEquals(10, importedTrackStatistics.getMinAltitude(), 0.01);
@@ -458,7 +463,7 @@ public class ExportImportTest {
         contentProviderUtils.deleteTrack(context, trackId);
 
         // then
-        InputStream expected = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.debug.test.R.raw.csv_export);
+        InputStream expected = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.test.R.raw.csv_export);
         String expectedText = new BufferedReader(new InputStreamReader(expected, StandardCharsets.UTF_8))
                 .lines()
                 .collect(Collectors.joining("\n"));

src/androidTest/java/de/dennisguse/opentracks/io/file/importer/GPXTrackImporterTest.java

@@ -15,11 +15,16 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.junit.runners.JUnit4;
 
+import java.io.BufferedReader;
+import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
 import java.time.Duration;
 import java.time.Instant;
 import java.util.List;
+import java.util.stream.Collectors;
 
 import de.dennisguse.opentracks.content.data.TestDataUtil;
 import de.dennisguse.opentracks.data.ContentProviderUtils;
@@ -27,6 +32,8 @@ import de.dennisguse.opentracks.data.models.Distance;
 import de.dennisguse.opentracks.data.models.Speed;
 import de.dennisguse.opentracks.data.models.Track;
 import de.dennisguse.opentracks.data.models.TrackPoint;
+import de.dennisguse.opentracks.io.file.TrackFileFormat;
+import de.dennisguse.opentracks.io.file.exporter.TrackExporter;
 import de.dennisguse.opentracks.stats.TrackStatistics;
 
 /**
@@ -62,7 +69,7 @@ public class GPXTrackImporterTest {
     public void gpx_with_pause_resume() throws IOException {
         // given
         XMLImporter importer = new XMLImporter(new GpxTrackImporter(context, trackImporter));
-        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.debug.test.R.raw.legacy_gpx_pause_resume);
+        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.test.R.raw.legacy_gpx_pause_resume);
 
         // when
         // 1. import
@@ -116,7 +123,7 @@ public class GPXTrackImporterTest {
     public void gpx_without_speed() throws IOException {
         // given
         XMLImporter importer = new XMLImporter(new GpxTrackImporter(context, trackImporter));
-        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.debug.test.R.raw.gpx11_without_speed);
+        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.test.R.raw.gpx11_without_speed);
 
         // when
         // 1. import
@@ -164,7 +171,7 @@ public class GPXTrackImporterTest {
     public void gpx_speed_no_namespace() throws IOException {
         // given
         XMLImporter importer = new XMLImporter(new GpxTrackImporter(context, trackImporter));
-        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.debug.test.R.raw.gpx11_with_speed_no_namespace);
+        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.test.R.raw.gpx11_with_speed_no_namespace);
 
         // when
         // 1. import
@@ -208,4 +215,31 @@ public class GPXTrackImporterTest {
                         .setSpeed(Speed.of(3))
         ), importedTrackPoints);
     }
+
+    @LargeTest
+    @Test
+    public void importExportTest_timezone() throws IOException {
+        // given
+        XMLImporter importer = new XMLImporter(new GpxTrackImporter(context, trackImporter));
+        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.test.R.raw.gpx_timezone);
+        InputStream inputStreamExpected = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.test.R.raw.gpx_timezone);
+
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+
+        // when
+        // 1. import
+        importTrackId = importer.importFile(inputStream).get(0);
+        Track importedTrack = contentProviderUtils.getTrack(importTrackId);
+
+        TrackExporter trackExporter = TrackFileFormat.GPX.createTrackExporter(context);
+        trackExporter.writeTrack(importedTrack, outputStream);
+
+        // then
+        String expected = new BufferedReader(
+                new InputStreamReader(inputStreamExpected, StandardCharsets.UTF_8))
+                .lines()
+                .collect(Collectors.joining("\n")) + "\n";
+
+        assertEquals(expected, outputStream.toString()); //TODO inputStream.readAllBytes() ?
+    }
 }

src/androidTest/java/de/dennisguse/opentracks/io/file/importer/KMLTrackImporterTest.java

@@ -60,7 +60,7 @@ public class KMLTrackImporterTest {
     public void kml22_order_location_and_when() throws IOException {
         // given
         XMLImporter importer = new XMLImporter(new KmlTrackImporter(context, trackImporter));
-        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.debug.test.R.raw.kml22_order_location_and_when);
+        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.test.R.raw.kml22_order_location_and_when);
 
         // when
         // 1. import
@@ -109,7 +109,7 @@ public class KMLTrackImporterTest {
     public void kml22_time_decreases() throws IOException {
         // given
         XMLImporter importer = new XMLImporter(new KmlTrackImporter(context, trackImporter));
-        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.debug.test.R.raw.kml22_time_decreases);
+        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.test.R.raw.kml22_time_decreases);
 
         // when
         // 1. import
@@ -149,7 +149,7 @@ public class KMLTrackImporterTest {
     public void kml22_with_statistics_marker() throws IOException {
         // given
         XMLImporter importer = new XMLImporter(new KmlTrackImporter(context, trackImporter));
-        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.debug.test.R.raw.legacy_kml22_statistics_marker);
+        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.test.R.raw.legacy_kml22_statistics_marker);
 
         // when
         // 1. import
@@ -223,7 +223,7 @@ public class KMLTrackImporterTest {
     public void kml_without_locations() throws IOException {
         // given
         XMLImporter importer = new XMLImporter(new KmlTrackImporter(context, trackImporter));
-        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.debug.test.R.raw.kml22_without_locations);
+        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.test.R.raw.kml22_without_locations);
 
         // when
         importTrackId = importer.importFile(inputStream).get(0);
@@ -234,7 +234,7 @@ public class KMLTrackImporterTest {
     public void kml_when_locations_different() throws IOException {
         // given
         XMLImporter importer = new XMLImporter(new KmlTrackImporter(context, trackImporter));
-        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.debug.test.R.raw.kml22_when_locations_different);
+        InputStream inputStream = InstrumentationRegistry.getInstrumentation().getContext().getResources().openRawResource(de.dennisguse.opentracks.test.R.raw.kml22_when_locations_different);
 
         // when
         importTrackId = importer.importFile(inputStream).get(0);

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

@@ -31,12 +31,14 @@ import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.content.data.TestDataUtil;
 import de.dennisguse.opentracks.data.ContentProviderUtils;
 import de.dennisguse.opentracks.data.models.Distance;
+import de.dennisguse.opentracks.data.models.HeartRate;
 import de.dennisguse.opentracks.data.models.Speed;
 import de.dennisguse.opentracks.data.models.Track;
 import de.dennisguse.opentracks.data.models.TrackPoint;
 import de.dennisguse.opentracks.io.file.importer.TrackPointAssert;
 import de.dennisguse.opentracks.sensors.AltitudeSumManager;
 import de.dennisguse.opentracks.sensors.BluetoothRemoteSensorManager;
+import de.dennisguse.opentracks.sensors.sensorData.SensorDataHeartRate;
 import de.dennisguse.opentracks.sensors.sensorData.SensorDataRunning;
 import de.dennisguse.opentracks.services.handlers.TrackPointCreator;
 import de.dennisguse.opentracks.settings.PreferencesUtils;
@@ -257,6 +259,47 @@ public class TrackRecordingServiceTestRecording {
         ), TestDataUtil.getTrackPoints(contentProviderUtils, trackId));
     }
 
+    @MediumTest
+    @Test
+    public void testRecording_blesensor_only_no_distance() {
+        // given
+        String startTime = "2020-02-02T02:02:02Z";
+        TrackPointCreator trackPointCreator = service.getTrackPointCreator();
+
+        trackPointCreator.setClock(startTime);
+        Track.Id trackId = service.startNewTrack();
+        trackPointCreator.stopGPS();
+        trackPointCreator.setAltitudeSumManager(altitudeSumManager);
+        BluetoothRemoteSensorManager remoteSensorManager = trackPointCreator.getRemoteSensorManager();
+
+        // when
+        String sensor1 = "2020-02-02T02:02:03Z";
+        trackPointCreator.setClock(sensor1);
+        remoteSensorManager.onChanged(new SensorDataHeartRate("", "", HeartRate.of(5))); //Should be ignored
+
+        String sensor3 = "2020-02-02T02:02:13Z";
+        trackPointCreator.setClock(sensor3);
+        remoteSensorManager.onChanged(new SensorDataHeartRate("", "", HeartRate.of(7)));
+
+        String stopTime = "2020-02-02T02:02:15Z";
+        trackPointCreator.setClock(stopTime);
+        service.endCurrentTrack();
+
+        // then
+        new TrackPointAssert().assertEquals(List.of(
+                new TrackPoint(TrackPoint.Type.SEGMENT_START_MANUAL, Instant.parse(startTime)),
+                new TrackPoint(TrackPoint.Type.SENSORPOINT, Instant.parse(sensor3))
+                        .setAltitudeGain(0f)
+                        .setAltitudeLoss(0f)
+                        .setHeartRate(HeartRate.of(7)),
+                new TrackPoint(TrackPoint.Type.SEGMENT_END_MANUAL, Instant.parse(stopTime))
+                        .setAltitudeGain(0f)
+                        .setAltitudeLoss(0f)
+                        .setHeartRate(HeartRate.of(7))
+        ), TestDataUtil.getTrackPoints(contentProviderUtils, trackId));
+    }
+
+
     @MediumTest
     @Test
     public void testRecording_gpsOnly_recordingDistance_above() {

src/androidTest/java/de/dennisguse/opentracks/share/DescriptionGeneratorTest.java

@@ -99,7 +99,7 @@ public class DescriptionGeneratorTest {
                         + "Min elevation: -500 m (-1640 ft)<br>"
                         + "Elevation gain: 6000 m (19685 ft)<br>"
                         + "Elevation loss: 6000 m (19685 ft)<br>"
-                        + "Recorded: " + StringUtils.formatDateTime(OffsetDateTime.ofInstant(START_TIME, ZoneId.systemDefault())) + "<br>";
+                        + "Recorded: " + StringUtils.formatDateTimeWithOffset(OffsetDateTime.ofInstant(START_TIME, ZoneId.systemDefault())) + "<br>";
 
         assertEquals(expected, descriptionGenerator.generateTrackDescription(track, true));
     }
@@ -135,7 +135,7 @@ public class DescriptionGeneratorTest {
                         + "Fastest pace: 0:10 min/km (0:16 min/mi)<br>"
                         + "Elevation gain: 6000 m (19685 ft)<br>"
                         + "Elevation loss: 6000 m (19685 ft)<br>"
-                        + "Recorded: " + StringUtils.formatDateTime(OffsetDateTime.ofInstant(START_TIME, ZoneId.systemDefault())) + "<br>";
+                        + "Recorded: " + StringUtils.formatDateTimeWithOffset(OffsetDateTime.ofInstant(START_TIME, ZoneId.systemDefault())) + "<br>";
 
         assertEquals(expected, descriptionGenerator.generateTrackDescription(track, true));
     }

src/androidTest/java/de/dennisguse/opentracks/ui/intervals/IntervalStatisticsTest.java

@@ -21,7 +21,6 @@ import de.dennisguse.opentracks.data.TrackPointIterator;
 import de.dennisguse.opentracks.data.models.Distance;
 import de.dennisguse.opentracks.data.models.Track;
 import de.dennisguse.opentracks.data.models.TrackPoint;
-import de.dennisguse.opentracks.data.models.UnitConversions;
 import de.dennisguse.opentracks.stats.TrackStatistics;
 import de.dennisguse.opentracks.stats.TrackStatisticsUpdater;
 
@@ -180,7 +179,7 @@ public class IntervalStatisticsTest {
 
         // then
         assertEquals(trackStatistics.getTotalDistance().toM(), totalDistance.toM(), 0.01);
-        assertEquals(trackStatistics.getTotalTime().toMillis(), totalTime * UnitConversions.S_TO_MS, 1);
+        assertEquals(trackStatistics.getTotalTime().toSeconds(), totalTime, 0.01);
         assertEquals(intervalList.size(), (int) Math.ceil(trackStatistics.getTotalDistance().toM() / distanceInterval));
         if (totalGain != null) {
             assertEquals(totalGain, numberOfPoints * TestDataUtil.ALTITUDE_GAIN, 0.1);

src/androidTest/java/de/dennisguse/opentracks/util/EGM2008UtilsTest.java

@@ -142,7 +142,7 @@ public class EGM2008UtilsTest {
     }
 
     @Test
-    public void data_Berlin() throws IOException {
+    public void data_Berlin_Germany_() throws IOException {
         // given
         TrackPoint trackPoint = new TrackPoint(TrackPoint.Type.TRACKPOINT, Instant.ofEpochMilli(0));
         trackPoint.setLatitude(52.530644);
@@ -157,7 +157,7 @@ public class EGM2008UtilsTest {
     }
 
     @Test
-    public void data_Berlin_Caching() throws IOException {
+    public void data_Berlin_Germany_Caching() throws IOException {
         // given
         TrackPoint trackPoint1 = new TrackPoint(TrackPoint.Type.TRACKPOINT, Instant.ofEpochMilli(0));
         trackPoint1.setLatitude(52.530644);
@@ -176,6 +176,22 @@ public class EGM2008UtilsTest {
         assertNotEquals(altitude_egm2008.correctAltitude(trackPoint1.getLocation()), altitude_egm2008.correctAltitude(trackPoint2.getLocation()), 0.0001);
     }
 
+    @Test
+    public void data_Seattle_USA() throws IOException {
+        // given
+        TrackPoint trackPoint = new TrackPoint(TrackPoint.Type.TRACKPOINT, Instant.ofEpochMilli(0));
+
+        trackPoint.setLatitude(47.63153);
+        trackPoint.setLongitude(-122.30938);
+        trackPoint.setAltitude(0);
+
+        // when
+        EGM2008Utils.EGM2008Correction altitude_egm2008 = EGM2008Utils.createCorrection(context, trackPoint.getLocation());
+
+        // then
+        assertEquals(22.99, altitude_egm2008.correctAltitude(trackPoint.getLocation()), MAX_BILINEAR_ERROR);
+    }
+
     @Test
     public void data_MaxUndulation() throws IOException {
         // given
@@ -191,6 +207,7 @@ public class EGM2008UtilsTest {
         assertEquals(-85.824, altitude_egm2008.correctAltitude(trackPoint.getLocation()), MAX_BILINEAR_ERROR);
     }
 
+
     @Test
     public void getIndices() {
         TrackPoint trackPoint = new TrackPoint(TrackPoint.Type.TRACKPOINT, Instant.ofEpochMilli(0));
@@ -208,7 +225,7 @@ public class EGM2008UtilsTest {
 
         trackPoint.setLatitude(-90);
         trackPoint.setLongitude(-180);
-        assertEquals(new EGM2008Utils.Indices(2160, 0), EGM2008Utils.getIndices(trackPoint.getLocation()));
+        assertEquals(new EGM2008Utils.Indices(2160, 2160), EGM2008Utils.getIndices(trackPoint.getLocation()));
     }
 
     @Test

src/androidTest/res/raw/gpx_timezone.gpx

@@ -0,0 +1,45 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<gpx
+version="1.1"
+creator="OpenTracks (Debug)"
+xmlns="http://www.topografix.com/GPX/1/1"
+xmlns:topografix="http://www.topografix.com/GPX/Private/TopoGrafix/0/1"
+xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+xmlns:opentracks="http://opentracksapp.com/xmlschemas/v1"
+xmlns:gpxtpx="http://www.garmin.com/xmlschemas/TrackPointExtension/v2"
+xmlns:gpxtrkx="http://www.garmin.com/xmlschemas/TrackStatsExtension/v1"
+xmlns:cluetrust="http://www.cluetrust.com/Schemas/"
+xmlns:pwr="http://www.garmin.com/xmlschemas/PowerExtension/v1"
+xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd http://www.topografix.com/GPX/Private/TopoGrafix/0/1 http://www.topografix.com/GPX/Private/TopoGrafix/0/1/topografix.xsd http://www.garmin.com/xmlschemas/TrackPointExtension/v2 https://www8.garmin.com/xmlschemas/TrackPointExtensionv2.xsd http://www.garmin.com/xmlschemas/PowerExtension/v1 https://www8.garmin.com/xmlschemas/PowerExtensionv1.xsd http://www.garmin.com/xmlschemas/TrackStatsExtension/v1 http://www.cluetrust.com/Schemas http://www.cluetrust.com/Schemas/gpxdata10.xsd http://opentracksapp.com/xmlschemas/v1 http://opentracksapp.com/xmlschemas/OpenTracks_v1.xsd">
+<wpt lat="3" lon="14">
+<ele>10</ele>
+<time>2021-01-07T21:51:59.179+01:15</time>
+<name><![CDATA[Marker 1]]></name>
+<desc><![CDATA[Marker 1 desc]]></desc>
+<type><![CDATA[Marker 1 category]]></type>
+</wpt>
+<trk>
+<name><![CDATA[2021-01-07 22:51]]></name>
+<desc><![CDATA[the description]]></desc>
+<type><![CDATA[the category]]></type>
+<extensions>
+<topografix:color>c0c0c0</topografix:color>
+<opentracks:trackid>7002101e-4198-4613-8c24-544e01ca3981</opentracks:trackid>
+<gpxtrkx:TrackStatsExtension>
+<gpxtrkx:Distance>0.0</gpxtrkx:Distance>
+<gpxtrkx:TimerTime>0</gpxtrkx:TimerTime>
+<gpxtrkx:MovingTime>0</gpxtrkx:MovingTime>
+<gpxtrkx:StoppedTime>0</gpxtrkx:StoppedTime>
+<gpxtrkx:MaxSpeed>0.0</gpxtrkx:MaxSpeed>
+<gpxtrkx:Ascent>null</gpxtrkx:Ascent>
+<gpxtrkx:Descent>null</gpxtrkx:Descent>
+</gpxtrkx:TrackStatsExtension>
+</extensions>
+<trkseg>
+<trkpt lat="3" lon="14">
+<ele>10</ele>
+<time>2021-01-07T21:51:59.179+01:15</time>
+</trkpt>
+</trkseg>
+</trk>
+</gpx>

src/main/AndroidManifest.xml

@@ -15,7 +15,6 @@ limitations under the License.
 -->
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
-    package="de.dennisguse.opentracks"
     android:installLocation="auto">
 
     <supports-screens
@@ -59,6 +58,8 @@ limitations under the License.
         tools:targetApi="s" />
     <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
 
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+
     <application
         android:name=".Startup"
         android:allowBackup="false"

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

@@ -84,8 +84,8 @@ public abstract class AbstractTrackDeleteActivity extends AbstractActivity imple
     /**
      * Called every time a track is deleted.
      */
-    protected void onTrackDeleteStatus(TrackDeleteService.DeleteStatus deleteStatus) {
-        if (deleteStatus.isFinished() && trackDeleteServiceConnection != null) {
+    protected void onTrackDeleteStatus(TrackDeleteService.DeletionFinishedStatus deletionFinishedStatus) {
+        if (trackDeleteServiceConnection != null) {
             trackDeleteServiceConnection.unbind(this);
             trackDeleteServiceConnection = null;
             onDeleteFinished();

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

@@ -3,19 +3,15 @@ package de.dennisguse.opentracks;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Bundle;
-import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 
-import androidx.appcompat.app.AppCompatActivity;
-
 import java.io.UnsupportedEncodingException;
 import java.net.URLEncoder;
 import java.nio.charset.StandardCharsets;
 
 import de.dennisguse.opentracks.databinding.ActivityShowErrorBinding;
-import de.dennisguse.opentracks.databinding.TrackListBinding;
 
 public class ShowErrorActivity extends AbstractActivity {
 

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

@@ -38,6 +38,7 @@ import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.appcompat.widget.SearchView;
 import androidx.core.content.ContextCompat;
+import androidx.core.splashscreen.SplashScreen;
 import androidx.cursoradapter.widget.ResourceCursorAdapter;
 import androidx.loader.app.LoaderManager;
 import androidx.loader.content.CursorLoader;
@@ -70,7 +71,7 @@ import de.dennisguse.opentracks.ui.util.ActivityUtils;
 import de.dennisguse.opentracks.ui.util.ListItemUtils;
 import de.dennisguse.opentracks.util.IntentDashboardUtils;
 import de.dennisguse.opentracks.util.IntentUtils;
-import de.dennisguse.opentracks.util.PermissionUtils;
+import de.dennisguse.opentracks.util.PermissionRequester;
 import de.dennisguse.opentracks.util.StringUtils;
 import de.dennisguse.opentracks.util.TrackIconUtils;
 
@@ -158,8 +159,7 @@ public class TrackListActivity extends AbstractTrackDeleteActivity implements Co
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
-        // Reset theme after splash
-        setTheme(R.style.ThemeCustom);
+        SplashScreen.installSplashScreen(this);
 
         super.onCreate(savedInstanceState);
         setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
@@ -241,7 +241,7 @@ public class TrackListActivity extends AbstractTrackDeleteActivity implements Co
                 startActivity(newIntent);
 
                 connection.unbind(this);
-            }).startAndBind(this);
+            }).startAndBind(this, true);
         });
         viewBinding.trackListFabAction.setOnLongClickListener((view) -> {
             if (!recordingStatus.isRecording()) {
@@ -263,13 +263,7 @@ public class TrackListActivity extends AbstractTrackDeleteActivity implements Co
     }
 
     private void requestRequiredPermissions() {
-        if (!PermissionUtils.hasGPSPermission(this)) {
-            PermissionUtils.requestGPSPermission(this, null, () -> Toast.makeText(this, R.string.permission_gps_failed, Toast.LENGTH_SHORT).show());
-        }
-
-        if (!PermissionUtils.hasBluetoothPermissions(this)) {
-            PermissionUtils.requestBluetoothPermission(this, null, null);
-        }
+        PermissionRequester.ALL.requestPermissionsIfNeeded(this, this, null, (requester) -> Toast.makeText(this, R.string.permission_gps_failed, Toast.LENGTH_SHORT).show());
     }
 
     @Override
@@ -323,8 +317,8 @@ public class TrackListActivity extends AbstractTrackDeleteActivity implements Co
         searchView.findViewById(R.id.search_edit_frame).setPadding(0, 0, 48, 0);
 
         SearchView.SearchAutoComplete searchAutoComplete = searchView.findViewById(R.id.search_src_text);
-        searchAutoComplete.setHintTextColor(getResources().getColor(android.R.color.white));
-        searchAutoComplete.setTextColor(getResources().getColor(android.R.color.white));
+        searchAutoComplete.setHintTextColor(ContextCompat.getColor(this, android.R.color.white));
+        searchAutoComplete.setTextColor(ContextCompat.getColor(this, android.R.color.white));
 
         searchView.setOnCloseListener(() -> {
             searchView.clearFocus();

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

@@ -213,7 +213,7 @@ public class TrackRecordedActivity extends AbstractTrackDeleteActivity implement
 
                 connection.unbind(this);
                 finish();
-            }).startAndBind(this);
+            }).startAndBind(this, true);
             return true;
         }
 
@@ -232,9 +232,9 @@ public class TrackRecordedActivity extends AbstractTrackDeleteActivity implement
     }
 
     @Override
-    protected void onTrackDeleteStatus(TrackDeleteService.DeleteStatus deleteStatus) {
-        super.onTrackDeleteStatus(deleteStatus);
-        if (deleteStatus.isDeleted(trackId)) {
+    protected void onTrackDeleteStatus(TrackDeleteService.DeletionFinishedStatus deletionFinishedStatus) {
+        super.onTrackDeleteStatus(deletionFinishedStatus);
+        if (deletionFinishedStatus.isDeleted(trackId)) {
             runOnUiThread(this::finish);
         }
     }

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

@@ -11,8 +11,6 @@ import android.util.Log;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
-import android.view.WindowInsets;
-import android.view.WindowInsetsController;
 import android.view.WindowManager;
 import android.widget.Toast;
 
@@ -49,7 +47,6 @@ import de.dennisguse.opentracks.ui.markers.MarkerEditActivity;
 import de.dennisguse.opentracks.ui.markers.MarkerListActivity;
 import de.dennisguse.opentracks.util.IntentDashboardUtils;
 import de.dennisguse.opentracks.util.IntentUtils;
-import de.dennisguse.opentracks.util.PermissionUtils;
 import de.dennisguse.opentracks.util.TrackIconUtils;
 import de.dennisguse.opentracks.util.TrackUtils;
 
@@ -138,7 +135,7 @@ public class TrackRecordingActivity extends AbstractActivity implements ChooseAc
 
         viewBinding.trackRecordingFabAction.setImageResource(R.drawable.ic_baseline_stop_24);
         viewBinding.trackRecordingFabAction.setBackgroundTintList(ContextCompat.getColorStateList(this, R.color.opentracks_secondary_color));
-        viewBinding.trackRecordingFabAction.setBackgroundColor(getResources().getColor(R.color.opentracks_secondary_color));
+        viewBinding.trackRecordingFabAction.setBackgroundColor(ContextCompat.getColor(this, R.color.opentracks_secondary_color));
         viewBinding.trackRecordingFabAction.setOnLongClickListener((view) -> {
             ((Vibrator) getSystemService(Context.VIBRATOR_SERVICE)).vibrate(1000);
             trackRecordingServiceConnection.stopRecording(TrackRecordingActivity.this);

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

@@ -90,18 +90,25 @@ public class TrackStoppedActivity extends AbstractTrackDeleteActivity implements
         }
 
         viewBinding.finishButton.setOnClickListener(v -> {
-            TrackUtils.updateTrack(TrackStoppedActivity.this, track, viewBinding.trackEditName.getText().toString(),
-                    viewBinding.trackEditActivityType.getText().toString(), viewBinding.trackEditDescription.getText().toString(),
-                    contentProviderUtils);
+            storeTrackMetaData(contentProviderUtils, track);
             ExportUtils.postWorkoutExport(this, trackId);
             finish();
         });
 
-        viewBinding.resumeButton.setOnClickListener(v -> resumeTrackAndFinish());
+        viewBinding.resumeButton.setOnClickListener(v -> {
+            storeTrackMetaData(contentProviderUtils, track);
+            resumeTrackAndFinish();
+        });
 
         viewBinding.discardButton.setOnClickListener(v -> ConfirmDeleteDialogFragment.showDialog(getSupportFragmentManager(), trackId));
     }
 
+    private void storeTrackMetaData(ContentProviderUtils contentProviderUtils, Track track) {
+        TrackUtils.updateTrack(TrackStoppedActivity.this, track, viewBinding.trackEditName.getText().toString(),
+                viewBinding.trackEditActivityType.getText().toString(), viewBinding.trackEditDescription.getText().toString(),
+                contentProviderUtils);
+    }
+
     @Override
     public void onBackPressed() {
         if (isDiscarding) {
@@ -138,7 +145,7 @@ public class TrackStoppedActivity extends AbstractTrackDeleteActivity implements
 
             connection.unbind(this);
             finish();
-        }).startAndBind(this);
+        }).startAndBind(this, true);
     }
 
     @Override

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

@@ -32,9 +32,7 @@ import java.util.List;
 
 import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.data.TrackDataHub;
-import de.dennisguse.opentracks.data.models.Altitude;
 import de.dennisguse.opentracks.data.models.Marker;
-import de.dennisguse.opentracks.data.models.Speed;
 import de.dennisguse.opentracks.data.models.Track;
 import de.dennisguse.opentracks.data.models.TrackPoint;
 import de.dennisguse.opentracks.databinding.ChartBinding;

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

@@ -3,11 +3,9 @@ package de.dennisguse.opentracks.chart;
 import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
 
-import de.dennisguse.opentracks.data.models.Altitude;
 import de.dennisguse.opentracks.data.models.Distance;
 import de.dennisguse.opentracks.data.models.Speed;
 import de.dennisguse.opentracks.data.models.TrackPoint;
-import de.dennisguse.opentracks.data.models.UnitConversions;
 import de.dennisguse.opentracks.settings.UnitSystem;
 import de.dennisguse.opentracks.stats.TrackStatistics;
 
@@ -42,7 +40,7 @@ public class ChartPoint {
 
         if (smoothedSpeed != null) {
             speed = smoothedSpeed.to(unitSystem);
-            pace = smoothedSpeed.toPace(unitSystem).toMillis() * UnitConversions.MS_TO_S * UnitConversions.S_TO_MIN;
+            pace = smoothedSpeed.toPace(unitSystem).toSeconds() / 60d;
         }
         if (trackPoint.hasHeartRate()) {
             heartRate = (double) trackPoint.getHeartRate().getBPM();

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

@@ -24,6 +24,7 @@ import android.graphics.Paint.Style;
 import android.graphics.Path;
 
 import androidx.annotation.NonNull;
+import androidx.core.content.ContextCompat;
 
 import java.text.NumberFormat;
 
@@ -68,12 +69,12 @@ abstract class ChartValueSeries {
 
         fillPaint = new Paint();
         fillPaint.setStyle(Style.FILL);
-        fillPaint.setColor(context.getResources().getColor(fillColor));
+        fillPaint.setColor(ContextCompat.getColor(context, fillColor));
         fillPaint.setAntiAlias(true);
 
         strokePaint = new Paint();
         strokePaint.setStyle(Style.STROKE);
-        strokePaint.setColor(context.getResources().getColor(strokeColor));
+        strokePaint.setColor(ContextCompat.getColor(context, strokeColor));
         strokePaint.setAntiAlias(true);
 
         // Make copies of the stroke paint with the default thickness

src/main/java/de/dennisguse/opentracks/data/ContentProviderUtils.java

@@ -187,7 +187,6 @@ public class ContentProviderUtils {
             FileUtils.deleteDirectoryRecurse(FileUtils.getPhotoDir(context, trackId));
         }
 
-        // Delete track last since it triggers a database vacuum call
         String whereClause = String.format(TracksColumns._ID + " IN (%s)", TextUtils.join(",", Collections.nCopies(trackIds.size(), "?")));
         contentResolver.delete(TracksColumns.CONTENT_URI, whereClause, trackIds.stream().map(id -> Long.toString(id.getId())).toArray(String[]::new));
     }
@@ -195,8 +194,6 @@ public class ContentProviderUtils {
     public void deleteTrack(Context context, @NonNull Track.Id trackId) {
         // Delete track folder resources.
         FileUtils.deleteDirectoryRecurse(FileUtils.getPhotoDir(context, trackId));
-
-        // Delete track last since it triggers a database vacuum call
         contentResolver.delete(TracksColumns.CONTENT_URI, TracksColumns._ID + "=?", new String[]{Long.toString(trackId.getId())});
     }
 

src/main/java/de/dennisguse/opentracks/data/CustomContentProvider.java

@@ -27,6 +27,7 @@ import android.database.sqlite.SQLiteDatabase;
 import android.database.sqlite.SQLiteException;
 import android.database.sqlite.SQLiteQueryBuilder;
 import android.net.Uri;
+import android.os.Bundle;
 import android.text.TextUtils;
 import android.util.Log;
 
@@ -39,6 +40,7 @@ import de.dennisguse.opentracks.data.models.TrackPoint;
 import de.dennisguse.opentracks.data.tables.MarkerColumns;
 import de.dennisguse.opentracks.data.tables.TrackPointsColumns;
 import de.dennisguse.opentracks.data.tables.TracksColumns;
+import de.dennisguse.opentracks.settings.PreferencesUtils;
 
 /**
  * A {@link ContentProvider} that handles access to track points, tracks, and markers tables.
@@ -53,6 +55,8 @@ public class CustomContentProvider extends ContentProvider {
 
     private static final String SQL_LIST_DELIMITER = ",";
 
+    private static final int TOTAL_DELETED_ROWS_VACUUM_THRESHOLD = 10000;
+
     private final UriMatcher uriMatcher;
 
     private SQLiteDatabase db;
@@ -131,14 +135,12 @@ public class CustomContentProvider extends ContentProvider {
     @Override
     public int delete(@NonNull Uri url, String where, String[] selectionArgs) {
         String table;
-        boolean shouldVacuum = false;
         switch (getUrlType(url)) {
             case TRACKPOINTS:
                 table = TrackPointsColumns.TABLE_NAME;
                 break;
             case TRACKS:
                 table = TracksColumns.TABLE_NAME;
-                shouldVacuum = true;
                 break;
             case MARKERS:
                 table = MarkerColumns.TABLE_NAME;
@@ -147,23 +149,40 @@ public class CustomContentProvider extends ContentProvider {
                 throw new IllegalArgumentException("Unknown URL " + url);
         }
 
-        Log.w(TAG, "Deleting table " + table);
-        int count;
+        Log.w(TAG, "Deleting from table " + table);
+        int totalChangesBefore = getTotalChanges();
+        int deletedRowsFromTable;
         try {
             db.beginTransaction();
-            count = db.delete(table, where, selectionArgs);
+            deletedRowsFromTable = db.delete(table, where, selectionArgs);
+            Log.i(TAG, "Deleted " + deletedRowsFromTable + " rows of table " + table);
             db.setTransactionSuccessful();
         } finally {
             db.endTransaction();
         }
         getContext().getContentResolver().notifyChange(url, null, false);
 
-        if (shouldVacuum) {
-            // If a potentially large amount of data was deleted, reclaim its space.
-            Log.i(TAG, "Vacuuming the database.");
+        int totalChanges = getTotalChanges() - totalChangesBefore;
+        Log.i(TAG, "Deleted " + totalChanges + " total rows from database");
+
+        PreferencesUtils.addTotalRowsDeleted(totalChanges);
+        int totalRowsDeleted = PreferencesUtils.getTotalRowsDeleted();
+        if (totalRowsDeleted > TOTAL_DELETED_ROWS_VACUUM_THRESHOLD) {
+            Log.i(TAG, "TotalRowsDeleted " + totalRowsDeleted + ", starting to vacuum the database.");
             db.execSQL("VACUUM");
+            PreferencesUtils.resetTotalRowsDeleted();
         }
-        return count;
+
+        return deletedRowsFromTable;
+    }
+
+    private int getTotalChanges() {
+        int totalCount;
+        try (Cursor cursor = db.rawQuery("SELECT total_changes()", null)) {
+            cursor.moveToNext();
+            totalCount = cursor.getInt(0);
+        }
+        return totalCount;
     }
 
     @Override

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

@@ -32,7 +32,6 @@ import java.util.HashSet;
 import java.util.Set;
 
 import de.dennisguse.opentracks.data.models.Marker;
-import de.dennisguse.opentracks.data.models.Speed;
 import de.dennisguse.opentracks.data.models.Track;
 import de.dennisguse.opentracks.data.models.TrackPoint;
 import de.dennisguse.opentracks.data.tables.MarkerColumns;

src/main/java/de/dennisguse/opentracks/data/models/Cadence.java

@@ -2,22 +2,35 @@ package de.dennisguse.opentracks.data.models;
 
 import androidx.annotation.NonNull;
 
+import java.time.Duration;
 import java.util.Objects;
 
 public class Cadence {
 
-    public static Cadence of(float value) {
-        return new Cadence(value);
+    public static Cadence of(float value, Duration duration) {
+        if (duration.isZero()) {
+            return zero();
+        }
+
+        return new Cadence(value / (duration.toMillis() / (float) Duration.ofMinutes(1).toMillis()));
     }
 
-    private final float value;
+    public static Cadence of(float value_rpm) {
+        return new Cadence(value_rpm);
+    }
+
+    public static Cadence zero() {
+        return of(0.0f);
+    }
+
+    private final float value_rpm;
 
     private Cadence(float value) {
-        this.value = value;
+        this.value_rpm = value;
     }
 
     public float getRPM() {
-        return value;
+        return value_rpm;
     }
 
     @Override
@@ -25,19 +38,19 @@ public class Cadence {
         if (this == o) return true;
         if (o == null || getClass() != o.getClass()) return false;
         Cadence cadence = (Cadence) o;
-        return Float.compare(cadence.value, value) == 0;
+        return Float.compare(cadence.value_rpm, value_rpm) == 0;
     }
 
     @Override
     public int hashCode() {
-        return Objects.hash(value);
+        return Objects.hash(value_rpm);
     }
 
     @NonNull
     @Override
     public String toString() {
         return "Cadence{" +
-                "value=" + value + " rpm" +
+                "value=" + value_rpm + " rpm" +
                 '}';
     }
 }

src/main/java/de/dennisguse/opentracks/data/models/Distance.java

@@ -13,6 +13,14 @@ public class Distance {
         return new Distance(distance_m);
     }
 
+    public static Distance of(Double distance_m) {
+        if (distance_m == null) {
+            return Distance.of(Double.NaN);
+        } else {
+            return Distance.of((double) distance_m);
+        }
+    }
+
     public static Distance of(String distance_m) {
         return of(Float.parseFloat(distance_m));
     }
@@ -26,15 +34,15 @@ public class Distance {
     }
 
     public static Distance ofMile(double distance_mile) {
-        return of(distance_mile * UnitConversions.MI_TO_M);
+        return of(distance_mile * MI_TO_M);
     }
 
     public static Distance ofNauticalMile(double distance_mile) {
-        return of(distance_mile * UnitConversions.NAUTICAL_MILE_TO_M);
+        return of(distance_mile * NAUTICAL_MILE_TO_M);
     }
 
     public static Distance ofKilometer(double distance_km) {
-        return of(distance_km * UnitConversions.KM_TO_M);
+        return of(distance_km * KM_TO_M);
     }
 
     public static Distance ofMM(double distance_mm) {
@@ -109,19 +117,19 @@ public class Distance {
     }
 
     public double toKM() {
-        return distance_m * UnitConversions.M_TO_KM;
+        return distance_m * M_TO_KM;
     }
 
     public double toFT() {
-        return distance_m * UnitConversions.M_TO_FT;
+        return distance_m * M_TO_FT;
     }
 
     public double toMI() {
-        return toKM() * UnitConversions.KM_TO_MI;
+        return distance_m * M_TO_MI;
     }
 
     public double toNauticalMiles() {
-        return toKM() * UnitConversions.KM_TO_NAUTICAL_MILE;
+        return distance_m * M_TO_NAUTICAL_MILE;
     }
 
     public double toKM_Miles(UnitSystem unitSystem) {
@@ -169,4 +177,17 @@ public class Distance {
                 "distance_m=" + distance_m +
                 '}';
     }
+
+    // multiplication factors for conversion
+    private static final double KM_TO_M = 1000.0;
+    private static final double M_TO_KM = 1 / KM_TO_M;
+
+    public static final double MI_TO_M = 1609.344;
+    public static final double M_TO_MI = 1 / MI_TO_M;
+
+    private static final double MI_TO_FT = 5280.0;
+    public static final double M_TO_FT = M_TO_MI * MI_TO_FT;
+
+    private static final double NAUTICAL_MILE_TO_M = 1852.0;
+    private static final double M_TO_NAUTICAL_MILE = 1 / NAUTICAL_MILE_TO_M;
 }

src/main/java/de/dennisguse/opentracks/data/models/DistanceFormatter.java

@@ -16,11 +16,14 @@ public class DistanceFormatter {
 
     private final int decimalCount;
 
+    private final double threshold;
+
     private final UnitSystem unitSystem;
 
-    private DistanceFormatter(Resources resources, int decimalCount, UnitSystem unitSystem) {
+    private DistanceFormatter(Resources resources, int decimalCount, double threshold, UnitSystem unitSystem) {
         this.resources = resources;
         this.decimalCount = decimalCount;
+        this.threshold = threshold;
         this.unitSystem = unitSystem;
         assert unitSystem != null;
     }
@@ -42,12 +45,13 @@ public class DistanceFormatter {
      */
     public Pair<String, String> getDistanceParts(Distance distance) {
         if (distance.isInvalid()) {
+            String valueUnknown = resources.getString(R.string.value_unknown);
             switch (unitSystem) {
                 case METRIC:
-                    return new Pair<>(null, resources.getString(R.string.unit_meter));
+                    return new Pair<>(valueUnknown, resources.getString(R.string.unit_meter));
                 case IMPERIAL:
                 case NAUTICAL_IMPERIAL:
-                    return new Pair<>(null, resources.getString(R.string.unit_feet));
+                    return new Pair<>(valueUnknown, resources.getString(R.string.unit_feet));
                 default:
                     throw new RuntimeException("Not implemented");
             }
@@ -55,19 +59,19 @@ public class DistanceFormatter {
 
         switch (unitSystem) {
             case METRIC:
-                if (distance.greaterThan(Distance.of(500))) {
+                if (distance.greaterThan(Distance.ofKilometer(threshold))) {
                     return new Pair<>(StringUtils.formatDecimal(distance.toKM(), decimalCount), resources.getString(R.string.unit_kilometer));
                 } else {
                     return new Pair<>(StringUtils.formatDecimal(distance.toM(), decimalCount), resources.getString(R.string.unit_meter));
                 }
             case IMPERIAL:
-                if (distance.greaterThan(Distance.ofMile(0.5))) {
+                if (distance.greaterThan(Distance.ofMile(threshold))) {
                     return new Pair<>(StringUtils.formatDecimal(distance.toMI(), decimalCount), resources.getString(R.string.unit_mile));
                 } else {
                     return new Pair<>(StringUtils.formatDecimal(distance.toFT(), decimalCount), resources.getString(R.string.unit_feet));
                 }
             case NAUTICAL_IMPERIAL:
-                if (distance.greaterThan(Distance.ofNauticalMile(0.5))) {
+                if (distance.greaterThan(Distance.ofNauticalMile(threshold))) {
                     return new Pair<>(StringUtils.formatDecimal(distance.toNauticalMiles(), decimalCount), resources.getString(R.string.unit_nautical_mile));
                 } else {
                     return new Pair<>(StringUtils.formatDecimal(distance.toFT(), decimalCount), resources.getString(R.string.unit_feet));
@@ -87,8 +91,11 @@ public class DistanceFormatter {
 
         private UnitSystem unitSystem;
 
+        private double threshold;
+
         public Builder() {
             decimalCount = 2;
+            threshold = 0.5;
         }
 
         public Builder setDecimalCount(int decimalCount) {
@@ -101,8 +108,13 @@ public class DistanceFormatter {
             return this;
         }
 
+        public Builder setThreshold(double threshold) {
+            this.threshold = threshold;
+            return this;
+        }
+
         public DistanceFormatter build(Resources resource) {
-            return new DistanceFormatter(resource, decimalCount, unitSystem);
+            return new DistanceFormatter(resource, decimalCount, threshold, unitSystem);
         }
 
         public DistanceFormatter build(Context context) {

src/main/java/de/dennisguse/opentracks/data/models/Speed.java

@@ -15,7 +15,7 @@ public class Speed {
             return zero();
         }
 
-        return new Speed(distance.toM() / (duration.toMillis() * UnitConversions.MS_TO_S));
+        return new Speed(distance.toM() / (duration.toMillis() / (double) Duration.ofSeconds(1).toMillis()));
     }
 
     public static Speed of(double speed_mps) {
@@ -85,16 +85,23 @@ public class Speed {
         return speed_mps;
     }
 
+    /**
+     * We interpret {@link Speed} here as a {@link Distance} over 1h.
+     */
+    private Distance toH() {
+        return Distance.of(speed_mps * Duration.ofHours(1).toSeconds());
+    }
+
     public double toKMH() {
-        return speed_mps * UnitConversions.MPS_TO_KMH;
+        return toH().toKM();
     }
 
     public double toMPH() {
-        return toKMH() * UnitConversions.KM_TO_MI;
+        return toH().toMI();
     }
 
     public double toKnots() {
-        return toKMH() * UnitConversions.KM_TO_NAUTICAL_MILE;
+        return toH().toNauticalMiles();
     }
 
     public Duration toPace(UnitSystem unitSystem) {
@@ -102,20 +109,7 @@ public class Speed {
             return Duration.ofSeconds(0);
         }
 
-        double distance = speed_mps;
-        switch (unitSystem) { //TODO Can we use to(UnitSystem)?
-            case METRIC:
-                distance *= UnitConversions.M_TO_KM;
-                break;
-            case IMPERIAL:
-                distance *= UnitConversions.M_TO_MI;
-                break;
-            case NAUTICAL_IMPERIAL:
-                distance *= UnitConversions.M_TO_NAUTICAL_MILE;
-                break;
-            default:
-                throw new RuntimeException("Not implemented");
-        }
+        double distance = Distance.of(speed_mps).toKM_Miles(unitSystem);
 
         return Duration.ofSeconds(Math.round(1 / distance));
     }

src/main/java/de/dennisguse/opentracks/data/models/TrackPoint.java

@@ -56,7 +56,7 @@ public class TrackPoint {
 
         SEGMENT_START_AUTOMATIC(-1), //Start of a segment due to too much distance from previous TrackPoint
         TRACKPOINT(0), //Just GPS data and may contain BLE sensor data
-        SENSORPOINT(2), //Just BLE sensor data; required to have speed and sensorDistance
+        SENSORPOINT(2), //Just BLE sensor data; may have speed and sensorDistance
 
         SEGMENT_END_MANUAL(1); //End of a segment
 

src/main/java/de/dennisguse/opentracks/data/models/UnitConversions.java

@@ -1,69 +0,0 @@
-/*
- * Copyright 2008 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not
- * use this file except in compliance with the License. You may obtain a copy of
- * the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations under
- * the License.
- */
-package de.dennisguse.opentracks.data.models;
-
-/**
- * Unit conversion constants.
- *
- * @author Sandor Dornbush
- */
-public class UnitConversions {
-
-    // Time //TODO Use Duration
-    // multiplication factor to convert seconds to milliseconds
-    @Deprecated
-    public static final long S_TO_MS = 1000;
-
-    // multiplication factor to convert milliseconds to seconds
-    @Deprecated
-    public static final double MS_TO_S = 1d / S_TO_MS;
-    // multiplication factor to convert minutes to seconds
-    @Deprecated
-    public static final double MIN_TO_S = 60.0;
-    // multiplication factor to convert seconds to minutes
-    @Deprecated
-    public static final double S_TO_MIN = 1 / MIN_TO_S;
-    // multiplication factor to convert minutes to hours
-    @Deprecated
-    public static final double MIN_TO_HR = 1 / 60.0;
-
-    // multiplication factor to convert kilometers to miles
-    public static final double KM_TO_MI = 0.621371192;
-
-    // Distance //TODO Make private to Distance class!
-    // multiplication factor to convert miles to feet
-    private static final double MI_TO_FT = 5280.0;
-    // multiplication factor to covert kilometers to meters
-    public static final double KM_TO_M = 1000.0;
-    // multiplication factor to convert meters to kilometers
-    public static final double M_TO_KM = 1 / KM_TO_M;
-    // multiplication factor to convert meters to miles
-    public static final double M_TO_MI = M_TO_KM * KM_TO_MI;
-    // multiplication factor to convert meters to feet
-    public static final double M_TO_FT = M_TO_MI * MI_TO_FT;
-    public static final double NAUTICAL_MILE_TO_M = 1852.0;
-    public static final double M_TO_NAUTICAL_MILE = 1 / NAUTICAL_MILE_TO_M;
-    public static final double KM_TO_NAUTICAL_MILE = 1000 * M_TO_NAUTICAL_MILE;
-    // multiplication factor to convert meters per second to kilometers per hour
-    public static final double MPS_TO_KMH = M_TO_KM / (S_TO_MIN * MIN_TO_HR);
-    // multiplication factor to convert miles to km
-    public static final double MI_TO_KM = 1 / KM_TO_MI;
-    // multiplication factor to convert miles to m
-    public static final double MI_TO_M = MI_TO_KM * KM_TO_M;
-
-    private UnitConversions() {
-    }
-}

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

@@ -182,7 +182,7 @@ public class StatisticsRecordedFragment extends Fragment {
     private void loadTrackDescription(@NonNull Track track) {
         viewBinding.statsNameValue.setText(track.getName());
         viewBinding.statsDescriptionValue.setText(track.getDescription());
-        viewBinding.statsStartDatetimeValue.setText(StringUtils.formatDateTime(track.getStartTime()));
+        viewBinding.statsStartDatetimeValue.setText(StringUtils.formatDateTimeWithOffsetIfDifferent(track.getStartTime()));
     }
 
     private void updateUI() {

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

@@ -17,8 +17,8 @@ import androidx.documentfile.provider.DocumentFile;
 
 import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.io.file.exporter.ExportActivity;
-import de.dennisguse.opentracks.util.IntentUtils;
 import de.dennisguse.opentracks.settings.PreferencesUtils;
+import de.dennisguse.opentracks.util.IntentUtils;
 
 public abstract class DirectoryChooserActivity extends AppCompatActivity {
 

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

@@ -25,6 +25,7 @@ import de.dennisguse.opentracks.data.models.Marker;
 import de.dennisguse.opentracks.data.models.Speed;
 import de.dennisguse.opentracks.data.models.Track;
 import de.dennisguse.opentracks.data.models.TrackPoint;
+import de.dennisguse.opentracks.settings.PreferencesUtils;
 import de.dennisguse.opentracks.stats.TrackStatistics;
 import de.dennisguse.opentracks.stats.TrackStatisticsUpdater;
 import de.dennisguse.opentracks.ui.markers.MarkerUtils;
@@ -290,4 +291,5 @@ public class TrackImporter {
     public void cleanImport() {
         contentProviderUtils.deleteTracks(context, trackIds);
     }
+
 }

src/main/java/de/dennisguse/opentracks/publicapi/AbstractAPIActivity.java

@@ -6,6 +6,7 @@ import android.widget.Toast;
 
 import androidx.annotation.Nullable;
 import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.splashscreen.SplashScreen;
 
 import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.services.TrackRecordingService;
@@ -30,11 +31,14 @@ public abstract class AbstractAPIActivity extends AppCompatActivity {
 
     @Override
     protected void onCreate(@Nullable Bundle savedInstanceState) {
+        SplashScreen splashScreen = SplashScreen.installSplashScreen(this);
         super.onCreate(savedInstanceState);
+        splashScreen.setKeepOnScreenCondition(() -> true );
+
         if (PreferencesUtils.isPublicAPIenabled()) {
             Log.i(TAG, "Received and trying to execute requested action.");
             new TrackRecordingServiceConnection(serviceConnectedCallback)
-                    .startAndBind(this);
+                    .startAndBind(this, isStartServiceForeground());
         } else {
             Toast.makeText(this, getString(R.string.settings_public_api_disabled_toast), Toast.LENGTH_LONG).show();
             Log.w(TAG, "Public API is disabled; ignoring request.");
@@ -42,6 +46,10 @@ public abstract class AbstractAPIActivity extends AppCompatActivity {
         }
     }
 
+    protected boolean isStartServiceForeground() {
+        return false;
+    }
+
     protected abstract void execute(TrackRecordingService service);
 
     protected abstract boolean isPostExecuteStopService();

src/main/java/de/dennisguse/opentracks/publicapi/StartRecording.java

@@ -2,28 +2,68 @@ package de.dennisguse.opentracks.publicapi;
 
 import android.os.Bundle;
 
+import androidx.annotation.NonNull;
+
+import de.dennisguse.opentracks.data.ContentProviderUtils;
 import de.dennisguse.opentracks.data.models.Track;
 import de.dennisguse.opentracks.services.TrackRecordingService;
 import de.dennisguse.opentracks.settings.PreferencesUtils;
 import de.dennisguse.opentracks.util.IntentDashboardUtils;
+import de.dennisguse.opentracks.util.TrackUtils;
 
 public class StartRecording extends AbstractAPIActivity {
+
+    public static final String EXTRA_TRACK_NAME = "TRACK_NAME";
+    public static final String EXTRA_TRACK_CATEGORY = "TRACK_CATEGORY";
+    public static final String EXTRA_TRACK_ICON = "TRACK_ICON";
+    public static final String EXTRA_TRACK_DESCRIPTION = "TRACK_DESCRIPTION";
+
+    public static final String EXTRA_STATS_TARGET_PACKAGE = "STATS_TARGET_PACKAGE";
+    public static final String EXTRA_STATS_TARGET_CLASS = "STATS_TARGET_CLASS";
+
     private static final String TAG = StartRecording.class.getSimpleName();
 
     protected void execute(TrackRecordingService service) {
         Track.Id trackId = service.startNewTrack();
-        if ((trackId != null) && (PreferencesUtils.isPublicAPIDashboardEnabled())) {
+        if (trackId != null) {
             Bundle bundle = getIntent().getExtras();
             if (bundle != null) {
-                String targetPackage = bundle.getString("STATS_TARGET_PACKAGE", null);
-                String targetClass = bundle.getString("STATS_TARGET_CLASS", null);
-                IntentDashboardUtils.startDashboard(this, true, targetPackage, targetClass, trackId);
+                updateTrackMetadata(trackId, bundle);
+
+                if (PreferencesUtils.isPublicAPIDashboardEnabled()) {
+                    startDashboardAPI(trackId, bundle);
+                }
             }
         }
     }
 
+    private void updateTrackMetadata(@NonNull Track.Id trackId, @NonNull Bundle bundle) {
+        ContentProviderUtils contentProviderUtils = new ContentProviderUtils(this);
+        Track track = contentProviderUtils.getTrack(trackId);
+
+        TrackUtils.updateTrack(this, track,
+                bundle.getString(EXTRA_TRACK_NAME, null),
+                bundle.getString(EXTRA_TRACK_CATEGORY, null),
+                bundle.getString(EXTRA_TRACK_ICON, null),
+                bundle.getString(EXTRA_TRACK_DESCRIPTION, null),
+                contentProviderUtils);
+    }
+
+    private void startDashboardAPI(@NonNull Track.Id trackId, @NonNull Bundle bundle) {
+        String targetPackage = bundle.getString(EXTRA_STATS_TARGET_PACKAGE, null);
+        String targetClass = bundle.getString(EXTRA_STATS_TARGET_CLASS, null);
+        if (targetClass != null && targetPackage != null) {
+            IntentDashboardUtils.startDashboard(this, true, targetPackage, targetClass, trackId);
+        }
+    }
+
     @Override
     protected boolean isPostExecuteStopService() {
         return false;
     }
+
+    @Override
+    protected boolean isStartServiceForeground() {
+        return true;
+    }
 }

src/main/java/de/dennisguse/opentracks/sensors/AltitudeSumManager.java

@@ -5,12 +5,15 @@ import android.hardware.Sensor;
 import android.hardware.SensorEvent;
 import android.hardware.SensorEventListener;
 import android.hardware.SensorManager;
+import android.os.Handler;
 import android.util.Log;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 
+import java.util.concurrent.TimeUnit;
+
 import de.dennisguse.opentracks.data.models.TrackPoint;
 
 /**
@@ -29,7 +32,7 @@ public class AltitudeSumManager implements SensorEventListener {
     private Float altitudeGain_m;
     private Float altitudeLoss_m;
 
-    public void start(Context context) {
+    public void start(Context context, Handler handler) {
         SensorManager sensorManager = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);
 
         Sensor pressureSensor = sensorManager.getDefaultSensor(Sensor.TYPE_PRESSURE);
@@ -37,7 +40,7 @@ public class AltitudeSumManager implements SensorEventListener {
             Log.w(TAG, "No pressure sensor available.");
             isConnected = false;
         } else {
-            isConnected = sensorManager.registerListener(this, pressureSensor, SensorManager.SENSOR_DELAY_FASTEST);
+            isConnected = sensorManager.registerListener(this, pressureSensor, (int) TimeUnit.SECONDS.toMicros(5), handler);
         }
 
         lastAcceptedPressureValue_hPa = Float.NaN;

src/main/java/de/dennisguse/opentracks/sensors/BluetoothRemoteSensorManager.java

@@ -35,7 +35,7 @@ import de.dennisguse.opentracks.sensors.sensorData.SensorDataCycling;
 import de.dennisguse.opentracks.sensors.sensorData.SensorDataRunning;
 import de.dennisguse.opentracks.sensors.sensorData.SensorDataSet;
 import de.dennisguse.opentracks.settings.PreferencesUtils;
-import de.dennisguse.opentracks.util.PermissionUtils;
+import de.dennisguse.opentracks.util.PermissionRequester;
 
 /**
  * Bluetooth LE sensor manager: manages connections to Bluetooth LE sensors.
@@ -162,7 +162,7 @@ public class BluetoothRemoteSensorManager implements BluetoothConnectionManager.
         } else {
             connectionManager.disconnect();
         }
-        if (!PermissionUtils.hasBluetoothPermissions(context)) {
+        if (!PermissionRequester.BLUETOOTH.hasPermission(context)) {
             Log.w(TAG, "BLUETOOTH_SCAN and/or BLUETOOTH_CONNECT not granted; not connecting.");
         }
 

src/main/java/de/dennisguse/opentracks/sensors/sensorData/SensorDataCycling.java

@@ -11,7 +11,6 @@ import java.time.Duration;
 import de.dennisguse.opentracks.data.models.Cadence;
 import de.dennisguse.opentracks.data.models.Distance;
 import de.dennisguse.opentracks.data.models.Speed;
-import de.dennisguse.opentracks.data.models.UnitConversions;
 import de.dennisguse.opentracks.sensors.UintUtils;
 
 /**
@@ -68,8 +67,9 @@ public final class SensorDataCycling {
 
         public void compute(CyclingCadence previous) {
             if (hasData() && previous != null && previous.hasData()) {
-                float timeDiff_ms = UintUtils.diff(crankRevolutionsTime, previous.crankRevolutionsTime, UintUtils.UINT16_MAX) / 1024f * UnitConversions.S_TO_MS;
-                if (timeDiff_ms <= 0) {
+                float timeDiff_ms = UintUtils.diff(crankRevolutionsTime, previous.crankRevolutionsTime, UintUtils.UINT16_MAX) / 1024f * 1000;
+                Duration timeDiff = Duration.ofMillis((long) timeDiff_ms);
+                if (timeDiff.isZero() || timeDiff.isNegative()) {
                     Log.e(TAG, "Timestamps difference is invalid: cannot compute cadence.");
                     value = null;
                     return;
@@ -82,8 +82,7 @@ public final class SensorDataCycling {
                 }
 
                 long crankDiff = UintUtils.diff(crankRevolutionsCount, previous.crankRevolutionsCount, UintUtils.UINT32_MAX);
-                float cadence_ms = crankDiff / timeDiff_ms;
-                value = Cadence.of((float) (cadence_ms / UnitConversions.MS_TO_S / UnitConversions.S_TO_MIN));
+                value = Cadence.of(crankDiff, timeDiff);
             }
         }
 
@@ -147,7 +146,7 @@ public final class SensorDataCycling {
 
         public void compute(DistanceSpeed previous, Distance wheelCircumference) {
             if (hasData() && previous != null && previous.hasData()) {
-                float timeDiff_ms = UintUtils.diff(wheelRevolutionsTime, previous.wheelRevolutionsTime, UintUtils.UINT16_MAX) / 1024f * UnitConversions.S_TO_MS;
+                float timeDiff_ms = UintUtils.diff(wheelRevolutionsTime, previous.wheelRevolutionsTime, UintUtils.UINT16_MAX) / 1024f * 1000;
                 Duration timeDiff = Duration.ofMillis((long) timeDiff_ms);
                 if (timeDiff.isZero() || timeDiff.isNegative()) {
                     Log.e(TAG, "Timestamps difference is invalid: cannot compute speed.");

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

@@ -15,12 +15,14 @@ import androidx.lifecycle.LiveData;
 import androidx.lifecycle.MutableLiveData;
 
 import java.util.ArrayList;
+import java.util.List;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 
 import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.data.ContentProviderUtils;
 import de.dennisguse.opentracks.data.models.Track;
+import de.dennisguse.opentracks.settings.PreferencesUtils;
 
 public class TrackDeleteService extends Service {
 
@@ -31,7 +33,7 @@ public class TrackDeleteService extends Service {
 
     private final Binder binder = new Binder();
     private ExecutorService serviceExecutor;
-    private MutableLiveData<DeleteStatus> deleteResultObservable;
+    private MutableLiveData<DeletionFinishedStatus> deleteResultObservable;
     private NotificationManager notificationManager;
     private NotificationCompat.Builder notificationBuilder;
 
@@ -59,22 +61,18 @@ public class TrackDeleteService extends Service {
         return START_NOT_STICKY;
     }
 
-    private void deleteTracks(@NonNull ArrayList<Track.Id> trackIds) {
-        sendResult(null,0, trackIds.size());
+    private void deleteTracks(@NonNull List<Track.Id> trackIds) {
         serviceExecutor.execute(() -> {
             ContentProviderUtils contentProviderUtils = new ContentProviderUtils(this);
-            for (int i = 0; i < trackIds.size(); i++) {
-                updateNotification(i + 1, trackIds.size());
-                contentProviderUtils.deleteTrack(this, trackIds.get(i));
-                sendResult(trackIds.get(i), i + 1, trackIds.size());
-            }
+            contentProviderUtils.deleteTracks(this, trackIds);
+            sendResult(trackIds);
             stopSelf();
         });
     }
 
-    private void sendResult(Track.Id trackId, int deletes, int total) {
+    private void sendResult(List<Track.Id> trackIds) {
         if (deleteResultObservable != null) {
-            deleteResultObservable.postValue(new DeleteStatus(trackId, deletes, total));
+            deleteResultObservable.postValue(new DeletionFinishedStatus(trackIds));
         }
     }
 
@@ -83,7 +81,7 @@ public class TrackDeleteService extends Service {
         return binder;
     }
 
-    public LiveData<DeleteStatus> getDeletingStatusObservable() {
+    public LiveData<DeletionFinishedStatus> getDeletingStatusObservable() {
         return deleteResultObservable;
     }
 
@@ -106,25 +104,13 @@ public class TrackDeleteService extends Service {
         notificationBuilder = new NotificationCompat.Builder(this, CHANNEL_ID);
         notificationBuilder
                 .setContentTitle(this.getString(R.string.track_delete_progress_message))
-                .setContentText(this.getString(R.string.track_delete_progress, 0, tracksToDelete))
+                .setContentText(this.getString(R.string.track_delete_number_of_tracks, tracksToDelete))
                 .setSmallIcon(R.drawable.ic_logo_color_24dp)
-                .setProgress(tracksToDelete, 0, false);
+                .setProgress(0, 0, true);
 
         startForeground(NOTIFICATION_ID, notificationBuilder.build());
     }
 
-    /**
-     * Updates notification progress.
-     *
-     * @param progress number of tracks already deleted.
-     * @param total    total of tracks to be deleted.
-     */
-    private void updateNotification(int progress, int total) {
-        notificationBuilder.setProgress(total, progress, false);
-        notificationBuilder.setContentText(this.getString(R.string.track_delete_progress, progress, total));
-        notificationManager.notify(NOTIFICATION_ID, notificationBuilder.build());
-    }
-
     public class Binder extends android.os.Binder {
 
         private Binder() {
@@ -136,36 +122,25 @@ public class TrackDeleteService extends Service {
         }
     }
 
-    public static class DeleteStatus {
-        private final int progress;
-        private final int max;
-        private final Track.Id trackId;
+    public static class DeletionFinishedStatus {
+        private final List<Track.Id> trackIds;
 
         /**
-         * @param trackId  Track.Id just deleted if any.
-         * @param progress number of deletes.
-         * @param max      total of deletes to be done.
+         * @param trackIds List of deleted Track.Ids.
          */
-        private DeleteStatus(@Nullable Track.Id trackId, int progress, int max) {
-            this.trackId = trackId;
-            this.progress = progress;
-            this.max = max;
-        }
-
-        public boolean isFinished() {
-            return progress == max;
+        private DeletionFinishedStatus(@Nullable List<Track.Id> trackIds) {
+            this.trackIds = trackIds;
         }
 
         public boolean isDeleted(Track.Id trackId) {
-            return this.trackId != null && this.trackId.equals(trackId);
+            return this.trackIds != null && this.trackIds.contains(trackId);
         }
 
         @NonNull
         @Override
         public String toString() {
             return "DeleteStatus{" +
-                    "number of deletes=" + progress +
-                    ", total=" + max +
+                    "trackIds=" + trackIds +
                     '}';
         }
     }

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

@@ -10,6 +10,7 @@ import android.util.Pair;
 
 import androidx.annotation.NonNull;
 
+import java.time.Duration;
 import java.time.ZoneOffset;
 
 import de.dennisguse.opentracks.R;
@@ -180,8 +181,16 @@ class TrackRecordingManager implements SharedPreferences.OnSharedPreferenceChang
         }
 
         if (!trackPoint.hasLocation() && !trackPoint.hasSensorDistance()) {
-            Log.d(TAG, "Ignoring TrackPoint as it has no distance.");
-            return false;
+            Duration minStorageInterval = Duration.ofSeconds(10); // TODO Should be configurable.
+            boolean shouldStore = lastStoredTrackPoint.getTime().plus(minStorageInterval)
+                    .isBefore(trackPoint.getTime());
+            if (!shouldStore) {
+                Log.d(TAG, "Ignoring TrackPoint as it has no distance (and sensor data is not new enough).");
+                return false;
+            } else {
+                insertTrackPoint(trackPoint, true);
+                return true;
+            }
         }
 
         Distance distanceToLastStoredTrackPoint;

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

@@ -129,7 +129,8 @@ public class TrackRecordingService extends Service implements TrackPointCreator.
         trackRecordingManager = null;
 
         // Reverse order from onCreate
-        showNotification(false); //TODO Why?
+        stopForeground(true);
+
         notificationManager.stop();
         notificationManager = null;
 
@@ -205,7 +206,7 @@ public class TrackRecordingService extends Service implements TrackPointCreator.
     private void startSensors() {
         wakeLock = SystemUtils.acquireWakeLock(this, wakeLock);
         trackPointCreator.start(this, handler);
-        showNotification(true);
+        startForeground(TrackRecordingServiceNotificationManager.NOTIFICATION_ID, notificationManager.setGPSonlyStarted(this));
     }
 
     public void endCurrentTrack() {
@@ -247,7 +248,8 @@ public class TrackRecordingService extends Service implements TrackPointCreator.
         if (!isRecording()) return;
 
         trackPointCreator.stop();
-        showNotification(false);
+        stopForeground(true);
+        notificationManager.cancelNotification();
         wakeLock = SystemUtils.releaseWakeLock(wakeLock);
     }
 
@@ -273,19 +275,6 @@ public class TrackRecordingService extends Service implements TrackPointCreator.
         }
     }
 
-    private void showNotification(boolean isGpsStarted) {
-        if (isRecording()) {
-            startForeground(TrackRecordingServiceNotificationManager.NOTIFICATION_ID, notificationManager.setRecording(this, recordingStatus.getTrackId()));
-        }
-        if (!isRecording() && isGpsStarted) {
-            startForeground(TrackRecordingServiceNotificationManager.NOTIFICATION_ID, notificationManager.setGPSonlyStarted(this));
-        }
-        if (!isRecording() && !isGpsStarted) {
-            stopForeground(true);
-            notificationManager.cancelNotification();
-        }
-    }
-
     public Marker.Id insertMarker(String name, String category, String description, String photoUrl) {
         if (!isRecording()) {
             return null;

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

@@ -28,6 +28,7 @@ import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.core.content.ContextCompat;
 
 import de.dennisguse.opentracks.BuildConfig;
 import de.dennisguse.opentracks.R;
@@ -66,15 +67,21 @@ public class TrackRecordingServiceConnection implements ServiceConnection, Death
 
     /**
      * Starts and binds the service.
+     *
+     * @param foreground is the service expected to call `startForeground()`?
      */
-    public void startAndBind(Context context) {
+    public void startAndBind(Context context, boolean foreground) {
         if (trackRecordingService != null) {
             // Service is already started and bound.
             return;
         }
 
         Log.i(TAG, "Starting the service.");
-        context.startService(new Intent(context, TrackRecordingService.class));
+        if (foreground) {
+            ContextCompat.startForegroundService(context, new Intent(context, TrackRecordingService.class));
+        } else {
+            context.startService(new Intent(context, TrackRecordingService.class));
+        }
 
         startConnection(context);
     }
@@ -88,7 +95,7 @@ public class TrackRecordingServiceConnection implements ServiceConnection, Death
     @Deprecated
     public void startAndBindWithCallback(Context context) {
         if (trackRecordingService == null) {
-            startAndBind(context);
+            startAndBind(context, false);
             return;
         }
         if (callback != null) {

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

@@ -68,6 +68,7 @@ class TrackRecordingServiceNotificationManager implements SharedPreferences.OnSh
     }
 
     void stop() {
+        cancelNotification();
         PreferencesUtils.unregisterOnSharedPreferenceChangeListener(this);
     }
 

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

@@ -17,6 +17,7 @@
 package de.dennisguse.opentracks.services.announcement;
 
 import android.content.Context;
+import android.media.AudioAttributes;
 import android.media.AudioManager;
 import android.media.MediaPlayer;
 import android.speech.tts.TextToSpeech;
@@ -34,8 +35,8 @@ import de.dennisguse.opentracks.data.ContentProviderUtils;
 import de.dennisguse.opentracks.data.TrackPointIterator;
 import de.dennisguse.opentracks.data.models.Distance;
 import de.dennisguse.opentracks.data.models.Track;
+import de.dennisguse.opentracks.data.models.TrackPoint;
 import de.dennisguse.opentracks.settings.PreferencesUtils;
-import de.dennisguse.opentracks.settings.UnitSystem;
 import de.dennisguse.opentracks.stats.SensorStatistics;
 import de.dennisguse.opentracks.stats.TrackStatistics;
 import de.dennisguse.opentracks.ui.intervals.IntervalStatistics;
@@ -56,6 +57,10 @@ public class VoiceAnnouncement {
     private final AudioManager audioManager;
 
     private final ContentProviderUtils contentProviderUtils;
+    private TrackPoint.Id startTrackPointId = null;
+
+    private IntervalStatistics intervalStatistics;
+    private Distance intervalDistance;
 
     private final AudioManager.OnAudioFocusChangeListener audioFocusChangeListener = new AudioManager.OnAudioFocusChangeListener() {
         @Override
@@ -116,6 +121,8 @@ public class VoiceAnnouncement {
         this.context = context;
         audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
         contentProviderUtils = new ContentProviderUtils(context);
+        intervalDistance = PreferencesUtils.getVoiceAnnouncementDistance();
+        intervalStatistics = new IntervalStatistics(intervalDistance);
     }
 
     public void start() {
@@ -132,7 +139,10 @@ public class VoiceAnnouncement {
             if (ttsFallback == null) {
                 Log.w(TAG, "MediaPlayer for ttsFallback could not be created.");
             } else {
-                ttsFallback.setAudioStreamType(AUDIO_STREAM);
+                ttsFallback.setAudioAttributes(
+                        new AudioAttributes.Builder()
+                                .setContentType(AudioAttributes.CONTENT_TYPE_SPEECH)
+                                .build());
                 ttsFallback.setLooping(false);
             }
         }
@@ -165,21 +175,22 @@ public class VoiceAnnouncement {
             return;
         }
 
+        Distance currentIntervalDistance = PreferencesUtils.getVoiceAnnouncementDistance();
+        if (currentIntervalDistance != intervalDistance) {
+            intervalStatistics = new IntervalStatistics(currentIntervalDistance);
+            intervalDistance = currentIntervalDistance;
+            startTrackPointId = null;
+        }
 
-        UnitSystem unitSystem = PreferencesUtils.getUnitSystem();
-        boolean isReportSpeed = PreferencesUtils.isReportSpeed(track.getCategory());
-
-        //TODO Do not load all trackpoints for every announcement
-        TrackPointIterator trackPointIterator = contentProviderUtils.getTrackPointLocationIterator(track.getId(), null);
-        IntervalStatistics intervalStatistics = new IntervalStatistics(Distance.one(unitSystem));
-        intervalStatistics.addTrackPoints(trackPointIterator);
+        TrackPointIterator trackPointIterator = new TrackPointIterator(contentProviderUtils, track.getId(), startTrackPointId);
+        startTrackPointId = intervalStatistics.addTrackPoints(trackPointIterator);
         IntervalStatistics.Interval lastInterval = intervalStatistics.getLastInterval();
         SensorStatistics sensorStatistics = null;
         if (track.getId() != null) {
             sensorStatistics = contentProviderUtils.getSensorStats(track.getId());
         }
 
-        Spannable announcement = VoiceAnnouncementUtils.getAnnouncement(context, track.getTrackStatistics(), unitSystem, isReportSpeed, lastInterval, sensorStatistics);
+        Spannable announcement = VoiceAnnouncementUtils.getAnnouncement(context, track.getTrackStatistics(), PreferencesUtils.getUnitSystem(), PreferencesUtils.isReportSpeed(track.getCategory()), lastInterval, sensorStatistics);
 
         if (announcement.length() > 0) {
             // We don't care about the utterance id. It is supplied here to force onUtteranceCompleted to be called.

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

@@ -5,8 +5,8 @@ import static de.dennisguse.opentracks.settings.PreferencesUtils.shouldVoiceAnno
 import static de.dennisguse.opentracks.settings.PreferencesUtils.shouldVoiceAnnounceAverageSpeedPace;
 import static de.dennisguse.opentracks.settings.PreferencesUtils.shouldVoiceAnnounceLapHeartRate;
 import static de.dennisguse.opentracks.settings.PreferencesUtils.shouldVoiceAnnounceLapSpeedPace;
-import static de.dennisguse.opentracks.settings.PreferencesUtils.shouldVoiceAnnounceTotalDistance;
 import static de.dennisguse.opentracks.settings.PreferencesUtils.shouldVoiceAnnounceMovingTime;
+import static de.dennisguse.opentracks.settings.PreferencesUtils.shouldVoiceAnnounceTotalDistance;
 
 import android.content.Context;
 import android.text.Spannable;

src/main/java/de/dennisguse/opentracks/services/handlers/GPSHandler.java

@@ -19,7 +19,7 @@ import de.dennisguse.opentracks.data.models.Distance;
 import de.dennisguse.opentracks.data.models.TrackPoint;
 import de.dennisguse.opentracks.settings.PreferencesUtils;
 import de.dennisguse.opentracks.util.LocationUtils;
-import de.dennisguse.opentracks.util.PermissionUtils;
+import de.dennisguse.opentracks.util.PermissionRequester;
 
 @VisibleForTesting(otherwise = VisibleForTesting.PACKAGE_PRIVATE)
 public class GPSHandler implements LocationListener, GpsStatus.GpsStatusListener, SharedPreferences.OnSharedPreferenceChangeListener {
@@ -54,7 +54,7 @@ public class GPSHandler implements LocationListener, GpsStatus.GpsStatusListener
     //TODO upgrade to AGP7.0.0/API31 started complaining about removeUpdates.
     public void onStop() {
         if (locationManager != null && context != null) {
-            if (PermissionUtils.hasGPSPermission(context)) {
+            if (PermissionRequester.GPS.hasPermission(context)) {
                 locationManager.removeUpdates(this);
             }
             locationManager = null;
@@ -152,7 +152,7 @@ public class GPSHandler implements LocationListener, GpsStatus.GpsStatusListener
             Log.e(TAG, "Not started.");
             return;
         }
-        if (PermissionUtils.hasGPSPermission(context)) {
+        if (PermissionRequester.GPS.hasPermission(context)) {
             try {
                 locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, gpsInterval.toMillis(), 0, this);
             } catch (SecurityException e) {

src/main/java/de/dennisguse/opentracks/services/handlers/GpsStatus.java

@@ -23,7 +23,7 @@ class GpsStatus {
     private static final String TAG = GpsStatus.class.getSimpleName();
 
     // The duration that GpsStatus waits from minimal interval to consider GPS lost.
-    private static final Duration SIGNAL_LOST_THRESHOLD = Duration.ofSeconds(10);
+    private static final Duration SIGNAL_LOST_THRESHOLD = Duration.ofSeconds(30);
 
     private Distance thresholdHorizontalAccuracy;
     // Threshold for time without points.

src/main/java/de/dennisguse/opentracks/services/handlers/TrackPointCreator.java

@@ -58,7 +58,7 @@ public class TrackPointCreator implements BluetoothRemoteSensorManager.SensorDat
         altitudeSumManager = new AltitudeSumManager();
 
         remoteSensorManager.start();
-        altitudeSumManager.start(context);
+        altitudeSumManager.start(context, handler);
 
     }
 

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

@@ -8,9 +8,6 @@ import androidx.preference.Preference;
 import androidx.preference.PreferenceFragmentCompat;
 
 import de.dennisguse.opentracks.R;
-import de.dennisguse.opentracks.services.RecordingStatus;
-import de.dennisguse.opentracks.services.TrackRecordingService;
-import de.dennisguse.opentracks.services.TrackRecordingServiceConnection;
 
 public class MainSettingsFragment extends PreferenceFragmentCompat {
 

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

@@ -323,7 +323,7 @@ public class PreferencesUtils {
         UnitSystem unitSystem = getUnitSystem();
 
         DistanceFormatter formatter = DistanceFormatter.Builder()
-                .setDecimalCount(1)
+                .setDecimalCount(0)
                 .setUnit(unitSystem)
                 .build(resources);
         for (int i = 0; i < values.length; i++) {
@@ -417,7 +417,8 @@ public class PreferencesUtils {
 
         DistanceFormatter formatter = DistanceFormatter.Builder()
                 .setUnit(unitSystem)
-                .setDecimalCount(1)
+                .setDecimalCount(0)
+                .setThreshold(Double.MAX_VALUE)
                 .build(resources);
         for (int i = 0; i < entryValues.length; i++) {
             int value = Integer.parseInt(entryValues[i]);
@@ -461,7 +462,8 @@ public class PreferencesUtils {
         UnitSystem unitSystem = getUnitSystem();
 
         DistanceFormatter formatter = DistanceFormatter.Builder()
-                .setDecimalCount(1)
+                .setDecimalCount(0)
+                .setThreshold(Double.MAX_VALUE)
                 .setUnit(unitSystem)
                 .build(resources);
         for (int i = 0; i < entryValues.length; i++) {
@@ -534,7 +536,8 @@ public class PreferencesUtils {
         UnitSystem unitSystem = getUnitSystem();
 
         DistanceFormatter formatter = DistanceFormatter.Builder()
-                .setDecimalCount(1)
+                .setDecimalCount(0)
+                .setThreshold(Double.MAX_VALUE)
                 .setUnit(unitSystem)
                 .build(resources);
 
@@ -826,4 +829,17 @@ public class PreferencesUtils {
         return getString(R.string.show_on_map_format_key, IntentDashboardUtils.PREFERENCE_ID_ASK);
     }
 
+    public static int getTotalRowsDeleted() {
+        return getInt(R.string.total_rows_deleted_key, 0);
+    }
+
+    public static void addTotalRowsDeleted(final int totalRowsDeletedToAdd) {
+        int newTotalRowsDeleted = getTotalRowsDeleted() + totalRowsDeletedToAdd;
+        setInt(R.string.total_rows_deleted_key, newTotalRowsDeleted);
+    }
+
+    public static void resetTotalRowsDeleted() {
+        setInt(R.string.total_rows_deleted_key, 0);
+    }
+
 }

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

@@ -4,6 +4,7 @@ import android.os.Bundle;
 
 import androidx.preference.PreferenceFragmentCompat;
 
+import de.dennisguse.opentracks.BuildConfig;
 import de.dennisguse.opentracks.R;
 
 public class PublicAPISettingsFragment extends PreferenceFragmentCompat {
@@ -17,5 +18,7 @@ public class PublicAPISettingsFragment extends PreferenceFragmentCompat {
     public void onStart() {
         super.onStart();
         ((SettingsActivity) getActivity()).getSupportActionBar().setTitle(R.string.settings_api_title);
+        findPreference(getString(R.string.publicapi_package_key))
+                .setSummary(BuildConfig.APPLICATION_ID);
     }
 }

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

@@ -11,7 +11,6 @@ import androidx.preference.PreferenceFragmentCompat;
 import de.dennisguse.opentracks.AbstractActivity;
 import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.databinding.SettingsBinding;
-import de.dennisguse.opentracks.databinding.TrackRecordedBinding;
 import de.dennisguse.opentracks.fragments.ChooseActivityTypeDialogFragment;
 
 public class SettingsActivity extends AbstractActivity implements ChooseActivityTypeDialogFragment.ChooseActivityTypeCaller {

src/main/java/de/dennisguse/opentracks/settings/bluetooth/BluetoothLeSensorPreference.java

@@ -29,7 +29,7 @@ import java.util.stream.Collectors;
 import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.sensors.BluetoothUtils;
 import de.dennisguse.opentracks.settings.PreferencesUtils;
-import de.dennisguse.opentracks.util.PermissionUtils;
+import de.dennisguse.opentracks.util.PermissionRequester;
 
 /**
  * Preference to select a discoverable Bluetooth LE device.
@@ -145,20 +145,18 @@ public abstract class BluetoothLeSensorPreference extends DialogPreference {
             bluetoothIcon = AnimatedVectorDrawableCompat.create(getContext(), R.drawable.ic_bluetooth_searching_animated_24dp);
             bluetoothIcon.start();
 
-            if (!PermissionUtils.hasBluetoothPermissions(getContext())) {
-                PermissionUtils.requestBluetoothPermission(this,
-                        this::startBluetoothScan,
-                        () -> {
-                            if (PermissionUtils.shouldShowRequestPermissionRationaleBluetooth(this)) {
-                                Toast.makeText(getContext(), R.string.permission_bluetooth_failed_rejected, Toast.LENGTH_LONG).show();
-                            } else {
-                                Toast.makeText(getContext(), R.string.permission_bluetooth_failed, Toast.LENGTH_SHORT).show();
-                            }
-                            dismiss();
-                        });
-            } else {
-                startBluetoothScan();
-            }
+            PermissionRequester.BLUETOOTH.requestPermissionsIfNeeded(getContext(), this,
+                    this::startBluetoothScan,
+                    (requester) -> {
+                        if (requester.shouldShowRequestPermissionRationale(this)) {
+                            Toast.makeText(getContext(), R.string.permission_bluetooth_failed_rejected, Toast.LENGTH_LONG).show();
+                        } else {
+                            Toast.makeText(getContext(), R.string.permission_bluetooth_failed, Toast.LENGTH_SHORT).show();
+                        }
+                        dismiss();
+                    });
+
+            startBluetoothScan();
         }
 
         private void startBluetoothScan() {

src/main/java/de/dennisguse/opentracks/share/DescriptionGenerator.java

@@ -30,7 +30,6 @@ import de.dennisguse.opentracks.data.models.Distance;
 import de.dennisguse.opentracks.data.models.Speed;
 import de.dennisguse.opentracks.data.models.SpeedFormatter;
 import de.dennisguse.opentracks.data.models.Track;
-import de.dennisguse.opentracks.data.models.UnitConversions;
 import de.dennisguse.opentracks.settings.UnitSystem;
 import de.dennisguse.opentracks.stats.TrackStatistics;
 import de.dennisguse.opentracks.util.StringUtils;
@@ -154,7 +153,7 @@ public class DescriptionGenerator {
         }
 
         // Recorded time
-        builder.append(context.getString(R.string.description_recorded_time, StringUtils.formatDateTime(OffsetDateTime.ofInstant(stats.getStartTime(), ZoneId.systemDefault()))));
+        builder.append(context.getString(R.string.description_recorded_time, StringUtils.formatDateTimeWithOffset(OffsetDateTime.ofInstant(stats.getStartTime(), ZoneId.systemDefault()))));
         builder.append(lineBreak);
 
         return builder.toString();
@@ -230,7 +229,7 @@ public class DescriptionGenerator {
     @VisibleForTesting
     void writeAltitude(double altitude_m, StringBuilder builder, int resId, String lineBreak) {
         long altitudeInM = Math.round(altitude_m);
-        long altitudeInFt = Math.round(altitude_m * UnitConversions.M_TO_FT);
+        long altitudeInFt = Math.round(Distance.of(altitude_m).toFT());
         builder.append(context.getString(resId, altitudeInM, altitudeInFt));
         builder.append(lineBreak);
     }

src/main/java/de/dennisguse/opentracks/stats/TrackStatisticsUpdater.java

@@ -27,7 +27,6 @@ import de.dennisguse.opentracks.data.models.Distance;
 import de.dennisguse.opentracks.data.models.HeartRate;
 import de.dennisguse.opentracks.data.models.Speed;
 import de.dennisguse.opentracks.data.models.TrackPoint;
-import de.dennisguse.opentracks.data.models.UnitConversions;
 
 /**
  * Updater for {@link TrackStatistics}.
@@ -196,7 +195,7 @@ public class TrackStatisticsUpdater {
         // See if the speed seems physically likely. Ignore any speeds that imply acceleration greater than 2g.
         Duration timeDifference = Duration.between(lastTrackPoint.getTime(), trackPoint.getTime());
         Speed maxSpeedDifference = Speed.of(Distance.of(SPEED_MAX_ACCELERATION), Duration.ofMillis(1000))
-                .mul(timeDifference.toMillis() / UnitConversions.S_TO_MS);
+                .mul(timeDifference.toSeconds());
 
         Speed speedDifference = Speed.absDiff(lastTrackPoint.getSpeed(), trackPoint.getSpeed());
         return speedDifference.lessThan(maxSpeedDifference);

src/main/java/de/dennisguse/opentracks/ui/aggregatedStatistics/FilterDialogFragment.java

@@ -5,7 +5,6 @@ import android.content.Context;
 import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.DatePicker;

src/main/java/de/dennisguse/opentracks/ui/intervals/IntervalStatistics.java

@@ -49,8 +49,7 @@ public class IntervalStatistics {
                 interval.add(trackStatisticsUpdater.getTrackStatistics(), trackPoint);
 
                 double adjustFactor = distanceInterval.dividedBy(interval.distance);
-                Interval adjustedInterval = new Interval(interval);
-                adjustedInterval.adjust(adjustFactor);
+                Interval adjustedInterval = new Interval(interval, adjustFactor);
 
                 intervalList.set(intervalList.size() - 1, adjustedInterval);
 
@@ -116,7 +115,6 @@ public class IntervalStatistics {
         public Interval(Interval i, double adjustFactor) {
             distance = i.distance.multipliedBy(adjustFactor);
             time = Duration.ofMillis((long) (i.time.toMillis() * adjustFactor));
-            time = i.time;
             gain_m = i.gain_m;
             loss_m = i.loss_m;
             avgHeartRate = i.avgHeartRate;
@@ -130,11 +128,6 @@ public class IntervalStatistics {
             avgHeartRate = i.avgHeartRate;
         }
 
-        private void adjust(double adjustFactor) {
-            distance = distance.multipliedBy(adjustFactor);
-            time = Duration.ofMillis((long) (time.toMillis() * adjustFactor));
-        }
-
         public Distance getDistance() {
             return distance;
         }

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

@@ -21,8 +21,10 @@ import android.content.pm.PackageManager;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.net.Uri;
+import android.os.Build;
 import android.os.Bundle;
 import android.os.ParcelFileDescriptor;
+import android.provider.MediaStore;
 import android.util.Log;
 import android.util.Pair;
 import android.view.Menu;
@@ -55,6 +57,8 @@ public class MarkerEditActivity extends AbstractActivity {
     public static final String EXTRA_TRACK_ID = "track_id";
     public static final String EXTRA_MARKER_ID = "marker_id";
 
+    private static final String CAMERA_PHOTO_URI_KEY = "camera_photo_uri_key";
+
     private static final String TAG = MarkerEditActivity.class.getSimpleName();
     private Track.Id trackId;
     private Marker marker;
@@ -86,6 +90,10 @@ public class MarkerEditActivity extends AbstractActivity {
         trackId = getIntent().getParcelableExtra(EXTRA_TRACK_ID);
         Marker.Id markerId = getIntent().getParcelableExtra(EXTRA_MARKER_ID);
 
+        if (savedInstanceState != null) {
+            cameraPhotoUri = Uri.parse(savedInstanceState.getString(CAMERA_PHOTO_URI_KEY, ""));
+        }
+
         hasCamera = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA_ANY);
 
         // Setup UI elements
@@ -165,6 +173,14 @@ public class MarkerEditActivity extends AbstractActivity {
         takePictureFromCamera = null;
     }
 
+    @Override
+    protected void onSaveInstanceState(@NonNull Bundle outState) {
+        super.onSaveInstanceState(outState);
+        if (cameraPhotoUri != null) {
+            outState.putString(CAMERA_PHOTO_URI_KEY, cameraPhotoUri.toString());
+        }
+    }
+
     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         getMenuInflater().inflate(R.menu.marker_edit, menu);
@@ -232,7 +248,13 @@ public class MarkerEditActivity extends AbstractActivity {
     }
 
     private void createMarkerWithGalleryImage() {
-        Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
+        Intent intent;
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            intent = new Intent(MediaStore.ACTION_PICK_IMAGES);
+            intent.putExtra(MediaStore.EXTRA_PICK_IMAGES_MAX, 1);
+        } else {
+            intent = new Intent(Intent.ACTION_GET_CONTENT);
+        }
         intent.setType("image/*");
         takePictureFromGallery.launch(intent);
     }

src/main/java/de/dennisguse/opentracks/ui/util/ListItemUtils.java

@@ -22,6 +22,8 @@ import android.view.ViewGroup.LayoutParams;
 import android.widget.ImageView;
 import android.widget.TextView;
 
+import androidx.core.content.ContextCompat;
+
 import java.time.OffsetDateTime;
 import java.time.format.DateTimeFormatter;
 
@@ -106,7 +108,11 @@ public class ListItemUtils {
         String timeValue = null;
         if (!isRecording) {
             dateValue = StringUtils.formatDateTodayRelative(context, offsetDateTime);
-            timeValue = offsetDateTime.format(DateTimeFormatter.ofPattern("HH:mm"));
+            String pattern = "HH:mm";
+            if (!offsetDateTime.getOffset().equals(OffsetDateTime.now().getOffset())) {
+                pattern = "HH:mm x";
+            }
+            timeValue = offsetDateTime.format(DateTimeFormatter.ofPattern(pattern));
         }
         setTextView(context, dateTextView, dateValue, hasPhoto);
         setTextView(context, timeTextView, timeValue, hasPhoto);
@@ -169,7 +175,7 @@ public class ListItemUtils {
         textView.setVisibility(View.VISIBLE);
         textView.setText(value);
         if (addShadow) {
-            textView.setShadowLayer(5, 0, 2, context.getResources().getColor(android.R.color.black));
+            textView.setShadowLayer(5, 0, 2, ContextCompat.getColor(context, android.R.color.black));
         } else {
             textView.setShadowLayer(0, 0, 0, 0);
         }

src/main/java/de/dennisguse/opentracks/ui/util/RecyclerViewSwipeDeleteCallback.java

@@ -27,11 +27,11 @@ abstract public class RecyclerViewSwipeDeleteCallback extends ItemTouchHelper.Ca
 
     public RecyclerViewSwipeDeleteCallback(Context context) {
         background = new ColorDrawable();
-        backgroundColor = context.getResources().getColor(R.color.colorBackgroundDelete);
+        backgroundColor = ContextCompat.getColor(context, R.color.colorBackgroundDelete);
         clearPaint = new Paint();
         clearPaint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.CLEAR));
         deleteDrawable = ContextCompat.getDrawable(context, R.drawable.ic_delete_forever_24dp);
-        deleteDrawable.setTint(context.getResources().getColor(R.color.colorForegroundDelete));
+        deleteDrawable.setTint(ContextCompat.getColor(context, R.color.colorForegroundDelete));
         intrinsicWidth = deleteDrawable.getIntrinsicWidth();
         intrinsicHeight = deleteDrawable.getIntrinsicHeight();
     }

src/main/java/de/dennisguse/opentracks/util/EGM2008Utils.java

@@ -65,7 +65,7 @@ public class EGM2008Utils {
         if (location.getLongitude() >= 0) {
             longitude = location.getLongitude();
         } else {
-            longitude = 180 + Math.abs(location.getLongitude());
+            longitude = 360 + location.getLongitude();
         }
         int longitudeIndex = (int) (longitude * RESOLUTION_IN_MINUTES);
 
@@ -172,5 +172,13 @@ public class EGM2008Utils {
         public int hashCode() {
             return Objects.hash(latitudeIndex, longitudeIndex);
         }
+
+        @Override
+        public String toString() {
+            return "Indices{" +
+                    "latitudeIndex=" + latitudeIndex +
+                    ", longitudeIndex=" + longitudeIndex +
+                    '}';
+        }
     }
 }

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

@@ -17,8 +17,6 @@ import java.io.IOException;
 import java.io.OutputStream;
 import java.util.ArrayList;
 import java.util.List;
-import java.util.UUID;
-import java.util.regex.Pattern;
 
 import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.data.models.Track;

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

@@ -9,6 +9,7 @@ import android.util.Log;
 import android.util.Pair;
 import android.widget.Toast;
 
+import androidx.annotation.Nullable;
 import androidx.appcompat.app.AlertDialog;
 
 import java.util.ArrayList;
@@ -138,7 +139,7 @@ public class IntentDashboardUtils {
      * @param targetClass the target class
      * @param trackIds the track ids
      */
-    public static void startDashboard(Context context, boolean isRecording, String targetPackage, String targetClass, Track.Id... trackIds) {
+    public static void startDashboard(Context context, boolean isRecording, @Nullable String targetPackage, @Nullable String targetClass, Track.Id... trackIds) {
         if (trackIds.length == 0) {
             return;
         }
@@ -168,7 +169,7 @@ public class IntentDashboardUtils {
         clipData.addItem(new ClipData.Item(uris.get(MARKERS_URI_INDEX)));
         intent.setClipData(clipData);
 
-        if ((targetPackage != null) && (targetClass != null)) {
+        if (targetPackage != null && targetClass != null) {
             Log.i(TAG, "Starting dashboard activity with explicit intent (package=" + targetPackage + ", class=" + targetClass + ")");
             intent.setClassName(targetPackage, targetClass);
         } else {

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

@@ -0,0 +1,101 @@
+package de.dennisguse.opentracks.util;
+
+import android.Manifest;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.os.Build;
+
+import androidx.activity.result.ActivityResultCaller;
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.annotation.Nullable;
+import androidx.core.content.ContextCompat;
+import androidx.fragment.app.Fragment;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public class PermissionRequester {
+
+    private final List<String> permissions;
+
+    public PermissionRequester(List<String> permissions) {
+        this.permissions = permissions;
+    }
+
+    public boolean hasPermission(Context context) {
+        return permissions.stream()
+                .map(p -> ContextCompat.checkSelfPermission(context, p))
+                .allMatch(r -> r == PackageManager.PERMISSION_GRANTED);
+    }
+
+    public void requestPermissionsIfNeeded(Context context, ActivityResultCaller caller, @Nullable Runnable onGranted, @Nullable RejectedCallback onRejected) {
+        if (!hasPermission(context)) {
+            requestPermission(caller, onGranted, onRejected);
+        }
+    }
+
+    public boolean shouldShowRequestPermissionRationale(Fragment context) {
+        return permissions.stream()
+                .anyMatch(context::shouldShowRequestPermissionRationale);
+    }
+
+    private void requestPermission(ActivityResultCaller context, @Nullable Runnable onGranted, @Nullable RejectedCallback onRejected) {
+        ActivityResultLauncher<String[]> locationPermissionRequest = context.registerForActivityResult(new ActivityResultContracts.RequestMultiplePermissions(), result -> {
+                    boolean isGranted = permissions.stream()
+                            .allMatch(p -> result.getOrDefault(p, false));
+                    if (isGranted && onGranted != null) {
+                        onGranted.run();
+                    }
+                    if (!isGranted && onRejected != null) {
+                        onRejected.rejected(this);
+                    }
+                }
+        );
+
+        locationPermissionRequest.launch(permissions.toArray(permissions.toArray(new String[0])));
+    }
+
+    private static final List<String> GPS_PERMISSION = List.of(Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION);
+
+    private static final List<String> BLUETOOTH_PERMISSIONS;
+
+    static {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
+            BLUETOOTH_PERMISSIONS = List.of(Manifest.permission.BLUETOOTH_SCAN, Manifest.permission.BLUETOOTH_CONNECT);
+        } else {
+            BLUETOOTH_PERMISSIONS = Collections.emptyList();
+        }
+    }
+
+    private static final List<String> NOTIFICATION_PERMISSIONS;
+
+    static {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+            NOTIFICATION_PERMISSIONS = List.of(Manifest.permission.POST_NOTIFICATIONS);
+        } else {
+            NOTIFICATION_PERMISSIONS = Collections.emptyList();
+        }
+    }
+
+    private static final List<String> ALL_PERMISSIONS;
+
+    static {
+        ArrayList<String> all = new ArrayList<>(GPS_PERMISSION);
+        all.addAll(BLUETOOTH_PERMISSIONS);
+        all.addAll(NOTIFICATION_PERMISSIONS);
+
+        ALL_PERMISSIONS = Collections.unmodifiableList(all);
+    }
+
+    public final static PermissionRequester GPS = new PermissionRequester(GPS_PERMISSION);
+    public final static PermissionRequester BLUETOOTH = new PermissionRequester(BLUETOOTH_PERMISSIONS);
+    public final static PermissionRequester NOTIFICATION = new PermissionRequester(NOTIFICATION_PERMISSIONS);
+
+    public final static PermissionRequester ALL = new PermissionRequester(ALL_PERMISSIONS);
+
+    public interface RejectedCallback {
+        void rejected(PermissionRequester permissionRequester);
+    }
+}

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

@@ -1,74 +0,0 @@
-package de.dennisguse.opentracks.util;
-
-import android.Manifest;
-import android.content.Context;
-import android.content.pm.PackageManager;
-import android.os.Build;
-
-import androidx.activity.result.ActivityResultCaller;
-import androidx.activity.result.ActivityResultLauncher;
-import androidx.activity.result.contract.ActivityResultContracts;
-import androidx.annotation.Nullable;
-import androidx.core.content.ContextCompat;
-import androidx.fragment.app.Fragment;
-
-import java.util.Arrays;
-
-public class PermissionUtils {
-
-    private static final String[] GPS = new String[]{Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.ACCESS_COARSE_LOCATION};
-    private static final String[] BLUETOOTH;
-
-    static {
-        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.S) {
-            BLUETOOTH = new String[]{};
-        } else {
-            BLUETOOTH = new String[]{Manifest.permission.BLUETOOTH_SCAN, Manifest.permission.BLUETOOTH_CONNECT};
-        }
-    }
-
-    private PermissionUtils() {
-    }
-
-    public static boolean hasGPSPermission(Context context) {
-        return hasPermissions(context, GPS);
-    }
-
-    public static void requestGPSPermission(ActivityResultCaller context, @Nullable Runnable onGranted, @Nullable Runnable onRejected) {
-        requestPermission(context, GPS, onGranted, onRejected);
-    }
-
-    public static boolean shouldShowRequestPermissionRationaleBluetooth(Fragment context) {
-        return Arrays.stream(BLUETOOTH).anyMatch(context::shouldShowRequestPermissionRationale);
-    }
-
-    public static boolean hasBluetoothPermissions(Context context) {
-        return hasPermissions(context, BLUETOOTH);
-    }
-
-    public static void requestBluetoothPermission(ActivityResultCaller context, @Nullable Runnable onGranted, @Nullable Runnable onRejected) {
-        requestPermission(context, BLUETOOTH, onGranted, onRejected);
-    }
-
-    private static void requestPermission(ActivityResultCaller context, final String[] permissions, @Nullable Runnable onGranted, @Nullable Runnable onRejected) {
-        ActivityResultLauncher<String[]> locationPermissionRequest = context.registerForActivityResult(new ActivityResultContracts.RequestMultiplePermissions(), result -> {
-                    boolean isGranted = Arrays.stream(permissions)
-                            .allMatch(p -> result.getOrDefault(p, false));
-                    if (isGranted && onGranted != null) {
-                        onGranted.run();
-                    }
-                    if (!isGranted && onRejected != null) {
-                        onRejected.run();
-                    }
-                }
-        );
-
-        locationPermissionRequest.launch(permissions);
-    }
-
-    private static boolean hasPermissions(Context context, String[] permissions) {
-        return Arrays.stream(permissions)
-                .map(p -> ContextCompat.checkSelfPermission(context, p))
-                .allMatch(r -> r == PackageManager.PERMISSION_GRANTED);
-    }
-}

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

@@ -61,13 +61,6 @@ public class StringUtils {
     private StringUtils() {
     }
 
-    /**
-     * Formats the date and time of the OffsetDateTime (using default Locale format)
-     */
-    public static String formatDateTime(OffsetDateTime odt) {
-        return odt.format(DateTimeFormatter.ofLocalizedDateTime(FormatStyle.MEDIUM));
-    }
-
     /**
      * Formats the date and time with the offset (using default Locale format).
      */
@@ -75,6 +68,13 @@ public class StringUtils {
         return odt.toZonedDateTime().format(DateTimeFormatter.ofLocalizedDateTime(FormatStyle.FULL));
     }
 
+    public static String formatDateTimeWithOffsetIfDifferent(OffsetDateTime odt) {
+        if (!odt.getOffset().equals(OffsetDateTime.now().getOffset())) {
+            return odt.toZonedDateTime().format(DateTimeFormatter.ofLocalizedDateTime(FormatStyle.FULL));
+        }
+        return odt.toZonedDateTime().format(DateTimeFormatter.ofLocalizedDateTime(FormatStyle.MEDIUM));
+    }
+
     public static String formatLocalDateTime(LocalDateTime localDateTime) {
         return localDateTime.format(DateTimeFormatter.ofLocalizedDate(FormatStyle.FULL));
     }
@@ -254,13 +254,15 @@ public class StringUtils {
     /**
      * @return the formatted altitude_m (or null) and it's unit as {@link Pair}
      */
+    //TODO altitude_m should be double or a value object
     public static Pair<String, String> getAltitudeParts(Context context, Float altitude_m, UnitSystem unitSystem) {
         DistanceFormatter formatter = DistanceFormatter.Builder()
-                .setDecimalCount(1)
+                .setDecimalCount(0)
+                .setThreshold(Double.MAX_VALUE)
                 .setUnit(unitSystem)
                 .build(context);
 
-        Distance distance = altitude_m != null ? Distance.of(altitude_m) : Distance.of(Double.NaN); //TODO Refactor Double.NaN
+        Distance distance = altitude_m != null ? Distance.of(altitude_m) : Distance.of((Double) null);
         return formatter.getDistanceParts(distance);
     }
 

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

@@ -26,12 +26,17 @@ import de.dennisguse.opentracks.data.models.Track;
  *
  * @author Jimmy Shih
  */
+@Deprecated //TODO Refactor: all this should happen somewhere else (ContentProviderUtils?)
 public class TrackUtils {
 
     private TrackUtils() {
     }
 
     public static void updateTrack(Context context, Track track, String name, String category, String description, ContentProviderUtils contentProviderUtils) {
+        updateTrack(context, track, name, category, TrackIconUtils.getIconValue(context, category), description, contentProviderUtils);
+    }
+
+    public static void updateTrack(Context context, Track track, String name, String category, String iconValue, String description, ContentProviderUtils contentProviderUtils) {
         boolean update = false;
         if (name != null) {
             track.setName(name);
@@ -39,9 +44,13 @@ public class TrackUtils {
         }
         if (category != null) {
             track.setCategory(category);
-            track.setIcon(TrackIconUtils.getIconValue(context, category));
             update = true;
         }
+        if (iconValue != null) {
+            track.setIcon(iconValue);
+        } else if (category != null){
+            track.setIcon(TrackIconUtils.getIconValue(context, category));
+        }
         if (description != null) {
             track.setDescription(description);
             update = true;

src/main/res/drawable/ic_logo_color_splashscreen.xml

@@ -0,0 +1,33 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="100"
+    android:viewportHeight="100">
+
+    <group
+        android:name="rotationGroup"
+        android:pivotX="50"
+        android:pivotY="50"
+        android:scaleX="0.6"
+        android:scaleY="0.6"
+        >
+        <path android:pathData="M82.489,12.834C83.196,10.418 82.043,9.556 79.926,10.917L10.087,55.828c-2.117,1.361 -1.795,2.628 0.714,2.815L39.806,60.807c2.51,0.188 5.291,2.267 6.18,4.621l10.282,27.208c0.89,2.354 2.195,2.304 2.902,-0.111z">
+            <aapt:attr name="android:fillColor">
+                <gradient
+                    android:endX="70.0"
+                    android:endY="30.0"
+                    android:startX="7.0"
+                    android:startY="83.0"
+                    android:type="linear">
+                    <item
+                        android:color="#FFFBB22F"
+                        android:offset="0" />
+                    <item
+                        android:color="#FFFF6D00"
+                        android:offset="1" />
+                </gradient>
+            </aapt:attr>
+        </path>
+    </group>
+</vector>

src/main/res/drawable/splashscreen.xml

@@ -1,18 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<layer-list xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:tools="http://schemas.android.com/tools"
-    android:opacity="opaque">
-
-    <item android:drawable="@color/splashscreen_background" />
-
-    <item
-        android:width="300dp"
-        android:height="300dp"
-        android:gravity="center"
-        tools:targetApi="m">
-        <inset
-            android:drawable="@drawable/ic_logo_color_24dp"
-            android:inset="20dp" />
-    </item>
-
-</layer-list>

src/main/res/values-ar/strings.xml

@@ -1,4 +1,5 @@
-<?xml version="1.0" encoding="utf-8"?><!--
+<?xml version="1.0" encoding="utf-8"?>
+<!--
 Copyright 2010 Google Inc.
 
 Licensed under the Apache License, Version 2.0 (the "License");
@@ -12,8 +13,7 @@ distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
--->
-<resources>
+--><resources>
     <!-- Activity Type -->
     <string name="activity_type_airplane">طائرة</string>
     <string name="activity_type_atv">ATV</string>
@@ -200,14 +200,15 @@ limitations under the License.
     <string name="settings_stats_units_imperial">وحدات القياس البريطانية (ميل، قدم)</string>
     <string name="settings_stats_units_metric">وحدات القياس المترية (كم، م)</string>
     <string name="settings_stats_units_title">الوحدات المفضلة</string>
-
     <!-- Share Track -->
-    <string name="share_track_share_file_body">أعتقد أنك قد تكون مهتمًا بهذا المسار.\n\nلعرض هذا المسار، استخدام برنامج Google Earth أو غيره من البرامج تصميم الخرائط.\n\n%1$s</string>
+    <string name="share_track_share_file_body">أعتقد أنك قد تكون مهتمًا بهذا المسار.
+\n
+\n%1$s</string>
     <string name="share_track_subject">أريد مشاركة مسار معك</string>
     <!-- Stats -->
     <string name="stats_average_moving_pace">متوسط إيقاع التحرك</string>
     <string name="stats_average_moving_speed">متوسط سرعة التحرك</string>
-    <string name="stats_average_pace">متوسط ​​الإيقاع</string>
+    <string name="stats_average_pace">متوسط الإيقاع</string>
     <string name="stats_average_speed">متوسط السرعة</string>
     <string name="stats_altitude">الارتفاع</string>
     <string name="stats_fastest_pace">أسرع إيقاع</string>
@@ -352,4 +353,4 @@ limitations under the License.
     <string name="waypoint_type_waterfall">شلال</string>
     <string name="waypoint_type_water_fountain">نافورة مياه</string>
     <string name="waypoint_type_waypoint">نقطة طريق</string>
-</resources>
+</resources>

src/main/res/values-b+es+419/strings.xml

@@ -411,7 +411,6 @@
     <string name="stats_split_interval">Intervalo partido</string>
     <string name="track_recording_notification_accuracy">Precisión de ubicación: %1$s</string>
     <string name="track_pace_notification">Ritmo: %1$s</string>
-    <string name="track_delete_progress">%1$d/%2$d</string>
     <string name="track_detail_intervals_tab">Intervalos</string>
     <string name="interval_list_empty_message">Aún no hay ningún intervalo</string>
     <string name="settings_recording_customize_layout_title">Personalice su pantalla de grabación</string>

src/main/res/values-bg/strings.xml

@@ -458,7 +458,6 @@ limitations under the License.
     <string name="settings_recording_show_on_lockscreen_while_recording_title">Показване на статистически данни на заключения екран</string>
     <string name="help_data_google_play_services_title">Изисква ли OpenTracks/използва ли услугата Google Play\?</string>
     <string name="about_version_code">Код на версията: %1$d</string>
-    <string name="track_delete_progress">%1$d/%2$d</string>
     <string name="export_error_post_workout">Експортът след тренировка е неуспешен, моля, проверете директорията за експорт.</string>
     <string name="about_third_party_data">Данни от трети страни</string>
     <string name="import_unsupported_format">Неподдържан формат на файла</string>

src/main/res/values-cs/strings.xml

@@ -469,7 +469,6 @@ limitations under the License.
     <string name="track_speed_notification">Rychlost: %1$s</string>
     <string name="track_pace_notification">Rychlost: %1$s</string>
     <string name="about_third_party_data">Údaje třetích stran</string>
-    <string name="track_delete_progress">%1$d/%2$d</string>
     <string name="delete_service">Služba mazání</string>
     <string name="menu_voice_rate">Rychlost hlasových oznámení</string>
     <string name="track_delete_not_recording">Není možno vymazat aktuálně zaznamenávanou trasu.</string>
@@ -574,4 +573,5 @@ limitations under the License.
     <string name="settings_public_api_dashboard_enabled_summary_on">Aplikace, která zahájila nahrávání, může také přistupovat k nahraným datům.</string>
     <string name="settings_public_api_dashboard_enabled_summary_off">Zaznamenaná data nebudou automaticky sdílena s jinými aplikacemi.</string>
     <string name="pace">Tempo</string>
+    <string name="track_discarding">Mazání trasy</string>
 </resources>

src/main/res/values-da/strings.xml

@@ -467,7 +467,6 @@ Hvis GPS-enheden rapporterer unøjagtige data (f.eks. Placering, hastighed, høj
     <string name="track_speed_notification">Hastighed: %1$s</string>
     <string name="about_third_party_data">Data fra tredjeparter</string>
     <string name="delete_service">Tjeneste til sletning</string>
-    <string name="track_delete_progress">%1$d/%2$d</string>
     <string name="menu_voice_rate">Stemmehastighed</string>
     <string name="track_delete_not_recording">Dette spor kan ikke slettes, da det er optaget i øjeblikket.</string>
     <string name="settings_sensor_cycling_distance_speed">Afstand og hastighed</string>

src/main/res/values-de/strings.xml

@@ -276,9 +276,8 @@ Meldet das GPS-Gerät ungenaue Daten (z.B. Standort, Geschwindigkeit, Höhe), ka
 \n%1$s</string>
     <string name="share_track_subject">Ich möchte einen Track mit dir teilen</string>
     <!-- Stats -->
-    <string name="stats_average_moving_pace">Durchschnitt\n(Bewegung)</string>
-    <string name="stats_average_moving_speed">Durchschnittsgeschwindigkeit
-\n(Bewegung)</string>
+    <string name="stats_average_moving_pace">Durchschnittliches Bewegungstempo</string>
+    <string name="stats_average_moving_speed">Mittlere Geschwindigkeit in Bewegung</string>
     <string name="stats_average_pace">Durchschnitt</string>
     <string name="stats_average_speed">Durchschnittsgeschwindigkeit</string>
     <string name="stats_altitude">Höhe</string>
@@ -464,13 +463,12 @@ Meldet das GPS-Gerät ungenaue Daten (z.B. Standort, Geschwindigkeit, Höhe), ka
     <string name="about_third_party_data">Daten von Drittherstellern</string>
     <string name="sensor_state_heart_rate_max">Maximaler Herzfrequenz</string>
     <string name="track_delete_not_recording">Dieser Track kann nicht gelöscht werden, da er gerade aufgezeichnet wird.</string>
-    <string name="interval_list_empty_message">Es gibt noch keine Intervalle.</string>
+    <string name="interval_list_empty_message">Es gibt noch keine Intervalle</string>
     <string name="import_parser_error">Parser Fehler: %1$s</string>
     <string name="settings_recording_fullscreen_on_while_recording_summary">Anzeige im Vollbildmodus während der Aufzeichnung.</string>
     <string name="sensor_state_heart_rate_avg">Durchschnittlicher Herzfrequenz</string>
     <string name="settings_prevent_reimport_tracks_title">Verhindere den erneuten Import von Strecken(aufzeichnungen)</string>
     <string name="import_no_kml_file_found">Keine doc.kml Datei im KMZ gefunden</string>
-    <string name="track_delete_progress">%1$d/%2$d</string>
     <string name="import_thread_interrupted">Thread unterbrochen</string>
     <string name="import_unable_to_import_file">Importieren der Datei gescheitert: %1$s</string>
     <string name="delete_service">Löschdienst</string>
@@ -575,4 +573,7 @@ Meldet das GPS-Gerät ungenaue Daten (z.B. Standort, Geschwindigkeit, Höhe), ka
     <string name="report_bug">Fehler melden</string>
     <string name="settings_ui_summary">Erscheinungsbild, Aufzeichnungslayout, Theme</string>
     <string name="settings_gps_summary">Zeitintervall, Entfernungsintervall, Max Entfernung, Genauigkeit</string>
+    <string name="description_speed_nautical">Geschwindigkeit (Knoten)</string>
+    <string name="settings_open_tracks_title">Open Tracks</string>
+    <string name="gps_recording_status">%1$s: %2$s</string>
 </resources>

src/main/res/values-es/strings.xml

@@ -464,7 +464,6 @@ limitations under the License.
     <string name="track_pace_notification">Ritmo: %1$s</string>
     <string name="about_third_party_data">Datos de terceros</string>
     <string name="delete_service">Borrar servicio</string>
-    <string name="track_delete_progress">%1$d/%2$d</string>
     <string name="menu_voice_rate">Velocidad de la voz</string>
     <string name="track_delete_not_recording">Este recorrido no puede ser eliminado porque se está grabando actualmente.</string>
     <string name="settings_sensor_running_speed_and_cadence">Distancia, velocidad y cadencia</string>

src/main/res/values-et/strings.xml

@@ -464,7 +464,6 @@ limitations under the License.
     <string name="track_pace_notification">Tempo: %1$s</string>
     <string name="about_third_party_data">Kolmanda osapoole andmed</string>
     <string name="delete_service">Kustutamise teenus</string>
-    <string name="track_delete_progress">%1$d/%2$d</string>
     <string name="menu_voice_rate">Hääle kiirus</string>
     <string name="track_delete_not_recording">Seda pala ei saa kustutada, kuna see on praegu salvestatud.</string>
     <string name="settings_sensor_cycling_cadence">Rütm</string>

src/main/res/values-eu/strings.xml

@@ -467,7 +467,6 @@ GPS gailuak datu okerrak salatzen baditu (adibidez, kokapena, abiadura, kota), O
     <string name="track_pace_notification">Erritmoa: %1$s</string>
     <string name="about_third_party_data">Hirugarrenen datuak</string>
     <string name="delete_service">Ezabatzeko zerbitzua</string>
-    <string name="track_delete_progress">%1$d/%2$d</string>
     <string name="menu_voice_rate">Ahots abiadura</string>
     <string name="track_delete_not_recording">Pista hau ezin da ezabatu da gaur egun grabatzen.</string>
     <string name="settings_sensor_cycling_cadence">Kadentzia</string>

src/main/res/values-fi/strings.xml

@@ -469,7 +469,6 @@ limitations under the License.
     <string name="track_speed_notification">Nopeus: %1$s</string>
     <string name="about_third_party_data">Kolmannen osapuolen tiedot</string>
     <string name="delete_service">Poistopalvelu</string>
-    <string name="track_delete_progress">%1$d/%2$d</string>
     <string name="menu_voice_rate">Äänen nopeus</string>
     <string name="track_delete_not_recording">Tätä reittiä ei voi poistaa koska sitä tallennetaan parhaillaan.</string>
     <string name="settings_sensor_cycling_cadence">Pyöräily: tahtiaika</string>

src/main/res/values-fr/strings.xml

@@ -465,7 +465,6 @@ Si le dispositif GPS signale des données inexactes (par exemple, la localisatio
     <string name="export_track_already_exists_msg">La trace %1$s existe déjà dans le répertoire de destination.</string>
     <string name="export_progress_summary_overwrite_msg">Traces écrasées</string>
     <string name="about_third_party_data">Données de tiers</string>
-    <string name="track_delete_progress">%1$d/%2$d</string>
     <string name="delete_service">Service de suppression</string>
     <string name="menu_voice_rate">Vitesse vocale</string>
     <string name="track_delete_not_recording">Cette piste ne peut pas être supprimée car elle est en cours d\'enregistrement.</string>
@@ -587,4 +586,23 @@ Si le dispositif GPS signale des données inexactes (par exemple, la localisatio
     <string name="settings_announcements_lap_heart_rate">Fréquence cardiaque au tour</string>
     <string name="image_discard">Ignorer</string>
     <string name="track_discarding">Ignorer la trace</string>
+    <string name="description_pace_nautical">Allure (min/MN)</string>
+    <string name="show_on_dashboard_not_installed">Il n\'y a pas d\'application installé supportant l\'API OpenTracks Dashboard.</string>
+    <string name="description_speed_nautical">Vitesse (nœuds)</string>
+    <string name="settings_stats_units_nautical">Nautique (MN, pieds)</string>
+    <string name="unit_nautical_mile">MN</string>
+    <string name="unit_knots">kn</string>
+    <string name="unit_minute_per_nautical_mile">min/MN</string>
+    <string name="value_integer_knots">%1$d nœuds</string>
+    <string name="value_float_knots">%1$.1f nœuds</string>
+    <string name="value_float_knots_recommended">%1$.1f nœuds (recommandé)</string>
+    <string name="voice_per_nautical_mile">par mile nautique</string>
+    <plurals name="voiceSpeedMKnots">
+        <item quantity="one">%1$.1f nœud</item>
+        <item quantity="other">%1$.1f nœuds</item>
+    </plurals>
+    <plurals name="voiceDistanceNauticalMiles">
+        <item quantity="one">%1$.2f mile nautique</item>
+        <item quantity="other">%1$.2f milles nautique</item>
+    </plurals>
 </resources>

src/main/res/values-gl/strings.xml

@@ -472,7 +472,6 @@ Se te detés ou estás en interiores, non se gardarán datos do sensor (mais ser
     <string name="track_speed_notification">Velocidade: %1$s</string>
     <string name="about_third_party_data">Datos de terceiros alleos</string>
     <string name="delete_service">Eliminación de servizo</string>
-    <string name="track_delete_progress">%1$d/%2$d</string>
     <string name="menu_voice_rate">Velocidade da voz</string>
     <string name="track_delete_not_recording">Esta pista non se pode eliminar porque está a funcionar a gravación.</string>
     <string name="settings_sensor_cycling_distance_speed">Distancia e Velocidade</string>
@@ -580,4 +579,36 @@ Se te detés ou estás en interiores, non se gardarán datos do sensor (mais ser
     <string name="gps_recording_status">%1$s: %2$s</string>
     <string name="gps_recording_without_signal">OpenTracks está gravando sen datos GPS.</string>
     <string name="settings_export_filename_title">Formato do nome do ficheiro</string>
+    <string name="settings_announcements_lap_heart_rate">Ritmo cardíaco na volta</string>
+    <string name="settings_announcements_average_heart_rate">Ritmo cardíaco medio</string>
+    <string name="image_discard">Descartar</string>
+    <string name="settings_announcements_average_speed_pace">Velocidade/ritmo medio</string>
+    <string name="settings_announcements_lap_speed_pace">Velocidade/ritmo da volta</string>
+    <string name="track_discarding">Desbotando Ruta</string>
+    <string name="share_crash_report">Comparte o informe do fallo</string>
+    <string name="description_pace_nautical">Ritmo (min/NM)</string>
+    <string name="description_speed_nautical">Velocidade (nós)</string>
+    <string name="settings_stats_units_nautical">Náutica (NM, ft)</string>
+    <string name="unit_nautical_mile">NM</string>
+    <string name="unit_knots">kn</string>
+    <string name="unit_minute_per_nautical_mile">min/NM</string>
+    <string name="value_integer_knots">%1$d nós</string>
+    <string name="value_float_knots">%1$.1f nós</string>
+    <string name="value_float_knots_recommended">%1$.1f nós (recomendado)</string>
+    <string name="voice_per_nautical_mile">por milla náutica</string>
+    <plurals name="voiceDistanceNauticalMiles">
+        <item quantity="one">1 milla náutica</item>
+        <item quantity="other">%1$.2f millas náuticas</item>
+    </plurals>
+    <string name="show_on_dashboard">Taboleiro da API OpenTracks</string>
+    <plurals name="voiceSpeedMKnots">
+        <item quantity="one">1 nó</item>
+        <item quantity="other">%1$.1f nós</item>
+    </plurals>
+    <string name="show_on_dashboard_not_installed">Non hai ningunha aplicación instalada con soporte para a API do taboleiro OpenTracks.</string>
+    <string name="select_show_on_map_behavior">Elixe \"ver no mapa\"</string>
+    <string name="show_on_map_format_ask">Preguntar</string>
+    <string name="always">Sempre</string>
+    <string name="error_crash_title">%1$s fallou</string>
+    <string name="report_bug">Informar do problema</string>
 </resources>

src/main/res/values-hu/strings.xml

@@ -460,7 +460,6 @@ limitations under the License.
 \n * pályák megjelenítése térképen (lásd alább)</string>
     <string name="about_third_party_data">Harmadik féltől származó adatok</string>
     <string name="delete_service">Törlési szolgáltatás</string>
-    <string name="track_delete_progress">%1$d/%2$d</string>
     <string name="menu_voice_rate">Hang sebesség</string>
     <string name="track_delete_not_recording">Ez a sáv nem törölhető, mivel jelenleg is rögzítve van.</string>
     <string name="settings_sensor_cycling_cadence">Kerékpározás: lépésszám</string>

src/main/res/values-it/strings.xml

@@ -471,7 +471,6 @@ Infatti, un\'applicazione deve supportare <i>ACTION_VIEW</i> con MIME <i>applica
     <string name="track_pace_notification">Ritmo: %1$s</string>
     <string name="about_third_party_data">Dati di terzi</string>
     <string name="delete_service">Servizio di eliminazione</string>
-    <string name="track_delete_progress">%1$d/%2$d</string>
     <string name="menu_voice_rate">Velocità della voce</string>
     <string name="track_delete_not_recording">Questa traccia non può essere cancellata perché è attualmente in registrazione.</string>
     <string name="settings_sensor_cycling_cadence">Cadenza</string>