Release v3.2.10

Functionality was (accidentally) removed in 5a264c5c53

.github/FUNDING.yml

@@ -0,0 +1,4 @@
+# These are supported funding model platforms
+
+liberapay: dennis.guse
+custom: https://play.google.com/store/apps/details?id=de.dennisguse.opentracks.playstore

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,26 @@
+---
+name: Bug report
+about: Report issues of OpenTracks features
+title: ''
+labels: potential bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+1. Go to '...'
+2. Click on '....'
+3. Scroll down to '....'
+4. See error
+
+If applicable:
+* add screenshots
+* add logcat output
+
+**Technical information**
+ - Device: [e.g. Nexus 7 (2013)]
+ - OS: [e.g. LineageOS 15.1]
+ - Version [e.g. v3.2.4]

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for OpenTracks
+title: ''
+labels: enhancement
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.

.github/PULL_REQUEST_TEMPLATE.md

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

.gitignore

@@ -73,8 +73,12 @@ captures/
 .idea/workspace.xml
 
 # Keystore files
-# Uncomment the following line if you do not want to check your keystore files in.
-#*.jks
+*.jks
 
 # External native build folder generated in Android Studio 2.2 and later
 .externalNativeBuild
+
+# Fastlane
+Appfile
+releasePlayStore/*
+Gemfile.lock

.idea/render.experimental.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="RenderSettings">
+    <option name="showDecorations" value="true" />
+  </component>
+</project>

.travis.yml

@@ -1,12 +1,46 @@
+#See https://docs.travis-ci.com/user/languages/android/
+#See https://github.com/ankidroid/Anki-Android/blob/master/.travis.yml
 language: android
-dist: trusty
+
+env:
+  global:
+    - ADB_INSTALL_TIMEOUT=8
+    - ABI=armeabi-v7a
+    - EMU_FLAVOR=default
+    # PATH order is incredibly important. e.g. the 'emulator' script exists in more than one place!
+    - ANDROID_HOME=/usr/local/android-sdk
+    - TOOLS=${ANDROID_HOME}/tools
+    - PATH=${ANDROID_HOME}:${ANDROID_HOME}/emulator:${TOOLS}:${TOOLS}/bin:${ANDROID_HOME}/platform-tools:${PATH}
+  matrix:
+    - API=27 ABI=x86_64
 
 android:
   components:
+    # installing tools to start, then use `sdkmanager` below to get the rest
+    - tools
     - build-tools-28.0.3
     - android-29
 
+# Emulator Management: Create, Start and Wait
+#install:
+#  - echo y | sdkmanager "platform-tools"
+#  - echo y | sdkmanager --channel=4 "emulator"
+#  - echo y | sdkmanager "system-images;android-$API;$EMU_FLAVOR;$ABI"
+#  - echo no | avdmanager create avd --force -n test -k "system-images;android-$API;$EMU_FLAVOR;$ABI" -c 10M
+#  - emulator -verbose -avd test -no-accel -no-snapshot -no-window -camera-back none -camera-front none -selinux permissive -qemu -m 2048 &
+#  - android-wait-for-emulator
+#  - adb shell input keyevent 82 &
+
 script:
-  - ./gradlew build
-  #TODO: When all tests are passing, CI should also execute them.
-  #- ./gradlew connectedCheck
+  - ./gradlew clean build
+#  - ./gradlew connectedCheck
+
+sbefore_cache:
+  - rm -f  $HOME/.gradle/caches/modules-2/modules-2.lock
+  - rm -fr $HOME/.gradle/caches/*/plugin-resolution/
+
+cache:
+  directories:
+    - $HOME/.gradle/caches/
+    - $HOME/.gradle/wrapper/
+    - $HOME/.android/build-cache

DEVELOPER.md

@@ -1,12 +1,36 @@
-# OpenTrack: Developer information
+# OpenTracks: Developer information
 
-## Create releases for FDroid
+## Craft new releases
 
 1. Get next _version code_ (master branch): `git rev-list HEAD --count master`
 2. Decide on _version name_ (semantic versioning)
 3. Manually update _version code_ and _version name_ in `AndroidManifest.xml` (used by FDroid)
 4. Create changelog (`_version code_.txt`)
 5. Create commit with all changes
-6. Push commits
-7. Tag newly create commit with _version name_
-8. Push the tagged to public repository  
+6. Tag newly create commit with _version name_ (e.g., v3.2.1)
+7. Push commits and tags to public repository
+8. Add changelog to tag (Github releases)
+
+## F-Droid
+Application id: de.dennisguse.opentracks
+
+It if it properly tagged F-Droid takes care of building the app and publishing.
+Usually, it takes two days before the update is published (build, signed, and published). 
+
+The recent build activity can be found [here](https://f-droid.org/wiki/index.php?title=Special:RecentChanges&days=7&from=&hidebots=0&hideanons=1&hideliu=1&limit=500)
+
+## Google Play Store
+Application id: de.dennisguse.opentracks.playstore
+
+Requirement: `gem install fastlane`
+
+1. Update store meta data (e.g., description and screenshots)
+   `fastlane supply --version_code $(git rev-list HEAD --count master) --skip_upload_apk`
+   (requires API key)
+2. Build signed apk
+   (requires keystore)
+3. Upload signed apk to [Google Play Console](https://play.google.com/apps/publish)
+
+## Translations (localization)
+
+Translations of the OpenTracks are handled in Transifex: [https://www.transifex.com/opentracks](https://www.transifex.com/opentracks/).

Gemfile

@@ -0,0 +1,3 @@
+source "https://rubygems.org"
+
+gem "fastlane"

README.md

@@ -2,9 +2,30 @@
 
 _OpenTracks_ is a sport tracking application that completely respects your privacy.
 
-<a href="https://f-droid.org/packages/de.dennisguse.opentracks">
-    <img src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png" alt="Get it on F-Droid" height="60">
-</a>
+<table>
+    <tr>
+        <th>Free</th>
+        <th>Paid</th>
+        <th>Donations</th>
+    </tr>
+    <tr>
+        <td>
+            <a href="https://f-droid.org/packages/de.dennisguse.opentracks">
+                <img alt="Get it on F-Droid" src="https://fdroid.gitlab.io/artwork/badge/get-it-on.png" height="60" align="middle">
+            </a>
+        </td>
+        <td>
+            <a href="https://play.google.com/store/apps/details?id=de.dennisguse.opentracks.playstore">
+                <img alt="Get it on Google Play" src="https://play.google.com/intl/en_us/badges/static/images/badges/en_badge_web_generic.png" height="60" align="middle">
+            </a>
+        </td>
+        <td>
+            <a href="https://liberapay.com/dennis.guse/donate">
+                <img alt="Donate using Liberapay" src="https://liberapay.com/assets/widgets/donate.svg" height="45" align="middle">
+            </a>
+        </td>
+    </tr>
+</table>
 
 ## Features:
 * __Tracking:__ track your sport and outdoor activities 
@@ -26,9 +47,14 @@ _Please note:_
 _Tracks_ does not contain a _map_ (as this would required Internet access).
 To show your tracks on a map, a 3rd party application (e.g., [OsmAnd](https://play.google.com/store/apps/details?id=net.osmand) or [MAPS.ME](https://play.google.com/store/apps/details?id=com.mapswithme.maps.pro)) needs to be installed.  
 
-<a href="https://liberapay.com/dennis.guse/donate">
-    <img alt="Donate using Liberapay" src="https://liberapay.com/assets/widgets/donate.svg" height="45">
-</a>
+
+## Screenshots
+<div>
+    <img width="20%" src="fastlane/metadata/android/en-US/phoneScreenshots/screenshot_1.png">
+    <img width="20%" src="fastlane/metadata/android/en-US/phoneScreenshots/screenshot_2.png">
+    <img width="20%" src="fastlane/metadata/android/en-US/phoneScreenshots/screenshot_3.png">
+    <img width="20%" src="fastlane/metadata/android/en-US/phoneScreenshots/screenshot_4.png">
+</div>
 
 ## Project history
 

build.gradle

@@ -6,7 +6,7 @@ buildscript {
         jcenter()
     }
     dependencies {
-        classpath 'com.android.tools.build:gradle:3.5.0'
+        classpath 'com.android.tools.build:gradle:3.5.2'
     }
 }
 
@@ -35,10 +35,14 @@ def getVersionName = { ->
     try {
         def stdout = new ByteArrayOutputStream()
         exec {
-            commandLine 'git', 'describe', '--tags', '--dirty'
+            commandLine 'git', 'describe', '--tags'
             standardOutput = stdout
         }
-        return stdout.toString().trim()
+        exec {
+            commandLine 'git', 'log', '--format="%h"', '-n 1'
+            standardOutput = stdout
+        }
+        return stdout.toString().replace('\n', '-').replace('"', '').trim()
     }
     catch (ignored) {
         return null
@@ -70,15 +74,16 @@ android {
         release {
             minifyEnabled false
         }
+
+        releasePlayStore {
+            applicationIdSuffix ".playstore"
+            versionNameSuffix "-PlayStore"
+        }
     }
 
     applicationVariants.all { variant ->
         variant.resValue "string", "applicationId", variant.applicationId
     }
-
-    lintOptions {
-        disable "AppCompatResource" // TODO Disable complaint to use androidx's SearchView as it is null.
-    }
 }
 
 dependencies {

drawable-svg/ic_arrow_long.svg

@@ -17,7 +17,7 @@
         <rdf:RDF>
             <cc:Work rdf:about="">
                 <dc:format>image/svg+xml</dc:format>
-                <dc:title></dc:title>
+                <dc:title />
                 <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
             </cc:Work>
         </rdf:RDF>

drawable-svg/ic_button_pause.svg

@@ -43,7 +43,7 @@
         <rdf:RDF>
             <cc:Work rdf:about="">
                 <dc:format>image/svg+xml</dc:format>
-                <dc:title></dc:title>
+                <dc:title />
                 <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
             </cc:Work>
         </rdf:RDF>

drawable-svg/ic_button_pause_pressed.svg

@@ -41,7 +41,7 @@
         <rdf:RDF>
             <cc:Work rdf:about="">
                 <dc:format>image/svg+xml</dc:format>
-                <dc:title></dc:title>
+                <dc:title />
                 <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
             </cc:Work>
         </rdf:RDF>

drawable-svg/ic_button_record.svg

@@ -33,7 +33,7 @@
         <rdf:RDF>
             <cc:Work rdf:about="">
                 <dc:format>image/svg+xml</dc:format>
-                <dc:title></dc:title>
+                <dc:title />
                 <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
             </cc:Work>
         </rdf:RDF>

drawable-svg/ic_button_stop.svg

@@ -39,7 +39,7 @@
         <rdf:RDF>
             <cc:Work rdf:about="">
                 <dc:format>image/svg+xml</dc:format>
-                <dc:title></dc:title>
+                <dc:title />
                 <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
             </cc:Work>
         </rdf:RDF>

drawable-svg/ic_track_paused.svg

@@ -18,7 +18,7 @@
         <rdf:RDF>
             <cc:Work rdf:about="">
                 <dc:format>image/svg+xml</dc:format>
-                <dc:title></dc:title>
+                <dc:title />
                 <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
             </cc:Work>
         </rdf:RDF>

drawable-svg/ic_track_recording.svg

@@ -21,7 +21,7 @@
         <rdf:RDF>
             <cc:Work rdf:about="">
                 <dc:format>image/svg+xml</dc:format>
-                <dc:title></dc:title>
+                <dc:title />
                 <dc:type rdf:resource="http://purl.org/dc/dcmitype/StillImage" />
             </cc:Work>
         </rdf:RDF>

fastlane/Fastfile

@@ -0,0 +1,38 @@
+# This file contains the fastlane.tools configuration
+# You can find the documentation at https://docs.fastlane.tools
+#
+# For a list of all available actions, check out
+#
+#     https://docs.fastlane.tools/actions
+#
+# For a list of all available plugins, check out
+#
+#     https://docs.fastlane.tools/plugins/available-plugins
+#
+
+# Uncomment the line if you want fastlane to automatically update itself
+# update_fastlane
+
+default_platform(:android)
+
+platform :android do
+  desc "Runs all the tests"
+  lane :test do
+    gradle(task: "test")
+  end
+
+  desc "Submit a new Beta Build to Crashlytics Beta"
+  lane :beta do
+    gradle(task: "clean assembleRelease")
+    crashlytics
+  
+    # sh "your_script.sh"
+    # You can also use other beta testing services here
+  end
+
+  desc "Deploy a new version to the Google Play"
+  lane :deploy do
+    gradle(task: "clean assembleRelease")
+    upload_to_play_store
+  end
+end

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

@@ -1,4 +1,4 @@
-Open Tracks – ein GPS-Tracker, der deine Daten für sich behält.
+OpenTracks – ein GPS-Tracker, der deine Daten für sich behält.
 Erfasst deine Kilometer, ohne dass es jemand anderes tut.
 
 Funktionen & Features:

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

@@ -1 +1 @@
-Open Tracks – 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/3079.txt

@@ -0,0 +1,13 @@
+v3.2.2: OpenTracks
+
+Changes:
+- Removed aggregated stats
+- Migrated to Material Design
+
+Bugfix:
+- Fixed export of sensor data
+- Fixed import of incomplete sensor data
+
+Developer:
+- Replaced actionbar with toolbar
+- Migrated to androidx appcompat (incl. Material Design)

fastlane/metadata/android/en-US/changelogs/3101.txt

@@ -0,0 +1,14 @@
+v3.2.3: OpenTracks
+
+Changes:
+- Sharing: use Android Sharesheet
+- Sharing: share multiple tracks as individual files
+- Use Android ShareSheet
+- Heart rate sensor (Bluetooth LE): automatic reconnect
+
+Bugfix:
+- Heart rate sensor (Bluetooth LE): disconnect properly
+- Heart rate wasn't always shown while recording
+
+Developer:
+- Enabled TravisCI instrumentation tests

fastlane/metadata/android/en-US/changelogs/3103.txt

@@ -0,0 +1,5 @@
+v3.2.4: OpenTracks
+
+Bugfix:
+- Settings activity crashes
+  Removed possibility to change voice/split frequency from the context menu

fastlane/metadata/android/en-US/changelogs/3123.txt

@@ -0,0 +1,15 @@
+v3.2.5: OpenTracks
+
+Changes:
+- Disable activity change
+- Add permission for Android 10: recording location data
+
+Bugfix:
+- Fix reset settings
+
+Developer:
+- Preferences
+  - if Settings cannot be loaded reset all preferences
+  - moved access to preferences to PreferencesUtil
+  - moved default of preferences from code to xml
+  - use SummaryProvider

fastlane/metadata/android/en-US/changelogs/3137.txt

@@ -0,0 +1,8 @@
+v3.2.6: OpenTracks
+
+Changes:
+- Heart rate monitor: scan for available devices
+- Remove shortcut to Bluetooth settings
+
+Developer:
+- Preferences: moved default of preferences from code to xml

fastlane/metadata/android/en-US/changelogs/3149.txt

@@ -0,0 +1,10 @@
+v3.2.7: OpenTracks
+
+Changes:
+- Notification show GPS accuracy
+- Show heads-up notification if GPS accuracy drops beyond threshold
+- Always show chart by time as well as by distance
+- Added help (in Settings)
+
+Bugfix:
+- TrackDetailActivity: disabled non-working landscape mode (temporary)

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

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

fastlane/metadata/android/en-US/changelogs/3175.txt

@@ -0,0 +1,10 @@
+v3.2.9: OpenTracks
+
+Changes:
+- Option to keep screen on while recording
+- Markers: removed split markers completely
+- Voice announcement now work without READ_PHONE_STATE permission
+
+Bugfixes:
+- Statistics: heart rate was not shown
+- Statistics: time was briefly reset to 0s

fastlane/metadata/android/en-US/changelogs/3195.txt

@@ -0,0 +1,11 @@
+v3.2.10: OpenTracks
+
+Changes:
+- ChartView is not configurable anymore
+- After reboot: removed automatic restart of an unfinished recording
+
+Bugfix:
+- Speech announcements use MAY_DUCK (again)
+- ChartView shows markers (again)
+- Fixed landscape layout of TrackListActivity
+- Request legacy file API behavior (necessary for Android 10)

fastlane/metadata/android/es-ES/full_description.txt

@@ -0,0 +1,8 @@
+OpenTracks es un tracker deportivo que respeta tu privacidad.
+
+Funciones:
+* Tracker deportivo: haz un seguimiento de tus actividades al aire libre
+* Marca lugares de interés, incluso agrega fotos a los marcadores
+* Pulsómetro (compatible con dispositivos Bluetooth LE)
+* Exporta tus rutas como KML o GPX
+* Completamente offline, no necesitas internet

fastlane/metadata/android/es-ES/short_description.txt

@@ -0,0 +1 @@
+OpenTracks es un tracker deportivo que respeta tu privacidad.

fastlane/metadata/android/es-ES/title.txt

@@ -0,0 +1 @@
+OpenTracks

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

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

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

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

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

@@ -1,103 +0,0 @@
-/*
- * Copyright 2012 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;
-
-import android.app.ActivityManager;
-import android.app.ActivityManager.RunningServiceInfo;
-import android.content.ComponentName;
-import android.content.Context;
-import android.content.Intent;
-
-import androidx.test.ext.junit.runners.AndroidJUnit4;
-import androidx.test.platform.app.InstrumentationRegistry;
-
-import org.junit.Assert;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import java.util.List;
-
-import de.dennisguse.opentracks.services.TrackRecordingService;
-
-/**
- * Tests for the BootReceiver.
- *
- * @author Youtao Liu
- */
-@RunWith(AndroidJUnit4.class)
-public class BootReceiverTest {
-    private static final String SERVICE_NAME = "de.dennisguse.opentracks.services.TrackRecordingService";
-
-    private Context context = InstrumentationRegistry.getInstrumentation().getContext();
-
-    /**
-     * Tests the behavior when receive notification which is the phone boot.
-     */
-    @Test
-    public void testOnReceive_startService() {
-        // Make sure no TrackRecordingService
-        Intent stopIntent = new Intent(context, TrackRecordingService.class);
-        context.stopService(stopIntent);
-        Assert.assertFalse(isServiceExisted(context));
-
-        BootReceiver bootReceiver = new BootReceiver();
-        Intent intent = new Intent();
-        intent.setAction(Intent.ACTION_BOOT_COMPLETED);
-        bootReceiver.onReceive(context, intent);
-        // Check if the service is started
-        Assert.assertFalse(isServiceExisted(context));
-    }
-
-    /**
-     * Tests the behavior when receive notification which is not the phone boot.
-     */
-    @Test
-    public void testOnReceive_noStartService() {
-        // Make sure no TrackRecordingService
-        Intent stopIntent = new Intent(context, TrackRecordingService.class);
-        context.stopService(stopIntent);
-        Assert.assertFalse(isServiceExisted(context));
-
-        BootReceiver bootReceiver = new BootReceiver();
-        Intent intent = new Intent();
-        intent.setAction(Intent.ACTION_BUG_REPORT);
-        bootReceiver.onReceive(context, intent);
-
-        // Check if the service is not started
-        Assert.assertFalse(isServiceExisted(context));
-    }
-
-    /**
-     * Checks if a service is started in a context.
-     *
-     * @param context the context for checking a service
-     */
-    private boolean isServiceExisted(Context context) {
-        ActivityManager activityManager = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
-        Assert.assertNotNull(activityManager);
-
-        List<ActivityManager.RunningServiceInfo> serviceList = activityManager.getRunningServices(Integer.MAX_VALUE);
-
-        for (int i = 0; i < serviceList.size(); i++) {
-            RunningServiceInfo serviceInfo = serviceList.get(i);
-            ComponentName componentName = serviceInfo.service;
-            if (componentName.getClassName().equals(SERVICE_NAME)) {
-                return true;
-            }
-        }
-        return false;
-    }
-}

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

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

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

@@ -35,22 +35,19 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.concurrent.atomic.AtomicInteger;
 
-import de.dennisguse.opentracks.content.ContentProviderUtils.LocationFactory;
-import de.dennisguse.opentracks.content.ContentProviderUtils.LocationIterator;
 import de.dennisguse.opentracks.content.Waypoint.WaypointType;
 import de.dennisguse.opentracks.stats.TripStatistics;
 
-import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
 /**
- * A unit test for {@link ContentProviderUtilsImpl}.
+ * A unit test for {@link ContentProviderUtils}.
  *
  * @author Bartlomiej Niechwiej
  * @author Youtao Liu
  */
 @RunWith(MockitoJUnitRunner.class)
-public class CustomContentProviderUtilsImplTest {
+public class CustomContentProviderUtilsTest {
     private static final String NAME_PREFIX = "test name";
     private static final String MOCK_DESC = "Mock Next Waypoint Desc!";
     private static final String TEST_DESC = "Test Desc!";
@@ -70,13 +67,13 @@ public class CustomContentProviderUtilsImplTest {
 
     @Before
     public void setUp() {
-        providerUtils = ContentProviderUtils.Factory.get(context);
+        providerUtils = new ContentProviderUtils(context);
         providerUtils.deleteAllTracks(context);
     }
 
     @Test
     public void testLocationIterator_noPoints() {
-        testIterator(1, 0, 1, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(1, 0, 1, false, LocationFactory.DEFAULT_LOCATION_FACTORY);
     }
 
     @Test
@@ -106,36 +103,36 @@ public class CustomContentProviderUtilsImplTest {
 
     @Test
     public void testLocationIterator_noBatchAscending() {
-        testIterator(1, 50, 100, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
-        testIterator(2, 50, 50, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(1, 50, 100, false, LocationFactory.DEFAULT_LOCATION_FACTORY);
+        testIterator(2, 50, 50, false, LocationFactory.DEFAULT_LOCATION_FACTORY);
     }
 
     @Test
     public void testLocationIterator_noBatchDescending() {
-        testIterator(1, 50, 100, true, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
-        testIterator(2, 50, 50, true, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(1, 50, 100, true, LocationFactory.DEFAULT_LOCATION_FACTORY);
+        testIterator(2, 50, 50, true, LocationFactory.DEFAULT_LOCATION_FACTORY);
     }
 
     @Test
     public void testLocationIterator_batchAscending() {
-        testIterator(1, 50, 11, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
-        testIterator(2, 50, 25, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(1, 50, 11, false, LocationFactory.DEFAULT_LOCATION_FACTORY);
+        testIterator(2, 50, 25, false, LocationFactory.DEFAULT_LOCATION_FACTORY);
     }
 
     @Test
     public void testLocationIterator_batchDescending() {
-        testIterator(1, 50, 11, true, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
-        testIterator(2, 50, 25, true, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(1, 50, 11, true, LocationFactory.DEFAULT_LOCATION_FACTORY);
+        testIterator(2, 50, 25, true, LocationFactory.DEFAULT_LOCATION_FACTORY);
     }
 
     @Test
     public void testLocationIterator_largeTrack() {
-        testIterator(1, 20000, 2000, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        testIterator(1, 20000, 2000, false, LocationFactory.DEFAULT_LOCATION_FACTORY);
     }
 
     private List<Location> testIterator(long trackId, int numPoints, int batchSize, boolean descending, LocationFactory locationFactory) {
         long lastPointId = initializeTrack(trackId, numPoints);
-        ((ContentProviderUtilsImpl) providerUtils).setDefaultCursorBatchSize(batchSize);
+        ((ContentProviderUtils) providerUtils).setDefaultCursorBatchSize(batchSize);
         List<Location> locations = new ArrayList<Location>(numPoints);
         try (LocationIterator it = providerUtils.getTrackPointLocationIterator(trackId, -1L, descending, locationFactory)) {
             while (it.hasNext()) {
@@ -174,7 +171,7 @@ public class CustomContentProviderUtilsImplTest {
         // Load all inserted locations.
         long lastPointId = -1;
         int counter = 0;
-        try (LocationIterator it = providerUtils.getTrackPointLocationIterator(id, -1L, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY)) {
+        try (LocationIterator it = providerUtils.getTrackPointLocationIterator(id, -1L, false, LocationFactory.DEFAULT_LOCATION_FACTORY)) {
             while (it.hasNext()) {
                 it.next();
                 lastPointId = it.getLocationId();
@@ -190,7 +187,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#createTrack(Cursor)}.
+     * Tests the method {@link ContentProviderUtils#createTrack(Cursor)}.
      */
     @Test
     public void testCreateTrack() {
@@ -214,11 +211,10 @@ public class CustomContentProviderUtilsImplTest {
         Track track = providerUtils.createTrack(cursorMock);
         Assert.assertEquals(trackId, track.getId());
         Assert.assertEquals(name, track.getName());
-        verify(cursorMock);
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#deleteAllTracks(Context)}
+     * Tests the method {@link ContentProviderUtils#deleteAllTracks(Context)}
      */
     @Test
     public void testDeleteAllTracks() {
@@ -247,7 +243,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#deleteTrack(Context, long)}.
+     * Tests the method {@link ContentProviderUtils#deleteTrack(Context, long)}.
      */
     @Test
     public void testDeleteTrack() {
@@ -282,7 +278,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getAllTracks()}
+     * Tests the method {@link ContentProviderUtils#getAllTracks()}
      */
     @Test
     public void testGetAllTracks() {
@@ -295,7 +291,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getLastTrack()}
+     * Tests the method {@link ContentProviderUtils#getLastTrack()}
      */
     @Test
     public void testGetLastTrack() {
@@ -305,7 +301,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getTrack(long)}
+     * Tests the method {@link ContentProviderUtils#getTrack(long)}
      */
     @Test
     public void testGetTrack() {
@@ -315,7 +311,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#updateTrack(Track)}
+     * Tests the method {@link ContentProviderUtils#updateTrack(Track)}
      */
     @Test
     public void testUpdateTrack() {
@@ -332,7 +328,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#createContentValues(Waypoint)}.
+     * Tests the method {@link ContentProviderUtils#createContentValues(Waypoint)}.
      */
     @Test
     public void testCreateContentValues_waypoint() {
@@ -370,7 +366,7 @@ public class CustomContentProviderUtilsImplTest {
         waypoint.setLocation(location);
         providerUtils.insertWaypoint(waypoint);
 
-        ContentProviderUtilsImpl contentProviderUtils = new ContentProviderUtilsImpl(contentResolverMock);
+        ContentProviderUtils contentProviderUtils = new ContentProviderUtils(contentResolverMock);
 
         long waypointId = System.currentTimeMillis();
         waypoint.setId(waypointId);
@@ -383,7 +379,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#createWaypoint(Cursor)}.
+     * Tests the method {@link ContentProviderUtils#createWaypoint(Cursor)}.
      */
     @Test
     public void testCreateWaypoint() {
@@ -414,12 +410,11 @@ public class CustomContentProviderUtilsImplTest {
         Assert.assertEquals(id, waypoint.getId());
         Assert.assertEquals(name, waypoint.getName());
         Assert.assertEquals(trackId, waypoint.getTrackId());
-        verify(cursorMock);
     }
 
     /**
      * Tests the method
-     * {@link ContentProviderUtilsImpl#deleteWaypoint(Context, long, DescriptionGenerator)}
+     * {@link ContentProviderUtils#deleteWaypoint(Context, long, DescriptionGenerator)}
      * when there is only one waypoint in the track.
      */
     @Test
@@ -440,7 +435,7 @@ public class CustomContentProviderUtilsImplTest {
 
             @Override
             public String generateWaypointDescription(TripStatistics tripStatistics) {
-                return CustomContentProviderUtilsImplTest.MOCK_DESC;
+                return CustomContentProviderUtilsTest.MOCK_DESC;
             }
 
             @Override
@@ -455,7 +450,7 @@ public class CustomContentProviderUtilsImplTest {
 
     /**
      * Tests the method
-     * {@link ContentProviderUtilsImpl#deleteWaypoint(Context, long, DescriptionGenerator)}
+     * {@link ContentProviderUtils#deleteWaypoint(Context, long, DescriptionGenerator)}
      * when there is more than one waypoint in the track.
      */
     @Test
@@ -498,7 +493,7 @@ public class CustomContentProviderUtilsImplTest {
         DescriptionGenerator descriptionGenerator = new DescriptionGenerator() {
             @Override
             public String generateWaypointDescription(TripStatistics tripStatistics) {
-                return CustomContentProviderUtilsImplTest.MOCK_DESC;
+                return CustomContentProviderUtilsTest.MOCK_DESC;
             }
 
             @Override
@@ -511,12 +506,12 @@ public class CustomContentProviderUtilsImplTest {
         providerUtils.deleteWaypoint(context, waypoint1Id, descriptionGenerator);
         Assert.assertNull(providerUtils.getWaypoint(waypoint1Id));
 
-        Assert.assertEquals(CustomContentProviderUtilsImplTest.MOCK_DESC, providerUtils.getWaypoint(waypoint2Id)
+        Assert.assertEquals(CustomContentProviderUtilsTest.MOCK_DESC, providerUtils.getWaypoint(waypoint2Id)
                 .getDescription());
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getFirstWaypointId(long)}.
+     * Tests the method {@link ContentProviderUtils#getFirstWaypointId(long)}.
      */
     @Test
     public void testGetFirstWaypointId() {
@@ -538,7 +533,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getNextWaypointNumber(long, WaypointType)}.
+     * Tests the method {@link ContentProviderUtils#getNextWaypointNumber(long, WaypointType)}.
      */
     @Test
     public void testGetNextWaypointNumber() {
@@ -597,8 +592,8 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#insertWaypoint(Waypoint)} and
-     * {@link ContentProviderUtilsImpl#getWaypoint(long)}.
+     * Tests the method {@link ContentProviderUtils#insertWaypoint(Waypoint)} and
+     * {@link ContentProviderUtils#getWaypoint(long)}.
      */
     @Test
     public void testInsertAndGetWaypoint() {
@@ -615,7 +610,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#updateWaypoint(Waypoint)}.
+     * Tests the method {@link ContentProviderUtils#updateWaypoint(Waypoint)}.
      */
     @Test
     public void testUpdateWaypoint() {
@@ -637,7 +632,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#bulkInsertTrackPoint(Location[], int, long)}.
+     * Tests the method {@link ContentProviderUtils#bulkInsertTrackPoint(Location[], int, long)}.
      */
     @Test
     public void testBulkInsertTrackPoint() {
@@ -653,7 +648,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#createTrackPoint(Cursor)}.
+     * Tests the method {@link ContentProviderUtils#createTrackPoint(Cursor)}.
      */
     @Test
     public void testCreateTrackPoint() {
@@ -709,12 +704,11 @@ public class CustomContentProviderUtilsImplTest {
         Assert.assertEquals((double) latitude, location.getLatitude(), 0.01);
         Assert.assertEquals(time, location.getTime(), 0.01);
         Assert.assertEquals(speed, location.getSpeed(), 0.01);
-        verify(cursorMock);
     }
 
     /**
      * Tests the method
-     * {@link ContentProviderUtilsImpl#insertTrackPoint(Location, long)}.
+     * {@link ContentProviderUtils#insertTrackPoint(Location, long)}.
      */
     @Test
     public void testInsertTrackPoint() {
@@ -728,7 +722,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getFirstTrackPointId(long)}.
+     * Tests the method {@link ContentProviderUtils#getFirstTrackPointId(long)}.
      */
     @Test
     public void testGetFirstTrackPointId() {
@@ -741,7 +735,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getLastTrackPointId(long)}.
+     * Tests the method {@link ContentProviderUtils#getLastTrackPointId(long)}.
      */
     @Test
     public void testGetLastTrackPointId() {
@@ -754,7 +748,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getLastValidTrackPoint(long)}.
+     * Tests the method {@link ContentProviderUtils#getLastValidTrackPoint(long)}.
      */
     @Test
     public void testGetLastValidTrackPoint() {
@@ -768,7 +762,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getTrackPointCursor(long, long, int, boolean)} in descending.
+     * Tests the method {@link ContentProviderUtils#getTrackPointCursor(long, long, int, boolean)} in descending.
      */
     @Test
     public void testGetTrackPointCursor_desc() {
@@ -787,7 +781,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getTrackPointCursor(long, long, int, boolean)} in ascending.
+     * Tests the method {@link ContentProviderUtils#getTrackPointCursor(long, long, int, boolean)} in ascending.
      */
     @Test
     public void testGetTrackPointCursor_asc() {
@@ -806,7 +800,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getTrackPointLocationIterator(long, long, boolean, LocationFactory)} in descending.
+     * Tests the method {@link ContentProviderUtils#getTrackPointLocationIterator(long, long, boolean, LocationFactory)} in descending.
      */
     @Test
     public void testGetTrackPointLocationIterator_desc() {
@@ -822,7 +816,7 @@ public class CustomContentProviderUtilsImplTest {
 
         long startTrackPointId = trackpointIds[9];
 
-        LocationIterator locationIterator = providerUtils.getTrackPointLocationIterator(trackId, startTrackPointId, true, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        LocationIterator locationIterator = providerUtils.getTrackPointLocationIterator(trackId, startTrackPointId, true, LocationFactory.DEFAULT_LOCATION_FACTORY);
         for (int i = 0; i < trackpointIds.length; i++) {
             Assert.assertTrue(locationIterator.hasNext());
             Location location = locationIterator.next();
@@ -833,7 +827,7 @@ public class CustomContentProviderUtilsImplTest {
     }
 
     /**
-     * Tests the method {@link ContentProviderUtilsImpl#getTrackPointLocationIterator(long, long, boolean, LocationFactory)} in ascending.
+     * Tests the method {@link ContentProviderUtils#getTrackPointLocationIterator(long, long, boolean, LocationFactory)} in ascending.
      */
     @Test
     public void testGetTrackPointLocationIterator_asc() {
@@ -849,7 +843,7 @@ public class CustomContentProviderUtilsImplTest {
 
         long startTrackPointId = trackpointIds[0];
 
-        LocationIterator locationIterator = providerUtils.getTrackPointLocationIterator(trackId, startTrackPointId, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY);
+        LocationIterator locationIterator = providerUtils.getTrackPointLocationIterator(trackId, startTrackPointId, false, LocationFactory.DEFAULT_LOCATION_FACTORY);
         for (int i = 0; i < trackpointIds.length; i++) {
             Assert.assertTrue(locationIterator.hasNext());
             Location location = locationIterator.next();
@@ -896,7 +890,7 @@ public class CustomContentProviderUtilsImplTest {
     /**
      * Checks the value of a location.
      *
-     * @param i        the index of this location which created in the method {@link CustomContentProviderUtilsImplTest#getTrack(long, int)}
+     * @param i        the index of this location which created in the method {@link CustomContentProviderUtilsTest#getTrack(long, int)}
      * @param location the location to be checked
      */
     private void checkLocation(int i, Location location) {

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

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

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

@@ -17,17 +17,20 @@
 package de.dennisguse.opentracks.fragments;
 
 import android.location.Location;
+import android.os.Looper;
 
 import androidx.test.core.app.ApplicationProvider;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 
+import org.junit.AfterClass;
 import org.junit.Assert;
 import org.junit.Before;
+import org.junit.BeforeClass;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import de.dennisguse.opentracks.ChartView;
 import de.dennisguse.opentracks.TrackStubUtils;
+import de.dennisguse.opentracks.chart.ChartView;
 import de.dennisguse.opentracks.content.SensorDataSetLocation;
 import de.dennisguse.opentracks.content.sensor.SensorDataSet;
 import de.dennisguse.opentracks.util.UnitConversions;
@@ -44,10 +47,23 @@ public class ChartFragmentTest {
 
     private ChartFragment chartFragment;
 
+    @BeforeClass
+    public static void preSetUp() {
+        // Prepare looper for Android's message queue
+        if (Looper.myLooper() == null) Looper.prepare();
+    }
+
+    @AfterClass
+    public static void finalTearDown() {
+        if (Looper.myLooper() != null) Looper.myLooper().quit();
+    }
+
     @Before
     public void setUp() {
-        chartFragment = new ChartFragment();
-        chartFragment.setChartView(new ChartView(ApplicationProvider.getApplicationContext()));
+        boolean chartByDistance = false;
+        chartFragment = new ChartFragment(chartByDistance) {
+        };
+        chartFragment.setChartView(new ChartView(ApplicationProvider.getApplicationContext(), chartByDistance));
         chartFragment.setTripStatisticsUpdater(TrackStubUtils.INITIAL_TIME);
     }
 

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

@@ -112,7 +112,7 @@ public abstract class AbstractTestFileTrackImporter {
      * @param lastTrack   true if it is the last track in the gpx
      * @param trackId     the track id
      */
-    protected void expectUpdateTrack(ArgumentCaptor<Track> trackCaptor, boolean lastTrack, long trackId) {
+    protected void expectTrackUpdate(ArgumentCaptor<Track> trackCaptor, boolean lastTrack, long trackId) {
         contentProviderUtils.updateTrack(trackCaptor.capture());
 
         when(contentProviderUtils.insertWaypoint((Waypoint) any())).thenReturn(WAYPOINT_ID_O_URI);

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

@@ -27,13 +27,13 @@ import org.mockito.junit.MockitoJUnitRunner;
 import java.io.ByteArrayInputStream;
 import java.io.InputStream;
 
-import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.content.Track;
 import de.dennisguse.opentracks.util.PreferencesUtils;
 
 import static org.mockito.Mockito.any;
 import static org.mockito.Mockito.anyInt;
 import static org.mockito.Mockito.anyLong;
+import static org.mockito.Mockito.atLeastOnce;
 import static org.mockito.Mockito.eq;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -84,8 +84,7 @@ public class GpxFileTrackImporterTest extends AbstractTestFileTrackImporter {
 
     @Test
     public void testOneTrackOneSegment() throws Exception {
-        ArgumentCaptor<Track> trackCaptor = ArgumentCaptor.forClass(Track.class);
-
+        // given
         Location location0 = createLocation(0, DATE_FORMAT_0.parse(TRACK_TIME_0).getTime());
         Location location1 = createLocation(1, DATE_FORMAT_1.parse(TRACK_TIME_1).getTime());
 
@@ -95,25 +94,28 @@ public class GpxFileTrackImporterTest extends AbstractTestFileTrackImporter {
         // A flush happens at the end
         when(contentProviderUtils.bulkInsertTrackPoint((Location[]) any(), eq(1), eq(TRACK_ID_0))).thenReturn(1);
         when(contentProviderUtils.getLastTrackPointId(TRACK_ID_0)).thenReturn(TRACK_POINT_ID_1);
-        when(contentProviderUtils.getTrack(PreferencesUtils.getLong(context, R.string.recording_track_id_key))).thenReturn(null);
-        expectUpdateTrack(trackCaptor, true, TRACK_ID_0);
+        when(contentProviderUtils.getTrack(PreferencesUtils.getRecordingTrackId(context))).thenReturn(null);
+        ArgumentCaptor<Track> trackCaptor = ArgumentCaptor.forClass(Track.class);
+        expectTrackUpdate(trackCaptor, true, TRACK_ID_0);
 
+        // when
         InputStream inputStream = new ByteArrayInputStream(VALID_ONE_TRACK_ONE_SEGMENT_GPX.getBytes());
         GpxFileTrackImporter gpxFileTrackImporter = new GpxFileTrackImporter(context, contentProviderUtils);
         long trackId = gpxFileTrackImporter.importFile(inputStream);
+
+        // then
         Assert.assertEquals(TRACK_ID_0, trackId);
 
+        verify(contentProviderUtils, atLeastOnce()).updateTrack(trackCaptor.capture());
         long time0 = DATE_FORMAT_0.parse(TRACK_TIME_0).getTime();
         long time1 = DATE_FORMAT_1.parse(TRACK_TIME_1).getTime();
         Assert.assertEquals(time1 - time0, trackCaptor.getValue().getTripStatistics().getTotalTime());
-        verify(contentProviderUtils);
         verifyTrack(trackCaptor.getValue(), TRACK_NAME_0, TRACK_DESCRIPTION_0, time0);
     }
 
     @Test
     public void testOneTrackTwoSegments() throws Exception {
-        ArgumentCaptor<Track> trackCaptor = ArgumentCaptor.forClass(Track.class);
-
+        // given
         Location location0 = createLocation(0, DATE_FORMAT_0.parse(TRACK_TIME_0).getTime());
 
         when(contentProviderUtils.insertTrack((Track) any())).thenReturn(TRACK_ID_0_URI);
@@ -121,12 +123,18 @@ public class GpxFileTrackImporterTest extends AbstractTestFileTrackImporter {
         // A flush happens at the end
         when(contentProviderUtils.bulkInsertTrackPoint((Location[]) any(), eq(5), eq(TRACK_ID_0))).thenReturn(5);
         when(contentProviderUtils.getLastTrackPointId(TRACK_ID_0)).thenReturn(TRACK_POINT_ID_3);
-        when(contentProviderUtils.getTrack(PreferencesUtils.getLong(context, R.string.recording_track_id_key))).thenReturn(null);
-        expectUpdateTrack(trackCaptor, true, TRACK_ID_0);
+        when(contentProviderUtils.getTrack(PreferencesUtils.getRecordingTrackId(context))).thenReturn(null);
 
+        ArgumentCaptor<Track> trackCaptor = ArgumentCaptor.forClass(Track.class);
+        expectTrackUpdate(trackCaptor, true, TRACK_ID_0);
+
+        // when
         InputStream inputStream = new ByteArrayInputStream(VALID_ONE_TRACK_TWO_SEGMENTS_GPX.getBytes());
         GpxFileTrackImporter gpxFileTrackImporter = new GpxFileTrackImporter(context, contentProviderUtils);
         long trackId = gpxFileTrackImporter.importFile(inputStream);
+
+        // then
+        verify(contentProviderUtils, atLeastOnce()).updateTrack(trackCaptor.capture());
         Assert.assertEquals(TRACK_ID_0, trackId);
 
         long time0 = DATE_FORMAT_0.parse(TRACK_TIME_0).getTime();
@@ -135,30 +143,33 @@ public class GpxFileTrackImporterTest extends AbstractTestFileTrackImporter {
         long time3 = DATE_FORMAT_1.parse(TRACK_TIME_3).getTime();
         Assert.assertEquals(time1 - time0 + time3 - time2, trackCaptor.getValue().getTripStatistics().getTotalTime());
 
-        verify(contentProviderUtils);
         verifyTrack(trackCaptor.getValue(), TRACK_NAME_0, TRACK_DESCRIPTION_0, DATE_FORMAT_0.parse(TRACK_TIME_0).getTime());
     }
 
     @Test
     public void testOneTrackTwoSegmentsNoTime() {
-        ArgumentCaptor<Track> trackCaptor = ArgumentCaptor.forClass(Track.class);
-
+        // given
         when(contentProviderUtils.insertTrack((Track) any())).thenReturn(TRACK_ID_0_URI);
         expectFirstTrackPoint(null, TRACK_ID_0, TRACK_POINT_ID_0);
 
         // A flush happens at the end
         when(contentProviderUtils.bulkInsertTrackPoint((Location[]) any(), eq(5), eq(TRACK_ID_0))).thenReturn(5);
         when(contentProviderUtils.getLastTrackPointId(TRACK_ID_0)).thenReturn(TRACK_POINT_ID_3);
-        when(contentProviderUtils.getTrack(PreferencesUtils.getLong(context, R.string.recording_track_id_key))).thenReturn(null);
-        expectUpdateTrack(trackCaptor, true, TRACK_ID_0);
+        when(contentProviderUtils.getTrack(PreferencesUtils.getRecordingTrackId(context))).thenReturn(null);
 
+        ArgumentCaptor<Track> trackCaptor = ArgumentCaptor.forClass(Track.class);
+        expectTrackUpdate(trackCaptor, true, TRACK_ID_0);
+
+        // when
         InputStream inputStream = new ByteArrayInputStream(VALID_ONE_TRACK_TWO_SEGMENTS_NO_TIME_GPX.getBytes());
         GpxFileTrackImporter gpxFileTrackImporter = new GpxFileTrackImporter(context, contentProviderUtils);
         long trackId = gpxFileTrackImporter.importFile(inputStream);
-        Assert.assertEquals(TRACK_ID_0, trackId);
-        Assert.assertEquals(0, trackCaptor.getValue().getTripStatistics().getTotalTime());
 
-        verify(contentProviderUtils);
+        // then
+        verify(contentProviderUtils, atLeastOnce()).updateTrack(trackCaptor.capture());
+        Assert.assertEquals(TRACK_ID_0, trackId);
+
+        Assert.assertEquals(0, trackCaptor.getValue().getTripStatistics().getTotalTime());
         verifyTrack(trackCaptor.getValue(), TRACK_NAME_0, TRACK_DESCRIPTION_0, -1L);
     }
 
@@ -199,7 +210,7 @@ public class GpxFileTrackImporterTest extends AbstractTestFileTrackImporter {
         when(contentProviderUtils.bulkInsertTrackPoint((Location[]) any(), anyInt(), anyLong())).thenReturn(1);
         when(contentProviderUtils.getFirstTrackPointId(TRACK_ID_0)).thenReturn(TRACK_POINT_ID_0);
         when(contentProviderUtils.getLastTrackPointId(TRACK_ID_0)).thenReturn(TRACK_POINT_ID_0);
-        when(contentProviderUtils.getTrack(PreferencesUtils.getLong(context, R.string.recording_track_id_key))).thenReturn(null);
+        when(contentProviderUtils.getTrack(PreferencesUtils.getRecordingTrackId(context))).thenReturn(null);
         contentProviderUtils.deleteTrack(context, TRACK_ID_0);
 
         InputStream inputStream = new ByteArrayInputStream(xml.getBytes());

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

@@ -27,11 +27,11 @@ import org.mockito.junit.MockitoJUnitRunner;
 import java.io.ByteArrayInputStream;
 import java.io.InputStream;
 
-import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.content.Track;
 import de.dennisguse.opentracks.util.PreferencesUtils;
 
 import static org.mockito.Mockito.any;
+import static org.mockito.Mockito.atLeastOnce;
 import static org.mockito.Mockito.eq;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
@@ -68,8 +68,7 @@ public class KmlFileTrackImporterTest extends AbstractTestFileTrackImporter {
 
     @Test
     public void testOneTrackOneSegment() throws Exception {
-        ArgumentCaptor<Track> trackCaptor = ArgumentCaptor.forClass(Track.class);
-
+        // given
         Location location0 = createLocation(0, DATE_FORMAT_0.parse(TRACK_TIME_0).getTime());
         Location location1 = createLocation(1, DATE_FORMAT_1.parse(TRACK_TIME_1).getTime());
 
@@ -77,27 +76,31 @@ public class KmlFileTrackImporterTest extends AbstractTestFileTrackImporter {
         expectFirstTrackPoint(location0, TRACK_ID_0, TRACK_POINT_ID_0);
 
         // A flush happens at the end
-        when(contentProviderUtils.bulkInsertTrackPoint(new Location[]{location1}, eq(1), eq(TRACK_ID_0))).thenReturn(1);
+        when(contentProviderUtils.bulkInsertTrackPoint((Location[]) any(), eq(1), eq(TRACK_ID_0))).thenReturn(1);
         when(contentProviderUtils.getLastTrackPointId(TRACK_ID_0)).thenReturn(TRACK_POINT_ID_1);
-        when(contentProviderUtils.getTrack(PreferencesUtils.getLong(context, R.string.recording_track_id_key))).thenReturn(null);
-        expectUpdateTrack(trackCaptor, true, TRACK_ID_0);
+        when(contentProviderUtils.getTrack(PreferencesUtils.getRecordingTrackId(context))).thenReturn(null);
 
+        ArgumentCaptor<Track> trackCaptor = ArgumentCaptor.forClass(Track.class);
+        expectTrackUpdate(trackCaptor, true, TRACK_ID_0);
+
+        // when
         InputStream inputStream = new ByteArrayInputStream(VALID_ONE_TRACK_ONE_SEGMENT_GPX.getBytes());
         KmlFileTrackImporter kmlFileTrackImporter = new KmlFileTrackImporter(context, TRACK_ID_0, contentProviderUtils);
         long trackId = kmlFileTrackImporter.importFile(inputStream);
+
+        // then
+        verify(contentProviderUtils, atLeastOnce()).updateTrack(trackCaptor.capture());
         Assert.assertEquals(TRACK_ID_0, trackId);
 
         long time0 = DATE_FORMAT_0.parse(TRACK_TIME_0).getTime();
         long time1 = DATE_FORMAT_1.parse(TRACK_TIME_1).getTime();
         Assert.assertEquals(time1 - time0, trackCaptor.getValue().getTripStatistics().getTotalTime());
-        verify(contentProviderUtils);
         verifyTrack(trackCaptor.getValue(), TRACK_NAME_0, TRACK_DESCRIPTION_0, time0);
     }
 
     @Test
     public void testOneTrackTwoSegments() throws Exception {
-        ArgumentCaptor<Track> trackCaptor = ArgumentCaptor.forClass(Track.class);
-
+        // given
         Location location0 = createLocation(0, DATE_FORMAT_0.parse(TRACK_TIME_0).getTime());
 
         contentProviderUtils.clearTrack(context, TRACK_ID_0);
@@ -106,12 +109,18 @@ public class KmlFileTrackImporterTest extends AbstractTestFileTrackImporter {
         // A flush happens at the end
         when(contentProviderUtils.bulkInsertTrackPoint((Location[]) any(), eq(5), eq(TRACK_ID_0))).thenReturn(5);
         when(contentProviderUtils.getLastTrackPointId(TRACK_ID_0)).thenReturn(TRACK_POINT_ID_3);
-        when(contentProviderUtils.getTrack(PreferencesUtils.getLong(context, R.string.recording_track_id_key))).thenReturn(null);
-        expectUpdateTrack(trackCaptor, true, TRACK_ID_0);
+        when(contentProviderUtils.getTrack(PreferencesUtils.getRecordingTrackId(context))).thenReturn(null);
 
+        ArgumentCaptor<Track> trackCaptor = ArgumentCaptor.forClass(Track.class);
+        expectTrackUpdate(trackCaptor, true, TRACK_ID_0);
+
+        // when
         InputStream inputStream = new ByteArrayInputStream(VALID_ONE_TRACK_TWO_SEGMENTS_GPX.getBytes());
         KmlFileTrackImporter kmlFileTrackImporter = new KmlFileTrackImporter(context, TRACK_ID_0, contentProviderUtils);
         long trackId = kmlFileTrackImporter.importFile(inputStream);
+
+        // then
+        verify(contentProviderUtils, atLeastOnce()).updateTrack(trackCaptor.capture());
         Assert.assertEquals(TRACK_ID_0, trackId);
 
         long time0 = DATE_FORMAT_0.parse(TRACK_TIME_0).getTime();
@@ -120,7 +129,6 @@ public class KmlFileTrackImporterTest extends AbstractTestFileTrackImporter {
         long time3 = DATE_FORMAT_1.parse(TRACK_TIME_3).getTime();
         Assert.assertEquals(time1 - time0 + time3 - time2, trackCaptor.getValue().getTripStatistics().getTotalTime());
 
-        verify(contentProviderUtils);
         verifyTrack(trackCaptor.getValue(), TRACK_NAME_0, TRACK_DESCRIPTION_0, DATE_FORMAT_0.parse(TRACK_TIME_0).getTime());
     }
 }

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

@@ -0,0 +1,54 @@
+package de.dennisguse.opentracks.services;
+
+import android.app.NotificationManager;
+import android.content.Context;
+import android.location.Location;
+
+import androidx.core.app.NotificationCompat;
+import androidx.test.core.app.ApplicationProvider;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.junit.MockitoJUnitRunner;
+
+import static org.mockito.ArgumentMatchers.anyBoolean;
+import static org.mockito.ArgumentMatchers.anyString;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+@RunWith(MockitoJUnitRunner.class)
+public class TrackRecordingServiceNotificationManagerTest {
+
+    private Context context = ApplicationProvider.getApplicationContext();
+
+    @Mock
+    private Location locationMock;
+
+    @Mock
+    private NotificationCompat.Builder notificationCompatBuilder;
+
+    @Mock
+    private NotificationManager notificationManager;
+
+    @Test
+    public void updateLocation_triggersAlertOnlyOnFirstInaccurateLocation() {
+        when(locationMock.hasAccuracy()).thenReturn(true);
+        when(locationMock.getAccuracy()).thenReturn(999f);
+        when(notificationCompatBuilder.setContentText(anyString())).thenReturn(notificationCompatBuilder);
+        when(notificationCompatBuilder.setOnlyAlertOnce(anyBoolean())).thenReturn(notificationCompatBuilder);
+
+        TrackRecordingServiceNotificationManager subject = new TrackRecordingServiceNotificationManager(notificationManager, notificationCompatBuilder);
+
+        // when
+        subject.updateLocation(context, locationMock, 100);
+        subject.updateLocation(context, locationMock, 100);
+        subject.updateLocation(context, locationMock, 1000);
+        subject.updateLocation(context, locationMock, 100);
+
+        // then
+        verify(notificationCompatBuilder, times(6)).setOnlyAlertOnce(true);
+        verify(notificationCompatBuilder, times(2)).setOnlyAlertOnce(false);
+    }
+}

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

@@ -15,14 +15,12 @@
  */
 package de.dennisguse.opentracks.services;
 
-import android.content.BroadcastReceiver;
 import android.content.ContentProvider;
 import android.content.Context;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.location.Location;
 import android.os.IBinder;
-import android.util.Log;
 
 import androidx.test.core.app.ApplicationProvider;
 import androidx.test.ext.junit.runners.AndroidJUnit4;
@@ -38,7 +36,6 @@ import org.junit.Rule;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Random;
 import java.util.concurrent.TimeUnit;
@@ -74,17 +71,10 @@ public class TrackRecordingServiceTest {
     private Context context = ApplicationProvider.getApplicationContext();
     private ContentProviderUtils providerUtils;
 
-    private long trackId = Math.abs(new Random().nextLong());
+    private final long trackId = Math.abs(new Random().nextLong());
 
     static Intent createStartIntent(Context context) {
-        Intent startIntent = new Intent();
-        startIntent.setClass(context, TrackRecordingService.class);
-        return startIntent;
-    }
-
-    static void updateAutoResumePrefs(Context context, int attempts, int timeoutMins) {
-        PreferencesUtils.setInt(context, R.string.auto_resume_track_current_retry_key, attempts);
-        PreferencesUtils.setInt(context, R.string.auto_resume_track_timeout_key, timeoutMins);
+        return new Intent(context, TrackRecordingService.class);
     }
 
     @Before
@@ -94,15 +84,12 @@ public class TrackRecordingServiceTest {
         };
         customContentProvider.attachInfo(context, null);
 
-        providerUtils = ContentProviderUtils.Factory.get(context);
+        providerUtils = new ContentProviderUtils(context);
 
         // Let's use default values.
         SharedPreferences sharedPreferences = PreferencesUtils.getSharedPreferences(context);
         sharedPreferences.edit().clear().apply();
 
-        // Disable auto resume by default.
-        updateAutoResumePrefs(context, PreferencesUtils.AUTO_RESUME_TRACK_CURRENT_RETRY_DEFAULT, 0);
-
         // Ensure that the database is empty before every test
         providerUtils.deleteAllTracks(context);
     }
@@ -133,121 +120,16 @@ public class TrackRecordingServiceTest {
         Assert.assertNotNull(service);
     }
 
-    @MediumTest
-    @Test
-    public void testResumeAfterReboot_shouldResume() throws Exception {
-        // Insert a dummy track and mark it as recording track.
-        createDummyTrack(trackId, System.currentTimeMillis(), true);
-
-        // Clear the number of attempts and set the timeout to 10 min.
-        updateAutoResumePrefs(context, PreferencesUtils.AUTO_RESUME_TRACK_CURRENT_RETRY_DEFAULT, PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_DEFAULT);
-
-        // Start the service in "resume" mode (simulates the on-reboot action).
-        Intent startIntent = createStartIntent(context);
-        startIntent.putExtra(TrackRecordingService.RESUME_TRACK_EXTRA_NAME, true);
-        ITrackRecordingService service = ((ITrackRecordingService) mServiceRule.bindService(startIntent));
-        Assert.assertNotNull(service);
-
-        // We expect to resume the previous track.
-        Assert.assertTrue(service.isRecording());
-        Assert.assertEquals(trackId, service.getRecordingTrackId());
-    }
-
-    @MediumTest
-    @Test
-    public void testResumeAfterReboot_simulateReboot() throws Exception {
-        updateAutoResumePrefs(context, PreferencesUtils.AUTO_RESUME_TRACK_CURRENT_RETRY_DEFAULT, PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_DEFAULT);
-        ITrackRecordingService service = ((ITrackRecordingService) mServiceRule.bindService(createStartIntent(context)));
-        Assert.assertFalse(service.isRecording());
-
-        // Simulate recording a track.
-        long id = service.startNewTrack();
-        Assert.assertTrue(service.isRecording());
-        Assert.assertEquals(id, service.getRecordingTrackId());
-        mServiceRule.unbindService();
-        Assert.assertEquals(id, PreferencesUtils.getLong(context, R.string.recording_track_id_key));
-
-        // Start the service in "resume" mode (simulates the on-reboot action).
-        Intent startIntent = createStartIntent(context);
-        startIntent.putExtra(TrackRecordingService.RESUME_TRACK_EXTRA_NAME, true);
-        mServiceRule.startService(startIntent);
-        service = ((ITrackRecordingService) mServiceRule.bindService(createStartIntent(context)));
-        Assert.assertNotNull(service);
-
-        Assert.assertTrue(service.isRecording());
-    }
-
-    @MediumTest
-    @Test
-    public void testResumeAfterReboot_noRecordingTrack() throws Exception {
-        // Insert a dummy track and mark it as recording track.
-        createDummyTrack(trackId, System.currentTimeMillis(), false);
-
-        // Clear the number of attempts and set the timeout to 10 min.
-        updateAutoResumePrefs(context, PreferencesUtils.AUTO_RESUME_TRACK_CURRENT_RETRY_DEFAULT, PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_DEFAULT);
-
-        // Start the service in "resume" mode (simulates the on-reboot action).
-        Intent startIntent = createStartIntent(context);
-        startIntent.putExtra(TrackRecordingService.RESUME_TRACK_EXTRA_NAME, true);
-        ITrackRecordingService service = ((ITrackRecordingService) mServiceRule.bindService(startIntent));
-        Assert.assertNotNull(service);
-
-        // We don't expect to resume the previous track, because it was stopped.
-        Assert.assertFalse(service.isRecording());
-        Assert.assertEquals(-1L, service.getRecordingTrackId());
-    }
-
-    @MediumTest
-    @Test
-    public void testResumeAfterReboot_expiredTrack() throws Exception {
-        // Insert a dummy track last updated 20 min ago.
-        createDummyTrack(trackId, System.currentTimeMillis() - 20 * 60 * 1000, true);
-
-        // Clear the number of attempts and set the timeout to 10 min.
-        updateAutoResumePrefs(context, PreferencesUtils.AUTO_RESUME_TRACK_CURRENT_RETRY_DEFAULT, PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_DEFAULT);
-
-        // Start the service in "resume" mode (simulates the on-reboot action).
-        Intent startIntent = createStartIntent(context);
-        startIntent.putExtra(TrackRecordingService.RESUME_TRACK_EXTRA_NAME, true);
-        ITrackRecordingService service = ((ITrackRecordingService) mServiceRule.bindService(startIntent));
-        Assert.assertNotNull(service);
-
-        // We don't expect to resume the previous track, because it has expired.
-        Assert.assertFalse(service.isRecording());
-        Assert.assertEquals(PreferencesUtils.RECORDING_TRACK_ID_DEFAULT, service.getRecordingTrackId());
-    }
-
-    @MediumTest
-    @Test
-    public void testResumeAfterReboot_tooManyAttempts() throws Exception {
-        // Insert a dummy track.
-        createDummyTrack(trackId, System.currentTimeMillis(), true);
-
-        // Set the number of attempts to max.
-        updateAutoResumePrefs(context, TrackRecordingService.MAX_AUTO_RESUME_TRACK_RETRY_ATTEMPTS, PreferencesUtils.AUTO_RESUME_TRACK_TIMEOUT_DEFAULT);
-
-        // Start the service in "resume" mode (simulates the on-reboot action).
-        Intent startIntent = createStartIntent(context);
-        startIntent.putExtra(TrackRecordingService.RESUME_TRACK_EXTRA_NAME, true);
-
-        //Explicit start service, so `startCommand()` is executed - which would be called by BootReceiver.
-        context.startService(startIntent);
-
-        ITrackRecordingService service = ((ITrackRecordingService) mServiceRule.bindService(startIntent));
-        Assert.assertNotNull(service);
-
-        // We don't expect to resume the previous track, because there were already too many attempts.
-        Assert.assertFalse(service.isRecording());
-        Assert.assertEquals(PreferencesUtils.RECORDING_TRACK_ID_DEFAULT, service.getRecordingTrackId());
-    }
-
     @MediumTest
     @Test
     public void testRecording_noTracks() throws Exception {
         List<Track> tracks = providerUtils.getAllTracks();
         Assert.assertTrue(tracks.isEmpty());
 
-        ITrackRecordingService service = ((ITrackRecordingService) mServiceRule.bindService(createStartIntent(context)));
+        Intent startIntent = createStartIntent(context);
+        mServiceRule.startService(startIntent);
+        ITrackRecordingService service = ((ITrackRecordingService) mServiceRule.bindService(startIntent));
+
         // Test if we start in no-recording mode by default.
         Assert.assertFalse(service.isRecording());
         Assert.assertEquals(-1L, service.getRecordingTrackId());
@@ -266,11 +148,14 @@ public class TrackRecordingServiceTest {
     @MediumTest
     @Test
     public void testRecording_orphanedRecordingTrack() throws Exception {
+        Intent startIntent = createStartIntent(context);
+        ITrackRecordingService service = ((ITrackRecordingService) mServiceRule.bindService(startIntent));
+
         // Just set recording track to a bogus value.
+        // Make sure that the service will not start recording and will clear the bogus track.
         PreferencesUtils.setLong(context, R.string.recording_track_id_key, 123L);
 
-        // Make sure that the service will not start recording and will clear the bogus track.
-        ITrackRecordingService service = ((ITrackRecordingService) mServiceRule.bindService(createStartIntent(context)));
+        // then
         Assert.assertFalse(service.isRecording());
         Assert.assertEquals(PreferencesUtils.RECORDING_TRACK_ID_DEFAULT, service.getRecordingTrackId());
     }
@@ -278,16 +163,18 @@ public class TrackRecordingServiceTest {
     @MediumTest
     @Test
     public void testStartNewTrack_alreadyRecording() throws Exception {
-        createDummyTrack(trackId, -1L, true);
-
         ITrackRecordingService service = ((ITrackRecordingService) mServiceRule.bindService(createStartIntent(context)));
+        service.startNewTrack();
         Assert.assertTrue(service.isRecording());
+        long trackId = service.getRecordingTrackId();
 
         long newTrackId = service.startNewTrack();
         Assert.assertEquals(PreferencesUtils.RECORDING_TRACK_ID_DEFAULT, newTrackId);
 
-        Assert.assertEquals(trackId, PreferencesUtils.getLong(context, R.string.recording_track_id_key));
+        Assert.assertEquals(trackId, PreferencesUtils.getRecordingTrackId(context));
         Assert.assertEquals(trackId, service.getRecordingTrackId());
+
+        service.endCurrentTrack();
     }
 
     @MediumTest
@@ -299,48 +186,11 @@ public class TrackRecordingServiceTest {
         // Ending the current track when there is no recording should not result in any error.
         service.endCurrentTrack();
 
-        Assert.assertEquals(PreferencesUtils.RECORDING_TRACK_ID_DEFAULT, PreferencesUtils.getLong(context, R.string.recording_track_id_key));
+        Assert.assertFalse(PreferencesUtils.isRecording(context));
         Assert.assertEquals(PreferencesUtils.RECORDING_TRACK_ID_DEFAULT, service.getRecordingTrackId());
     }
 
-    @MediumTest
-    @Test
-    public void testInsertStatisticsMarker_noRecordingTrack() throws Exception {
-        ITrackRecordingService service = ((ITrackRecordingService) mServiceRule.bindService(createStartIntent(context)));
-        Assert.assertFalse(service.isRecording());
-
-        long waypointId = service.insertWaypoint(WaypointCreationRequest.DEFAULT_STATISTICS);
-        Assert.assertEquals(-1L, waypointId);
-    }
-
-    @MediumTest
-    @Test
-    public void testInsertStatisticsMarker_validLocation() throws Exception {
-        createDummyTrack(trackId, -1L, true);
-
-        ITrackRecordingService service = ((ITrackRecordingService) mServiceRule.bindService(createStartIntent(context)));
-        Assert.assertTrue(service.isRecording());
-        Assert.assertFalse(service.isPaused());
-        insertLocation(service);
-
-        long waypointId1 = service.insertWaypoint(WaypointCreationRequest.DEFAULT_STATISTICS);
-        Assert.assertNotEquals(-1L, waypointId1);
-        long waypointId2 = service.insertWaypoint(WaypointCreationRequest.DEFAULT_STATISTICS);
-        Assert.assertNotEquals(-1L, waypointId2);
-
-        Waypoint wpt = providerUtils.getWaypoint(waypointId1);
-        Assert.assertEquals(context.getString(R.string.marker_statistics_icon_url), wpt.getIcon());
-        Assert.assertEquals(context.getString(R.string.marker_split_name_format, 0), wpt.getName());
-        Assert.assertEquals(WaypointType.STATISTICS, wpt.getType());
-        Assert.assertEquals(trackId, wpt.getTrackId());
-        Assert.assertEquals(0.0, wpt.getLength(), 0.01);
-        Assert.assertNotNull(wpt.getLocation());
-        Assert.assertNotNull(wpt.getTripStatistics());
-        // TODO check the rest of the params.
-
-        // TODO: Check waypoint 2.
-    }
-
+    // NOTE: Do not use to create a track that is currently recording.
     private void createDummyTrack(long id, long stopTime, boolean isRecording) {
         Track dummyTrack = new Track();
         dummyTrack.setId(id);
@@ -388,12 +238,12 @@ public class TrackRecordingServiceTest {
     @MediumTest
     @Test
     public void testInsertWaypointMarker_validWaypoint() throws Exception {
-        createDummyTrack(trackId, -1L, true);
-
         ITrackRecordingService service = ((ITrackRecordingService) mServiceRule.bindService(createStartIntent(context)));
+        service.startNewTrack();
         Assert.assertTrue(service.isRecording());
         insertLocation(service);
 
+        long trackId = service.getRecordingTrackId();
         long waypointId = service.insertWaypoint(WaypointCreationRequest.DEFAULT_WAYPOINT);
         Assert.assertNotEquals(-1L, waypointId);
         Waypoint wpt = providerUtils.getWaypoint(waypointId);
@@ -404,46 +254,7 @@ public class TrackRecordingServiceTest {
         Assert.assertEquals(0.0, wpt.getLength(), 0.01);
         Assert.assertNotNull(wpt.getLocation());
         Assert.assertNull(wpt.getTripStatistics());
-    }
 
-    /**
-     * Synchronous/waitable broadcast receiver to be used in testing.
-     */
-    private class BlockingBroadcastReceiver extends BroadcastReceiver {
-        private static final long MAX_WAIT_TIME_MS = 3000;
-        private final List<Intent> receivedIntents = new ArrayList<>();
-
-        public List<Intent> getReceivedIntents() {
-            return receivedIntents;
-        }
-
-        @Override
-        public void onReceive(Context ctx, Intent intent) {
-            Log.d("Test", "Got broadcast: " + intent);
-            synchronized (receivedIntents) {
-                receivedIntents.add(intent);
-                receivedIntents.notifyAll();
-            }
-        }
-
-        public boolean waitUntilReceived(int receiveCount) {
-            long deadline = System.currentTimeMillis() + MAX_WAIT_TIME_MS;
-            synchronized (receivedIntents) {
-                while (receivedIntents.size() < receiveCount) {
-                    try {
-                        // Wait releases synchronized lock until it returns
-                        receivedIntents.wait(500);
-                    } catch (InterruptedException e) {
-                        // Do nothing
-                    }
-
-                    if (System.currentTimeMillis() > deadline) {
-                        return false;
-                    }
-                }
-            }
-
-            return true;
-        }
+        service.endCurrentTrack();
     }
 }

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

@@ -68,15 +68,12 @@ public class TrackRecordingServiceTestLooper {
         };
         customContentProvider.attachInfo(context, null);
 
-        providerUtils = ContentProviderUtils.Factory.get(context);
+        providerUtils = new ContentProviderUtils(context);
 
         // Let's use default values.
         SharedPreferences sharedPreferences = PreferencesUtils.getSharedPreferences(context);
         sharedPreferences.edit().clear().apply();
 
-        // Disable auto resume by default.
-        TrackRecordingServiceTest.updateAutoResumePrefs(context, PreferencesUtils.AUTO_RESUME_TRACK_CURRENT_RETRY_DEFAULT, 0);
-
         // Ensure that the database is empty before every test
         providerUtils.deleteAllTracks(context);
     }
@@ -103,7 +100,7 @@ public class TrackRecordingServiceTestLooper {
     @MediumTest
     @Test
     public void testWithProperties_voiceFrequencyDefault() throws TimeoutException {
-        PreferencesUtils.setInt(context, R.string.voice_frequency_key, PreferencesUtils.VOICE_FREQUENCY_DEFAULT);
+        PreferencesUtils.setInt(context, R.string.voice_frequency_key, Integer.parseInt(context.getResources().getString(R.string.voice_frequency_default)));
         fullRecordingSession();
     }
 
@@ -125,7 +122,7 @@ public class TrackRecordingServiceTestLooper {
     @MediumTest
     @Test
     public void testWithProperties_maxRecordingDistanceDefault() throws TimeoutException {
-        PreferencesUtils.setInt(context, R.string.max_recording_distance_key, PreferencesUtils.MAX_RECORDING_DISTANCE_DEFAULT);
+        PreferencesUtils.setInt(context, R.string.max_recording_distance_key, Integer.parseInt(context.getResources().getString(R.string.max_recording_distance_default)));
         fullRecordingSession();
     }
 
@@ -139,7 +136,8 @@ public class TrackRecordingServiceTestLooper {
     @MediumTest
     @Test
     public void testWithProperties_minRecordingDistanceDefault() throws TimeoutException {
-        PreferencesUtils.setInt(context, R.string.recording_distance_interval_key, PreferencesUtils.RECORDING_DISTANCE_INTERVAL_DEFAULT);
+        int minRecordingIntervalDefault = Integer.parseInt(context.getResources().getString(R.string.min_recording_interval_default));
+        PreferencesUtils.setInt(context, R.string.recording_distance_interval_key, minRecordingIntervalDefault);
         fullRecordingSession();
     }
 
@@ -150,31 +148,10 @@ public class TrackRecordingServiceTestLooper {
         fullRecordingSession();
     }
 
-    @MediumTest
-    @Test
-    public void testWithProperties_splitFrequencyDefault() throws TimeoutException {
-        PreferencesUtils.setInt(context, R.string.split_frequency_key, PreferencesUtils.SPLIT_FREQUENCY_DEFAULT);
-        fullRecordingSession();
-    }
-
-    @MediumTest
-    @Test
-    public void testWithProperties_splitFrequencyByDistance() throws TimeoutException {
-        PreferencesUtils.setInt(context, R.string.split_frequency_key, -1);
-        fullRecordingSession();
-    }
-
-    @MediumTest
-    @Test
-    public void testWithProperties_splitFrequencyByTime() throws TimeoutException {
-        PreferencesUtils.setInt(context, R.string.split_frequency_key, 1);
-        fullRecordingSession();
-    }
-
     @MediumTest
     @Test
     public void testWithProperties_metricUnitsDefault() throws TimeoutException {
-        PreferencesUtils.setString(context, R.string.stats_units_key, PreferencesUtils.STATS_UNITS_DEFAULT);
+        PreferencesUtils.setString(context, R.string.stats_units_key, context.getString(R.string.stats_units_default));
         fullRecordingSession();
     }
 
@@ -188,7 +165,7 @@ public class TrackRecordingServiceTestLooper {
     @MediumTest
     @Test
     public void testWithProperties_minRecordingIntervalDefault() throws TimeoutException {
-        PreferencesUtils.setInt(context, R.string.min_recording_interval_key, PreferencesUtils.MIN_RECORDING_INTERVAL_DEFAULT);
+        PreferencesUtils.setInt(context, R.string.min_recording_interval_key, Integer.parseInt(context.getResources().getString(R.string.min_recording_interval_default)));
         fullRecordingSession();
     }
 
@@ -202,7 +179,8 @@ public class TrackRecordingServiceTestLooper {
     @MediumTest
     @Test
     public void testWithProperties_minRequiredAccuracyDefault() throws TimeoutException {
-        PreferencesUtils.setInt(context, R.string.recording_gps_accuracy_key, PreferencesUtils.RECORDING_GPS_ACCURACY_DEFAULT);
+        int recordingGPSAccuracyDefault = Integer.parseInt(context.getResources().getString(R.string.recording_gps_accuracy_default));
+        PreferencesUtils.setInt(context, R.string.recording_gps_accuracy_key, recordingGPSAccuracyDefault);
         fullRecordingSession();
     }
 
@@ -225,7 +203,7 @@ public class TrackRecordingServiceTestLooper {
         Track track = providerUtils.getTrack(id);
         Assert.assertNotNull(track);
         Assert.assertEquals(id, track.getId());
-        Assert.assertEquals(id, PreferencesUtils.getLong(context, R.string.recording_track_id_key));
+        Assert.assertEquals(id, PreferencesUtils.getRecordingTrackId(context));
         Assert.assertEquals(id, service.getRecordingTrackId());
 
         // Insert a few points, markers and statistics.
@@ -240,9 +218,7 @@ public class TrackRecordingServiceTestLooper {
             location.setBearing(3.0f);
             service.insertTrackPoint(location);
 
-            if (i % 10 == 0) {
-                service.insertWaypoint(WaypointCreationRequest.DEFAULT_STATISTICS);
-            } else if (i % 7 == 0) {
+            if (i % 7 == 0) {
                 service.insertWaypoint(WaypointCreationRequest.DEFAULT_WAYPOINT);
             }
         }

src/androidTest/java/de/dennisguse/opentracks/services/tasks/AnnouncementPeriodicTaskTest.java

@@ -1,557 +0,0 @@
-/*
- * Copyright 2010 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.services.tasks;
-
-import android.content.Context;
-import android.os.Looper;
-import android.speech.tts.TextToSpeech;
-import android.speech.tts.TextToSpeech.OnInitListener;
-import android.speech.tts.TextToSpeech.OnUtteranceCompletedListener;
-import android.telephony.PhoneStateListener;
-import android.telephony.TelephonyManager;
-
-import androidx.test.core.app.ApplicationProvider;
-
-import org.junit.After;
-import org.junit.AfterClass;
-import org.junit.Assert;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.ArgumentCaptor;
-import org.mockito.Mock;
-import org.mockito.junit.MockitoJUnitRunner;
-
-import java.util.HashMap;
-import java.util.Locale;
-import java.util.concurrent.atomic.AtomicBoolean;
-
-import de.dennisguse.opentracks.stats.TripStatistics;
-
-import static org.mockito.Mockito.any;
-import static org.mockito.Mockito.eq;
-import static org.mockito.Mockito.reset;
-import static org.mockito.Mockito.same;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-
-/**
- * Tests for {@link AnnouncementPeriodicTask}.
- *
- * WARNING: I'm not responsible if your eyes start bleeding while reading this code.
- * You have been warned.
- * It's still better than no test, though.
- *
- * @author Rodrigo Damazio
- */
-@RunWith(MockitoJUnitRunner.class)
-public class AnnouncementPeriodicTaskTest {
-
-    // Use something other than our hardcoded value
-    private static final Locale DEFAULT_LOCALE = Locale.KOREAN;
-    private static final String ANNOUNCEMENT = "I can haz cheeseburger?";
-    private Locale oldDefaultLocale;
-
-    private Context context = ApplicationProvider.getApplicationContext();
-
-    private AnnouncementPeriodicTask task;
-    @Mock
-    private AnnouncementPeriodicTask mockTask;
-    private ArgumentCaptor<OnInitListener> initListenerCapture = ArgumentCaptor.forClass(OnInitListener.class);
-    private ArgumentCaptor<PhoneStateListener> phoneListenerCapture = ArgumentCaptor.forClass(PhoneStateListener.class);
-    private TextToSpeechDelegate ttsDelegate;
-    @Mock
-    private TextToSpeechInterface tts;
-
-    @BeforeClass
-    public static void preSetUp() {
-        // Prepare looper for Android's message queue
-        if (Looper.myLooper() == null) Looper.prepare();
-    }
-
-    @AfterClass
-    public static void finalTearDown() {
-        if (Looper.myLooper() != null) Looper.myLooper().quit();
-    }
-
-    @Before
-    public void setUp() throws Exception {
-        oldDefaultLocale = Locale.getDefault();
-        Locale.setDefault(DEFAULT_LOCALE);
-
-        // Eww, the effort required just to mock TextToSpeech is insane
-        final AtomicBoolean listenerCalled = new AtomicBoolean();
-        OnInitListener blockingListener = new OnInitListener() {
-            @Override
-            public void onInit(int status) {
-                synchronized (this) {
-                    listenerCalled.set(true);
-                    notify();
-                }
-            }
-        };
-
-        ttsDelegate = new TextToSpeechDelegate(context, blockingListener);
-
-        // Wait for all async operations done in the constructor to finish.
-        synchronized (blockingListener) {
-            while (!listenerCalled.get()) {
-                // Releases the synchronized lock until we're woken up.
-                blockingListener.wait();
-            }
-        }
-
-        // Create a partial forwarding mock
-        task = new AnnouncementPeriodicTask(context) {
-            @Override
-            protected TextToSpeech newTextToSpeech(Context ctx, OnInitListener onInitListener) {
-                return mockTask.newTextToSpeech(ctx, onInitListener);
-            }
-
-            @Override
-            protected String getAnnouncement(TripStatistics stats) {
-                return mockTask.getAnnouncement(stats);
-            }
-
-            @Override
-            protected void listenToPhoneState(PhoneStateListener listener, int events) {
-                mockTask.listenToPhoneState(listener, events);
-            }
-        };
-    }
-
-    @After
-    public void tearDown() {
-        Locale.setDefault(oldDefaultLocale);
-    }
-
-    @Test
-    public void testStart() {
-        doStart();
-        OnInitListener ttsInitListener = initListenerCapture.getValue();
-        Assert.assertNotNull(ttsInitListener);
-
-        ttsInitListener.onInit(TextToSpeech.SUCCESS);
-        //TODO
-        //verify(mockTask, tts);
-    }
-
-    @Test
-    public void testStart_notReady() {
-        doStart();
-        OnInitListener ttsInitListener = initListenerCapture.getValue();
-        Assert.assertNotNull(ttsInitListener);
-
-        ttsInitListener.onInit(TextToSpeech.ERROR);
-        //TODO
-        //AndroidMock.verify(mockTask, tts);
-    }
-
-    @Test
-    public void testShutdown() {
-        // First, start
-        doStart();
-        verify(mockTask);
-        reset(mockTask);
-
-        // Then, shut down
-        PhoneStateListener phoneListener = phoneListenerCapture.getValue();
-        mockTask.listenToPhoneState(
-                same(phoneListener), eq(PhoneStateListener.LISTEN_NONE));
-        tts.shutdown();
-        task.shutdown();
-        //TODO
-        //AndroidMock.verify(mockTask, tts);
-    }
-
-    @Test
-    public void testRun() {
-        // when service data calls
-        TripStatistics stats = new TripStatistics();
-
-        // when announcement building call
-        when(mockTask.getAnnouncement(same(stats))).thenReturn(ANNOUNCEMENT);
-
-        // Put task in "ready" state
-        startTask(TextToSpeech.SUCCESS);
-
-        when(tts.isLanguageAvailable(DEFAULT_LOCALE)).thenReturn(TextToSpeech.LANG_AVAILABLE);
-        when(tts.setLanguage(DEFAULT_LOCALE)).thenReturn(TextToSpeech.LANG_AVAILABLE);
-        when(tts.setSpeechRate(AnnouncementPeriodicTask.TTS_SPEECH_RATE)).thenReturn(TextToSpeech.SUCCESS);
-        when(tts.setOnUtteranceCompletedListener((OnUtteranceCompletedListener) any())).thenReturn(0);
-
-        // Run the announcement
-        task.announce(stats);
-        //TODO
-        //AndroidMock.verify(mockTask, tts);
-    }
-
-    @Test
-    public void testRun_notReady() {
-        // Put task in "not ready" state
-        startTask(TextToSpeech.ERROR);
-
-        // Run the announcement
-        task.run(null);
-        //TODO
-        //verify(mockTask, tts);
-    }
-
-    @Test
-    public void testRun_duringCall() {
-        startTask(TextToSpeech.SUCCESS);
-
-        when(tts.isSpeaking()).thenReturn(false);
-
-        // Run the announcement
-        PhoneStateListener phoneListener = phoneListenerCapture.getValue();
-        phoneListener.onCallStateChanged(TelephonyManager.CALL_STATE_OFFHOOK, null);
-        task.run(null);
-        //TODO
-        //verify(mockTask, tts);
-    }
-
-    @Test
-    public void testRun_ringWhileSpeaking() {
-        startTask(TextToSpeech.SUCCESS);
-
-        when(tts.isSpeaking()).thenReturn(true);
-        when(tts.stop()).thenReturn(TextToSpeech.SUCCESS);
-
-        // Update the state to ringing - this should stop the current announcement.
-        PhoneStateListener phoneListener = phoneListenerCapture.getValue();
-        phoneListener.onCallStateChanged(TelephonyManager.CALL_STATE_RINGING, null);
-
-        // Run the announcement - this should do nothing.
-        task.run(null);
-        //TODO
-        //AndroidMock.verify(mockTask, tts);
-    }
-
-    @Test
-    public void testRun_whileRinging() {
-        startTask(TextToSpeech.SUCCESS);
-
-        when(tts.isSpeaking()).thenReturn(false);
-
-        // Run the announcement
-        PhoneStateListener phoneListener = phoneListenerCapture.getValue();
-        phoneListener.onCallStateChanged(TelephonyManager.CALL_STATE_RINGING, null);
-        task.run(null);
-        //TODO
-        //AndroidMock.verify(mockTask, tts);
-    }
-
-    @Test
-    public void testRun_noService() {
-        startTask(TextToSpeech.SUCCESS);
-
-        // Run the announcement
-        task.run(null);
-        //TODO
-        //AndroidMock.verify(mockTask, tts);
-    }
-
-    @Test
-    public void testRun_noStats() {
-        // when service data calls
-
-        startTask(TextToSpeech.SUCCESS);
-
-        // Run the announcement
-        task.run(null);
-        //TODO
-        //AndroidMock.verify(mockTask, tts);
-    }
-
-    /**
-     * Tests {@link AnnouncementPeriodicTask#getAnnounceTime(long)} with time zero.
-     */
-    @Test
-    public void testGetAnnounceTime_time_zero() {
-        long time = 0; // 0 seconds
-        Assert.assertEquals("0 minutes 0 seconds", task.getAnnounceTime(time));
-    }
-
-    /**
-     * Tests {@link AnnouncementPeriodicTask#getAnnounceTime(long)} with time one.
-     */
-    @Test
-    public void testGetAnnounceTime_time_one() {
-        long time = 1000; // 1 second
-        Assert.assertEquals("0 minutes 1 second", task.getAnnounceTime(time));
-    }
-
-    /**
-     * Tests {@link AnnouncementPeriodicTask#getAnnounceTime(long)} with singular
-     * numbers with the hour unit.
-     */
-    @Test
-    public void testGetAnnounceTime_singular_has_hour() {
-        long time = (60 * 60 * 1000) + (60 * 1000) + (1000); // 1 hour 1 minute 1 second
-        Assert.assertEquals("1 hour 1 minute 1 second", task.getAnnounceTime(time));
-    }
-
-    /**
-     * Tests {@link AnnouncementPeriodicTask#getAnnounceTime(long)} with plural numbers
-     * with the hour unit.
-     */
-    @Test
-    public void testGetAnnounceTime_plural_has_hour() {
-        long time = (2 * 60 * 60 * 1000) + (2 * 60 * 1000) + (2 * 1000); // 2 hours 2 minutes 2 seconds
-        Assert.assertEquals("2 hours 2 minutes 2 seconds", task.getAnnounceTime(time));
-    }
-
-    /**
-     * Tests {@link AnnouncementPeriodicTask#getAnnounceTime(long)} with singular
-     * numbers without the hour unit.
-     */
-    @Test
-    public void testGetAnnounceTime_singular_no_hour() {
-        long time = (1 * 60 * 1000) + (1 * 1000); // 1 minute 1 second
-        Assert.assertEquals("1 minute 1 second", task.getAnnounceTime(time));
-    }
-
-    /**
-     * Tests {@link AnnouncementPeriodicTask#getAnnounceTime(long)} with plural numbers
-     * without the hour unit.
-     */
-    @Test
-    public void testGetAnnounceTime_plural_no_hour() {
-        long time = (2 * 60 * 1000) + (2 * 1000); // 2 minutes 2 seconds
-        Assert.assertEquals("2 minutes 2 seconds", task.getAnnounceTime(time));
-    }
-
-    private void startTask(int state) {
-        reset(tts);
-        doStart();
-        OnInitListener ttsInitListener = initListenerCapture.getValue();
-        ttsInitListener.onInit(state);
-        //TODO
-        reset(tts);
-        //AndroidMock.resetToDefault(tts);
-    }
-
-    private void doStart() {
-        mockTask.listenToPhoneState(phoneListenerCapture.capture(), eq(PhoneStateListener.LISTEN_CALL_STATE));
-        when(mockTask.newTextToSpeech(same(context), initListenerCapture.capture())).thenReturn(ttsDelegate);
-
-        task.start();
-    }
-
-    /**
-     * Mockable interface that we delegate TTS calls to.
-     */
-    interface TextToSpeechInterface {
-        int addEarcon(String earcon, String packagename, int resourceId);
-
-        int addEarcon(String earcon, String filename);
-
-        int addSpeech(String text, String packagename, int resourceId);
-
-        int addSpeech(String text, String filename);
-
-        boolean areDefaultsEnforced();
-
-        String getDefaultEngine();
-
-        Locale getLanguage();
-
-        int isLanguageAvailable(Locale loc);
-
-        boolean isSpeaking();
-
-        int playEarcon(String earcon, int queueMode,
-                       HashMap<String, String> params);
-
-        int playSilence(long durationInMs, int queueMode, HashMap<String, String> params);
-
-        int setLanguage(Locale loc);
-
-        int setOnUtteranceCompletedListener(OnUtteranceCompletedListener listener);
-
-        int setPitch(float pitch);
-
-        int setSpeechRate(float speechRate);
-
-        void shutdown();
-
-        int speak(String text, int queueMode, HashMap<String, String> params);
-
-        int stop();
-
-        int synthesizeToFile(String text, HashMap<String, String> params, String filename);
-    }
-
-    /**
-     * Subclass of {@link TextToSpeech} which delegates calls to the interface
-     * above.
-     * The logic here is stupid and the author is ashamed of having to write it
-     * like this, but basically the issue is that TextToSpeech cannot be mocked
-     * without running its constructor, its constructor runs async operations
-     * which call other methods (and then if the methods are part of a mock we'd
-     * have to set a behavior, but we can't 'cause the object hasn't been fully
-     * built yet).
-     * The logic is that calls made during the constructor (when tts is not yet
-     * set) will go up to the original class, but after tts is set we'll forward
-     * them all to the mock.
-     */
-    private class TextToSpeechDelegate extends TextToSpeech implements TextToSpeechInterface {
-        public TextToSpeechDelegate(Context context, OnInitListener listener) {
-            super(context, listener);
-        }
-
-        @Override
-        public int addEarcon(String earcon, String packagename, int resourceId) {
-            if (tts == null) {
-                return super.addEarcon(earcon, packagename, resourceId);
-            }
-            return tts.addEarcon(earcon, packagename, resourceId);
-        }
-
-        @Override
-        public int addEarcon(String earcon, String filename) {
-            if (tts == null) {
-                return super.addEarcon(earcon, filename);
-            }
-            return tts.addEarcon(earcon, filename);
-        }
-
-        @Override
-        public int addSpeech(String text, String packagename, int resourceId) {
-            if (tts == null) {
-                return super.addSpeech(text, packagename, resourceId);
-            }
-            return tts.addSpeech(text, packagename, resourceId);
-        }
-
-        @Override
-        public int addSpeech(String text, String filename) {
-            if (tts == null) {
-                return super.addSpeech(text, filename);
-            }
-            return tts.addSpeech(text, filename);
-        }
-
-        @Override
-        public Locale getLanguage() {
-            if (tts == null) {
-                return super.getLanguage();
-            }
-            return tts.getLanguage();
-        }
-
-        @Override
-        public int isLanguageAvailable(Locale loc) {
-            if (tts == null) {
-                return super.isLanguageAvailable(loc);
-            }
-            return tts.isLanguageAvailable(loc);
-        }
-
-        @Override
-        public boolean isSpeaking() {
-            if (tts == null) {
-                return super.isSpeaking();
-            }
-            return tts.isSpeaking();
-        }
-
-        @Override
-        public int playEarcon(String earcon, int queueMode, HashMap<String, String> params) {
-            if (tts == null) {
-                return super.playEarcon(earcon, queueMode, params);
-            }
-            return tts.playEarcon(earcon, queueMode, params);
-        }
-
-        @Override
-        public int playSilence(long durationInMs, int queueMode, HashMap<String, String> params) {
-            if (tts == null) {
-                return super.playSilence(durationInMs, queueMode, params);
-            }
-            return tts.playSilence(durationInMs, queueMode, params);
-        }
-
-        @Override
-        public int setLanguage(Locale loc) {
-            if (tts == null) {
-                return super.setLanguage(loc);
-            }
-            return tts.setLanguage(loc);
-        }
-
-        @Override
-        public int setOnUtteranceCompletedListener(OnUtteranceCompletedListener listener) {
-            if (tts == null) {
-                return super.setOnUtteranceCompletedListener(listener);
-            }
-            return tts.setOnUtteranceCompletedListener(listener);
-        }
-
-        @Override
-        public int setPitch(float pitch) {
-            if (tts == null) {
-                return super.setPitch(pitch);
-            }
-            return tts.setPitch(pitch);
-        }
-
-        @Override
-        public int setSpeechRate(float speechRate) {
-            if (tts == null) {
-                return super.setSpeechRate(speechRate);
-            }
-            return tts.setSpeechRate(speechRate);
-        }
-
-        @Override
-        public void shutdown() {
-            if (tts == null) {
-                super.shutdown();
-                return;
-            }
-            tts.shutdown();
-        }
-
-        @Override
-        public int speak(
-                String text, int queueMode, HashMap<String, String> params) {
-            if (tts == null) {
-                return super.speak(text, queueMode, params);
-            }
-            return tts.speak(text, queueMode, params);
-        }
-
-        @Override
-        public int stop() {
-            if (tts == null) {
-                return super.stop();
-            }
-            return tts.stop();
-        }
-
-        @Override
-        public int synthesizeToFile(String text, HashMap<String, String> params, String filename) {
-            if (tts == null) {
-                return super.synthesizeToFile(text, params, filename);
-            }
-            return tts.synthesizeToFile(text, params, filename);
-        }
-    }
-}

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

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

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

@@ -131,7 +131,7 @@ public class StringUtilsTest {
         assertGetTime("2010-05-04T03:02:01.3", 2010, 5, 4, 3, 2, 1, 300);
         assertGetTime("2010-05-04T03:02:01.35", 2010, 5, 4, 3, 2, 1, 350);
         assertGetTime("2010-05-04T03:02:01.352Z", 2010, 5, 4, 3, 2, 1, 352);
-        assertGetTime("2010-05-04T03:02:01.3525Z", 2010, 5, 4, 3, 2, 1, 352);
+        assertGetTime("2010-05-04T03:02:01.3529Z", 2010, 5, 4, 3, 2, 1, 353);
     }
 
     /**
@@ -199,4 +199,24 @@ public class StringUtilsTest {
         Assert.assertEquals(-1, parts[1]);
         Assert.assertEquals(0, parts[2]);
     }
+
+    @Test
+    public void testFormatDecimal() {
+        Assert.assertEquals("0", StringUtils.formatDecimal(0.0, 0));
+        Assert.assertEquals("0", StringUtils.formatDecimal(0.1, 0));
+        Assert.assertEquals("1", StringUtils.formatDecimal(1.1, 0));
+        Assert.assertEquals("10", StringUtils.formatDecimal(10, 0));
+        Assert.assertEquals("10", StringUtils.formatDecimal(10.1, 0));
+        Assert.assertEquals("0", StringUtils.formatDecimal(-0.1, 0));
+
+        Assert.assertEquals("0", StringUtils.formatDecimal(0.0, 2));
+        Assert.assertEquals("0.1", StringUtils.formatDecimal(0.1, 2));
+        Assert.assertEquals("1.1", StringUtils.formatDecimal(1.1, 2));
+        Assert.assertEquals("10", StringUtils.formatDecimal(10, 2));
+        Assert.assertEquals("10.1", StringUtils.formatDecimal(10.1, 2));
+        Assert.assertEquals("10.11", StringUtils.formatDecimal(10.111, 2));
+        Assert.assertEquals("-0.1", StringUtils.formatDecimal(-0.1, 2));
+
+        Assert.assertEquals("1", StringUtils.formatDecimal(0.99, 1));
+    }
 }

src/main/AndroidManifest.xml

@@ -16,8 +16,8 @@ limitations under the License.
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
     package="de.dennisguse.opentracks"
     android:installLocation="auto"
-    android:versionCode="3063"
-    android:versionName="v3.2.1"> <!-- For FDroid. -->
+    android:versionCode="3195"
+    android:versionName="v3.2.10"> <!-- For FDroid. -->
     <!-- Permission to initialize services -->
     <application
         android:name=".Startup"
@@ -25,17 +25,18 @@ limitations under the License.
         android:hardwareAccelerated="true"
         android:icon="@drawable/ic_logo_color_24dp"
         android:label="@string/app_name"
+        android:requestLegacyExternalStorage="true"
         android:theme="@style/ThemeCustom">
 
         <!-- Activities -->
         <activity android:name=".AboutActivity" />
 
-        <activity
-            android:name=".AggregatedStatsActivity"
-            android:label="@string/menu_aggregated_statistics" />
-
         <activity android:name=".DeleteActivity" />
 
+        <activity
+            android:name=".HelpActivity"
+            android:label="@string/menu_help" />
+
         <activity
             android:name=".io.file.importer.ImportActivity"
             android:theme="@style/ThemeCustomTransparent">
@@ -54,10 +55,10 @@ limitations under the License.
             </intent-filter>
         </activity>
 
-        <activity android:name=".MarkerEditActivity" />
-
         <activity android:name=".MarkerDetailActivity" />
 
+        <activity android:name=".MarkerEditActivity" />
+
         <activity
             android:name=".MarkerListActivity"
             android:label="@string/menu_markers">
@@ -99,7 +100,6 @@ limitations under the License.
 
         <activity android:name=".settings.SettingsActivity" />
 
-        <!-- Services -->
         <provider
             android:name=".content.ShareContentProvider"
             android:authorities="${applicationId}.content"
@@ -116,18 +116,11 @@ limitations under the License.
                 android:resource="@xml/file_paths" />
         </provider>
 
-        <!-- Receivers -->
-        <receiver android:name=".BootReceiver">
-            <intent-filter>
-                <action android:name="android.intent.action.BOOT_COMPLETED" />
-            </intent-filter>
-        </receiver>
-
-        <!-- Providers -->
         <service
             android:name=".services.TrackRecordingService"
             android:enabled="true"
             android:exported="false"
+            android:foregroundServiceType="location|connectedDevice"
             android:icon="@drawable/ic_logo_color_24dp"
             android:label="@string/recording_service" />
     </application>
@@ -142,44 +135,23 @@ limitations under the License.
         android:name="android.hardware.location.gps"
         android:required="true" />
     <uses-feature
-        android:name="android.hardware.bluetooth"
+        android:name="android.hardware.android.hardware.bluetooth_le"
         android:required="false" />
-    <!-- Permissions to access sensors -->
     <uses-feature
         android:name="android.hardware.camera"
         android:required="false" />
-    <uses-feature
-        android:name="android.hardware.faketouch"
-        android:required="false" />
-    <!-- Permission to read phone state so voice announcement will not interrupt ongoing calls -->
     <uses-feature
         android:name="android.hardware.sensor.compass"
         android:required="false" />
-    <!-- Permission to read/write external storage -->
-    <uses-feature
-        android:name="android.hardware.telephony"
-        android:required="false" />
-    <uses-feature
-        android:name="android.hardware.telephony.gsm"
-        android:required="false" />
-    <!-- Required features -->
     <uses-feature
         android:name="android.hardware.touchscreen"
         android:required="false" />
-    <!-- Optional features -->
-    <uses-feature
-        android:name="android.hardware.touchscreen.multitouch"
-        android:required="false" />
 
-    <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
     <uses-permission android:name="android.permission.WAKE_LOCK" />
     <uses-permission android:name="android.permission.BLUETOOTH" />
     <uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
-    <uses-permission android:name="android.permission.READ_PHONE_STATE" />
-
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-
     <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
 </manifest>

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

@@ -17,23 +17,28 @@
 package de.dennisguse.opentracks;
 
 import android.os.Bundle;
-import android.speech.tts.TextToSpeech;
 
-import androidx.fragment.app.FragmentActivity;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.appcompat.widget.Toolbar;
+
+import de.dennisguse.opentracks.util.TTSUtils;
 
 /**
  * @author Jimmy Shih
  */
-public abstract class AbstractActivity extends FragmentActivity {
+public abstract class AbstractActivity extends AppCompatActivity {
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
         // Set volume control stream for text to speech
-        setVolumeControlStream(TextToSpeech.Engine.DEFAULT_STREAM);
+        setVolumeControlStream(TTSUtils.getTTSStream());
 
         setContentView(getLayoutResId());
+
+        Toolbar toolbar = findViewById(R.id.toolbar);
+        setSupportActionBar(toolbar);
     }
 
     /**

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

@@ -16,24 +16,7 @@
 
 package de.dennisguse.opentracks;
 
-import android.app.Activity;
-import android.app.SearchManager;
-import android.content.ComponentName;
-import android.content.Context;
 import android.content.Intent;
-import android.util.Log;
-import android.util.SparseBooleanArray;
-import android.view.ActionMode;
-import android.view.Menu;
-import android.view.MenuItem;
-import android.view.View;
-import android.widget.AbsListView;
-import android.widget.ListView;
-import android.widget.SearchView;
-
-import androidx.annotation.NonNull;
-
-import java.util.ArrayList;
 
 import de.dennisguse.opentracks.fragments.ConfirmDeleteDialogFragment;
 import de.dennisguse.opentracks.fragments.ConfirmDeleteDialogFragment.ConfirmDeleteCaller;
@@ -58,115 +41,6 @@ public abstract class AbstractListActivity extends AbstractActivity implements C
     protected static final int GPS_REQUEST_CODE = 6;
     private static final int DELETE_REQUEST_CODE = 3;
 
-    public static void configureListViewContextualMenu(final ListView listView, final ContextualActionModeCallback contextualActionModeCallback) {
-        listView.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE_MODAL);
-        listView.setMultiChoiceModeListener(new AbsListView.MultiChoiceModeListener() {
-
-            @Override
-            public boolean onCreateActionMode(ActionMode mode, Menu menu) {
-                mode.getMenuInflater().inflate(R.menu.list_context_menu, menu);
-                return true;
-            }
-
-            @Override
-            public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
-                contextualActionModeCallback.onPrepare(menu, getCheckedPositions(listView), listView.getCheckedItemIds(), true);
-                return true;
-            }
-
-            @Override
-            public void onDestroyActionMode(ActionMode mode) {
-                // Do nothing
-            }
-
-            @Override
-            public void onItemCheckedStateChanged(ActionMode mode, int position, long id, boolean checked) {
-                mode.invalidate();
-            }
-
-            @Override
-            public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
-                if (contextualActionModeCallback.onClick(item.getItemId(), getCheckedPositions(listView), listView.getCheckedItemIds())) {
-                    mode.finish();
-                }
-                return true;
-            }
-
-            /**
-             * Gets the checked positions in a list view.
-             *
-             * @param list the list view
-             */
-            private int[] getCheckedPositions(ListView list) {
-                SparseBooleanArray positions = list.getCheckedItemPositions();
-                ArrayList<Integer> arrayList = new ArrayList<>();
-                for (int i = 0; i < positions.size(); i++) {
-                    int key = positions.keyAt(i);
-                    if (positions.valueAt(i)) {
-                        arrayList.add(key);
-                    }
-                }
-                int[] result = new int[arrayList.size()];
-                for (int i = 0; i < arrayList.size(); i++) {
-                    result[i] = arrayList.get(i);
-                }
-                return result;
-            }
-        });
-    }
-
-    public static void configureSearchWidget(Activity activity, final MenuItem menuItem, final TrackController trackController) {
-        final SearchView searchView = (SearchView) menuItem.getActionView();
-        SearchManager searchManager = (SearchManager) activity.getSystemService(Context.SEARCH_SERVICE);
-        if (searchManager != null) {
-            //NOTE: for some reason activity.getComponentName() did not trigger the SearchListActivity
-            searchView.setSearchableInfo(searchManager.getSearchableInfo(new ComponentName(activity, SearchListActivity.class)));
-        } else {
-            Log.w(TAG, "Could not retrieve SearchManager.");
-        }
-        searchView.setQueryRefinementEnabled(true);
-        searchView.setSubmitButtonEnabled(true);
-        searchView.setOnQueryTextFocusChangeListener(new View.OnFocusChangeListener() {
-
-            @Override
-            public void onFocusChange(View v, boolean hasFocus) {
-                // Hide and show trackController when searchable widget has focus/no focus
-                if (trackController != null) {
-                    if (hasFocus) {
-                        trackController.hide();
-                    } else {
-                        trackController.show();
-                    }
-                }
-            }
-        });
-
-        searchView.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
-            @Override
-            public boolean onQueryTextSubmit(String query) {
-                menuItem.collapseActionView();
-                return false;
-            }
-
-            @Override
-            public boolean onQueryTextChange(String newText) {
-                return false;
-            }
-        });
-        searchView.setOnSuggestionListener(new SearchView.OnSuggestionListener() {
-            @Override
-            public boolean onSuggestionSelect(int position) {
-                return false;
-            }
-
-            @Override
-            public boolean onSuggestionClick(int position) {
-                menuItem.collapseActionView();
-                return false;
-            }
-        });
-    }
-
     @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         if (requestCode == DELETE_REQUEST_CODE) {
@@ -191,7 +65,7 @@ public abstract class AbstractListActivity extends AbstractActivity implements C
         if (trackIds.length == 1 && trackIds[0] == -1L) {
             stopRecording = true;
         } else {
-            long recordingTrackId = PreferencesUtils.getLong(this, R.string.recording_track_id_key);
+            long recordingTrackId = PreferencesUtils.getRecordingTrackId(this);
             for (long trackId : trackIds) {
                 if (trackId == recordingTrackId) {
                     stopRecording = true;
@@ -208,10 +82,9 @@ public abstract class AbstractListActivity extends AbstractActivity implements C
     }
 
     /**
-     * Gets the track recording service connection. For stopping the current
-     * recording if need to delete the current recording track.
+     * Gets the track recording service connection.
+     * For stopping the current recording if need to delete the current recording track.
      */
-    @NonNull
     abstract protected TrackRecordingServiceConnection getTrackRecordingServiceConnection();
 
     /**

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

@@ -1,62 +0,0 @@
-/*
- * Copyright 2012 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;
-
-import android.os.Bundle;
-
-import java.util.List;
-
-import de.dennisguse.opentracks.content.ContentProviderUtils;
-import de.dennisguse.opentracks.content.Track;
-import de.dennisguse.opentracks.stats.TripStatistics;
-import de.dennisguse.opentracks.util.StatsUtils;
-
-/**
- * An activity to view aggregated stats from all recorded tracks.
- *
- * @author Fergus Nelson
- */
-public class AggregatedStatsActivity extends AbstractActivity {
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-        StatsUtils.setTripStatisticsValues(this, getTripStatistics(), null);
-        StatsUtils.setLocationValues(this, null, false);
-    }
-
-    @Override
-    protected int getLayoutResId() {
-        return R.layout.stats;
-    }
-
-    /**
-     * Gets the aggregated trip statistics for all the recorded tracks or null if
-     * there is no track.
-     */
-    private TripStatistics getTripStatistics() {
-        List<Track> tracks = ContentProviderUtils.Factory.get(this).getAllTracks();
-        TripStatistics tripStatistics = null;
-        if (!tracks.isEmpty()) {
-            tripStatistics = new TripStatistics(tracks.iterator().next().getTripStatistics());
-            for (int i = 1; i < tracks.size(); i++) {
-                tripStatistics.merge(tracks.get(i).getTripStatistics());
-            }
-        }
-        return tripStatistics;
-    }
-}

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

@@ -1,57 +0,0 @@
-/*
- * Copyright 2010 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;
-
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.util.Log;
-
-import de.dennisguse.opentracks.services.TrackRecordingService;
-
-import static android.content.Intent.ACTION_BOOT_COMPLETED;
-
-/**
- * This class react to the BOOT_COMPLETED broadcast.
- * <p>
- * One example of a broadcast message that this class is interested in,
- * is notification about the phone boot.  We may want to resume a previously
- * started tracking session if the phone crashed (hopefully not), or the user
- * decided to swap the battery or some external event occurred which forced
- * a phone reboot.
- * <p>
- * This class simply delegates to {@link TrackRecordingService} to make a
- * decision whether to continue with the previous track (if any), or just
- * abandon it.
- *
- * @author Bartlomiej Niechwiej
- */
-public class BootReceiver extends BroadcastReceiver {
-
-    private static final String TAG = BootReceiver.class.getSimpleName();
-
-    @Override
-    public void onReceive(Context context, Intent intent) {
-        Log.d(TAG, "BootReceiver.onReceive: " + intent.getAction());
-        if (ACTION_BOOT_COMPLETED.equals(intent.getAction())) {
-            Intent startIntent = new Intent(context, TrackRecordingService.class)
-                    .putExtra(TrackRecordingService.RESUME_TRACK_EXTRA_NAME, true);
-            context.startService(startIntent);
-        } else {
-            Log.w(TAG, "BootReceiver: unsupported action");
-        }
-    }
-}

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

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

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

@@ -0,0 +1,9 @@
+package de.dennisguse.opentracks;
+
+public class HelpActivity extends AbstractActivity {
+
+    @Override
+    protected int getLayoutResId() {
+        return R.layout.help;
+    }
+}

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

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

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

@@ -71,8 +71,7 @@ public class MarkerEditActivity extends AbstractActivity {
         waypointSection = findViewById(R.id.marker_edit_waypoint_section);
         waypointName = findViewById(R.id.marker_edit_waypoint_name);
         waypointMarkerType = findViewById(R.id.marker_edit_waypoint_marker_type);
-        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(
-                this, R.array.waypoint_types, android.R.layout.simple_dropdown_item_1line);
+        ArrayAdapter<CharSequence> adapter = ArrayAdapter.createFromResource(this, R.array.waypoint_types, android.R.layout.simple_dropdown_item_1line);
         waypointMarkerType.setAdapter(adapter);
         waypointDescription = findViewById(R.id.marker_edit_waypoint_description);
 
@@ -127,7 +126,7 @@ public class MarkerEditActivity extends AbstractActivity {
         if (newMarker) {
             statisticsSection.setVisibility(View.GONE);
             waypointSection.setVisibility(View.VISIBLE);
-            int nextWaypointNumber = trackId == -1L ? -1 : ContentProviderUtils.Factory.get(this).getNextWaypointNumber(trackId, WaypointType.WAYPOINT);
+            int nextWaypointNumber = trackId == -1L ? -1 : new ContentProviderUtils(this).getNextWaypointNumber(trackId, WaypointType.WAYPOINT);
             if (nextWaypointNumber == -1) {
                 nextWaypointNumber = 0;
             }
@@ -136,7 +135,7 @@ public class MarkerEditActivity extends AbstractActivity {
             waypointMarkerType.setText("");
             waypointDescription.setText("");
         } else {
-            waypoint = ContentProviderUtils.Factory.get(this).getWaypoint(markerId);
+            waypoint = new ContentProviderUtils(this).getWaypoint(markerId);
             if (waypoint == null) {
                 Log.d(TAG, "waypoint is null");
                 finish();
@@ -182,6 +181,6 @@ public class MarkerEditActivity extends AbstractActivity {
             waypoint.setCategory(waypointMarkerType.getText().toString());
             waypoint.setDescription(waypointDescription.getText().toString());
         }
-        ContentProviderUtils.Factory.get(this).updateWaypoint(waypoint);
+        new ContentProviderUtils(this).updateWaypoint(waypoint);
     }
 }

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

@@ -22,14 +22,11 @@ import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
 import android.database.Cursor;
 import android.os.Bundle;
-import android.view.ContextMenu;
-import android.view.ContextMenu.ContextMenuInfo;
 import android.view.KeyEvent;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.AdapterView;
-import android.widget.AdapterView.AdapterContextMenuInfo;
 import android.widget.AdapterView.OnItemClickListener;
 import android.widget.ListView;
 
@@ -42,12 +39,13 @@ import androidx.loader.content.Loader;
 
 import de.dennisguse.opentracks.content.ContentProviderUtils;
 import de.dennisguse.opentracks.content.Track;
-import de.dennisguse.opentracks.content.Waypoint.WaypointType;
 import de.dennisguse.opentracks.content.WaypointsColumns;
 import de.dennisguse.opentracks.fragments.DeleteMarkerDialogFragment;
 import de.dennisguse.opentracks.fragments.DeleteMarkerDialogFragment.DeleteMarkerCaller;
+import de.dennisguse.opentracks.util.ActivityUtils;
 import de.dennisguse.opentracks.util.IntentUtils;
 import de.dennisguse.opentracks.util.ListItemUtils;
+import de.dennisguse.opentracks.util.MarkerUtils;
 import de.dennisguse.opentracks.util.PreferencesUtils;
 
 /**
@@ -71,21 +69,20 @@ public class MarkerListActivity extends AbstractActivity implements DeleteMarker
     private SharedPreferences sharedPreferences;
 
     private long recordingTrackId = PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
-    private boolean recordingTrackPaused = PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT;
+    private boolean recordingTrackPaused;
     /*
      * Note that sharedPreferenceChangeListener cannot be an anonymous inner
      * class. Anonymous inner class will get garbage collected.
      */
-    private final OnSharedPreferenceChangeListener
-            sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
+    private final OnSharedPreferenceChangeListener sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
         @Override
         public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
             // Note that the key can be null
-            if (key == null || key.equals(PreferencesUtils.getKey(MarkerListActivity.this, R.string.recording_track_id_key))) {
-                recordingTrackId = PreferencesUtils.getLong(MarkerListActivity.this, R.string.recording_track_id_key);
+            if (PreferencesUtils.isKey(MarkerListActivity.this, R.string.recording_track_id_key, key)) {
+                recordingTrackId = PreferencesUtils.getRecordingTrackId(MarkerListActivity.this);
             }
-            if (key == null || key.equals(PreferencesUtils.getKey(MarkerListActivity.this, R.string.recording_track_paused_key))) {
-                recordingTrackPaused = PreferencesUtils.getBoolean(MarkerListActivity.this, R.string.recording_track_paused_key, PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT);
+            if (PreferencesUtils.isKey(MarkerListActivity.this, R.string.recording_track_paused_key, key)) {
+                recordingTrackPaused = PreferencesUtils.isRecordingTrackPaused(MarkerListActivity.this);
             }
             if (key != null) {
                 runOnUiThread(new Runnable() {
@@ -130,7 +127,9 @@ public class MarkerListActivity extends AbstractActivity implements DeleteMarker
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        contentProviderUtils = ContentProviderUtils.Factory.get(this);
+        recordingTrackPaused = PreferencesUtils.isRecordingTrackPausedDefault(this);
+
+        contentProviderUtils = new ContentProviderUtils(this);
         sharedPreferences = PreferencesUtils.getSharedPreferences(this);
 
         long trackId = getIntent().getLongExtra(EXTRA_TRACK_ID, -1L);
@@ -152,7 +151,6 @@ public class MarkerListActivity extends AbstractActivity implements DeleteMarker
         resourceCursorAdapter = new ResourceCursorAdapter(this, R.layout.list_item, null, 0) {
             @Override
             public void bindView(View view, Context context, Cursor cursor) {
-                int typeIndex = cursor.getColumnIndex(WaypointsColumns.TYPE);
                 int nameIndex = cursor.getColumnIndex(WaypointsColumns.NAME);
                 int timeIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.TIME);
                 int categoryIndex = cursor.getColumnIndex(WaypointsColumns.CATEGORY);
@@ -161,13 +159,13 @@ public class MarkerListActivity extends AbstractActivity implements DeleteMarker
                 int latitudeIndex = cursor.getColumnIndex(WaypointsColumns.LATITUDE);
                 int longitudeIndex = cursor.getColumnIndex(WaypointsColumns.LONGITUDE);
 
-                boolean statistics = WaypointType.values()[cursor.getInt(typeIndex)] == WaypointType.STATISTICS;
-                int iconId = statistics ? R.drawable.ic_marker_yellow_pushpin : R.drawable.ic_marker_blue_pushpin;
+                int iconId = MarkerUtils.ICON_ID;
                 String name = cursor.getString(nameIndex);
                 long time = cursor.getLong(timeIndex);
-                String category = statistics ? null : cursor.getString(categoryIndex);
-                String description = statistics ? null : cursor.getString(descriptionIndex);
+                String category = cursor.getString(categoryIndex);
+                String description = cursor.getString(descriptionIndex);
                 String photoUrl = cursor.getString(photoUrlIndex);
+                //TODO also show latitude and longitude in list
                 double latitude = cursor.getDouble(latitudeIndex);
                 double longitude = cursor.getDouble(longitudeIndex);
 
@@ -175,7 +173,7 @@ public class MarkerListActivity extends AbstractActivity implements DeleteMarker
             }
         };
         listView.setAdapter(resourceCursorAdapter);
-        AbstractListActivity.configureListViewContextualMenu(listView, contextualActionModeCallback);
+        ActivityUtils.configureListViewContextualMenu(listView, contextualActionModeCallback);
 
         LoaderManager.getInstance(this).initLoader(0, null, new LoaderCallbacks<Cursor>() {
             @NonNull
@@ -234,7 +232,7 @@ public class MarkerListActivity extends AbstractActivity implements DeleteMarker
         insertMarkerMenuItem = menu.findItem(R.id.marker_list_insert_marker);
 
         searchMenuItem = menu.findItem(R.id.marker_list_search);
-        AbstractListActivity.configureSearchWidget(this, searchMenuItem, null);
+        ActivityUtils.configureSearchWidget(this, searchMenuItem, null);
 
         return super.onCreateOptionsMenu(menu);
     }
@@ -246,7 +244,7 @@ public class MarkerListActivity extends AbstractActivity implements DeleteMarker
     }
 
     @Override
-    public boolean onOptionsItemSelected(MenuItem item) {
+    public boolean onOptionsItemSelected(@NonNull MenuItem item) {
         if (track != null && item.getItemId() == R.id.marker_list_insert_marker) {
             Intent intent = IntentUtils.newIntent(this, MarkerEditActivity.class)
                     .putExtra(MarkerEditActivity.EXTRA_TRACK_ID, track.getId());
@@ -256,24 +254,6 @@ public class MarkerListActivity extends AbstractActivity implements DeleteMarker
         return super.onOptionsItemSelected(item);
     }
 
-    @Override
-    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
-        super.onCreateContextMenu(menu, v, menuInfo);
-        getMenuInflater().inflate(R.menu.list_context_menu, menu);
-
-        AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
-        contextualActionModeCallback.onPrepare(menu, new int[]{info.position}, new long[]{info.id}, false);
-    }
-
-    @Override
-    public boolean onContextItemSelected(MenuItem item) {
-        AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
-        if (handleContextItem(item.getItemId(), new long[]{info.id})) {
-            return true;
-        }
-        return super.onContextItemSelected(item);
-    }
-
     /**
      * Handles a context item selection.
      *

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

@@ -22,14 +22,11 @@ import android.content.SharedPreferences;
 import android.content.SharedPreferences.OnSharedPreferenceChangeListener;
 import android.os.Bundle;
 import android.util.Log;
-import android.view.ContextMenu;
-import android.view.ContextMenu.ContextMenuInfo;
 import android.view.KeyEvent;
 import android.view.Menu;
 import android.view.MenuItem;
 import android.view.View;
 import android.widget.AdapterView;
-import android.widget.AdapterView.AdapterContextMenuInfo;
 import android.widget.AdapterView.OnItemClickListener;
 import android.widget.ArrayAdapter;
 import android.widget.ListView;
@@ -49,14 +46,15 @@ import de.dennisguse.opentracks.content.SearchEngine.ScoredResult;
 import de.dennisguse.opentracks.content.SearchEngine.SearchQuery;
 import de.dennisguse.opentracks.content.Track;
 import de.dennisguse.opentracks.content.Waypoint;
-import de.dennisguse.opentracks.content.Waypoint.WaypointType;
 import de.dennisguse.opentracks.fragments.ConfirmDeleteDialogFragment;
 import de.dennisguse.opentracks.fragments.DeleteMarkerDialogFragment;
 import de.dennisguse.opentracks.fragments.DeleteMarkerDialogFragment.DeleteMarkerCaller;
 import de.dennisguse.opentracks.services.TrackRecordingServiceConnection;
 import de.dennisguse.opentracks.stats.TripStatistics;
+import de.dennisguse.opentracks.util.ActivityUtils;
 import de.dennisguse.opentracks.util.IntentUtils;
 import de.dennisguse.opentracks.util.ListItemUtils;
+import de.dennisguse.opentracks.util.MarkerUtils;
 import de.dennisguse.opentracks.util.PreferencesUtils;
 import de.dennisguse.opentracks.util.StringUtils;
 import de.dennisguse.opentracks.util.TrackIconUtils;
@@ -103,7 +101,7 @@ public class SearchListActivity extends AbstractListActivity implements DeleteMa
 
     private long recordingTrackId = PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
 
-    private boolean recordingTrackPaused = PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT;
+    private boolean recordingTrackPaused;
 
     // Callback when an item is selected in the contextual action mode
     private ContextualActionModeCallback contextualActionModeCallback = new ContextualActionModeCallback() {
@@ -111,26 +109,27 @@ public class SearchListActivity extends AbstractListActivity implements DeleteMa
         public void onPrepare(Menu menu, int[] positions, long[] ids, boolean showSelectAll) {
             boolean isRecording = PreferencesUtils.isRecording(recordingTrackId);
             boolean isSingleSelection = positions.length == 1;
+
             boolean isSingleSelectionTrack;
             if (isSingleSelection) {
                 Map<String, Object> item = arrayAdapter.getItem(positions[0]);
-                Long trackId = (Long) item.get(TRACK_ID_FIELD);
-                Track track = contentProviderUtils.getTrack(trackId);
-
                 isSingleSelectionTrack = item.get(MARKER_ID_FIELD) == null;
             } else {
                 isSingleSelectionTrack = false;
             }
+
             // Not recording, one item, item is a track
-            menu.findItem(R.id.list_context_menu_share).setVisible(!isRecording && isSingleSelection && isSingleSelectionTrack);
-            //TODO Setup shareIntent.
+            MenuItem shareMenuItem = menu.findItem(R.id.list_context_menu_share);
+            if (isSingleSelectionTrack) {
+                shareMenuItem.setVisible(!isRecording);
+            }
 
             // One item, item is a marker
             menu.findItem(R.id.list_context_menu_show_on_map).setVisible(isSingleSelection && !isSingleSelectionTrack);
             // One item, can be a track or a marker
             menu.findItem(R.id.list_context_menu_edit).setVisible(isSingleSelection);
             // One item. If track, no restriction.
-            menu.findItem(R.id.list_context_menu_delete).setVisible(isSingleSelection && (isSingleSelectionTrack));
+            menu.findItem(R.id.list_context_menu_delete).setVisible(isSingleSelection && isSingleSelectionTrack);
             // Disable select all, no action is available for multiple selection
             menu.findItem(R.id.list_context_menu_select_all).setVisible(false);
         }
@@ -144,14 +143,14 @@ public class SearchListActivity extends AbstractListActivity implements DeleteMa
     private final OnSharedPreferenceChangeListener sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
         @Override
         public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
-            if (key == null || key.equals(PreferencesUtils.getKey(SearchListActivity.this, R.string.stats_units_key))) {
+            if (PreferencesUtils.isKey(SearchListActivity.this, R.string.stats_units_key, key)) {
                 metricUnits = PreferencesUtils.isMetricUnits(SearchListActivity.this);
             }
-            if (key == null || key.equals(PreferencesUtils.getKey(SearchListActivity.this, R.string.recording_track_id_key))) {
-                recordingTrackId = PreferencesUtils.getLong(SearchListActivity.this, R.string.recording_track_id_key);
+            if (PreferencesUtils.isKey(SearchListActivity.this, R.string.recording_track_id_key, key)) {
+                recordingTrackId = PreferencesUtils.getRecordingTrackId(SearchListActivity.this);
             }
-            if (key == null || key.equals(PreferencesUtils.getKey(SearchListActivity.this, R.string.recording_track_paused_key))) {
-                recordingTrackPaused = PreferencesUtils.getBoolean(SearchListActivity.this, R.string.recording_track_paused_key, PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT);
+            if (PreferencesUtils.isKey(SearchListActivity.this, R.string.recording_track_paused_key, key)) {
+                recordingTrackPaused = PreferencesUtils.isRecordingTrackPaused(SearchListActivity.this);
             }
             if (key != null) {
                 runOnUiThread(new Runnable() {
@@ -169,7 +168,9 @@ public class SearchListActivity extends AbstractListActivity implements DeleteMa
         super.onCreate(savedInstanceState);
         setDefaultKeyMode(DEFAULT_KEYS_SEARCH_LOCAL);
 
-        contentProviderUtils = ContentProviderUtils.Factory.get(this);
+        recordingTrackPaused = PreferencesUtils.isRecordingTrackPausedDefault(this);
+
+        contentProviderUtils = new ContentProviderUtils(this);
         sharedPreferences = PreferencesUtils.getSharedPreferences(this);
         trackRecordingServiceConnection = new TrackRecordingServiceConnection(this, null);
         searchEngine = new SearchEngine(contentProviderUtils);
@@ -222,7 +223,7 @@ public class SearchListActivity extends AbstractListActivity implements DeleteMa
                 startActivity(intent);
             }
         });
-        AbstractListActivity.configureListViewContextualMenu(listView, contextualActionModeCallback);
+        ActivityUtils.configureListViewContextualMenu(listView, contextualActionModeCallback);
         handleIntent(getIntent());
     }
 
@@ -259,24 +260,6 @@ public class SearchListActivity extends AbstractListActivity implements DeleteMa
         handleIntent(intent);
     }
 
-    @Override
-    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
-        super.onCreateContextMenu(menu, v, menuInfo);
-        getMenuInflater().inflate(R.menu.list_context_menu, menu);
-
-        AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
-        contextualActionModeCallback.onPrepare(menu, new int[]{info.position}, new long[]{info.id}, false);
-    }
-
-    @Override
-    public boolean onContextItemSelected(MenuItem item) {
-        AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
-        if (handleContextItem(item.getItemId(), new int[]{info.position})) {
-            return true;
-        }
-        return super.onContextItemSelected(item);
-    }
-
     @Override
     public boolean onKeyUp(int keyCode, KeyEvent event) {
         if (keyCode == KeyEvent.KEYCODE_SEARCH) {
@@ -301,13 +284,14 @@ public class SearchListActivity extends AbstractListActivity implements DeleteMa
         Long markerId = (Long) item.get(MARKER_ID_FIELD);
         Intent intent;
         switch (itemId) {
-            case R.id.list_context_menu_share:
-                //TODO
-                Log.e(TAG, "Not implemented");
-                return true;
             case R.id.list_context_menu_show_on_map:
                 IntentUtils.showCoordinateOnMap(this, (double) item.get(MARKER_LATITUDE_FIELD), (double) item.get(MARKER_LONGITUDE_FIELD), item.get(NAME_FIELD) + "");
                 return true;
+            case R.id.list_context_menu_share:
+                intent = IntentUtils.newShareFileIntent(this, new long[]{trackId});
+                intent = Intent.createChooser(intent, null);
+                startActivity(intent);
+                return true;
             case R.id.list_context_menu_edit:
                 if (markerId != null) {
                     intent = IntentUtils.newIntent(this, MarkerEditActivity.class)
@@ -409,11 +393,9 @@ public class SearchListActivity extends AbstractListActivity implements DeleteMa
             }
         }
 
-        boolean statistics = waypoint.getType() == WaypointType.STATISTICS;
-
         resultMap.put(IS_RECORDING_FIELD, false);
         resultMap.put(IS_PAUSED_FIELD, true);
-        resultMap.put(ICON_ID_FIELD, statistics ? R.drawable.ic_marker_yellow_pushpin : R.drawable.ic_marker_blue_pushpin);
+        resultMap.put(ICON_ID_FIELD, MarkerUtils.ICON_ID);
         resultMap.put(ICON_CONTENT_DESCRIPTION_ID_FIELD, R.string.image_marker);
         resultMap.put(NAME_FIELD, waypoint.getName());
         // Display the marker's track name in the total time field
@@ -421,8 +403,8 @@ public class SearchListActivity extends AbstractListActivity implements DeleteMa
         resultMap.put(TOTAL_DISTANCE_FIELD, null);
         resultMap.put(MARKER_COUNT_FIELD, 0);
         resultMap.put(START_TIME_FIELD, waypoint.getLocation().getTime());
-        resultMap.put(CATEGORY_FIELD, statistics ? null : waypoint.getCategory());
-        resultMap.put(DESCRIPTION_FIELD, statistics ? null : waypoint.getDescription());
+        resultMap.put(CATEGORY_FIELD, waypoint.getCategory());
+        resultMap.put(DESCRIPTION_FIELD, waypoint.getDescription());
         resultMap.put(PHOTO_URL_FIELD, waypoint.getPhotoUrl());
         resultMap.put(TRACK_ID_FIELD, waypoint.getTrackId());
         resultMap.put(MARKER_ID_FIELD, waypoint.getId());

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

@@ -24,6 +24,7 @@ import android.widget.TabHost;
 import android.widget.TabHost.TabContentFactory;
 import android.widget.TabWidget;
 
+import androidx.annotation.NonNull;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
 import androidx.fragment.app.FragmentPagerAdapter;
@@ -79,6 +80,7 @@ public class TabsAdapter extends FragmentPagerAdapter implements TabHost.OnTabCh
     }
 
     @Override
+    @NonNull
     public Fragment getItem(int position) {
         TabInfo info = tabInfos.get(position);
         return Fragment.instantiate(context, info.clss.getName(), info.bundle);

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

@@ -130,11 +130,11 @@ public class TrackController {
         handlerUpdateTotalTime.removeCallbacks(updateTotalTimeRunnable);
     }
 
-    void hide() {
+    public void hide() {
         containerView.setVisibility(View.GONE);
     }
 
-    void show() {
+    public void show() {
         containerView.setVisibility(View.VISIBLE);
     }
 

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

@@ -31,7 +31,6 @@ import android.view.MenuItem;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.WindowManager;
-import android.widget.ShareActionProvider;
 import android.widget.TabHost;
 import android.widget.TabHost.TabSpec;
 import android.widget.Toast;
@@ -46,10 +45,10 @@ import de.dennisguse.opentracks.content.TrackDataHub;
 import de.dennisguse.opentracks.content.Waypoint;
 import de.dennisguse.opentracks.content.Waypoint.WaypointType;
 import de.dennisguse.opentracks.content.WaypointCreationRequest;
-import de.dennisguse.opentracks.fragments.ChartFragment;
+import de.dennisguse.opentracks.fragments.ChartDistanceFragment;
+import de.dennisguse.opentracks.fragments.ChartTimeFragment;
 import de.dennisguse.opentracks.fragments.ChooseActivityTypeDialogFragment;
 import de.dennisguse.opentracks.fragments.ConfirmDeleteDialogFragment;
-import de.dennisguse.opentracks.fragments.FrequencyDialogFragment;
 import de.dennisguse.opentracks.fragments.StatsFragment;
 import de.dennisguse.opentracks.services.TrackRecordingServiceConnection;
 import de.dennisguse.opentracks.settings.SettingsActivity;
@@ -95,8 +94,7 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
 
     // Preferences
     private long recordingTrackId = PreferencesUtils.RECORDING_TRACK_ID_DEFAULT;
-    private boolean recordingTrackPaused = PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT;
-    private boolean showOnLockScreen = PreferencesUtils.SHOW_TRACKDETAIL_WHILE_RECORDING_ON_LOCKSCREEN;
+    private boolean recordingTrackPaused;
 
     private final Runnable bindChangedCallback = new Runnable() {
         @Override
@@ -119,25 +117,29 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
             });
         }
     };
-    /*
-     * Note that sharedPreferenceChangeListener cannot be an anonymous inner
-     * class. Anonymous inner class will get garbage collected.
-     */
-    private final OnSharedPreferenceChangeListener
-            sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
+
+    // Note that sharedPreferenceChangeListener cannot be an anonymous inner class. Anonymous inner class will get garbage collected.
+    private final OnSharedPreferenceChangeListener sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
         @Override
         public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
-            if (key == null || key.equals(PreferencesUtils.getKey(TrackDetailActivity.this, R.string.recording_track_id_key))) {
-                recordingTrackId = PreferencesUtils.getLong(TrackDetailActivity.this, R.string.recording_track_id_key);
-            }
-
-            if (key == null || key.equals(PreferencesUtils.getKey(TrackDetailActivity.this, R.string.recording_track_paused_key))) {
-                recordingTrackPaused = PreferencesUtils.getBoolean(TrackDetailActivity.this, R.string.recording_track_paused_key, PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT);
-            }
-
-            if (key == null || key.equals(PreferencesUtils.getKey(TrackDetailActivity.this, R.string.trackdetail_show_on_lockscreen_while_recording_key))) {
-                showOnLockScreen = PreferencesUtils.getBoolean(TrackDetailActivity.this, R.string.trackdetail_show_on_lockscreen_while_recording_key, PreferencesUtils.SHOW_TRACKDETAIL_WHILE_RECORDING_ON_LOCKSCREEN);
+            if (PreferencesUtils.isKey(TrackDetailActivity.this, R.string.recording_track_id_key, key)) {
+                recordingTrackId = PreferencesUtils.getRecordingTrackId(TrackDetailActivity.this);
                 setLockscreenPolicy();
+                setScreenOnPolicy();
+            }
+
+            if (PreferencesUtils.isKey(TrackDetailActivity.this, R.string.recording_track_paused_key, key)) {
+                recordingTrackPaused = PreferencesUtils.isRecordingTrackPaused(TrackDetailActivity.this);
+                setLockscreenPolicy();
+                setScreenOnPolicy();
+            }
+
+            if (PreferencesUtils.isKey(TrackDetailActivity.this, R.string.stats_show_on_lockscreen_while_recording_key, key)) {
+                setLockscreenPolicy();
+            }
+
+            if (PreferencesUtils.isKey(TrackDetailActivity.this, R.string.stats_keep_screen_on_while_recording_key, key)) {
+                setScreenOnPolicy();
             }
 
             if (key == null) return;
@@ -157,8 +159,6 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
     private MenuItem insertPhotoMenuItem;
     private MenuItem markerListMenuItem;
     private MenuItem shareMenuItem;
-    private MenuItem voiceFrequencyMenuItem;
-    private MenuItem splitFrequencyMenuItem;
 
     private final OnClickListener recordListener = new OnClickListener() {
         @Override
@@ -188,11 +188,13 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        recordingTrackPaused = PreferencesUtils.isRecordingTrackPausedDefault(this);
+
         hasCamera = getPackageManager().hasSystemFeature(PackageManager.FEATURE_CAMERA);
         photoUri = savedInstanceState != null ? (Uri) savedInstanceState.getParcelable(PHOTO_URI_KEY) : null;
         hasPhoto = savedInstanceState != null && savedInstanceState.getBoolean(HAS_PHOTO_KEY, false);
 
-        contentProviderUtils = ContentProviderUtils.Factory.get(this);
+        contentProviderUtils = new ContentProviderUtils(this);
         handleIntent(getIntent());
 
         sharedPreferences = PreferencesUtils.getSharedPreferences(this);
@@ -209,8 +211,11 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
         TabSpec statsTabSpec = tabHost.newTabSpec(StatsFragment.STATS_FRAGMENT_TAG).setIndicator(getString(R.string.track_detail_stats_tab));
         tabsAdapter.addTab(statsTabSpec, StatsFragment.class, null);
 
-        TabSpec chartTabSpec = tabHost.newTabSpec(ChartFragment.CHART_FRAGMENT_TAG).setIndicator(getString(R.string.track_detail_chart_tab));
-        tabsAdapter.addTab(chartTabSpec, ChartFragment.class, null);
+        TabSpec chartTimeTabSpec = tabHost.newTabSpec(ChartTimeFragment.CHART_FRAGMENT_TAG).setIndicator(getString(R.string.settings_chart_by_time));
+        tabsAdapter.addTab(chartTimeTabSpec, ChartTimeFragment.class, null);
+
+        TabSpec chartDistanceTabSpec = tabHost.newTabSpec(ChartDistanceFragment.CHART_FRAGMENT_TAG).setIndicator(getString(R.string.settings_chart_by_distance));
+        tabsAdapter.addTab(chartDistanceTabSpec, ChartDistanceFragment.class, null);
 
         if (savedInstanceState != null) {
             tabHost.setCurrentTabByTag(savedInstanceState.getString(CURRENT_TAB_TAG_KEY));
@@ -227,16 +232,31 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
     @Override
     public void onAttachedToWindow() {
         setLockscreenPolicy();
+        setScreenOnPolicy();
         super.onAttachedToWindow();
     }
 
     private void setLockscreenPolicy() {
+        boolean showOnLockScreen = PreferencesUtils.shouldShowStatsOnLockscreen(TrackDetailActivity.this)
+                && PreferencesUtils.isRecording(this);
+
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O_MR1) {
             setShowWhenLocked(showOnLockScreen);
+        } else if (showOnLockScreen) {
+            getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
         } else {
-            if (showOnLockScreen)
-                getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
-            else getWindow().clearFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
+            getWindow().clearFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
+        }
+    }
+
+    private void setScreenOnPolicy() {
+        boolean keepScreenOn = PreferencesUtils.shouldKeepScreenOn(TrackDetailActivity.this)
+                && PreferencesUtils.isRecording(this);
+
+        if (keepScreenOn) {
+            getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
+        } else {
+            getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
         }
     }
 
@@ -276,7 +296,7 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
     }
 
     @Override
-    protected void onSaveInstanceState(Bundle outState) {
+    protected void onSaveInstanceState(@NonNull Bundle outState) {
         super.onSaveInstanceState(outState);
         outState.putString(CURRENT_TAB_TAG_KEY, tabHost.getCurrentTabTag());
         if (photoUri != null) {
@@ -316,13 +336,7 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
         insertMarkerMenuItem = menu.findItem(R.id.track_detail_insert_marker);
         insertPhotoMenuItem = menu.findItem(R.id.track_detail_insert_photo);
         insertPhotoMenuItem.setVisible(new Intent(MediaStore.ACTION_IMAGE_CAPTURE).resolveActivity(getPackageManager()) != null);
-
         shareMenuItem = menu.findItem(R.id.track_detail_share);
-        ShareActionProvider shareActionProvider = (ShareActionProvider) shareMenuItem.getActionProvider();
-        shareActionProvider.setShareIntent(IntentUtils.newShareFileIntent(this, new long[]{trackId}));
-
-        voiceFrequencyMenuItem = menu.findItem(R.id.track_detail_voice_frequency);
-        splitFrequencyMenuItem = menu.findItem(R.id.track_detail_split_frequency);
         markerListMenuItem = menu.findItem(R.id.track_detail_markers);
 
         return super.onCreateOptionsMenu(menu);
@@ -344,6 +358,11 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
                         .putExtra(MarkerEditActivity.EXTRA_TRACK_ID, trackId);
                 startActivity(intent);
                 return true;
+            case R.id.track_detail_share:
+                intent = IntentUtils.newShareFileIntent(this, new long[]{trackId});
+                intent = Intent.createChooser(intent, null);
+                startActivity(intent);
+                return true;
             case R.id.track_detail_insert_photo:
                 if (!FileUtils.isExternalStorageWriteable() || ActivityCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_DENIED) {
                     ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, EXTERNAL_STORAGE_PERMISSION_REQUEST_CODE);
@@ -359,12 +378,6 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
                         .putExtra(MarkerListActivity.EXTRA_TRACK_ID, trackId);
                 startActivity(intent);
                 return true;
-            case R.id.track_detail_voice_frequency:
-                FrequencyDialogFragment.showDialog(getSupportFragmentManager(), R.string.voice_frequency_key, PreferencesUtils.VOICE_FREQUENCY_DEFAULT, R.string.menu_voice_frequency);
-                return true;
-            case R.id.track_detail_split_frequency:
-                FrequencyDialogFragment.showDialog(getSupportFragmentManager(), R.string.split_frequency_key, PreferencesUtils.SPLIT_FREQUENCY_DEFAULT, R.string.menu_split_frequency);
-                return true;
             case R.id.track_detail_edit:
                 intent = IntentUtils.newIntent(this, TrackEditActivity.class)
                         .putExtra(TrackEditActivity.EXTRA_TRACK_ID, trackId);
@@ -392,6 +405,7 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
             }
             return;
         }
+
         super.onRequestPermissionsResult(requestCode, permissions, grantResults);
     }
 
@@ -417,16 +431,6 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
         return trackDataHub;
     }
 
-    /**
-     * Gets the track id.
-     */
-    public long getTrackId() {
-        return trackId;
-    }
-
-    /**
-     * Handles the data in the intent.
-     */
     private void handleIntent(Intent intent) {
         trackId = intent.getLongExtra(EXTRA_TRACK_ID, -1L);
         long markerId = intent.getLongExtra(EXTRA_MARKER_ID, -1L);
@@ -465,8 +469,6 @@ public class TrackDetailActivity extends AbstractListActivity implements ChooseA
         insertPhotoMenuItem.setVisible(hasCamera && isRecording() && !isPaused);
         shareMenuItem.setVisible(!isRecording());
         markerListMenuItem.setShowAsAction(isRecording() ? MenuItem.SHOW_AS_ACTION_NEVER : MenuItem.SHOW_AS_ACTION_IF_ROOM);
-        voiceFrequencyMenuItem.setVisible(isRecording());
-        splitFrequencyMenuItem.setVisible(isRecording());
         String title;
         if (isRecording()) {
             title = getString(isPaused ? R.string.generic_paused : R.string.generic_recording);

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

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

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

@@ -28,8 +28,6 @@ import android.location.LocationManager;
 import android.os.Bundle;
 import android.provider.Settings;
 import android.util.Log;
-import android.view.ContextMenu;
-import android.view.ContextMenu.ContextMenuInfo;
 import android.view.Gravity;
 import android.view.KeyEvent;
 import android.view.Menu;
@@ -37,14 +35,12 @@ import android.view.MenuItem;
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.widget.AdapterView;
-import android.widget.AdapterView.AdapterContextMenuInfo;
 import android.widget.AdapterView.OnItemClickListener;
 import android.widget.ListView;
-import android.widget.SearchView;
-import android.widget.ShareActionProvider;
 import android.widget.Toast;
 
 import androidx.annotation.NonNull;
+import androidx.appcompat.widget.SearchView;
 import androidx.core.app.ActivityCompat;
 import androidx.cursoradapter.widget.ResourceCursorAdapter;
 import androidx.loader.app.LoaderManager;
@@ -60,9 +56,11 @@ import de.dennisguse.opentracks.fragments.ConfirmDeleteDialogFragment;
 import de.dennisguse.opentracks.services.ITrackRecordingService;
 import de.dennisguse.opentracks.services.TrackRecordingServiceConnection;
 import de.dennisguse.opentracks.settings.SettingsActivity;
+import de.dennisguse.opentracks.util.ActivityUtils;
 import de.dennisguse.opentracks.util.IntentUtils;
 import de.dennisguse.opentracks.util.ListItemUtils;
 import de.dennisguse.opentracks.util.PreferencesUtils;
+import de.dennisguse.opentracks.util.ServiceUtils;
 import de.dennisguse.opentracks.util.StringUtils;
 import de.dennisguse.opentracks.util.TrackIconUtils;
 import de.dennisguse.opentracks.util.TrackUtils;
@@ -117,10 +115,6 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
         public void onPrepare(Menu menu, int[] positions, long[] trackIds, boolean showSelectAll) {
             boolean isSingleSelection = trackIds.length == 1;
 
-            MenuItem shareMenuItem = menu.findItem(R.id.list_context_menu_share);
-            ShareActionProvider shareActionProvider = (ShareActionProvider) shareMenuItem.getActionProvider();
-            shareActionProvider.setShareIntent(trackIds.length == 0 ? null : IntentUtils.newShareFileIntent(TrackListActivity.this, trackIds));
-
             menu.findItem(R.id.list_context_menu_edit).setVisible(isSingleSelection);
             menu.findItem(R.id.list_context_menu_select_all).setVisible(showSelectAll);
         }
@@ -131,7 +125,7 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
         }
     };
 
-    private boolean recordingTrackPaused = PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT;
+    private boolean recordingTrackPaused;
 
     /*
      * Note that sharedPreferenceChangeListener cannot be an anonymous inner class.
@@ -141,22 +135,17 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
             sharedPreferenceChangeListener = new OnSharedPreferenceChangeListener() {
         @Override
         public void onSharedPreferenceChanged(SharedPreferences preferences, String key) {
-            if (key == null || key.equals(PreferencesUtils.getKey(TrackListActivity.this, R.string.stats_units_key))) {
+            if (PreferencesUtils.isKey(TrackListActivity.this, R.string.stats_units_key, key)) {
                 metricUnits = PreferencesUtils.isMetricUnits(TrackListActivity.this);
             }
-            if (key == null || key.equals(
-                    PreferencesUtils.getKey(TrackListActivity.this, R.string.recording_track_id_key))) {
-                recordingTrackId = PreferencesUtils.getLong(
-                        TrackListActivity.this, R.string.recording_track_id_key);
+            if (PreferencesUtils.isKey(TrackListActivity.this, R.string.recording_track_id_key, key)) {
+                recordingTrackId = PreferencesUtils.getRecordingTrackId(TrackListActivity.this);
                 if (key != null && PreferencesUtils.isRecording(recordingTrackId)) {
                     trackRecordingServiceConnection.startAndBind();
                 }
             }
-            if (key == null || key.equals(PreferencesUtils.getKey(
-                    TrackListActivity.this, R.string.recording_track_paused_key))) {
-                recordingTrackPaused = PreferencesUtils.getBoolean(TrackListActivity.this,
-                        R.string.recording_track_paused_key,
-                        PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT);
+            if (PreferencesUtils.isKey(TrackListActivity.this, R.string.recording_track_paused_key, key)) {
+                recordingTrackPaused = PreferencesUtils.isRecordingTrackPaused(TrackListActivity.this);
             }
             if (key != null) {
                 runOnUiThread(new Runnable() {
@@ -175,8 +164,7 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
     // Menu items
     private MenuItem searchMenuItem;
     private MenuItem startGpsMenuItem;
-    private MenuItem aggregatedStatisticsMenuItem;
-    private MenuItem deleteAllMenuItem;
+//    private MenuItem deleteAllMenuItem;
 
     private final OnClickListener stopListener = new OnClickListener() {
         @Override
@@ -233,12 +221,11 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
 
     private final OnClickListener recordListener = new OnClickListener() {
         public void onClick(View v) {
-            if (recordingTrackId == PreferencesUtils.RECORDING_TRACK_ID_DEFAULT) {
+            if (!PreferencesUtils.isRecording(recordingTrackId)) {
                 // Not recording -> Recording
                 updateMenuItems(false, true);
                 startRecording();
-            } else {
-                if (recordingTrackPaused) {
+            } else if (recordingTrackPaused) {
                     // Paused -> Resume
                     updateMenuItems(false, true);
                     trackRecordingServiceConnection.resumeTrack();
@@ -249,7 +236,6 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
                     trackRecordingServiceConnection.pauseTrack();
                     trackController.update(true, true);
                 }
-            }
         }
     };
 
@@ -257,7 +243,9 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        contentProviderUtils = ContentProviderUtils.Factory.get(this);
+        recordingTrackPaused = PreferencesUtils.isRecordingTrackPausedDefault(this);
+
+        contentProviderUtils = new ContentProviderUtils(this);
         sharedPreferences = PreferencesUtils.getSharedPreferences(this);
 
         trackRecordingServiceConnection = new TrackRecordingServiceConnection(this, bindChangedCallback);
@@ -317,7 +305,8 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
             }
         };
         listView.setAdapter(resourceCursorAdapter);
-        AbstractListActivity.configureListViewContextualMenu(listView, contextualActionModeCallback);
+
+        ActivityUtils.configureListViewContextualMenu(listView, contextualActionModeCallback);
 
         LoaderManager.getInstance(this).initLoader(0, null, loaderCallbacks);
         showStartupDialogs();
@@ -379,25 +368,22 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
         getMenuInflater().inflate(R.menu.track_list, menu);
 
         searchMenuItem = menu.findItem(R.id.track_list_search);
-        AbstractListActivity.configureSearchWidget(this, searchMenuItem, trackController);
+        ActivityUtils.configureSearchWidget(this, searchMenuItem, trackController);
 
         startGpsMenuItem = menu.findItem(R.id.track_list_start_gps);
-        aggregatedStatisticsMenuItem = menu.findItem(R.id.track_list_aggregated_statistics);
-        deleteAllMenuItem = menu.findItem(R.id.track_list_delete_all);
 
         return super.onCreateOptionsMenu(menu);
     }
 
     @Override
     public boolean onPrepareOptionsMenu(Menu menu) {
-        boolean isGpsStarted = TrackRecordingServiceConnection.isRecordingServiceRunning(this);
+        boolean isGpsStarted = ServiceUtils.isTrackRecordingServiceRunning(this);
         boolean isRecording = PreferencesUtils.isRecording(recordingTrackId);
         updateMenuItems(isGpsStarted, isRecording);
 
-        View searchView = searchMenuItem.getActionView();
-        if (searchView instanceof SearchView) {
-            ((SearchView) searchView).setQuery("", false);
-        }
+        SearchView searchView = (SearchView) searchMenuItem.getActionView();
+        searchView.setQuery("", false);
+
         return super.onPrepareOptionsMenu(menu);
     }
 
@@ -411,7 +397,7 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
                     intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
                     startActivity(intent);
                 } else {
-                    startGps = !TrackRecordingServiceConnection.isRecordingServiceRunning(this);
+                    startGps = !ServiceUtils.isTrackRecordingServiceRunning(this);
 
                     // Show toast
                     Toast toast = Toast.makeText(this, startGps ? R.string.gps_starting : R.string.gps_stopping, Toast.LENGTH_SHORT);
@@ -438,13 +424,6 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
                 intent = IntentUtils.newIntent(this, MarkerListActivity.class);
                 startActivity(intent);
                 return true;
-            case R.id.track_list_aggregated_statistics:
-                intent = IntentUtils.newIntent(this, AggregatedStatsActivity.class);
-                startActivity(intent);
-                return true;
-            case R.id.track_list_delete_all:
-                deleteTracks(new long[]{-1L});
-                return true;
             case R.id.track_list_settings:
                 intent = IntentUtils.newIntent(this, SettingsActivity.class);
                 startActivity(intent);
@@ -453,24 +432,6 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
         return super.onOptionsItemSelected(item);
     }
 
-    @Override
-    public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) {
-        super.onCreateContextMenu(menu, v, menuInfo);
-        getMenuInflater().inflate(R.menu.list_context_menu, menu);
-
-        AdapterContextMenuInfo info = (AdapterContextMenuInfo) menuInfo;
-        contextualActionModeCallback.onPrepare(menu, new int[]{info.position}, new long[]{info.id}, false);
-    }
-
-    @Override
-    public boolean onContextItemSelected(MenuItem item) {
-        AdapterContextMenuInfo info = (AdapterContextMenuInfo) item.getMenuInfo();
-        if (handleContextItem(item.getItemId(), new long[]{info.id})) {
-            return true;
-        }
-        return super.onContextItemSelected(item);
-    }
-
     @Override
     public boolean onKeyUp(int keyCode, KeyEvent event) {
         if (keyCode == KeyEvent.KEYCODE_SEARCH && searchMenuItem != null) {
@@ -530,12 +491,6 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
                 startGpsMenuItem.setIcon(isGpsStarted ? R.drawable.ic_gps_fixed_24dp : R.drawable.ic_gps_off_24dp);
             }
         }
-        if (aggregatedStatisticsMenuItem != null) {
-            aggregatedStatisticsMenuItem.setVisible(hasTrack);
-        }
-        if (deleteAllMenuItem != null) {
-            deleteAllMenuItem.setVisible(hasTrack && !isRecording);
-        }
     }
 
     /**
@@ -561,12 +516,18 @@ public class TrackListActivity extends AbstractListActivity implements ConfirmDe
      * @return true if handled.
      */
     private boolean handleContextItem(int itemId, long[] trackIds) {
+        Intent intent;
         switch (itemId) {
             case R.id.list_context_menu_show_on_map:
                 IntentUtils.showTrackOnMap(this, trackIds);
                 return true;
+            case R.id.list_context_menu_share:
+                intent = IntentUtils.newShareFileIntent(this, trackIds);
+                intent = Intent.createChooser(intent, null);
+                startActivity(intent);
+                return true;
             case R.id.list_context_menu_edit:
-                Intent intent = IntentUtils.newIntent(this, TrackEditActivity.class)
+                intent = IntentUtils.newIntent(this, TrackEditActivity.class)
                         .putExtra(TrackEditActivity.EXTRA_TRACK_ID, trackIds[0]);
                 startActivity(intent);
                 return true;

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

@@ -14,7 +14,7 @@
  * the License.
  */
 
-package de.dennisguse.opentracks;
+package de.dennisguse.opentracks.chart;
 
 import android.content.Context;
 import android.graphics.Canvas;
@@ -23,8 +23,6 @@ import android.graphics.Paint.Align;
 import android.graphics.Paint.Style;
 import android.graphics.Path;
 
-import androidx.annotation.VisibleForTesting;
-
 import java.text.NumberFormat;
 
 import de.dennisguse.opentracks.stats.ExtremityMonitor;
@@ -203,7 +201,6 @@ class ChartValueSeries {
     /**
      * Gets the interval value.
      */
-    @VisibleForTesting
     int getInterval() {
         return interval;
     }
@@ -218,7 +215,6 @@ class ChartValueSeries {
     /**
      * Gets the max marker value.
      */
-    @VisibleForTesting
     int getMaxMarkerValue() {
         return maxMarkerValue;
     }

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

@@ -14,7 +14,7 @@
  * the License.
  */
 
-package de.dennisguse.opentracks;
+package de.dennisguse.opentracks.chart;
 
 import android.content.Context;
 import android.content.Intent;
@@ -27,33 +27,40 @@ import android.graphics.Paint.Style;
 import android.graphics.Path;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
+import android.view.GestureDetector;
 import android.view.MotionEvent;
-import android.view.VelocityTracker;
+import android.view.ScaleGestureDetector;
 import android.view.View;
-import android.view.ViewConfiguration;
 import android.widget.Scroller;
 
+import androidx.core.view.GestureDetectorCompat;
+
 import java.text.NumberFormat;
 import java.util.ArrayList;
+import java.util.List;
 
+import de.dennisguse.opentracks.MarkerDetailActivity;
+import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.content.Waypoint;
 import de.dennisguse.opentracks.stats.ExtremityMonitor;
 import de.dennisguse.opentracks.util.IntentUtils;
+import de.dennisguse.opentracks.util.MarkerUtils;
 import de.dennisguse.opentracks.util.StringUtils;
 import de.dennisguse.opentracks.util.UnitConversions;
 
 /**
  * Visualization of the chart.
+ * Provides support for zooming (via pinch), scrolling, flinging, and selecting shown markers (single touch).
  *
  * @author Sandor Dornbush
  * @author Leif Hendrik Wilden
  */
 public class ChartView extends View {
 
-    public static final float MEDIUM_TEXT_SIZE = 18f;
-    public static final float SMALL_TEXT_SIZE = 12f;
+    static final float MEDIUM_TEXT_SIZE = 18f;
+    static final float SMALL_TEXT_SIZE = 12f;
 
-    public static final int Y_AXIS_INTERVALS = 5;
+    static final int Y_AXIS_INTERVALS = 5;
 
     public static final int NUM_SERIES = 6;
     public static final int ELEVATION_SERIES = 0;
@@ -74,25 +81,28 @@ public class ChartView extends View {
     private static final int SPACER = 4;
     private static final int Y_AXIS_OFFSET = 16;
 
+    //TODO Determine from actual size of the used drawable
+    private static final float WAYPOINT_X_ANCHOR = 13f / 48f;
+
     static {
         X_FRACTION_FORMAT.setMaximumFractionDigits(1);
         X_FRACTION_FORMAT.setMinimumFractionDigits(1);
     }
 
     private final ChartValueSeries[] series = new ChartValueSeries[NUM_SERIES];
-    private final ArrayList<double[]> chartData = new ArrayList<>();
-    private final ArrayList<Waypoint> waypoints = new ArrayList<>();
+    private final List<double[]> chartData = new ArrayList<>();
+    private final List<Waypoint> waypoints = new ArrayList<>();
     private final ExtremityMonitor xExtremityMonitor = new ExtremityMonitor();
     private final Paint axisPaint;
     private final Paint xAxisMarkerPaint;
     private final Paint gridPaint;
+    private final Paint markerPaint;
     private final Drawable pointer;
+    private final Drawable waypointMarker;
     private final int markerWidth;
     private final int markerHeight;
     private final Scroller scroller;
     private double maxX = 1.0;
-    private VelocityTracker velocityTracker = null;
-    private float lastMotionEventX = -1;
     private int zoomLevel = 1;
 
     private int leftBorder = BORDER;
@@ -107,18 +117,84 @@ public class ChartView extends View {
     private int effectiveWidth = 0;
     private int effectiveHeight = 0;
 
-    private boolean chartByDistance = true;
+    private boolean chartByDistance;
     private boolean metricUnits = true;
     private boolean reportSpeed = true;
     private boolean showPointer = false;
 
-    /**
-     * Constructor.
-     *
-     * @param context the context
-     */
-    public ChartView(Context context) {
+    private GestureDetectorCompat detectorScrollFlingTab = new GestureDetectorCompat(getContext(), new GestureDetector.SimpleOnGestureListener() {
+
+        @Override
+        public boolean onDown(MotionEvent e) {
+            if (!scroller.isFinished()) {
+                scroller.abortAnimation();
+            }
+            return true;
+        }
+
+        @Override
+        public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
+            if (Math.abs(distanceX) > 0) {
+                int availableToScroll = effectiveWidth * (zoomLevel - 1) - getScrollX();
+                if (availableToScroll > 0) {
+                    scrollBy(Math.min(availableToScroll, (int) distanceX));
+                }
+            }
+            return true;
+        }
+
+        @Override
+        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
+            fling((int) -velocityX);
+            return true;
+        }
+
+        @Override
+        public boolean onSingleTapConfirmed(MotionEvent event) {
+            // Check if the y event is within markerHeight of the marker center
+            if (Math.abs(event.getY() - topBorder - spacer - markerHeight / 2f) < markerHeight) {
+                int minDistance = Integer.MAX_VALUE;
+                Waypoint nearestWaypoint = null;
+                synchronized (waypoints) {
+                    for (Waypoint waypoint : waypoints) {
+                        int distance = Math.abs(getX(getWaypointXValue(waypoint)) - (int) event.getX() - getScrollX());
+                        if (distance < minDistance) {
+                            minDistance = distance;
+                            nearestWaypoint = waypoint;
+                        }
+                    }
+                }
+                if (nearestWaypoint != null && minDistance < markerWidth) {
+                    Intent intent = IntentUtils.newIntent(getContext(), MarkerDetailActivity.class)
+                            .putExtra(MarkerDetailActivity.EXTRA_MARKER_ID, nearestWaypoint.getId());
+                    getContext().startActivity(intent);
+                    return true;
+                }
+            }
+
+            return false;
+        }
+    });
+
+    private ScaleGestureDetector detectorZoom = new ScaleGestureDetector(getContext(), new ScaleGestureDetector.SimpleOnScaleGestureListener() {
+
+        @Override
+        public boolean onScale(ScaleGestureDetector detector) {
+            float scaleFactor = detector.getScaleFactor();
+            if (scaleFactor >= 1.1f) {
+                zoomIn();
+                return true;
+            } else if (scaleFactor <= 0.9) {
+                zoomOut();
+                return true;
+            }
+            return false;
+        }
+    });
+
+    public ChartView(Context context, boolean chartByDistance) {
         super(context);
+        this.chartByDistance = chartByDistance;
 
         series[ELEVATION_SERIES] = new ChartValueSeries(context,
                 Integer.MIN_VALUE,
@@ -186,7 +262,7 @@ public class ChartView extends View {
         gridPaint.setAntiAlias(false);
         gridPaint.setPathEffect(new DashPathEffect(new float[]{3, 2}, 0));
 
-        Paint markerPaint = new Paint();
+        markerPaint = new Paint();
         markerPaint.setStyle(Style.STROKE);
         markerPaint.setColor(context.getResources().getColor(android.R.color.darker_gray));
         markerPaint.setAntiAlias(false);
@@ -194,12 +270,9 @@ public class ChartView extends View {
         pointer = context.getResources().getDrawable(R.drawable.ic_logo_color_24dp);
         pointer.setBounds(0, 0, pointer.getIntrinsicWidth(), pointer.getIntrinsicHeight());
 
-        Drawable statisticsMarker = getResources().getDrawable(R.drawable.ic_marker_yellow_pushpin);
-        markerWidth = statisticsMarker.getIntrinsicWidth();
-        markerHeight = statisticsMarker.getIntrinsicHeight();
-        statisticsMarker.setBounds(0, 0, markerWidth, markerHeight);
-
-        Drawable waypointMarker = getResources().getDrawable(R.drawable.ic_marker_blue_pushpin);
+        waypointMarker = MarkerUtils.getDefaultPhoto(context);
+        markerWidth = waypointMarker.getIntrinsicWidth();
+        markerHeight = waypointMarker.getIntrinsicHeight();
         waypointMarker.setBounds(0, 0, markerWidth, markerHeight);
 
         scroller = new Scroller(context);
@@ -222,16 +295,6 @@ public class ChartView extends View {
         series[index].setEnabled(enabled);
     }
 
-    /**
-     * Sets chart by distance.
-     * It is expected that after changing this value, data will be reloaded.
-     *
-     * @param value true for by distance, false for by time
-     */
-    public void setChartByDistance(boolean value) {
-        chartByDistance = value;
-    }
-
     /**
      * Sets metric units.
      *
@@ -264,11 +327,10 @@ public class ChartView extends View {
      *
      * @param dataPoints an array of data points to be added
      */
-    public void addDataPoints(ArrayList<double[]> dataPoints) {
+    public void addDataPoints(List<double[]> dataPoints) {
         synchronized (chartData) {
             chartData.addAll(dataPoints);
-            for (int i = 0; i < dataPoints.size(); i++) {
-                double[] dataPoint = dataPoints.get(i);
+            for (double[] dataPoint : dataPoints) {
                 xExtremityMonitor.update(dataPoint[0]);
                 for (int j = 0; j < series.length; j++) {
                     if (!Double.isNaN(dataPoint[j + 1])) {
@@ -410,79 +472,14 @@ public class ChartView extends View {
 
     @Override
     public boolean onTouchEvent(MotionEvent event) {
-        if (velocityTracker == null) {
-            velocityTracker = VelocityTracker.obtain();
-        }
-        velocityTracker.addMovement(event);
-        float x = event.getX();
-        switch (event.getAction()) {
-            case MotionEvent.ACTION_DOWN:
-                // Stop the fling
-                if (!scroller.isFinished()) {
-                    scroller.abortAnimation();
-                }
-                lastMotionEventX = x;
-                break;
-            case MotionEvent.ACTION_MOVE:
-                if (lastMotionEventX == -1) {
-                    break;
-                }
-                // Scroll to follow the motion event
-                int deltaX = (int) (lastMotionEventX - x);
-                lastMotionEventX = x;
-                if (deltaX < 0) {
-                    if (getScrollX() > 0) {
-                        scrollBy(deltaX);
-                    }
-                } else if (deltaX > 0) {
-                    int availableToScroll = effectiveWidth * (zoomLevel - 1) - getScrollX();
-                    if (availableToScroll > 0) {
-                        scrollBy(Math.min(availableToScroll, deltaX));
-                    }
-                }
-                break;
-            case MotionEvent.ACTION_UP:
-                // Check if the y event is within markerHeight of the marker center
-                if (Math.abs(event.getY() - topBorder - spacer - markerHeight / 2) < markerHeight) {
-                    int minDistance = Integer.MAX_VALUE;
-                    Waypoint nearestWaypoint = null;
-                    synchronized (waypoints) {
-                        for (int i = 0; i < waypoints.size(); i++) {
-                            Waypoint waypoint = waypoints.get(i);
-                            int distance = Math.abs(getX(getWaypointXValue(waypoint)) - (int) event.getX() - getScrollX());
-                            if (distance < minDistance) {
-                                minDistance = distance;
-                                nearestWaypoint = waypoint;
-                            }
-                        }
-                    }
-                    if (nearestWaypoint != null && minDistance < markerWidth) {
-                        Intent intent = IntentUtils.newIntent(getContext(), MarkerDetailActivity.class)
-                                .putExtra(MarkerDetailActivity.EXTRA_MARKER_ID, nearestWaypoint.getId());
-                        getContext().startActivity(intent);
-                        return true;
-                    }
-                }
-
-                VelocityTracker myVelocityTracker = velocityTracker;
-                myVelocityTracker.computeCurrentVelocity(1000);
-                int initialVelocity = (int) myVelocityTracker.getXVelocity();
-                if (Math.abs(initialVelocity) > ViewConfiguration.getMinimumFlingVelocity()) {
-                    fling(-initialVelocity);
-                }
-                if (velocityTracker != null) {
-                    velocityTracker.recycle();
-                    velocityTracker = null;
-                }
-                break;
-        }
-        return true;
+        boolean isZoom = detectorZoom.onTouchEvent(event);
+        boolean isScrollTab = detectorScrollFlingTab.onTouchEvent(event);
+        return isZoom || isScrollTab;
     }
 
     @Override
     protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
-        updateEffectiveDimensionsIfChanged(
-                View.MeasureSpec.getSize(widthMeasureSpec), View.MeasureSpec.getSize(heightMeasureSpec));
+        updateEffectiveDimensionsIfChanged(View.MeasureSpec.getSize(widthMeasureSpec), View.MeasureSpec.getSize(heightMeasureSpec));
         super.onMeasure(widthMeasureSpec, heightMeasureSpec);
     }
 
@@ -498,6 +495,7 @@ public class ChartView extends View {
 
             clipToGraphArea(canvas);
             drawDataSeries(canvas);
+            drawWaypoints(canvas);
             drawGrid(canvas);
 
             canvas.restore();
@@ -538,6 +536,33 @@ public class ChartView extends View {
         }
     }
 
+    /**
+     * Draws the waypoints.
+     *
+     * @param canvas the canvas
+     */
+    private void drawWaypoints(Canvas canvas) {
+        synchronized (waypoints) {
+            for (int i = 0; i < waypoints.size(); i++) {
+                final Waypoint waypoint = waypoints.get(i);
+                if (waypoint.getLocation() == null) {
+                    continue;
+                }
+                double xValue = getWaypointXValue(waypoint);
+                if (xValue > maxX) {
+                    continue;
+                }
+                canvas.save();
+                float x = getX(getWaypointXValue(waypoint));
+                canvas.drawLine(x, topBorder + spacer + markerHeight / 2, x, topBorder + effectiveHeight, markerPaint);
+                canvas.translate(x - (float) (markerWidth * WAYPOINT_X_ANCHOR), topBorder + spacer);
+
+                waypointMarker.draw(canvas);
+                canvas.restore();
+            }
+        }
+    }
+
     /**
      * Draws the grid.
      *
@@ -545,9 +570,9 @@ public class ChartView extends View {
      */
     private void drawGrid(Canvas canvas) {
         // X axis grid
-        ArrayList<Double> xAxisMarkerPositions = getXAxisMarkerPositions(getXAxisInterval());
-        for (int i = 0; i < xAxisMarkerPositions.size(); i++) {
-            int x = getX(xAxisMarkerPositions.get(i));
+        List<Double> xAxisMarkerPositions = getXAxisMarkerPositions(getXAxisInterval());
+        for (double position : xAxisMarkerPositions) {
+            int x = getX(position);
             canvas.drawLine(x, topBorder, x, topBorder + effectiveHeight, gridPaint);
         }
         // Y axis grid
@@ -619,10 +644,10 @@ public class ChartView extends View {
         canvas.drawText(label, x + effectiveWidth + spacer, y + yOffset, axisPaint);
 
         double interval = getXAxisInterval();
-        ArrayList<Double> markerPositions = getXAxisMarkerPositions(interval);
         NumberFormat numberFormat = interval < 1 ? X_FRACTION_FORMAT : X_NUMBER_FORMAT;
-        for (int i = 0; i < markerPositions.size(); i++) {
-            drawXAxisMarker(canvas, markerPositions.get(i), numberFormat, spacer + yOffset);
+
+        for (double markerPosition : getXAxisMarkerPositions(interval)) {
+            drawXAxisMarker(canvas, markerPosition, numberFormat, spacer + yOffset);
         }
     }
 
@@ -632,8 +657,7 @@ public class ChartView extends View {
     private String getXAxisLabel() {
         Context context = getContext();
         if (chartByDistance) {
-            return metricUnits ? context.getString(R.string.unit_kilometer)
-                    : context.getString(R.string.unit_mile);
+            return metricUnits ? context.getString(R.string.unit_kilometer) : context.getString(R.string.unit_mile);
         } else {
             return context.getString(R.string.description_time);
         }
@@ -673,8 +697,8 @@ public class ChartView extends View {
     /**
      * Gets the x axis marker positions.
      */
-    private ArrayList<Double> getXAxisMarkerPositions(double interval) {
-        ArrayList<Double> markers = new ArrayList<>();
+    private List<Double> getXAxisMarkerPositions(double interval) {
+        List<Double> markers = new ArrayList<>();
         markers.add(0d);
         for (int i = 1; i * interval < maxX; i++) {
             markers.add(i * interval);
@@ -733,8 +757,7 @@ public class ChartView extends View {
      * @param yValue           the y value
      * @return the marker width.
      */
-    private float drawYAxisMarker(
-            ChartValueSeries chartValueSeries, Canvas canvas, int xPosition, int yValue) {
+    private float drawYAxisMarker(ChartValueSeries chartValueSeries, Canvas canvas, int xPosition, int yValue) {
         String marker = chartValueSeries.formatMarker(yValue);
         Paint paint = chartValueSeries.getMarkerPaint();
         Rect rect = getRect(paint, marker);
@@ -785,8 +808,7 @@ public class ChartView extends View {
     private void drawPaths() {
         boolean[] hasMoved = new boolean[series.length];
 
-        for (int i = 0; i < chartData.size(); i++) {
-            double[] dataPoint = chartData.get(i);
+        for (double[] dataPoint : chartData) {
             for (int j = 0; j < series.length; j++) {
                 double value = dataPoint[j + 1];
                 if (Double.isNaN(value)) {
@@ -869,8 +891,7 @@ public class ChartView extends View {
         topBorder = (int) (density * BORDER + titleDimensions[0] * (titleDimensions[1] + spacer));
         Rect xAxisLabelRect = getRect(axisPaint, getXAxisLabel());
         // border + x axis marker + spacer + .5 x axis label
-        bottomBorder = (int) (density * BORDER + getRect(xAxisMarkerPaint, "1").height() + spacer
-                + (xAxisLabelRect.height() / 2));
+        bottomBorder = (int) (density * BORDER + getRect(xAxisMarkerPaint, "1").height() + spacer + (xAxisLabelRect.height() / 2));
         rightBorder = (int) (density * BORDER + xAxisLabelRect.width() + spacer);
         updateEffectiveDimensions();
     }

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

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

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

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

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

@@ -28,11 +28,6 @@ public class SensorDataSetLocation extends Location {
 
     private SensorDataSet sensorDataSet = null;
 
-    /**
-     * The id of this location from the provider.
-     */
-    private int id = -1;
-
     public SensorDataSetLocation(Location location, SensorDataSet sensorDataSet) {
         super(location);
         this.sensorDataSet = sensorDataSet;
@@ -50,17 +45,8 @@ public class SensorDataSetLocation extends Location {
         this.sensorDataSet = sensorDataSet;
     }
 
-    public int getId() {
-        return id;
-    }
-
-    public void setId(int id) {
-        this.id = id;
-    }
-
     public void reset() {
         super.reset();
         sensorDataSet = null;
-        id = -1;
     }
 }

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

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

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

@@ -30,7 +30,6 @@ import java.util.EnumSet;
 import java.util.Set;
 
 import de.dennisguse.opentracks.R;
-import de.dennisguse.opentracks.content.ContentProviderUtils.LocationIterator;
 import de.dennisguse.opentracks.util.LocationUtils;
 import de.dennisguse.opentracks.util.PreferencesUtils;
 
@@ -41,17 +40,24 @@ import de.dennisguse.opentracks.util.PreferencesUtils;
  */
 public class TrackDataHub implements DataSourceListener {
 
+    public synchronized static TrackDataHub newInstance(Context context) {
+        return new TrackDataHub(context, new TrackDataManager(), new ContentProviderUtils(context), TARGET_DISPLAYED_TRACK_POINTS);
+    }
+
     /**
      * Target number of track points displayed by the map overlay.
      * We may display more than this number of points.
      */
-    static final int TARGET_DISPLAYED_TRACK_POINTS = 5000;
+    @Deprecated
+    private static final int TARGET_DISPLAYED_TRACK_POINTS = 5000;
 
     /**
      * Maximum number of waypoints to displayed.
      */
     @VisibleForTesting
+    @Deprecated
     private static final int MAX_DISPLAYED_WAYPOINTS = 128;
+
     private static final String TAG = TrackDataHub.class.getSimpleName();
 
     private final Context context;
@@ -96,11 +102,6 @@ public class TrackDataHub implements DataSourceListener {
         resetSamplingState();
     }
 
-    public synchronized static TrackDataHub newInstance(Context context) {
-        return new TrackDataHub(context, new TrackDataManager(), ContentProviderUtils.Factory.get(
-                context), TARGET_DISPLAYED_TRACK_POINTS);
-    }
-
     public void start() {
         if (started) {
             Log.i(TAG, "TrackDataHub already started, ignoring start.");
@@ -254,13 +255,13 @@ public class TrackDataHub implements DataSourceListener {
         runInHandlerThread(new Runnable() {
             @Override
             public void run() {
-                if (key == null || key.equals(PreferencesUtils.getKey(context, R.string.recording_track_id_key))) {
-                    recordingTrackId = PreferencesUtils.getLong(context, R.string.recording_track_id_key);
+                if (PreferencesUtils.isKey(context, R.string.recording_track_id_key, key)) {
+                    recordingTrackId = PreferencesUtils.getRecordingTrackId(context);
                 }
-                if (key == null || key.equals(PreferencesUtils.getKey(context, R.string.recording_track_paused_key))) {
-                    recordingTrackPaused = PreferencesUtils.getBoolean(context, R.string.recording_track_paused_key, PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT);
+                if (PreferencesUtils.isKey(context, R.string.recording_track_paused_key, key)) {
+                    recordingTrackPaused = PreferencesUtils.isRecordingTrackPaused(context);
                 }
-                if (key == null || key.equals(PreferencesUtils.getKey(context, R.string.stats_units_key))) {
+                if (PreferencesUtils.isKey(context, R.string.stats_units_key, key)) {
                     metricUnits = PreferencesUtils.isMetricUnits(context);
                     if (key != null) {
                         for (TrackDataListener trackDataListener : trackDataManager.getListeners(TrackDataType.PREFERENCE)) {
@@ -270,7 +271,7 @@ public class TrackDataHub implements DataSourceListener {
                         }
                     }
                 }
-                if (key == null || key.equals(PreferencesUtils.getKey(context, R.string.stats_rate_key))) {
+                if (PreferencesUtils.isKey(context, R.string.stats_rate_key, key)) {
                     reportSpeed = PreferencesUtils.isReportSpeed(context);
                     if (key != null) {
                         for (TrackDataListener trackDataListener : trackDataManager.getListeners(TrackDataType.PREFERENCE)) {
@@ -280,8 +281,8 @@ public class TrackDataHub implements DataSourceListener {
                         }
                     }
                 }
-                if (key == null || key.equals(PreferencesUtils.getKey(context, R.string.recording_gps_accuracy_key))) {
-                    recordingGpsAccuracy = PreferencesUtils.getInt(context, R.string.recording_gps_accuracy_key, PreferencesUtils.RECORDING_GPS_ACCURACY_DEFAULT);
+                if (PreferencesUtils.isKey(context, R.string.recording_gps_accuracy_key, key)) {
+                    recordingGpsAccuracy = PreferencesUtils.getRecordingGPSAccuracy(context);
                     if (key != null) {
                         for (TrackDataListener trackDataListener : trackDataManager.getListeners(TrackDataType.PREFERENCE)) {
                             if (trackDataListener.onRecordingGpsAccuracy(recordingGpsAccuracy)) {
@@ -290,8 +291,8 @@ public class TrackDataHub implements DataSourceListener {
                         }
                     }
                 }
-                if (key == null || key.equals(PreferencesUtils.getKey(context, R.string.recording_distance_interval_key))) {
-                    recordingDistanceInterval = PreferencesUtils.getInt(context, R.string.recording_distance_interval_key, PreferencesUtils.RECORDING_DISTANCE_INTERVAL_DEFAULT);
+                if (PreferencesUtils.isKey(context, R.string.recording_distance_interval_key, key)) {
+                    recordingDistanceInterval = PreferencesUtils.getRecordingDistanceInterval(context);
                     if (key != null) {
                         for (TrackDataListener trackDataListener : trackDataManager.getListeners(TrackDataType.PREFERENCE)) {
                             if (trackDataListener.onRecordingDistanceIntervalChanged(recordingDistanceInterval)) {
@@ -398,8 +399,7 @@ public class TrackDataHub implements DataSourceListener {
             trackDataListener.clearWaypoints();
         }
 
-        try (Cursor cursor = contentProviderUtils.getWaypointCursor(
-                selectedTrackId, -1L, MAX_DISPLAYED_WAYPOINTS)) {
+        try (Cursor cursor = contentProviderUtils.getWaypointCursor(selectedTrackId, -1L, MAX_DISPLAYED_WAYPOINTS)) {
             if (cursor != null && cursor.moveToFirst()) {
                 do {
                     Waypoint waypoint = contentProviderUtils.createWaypoint(cursor);
@@ -448,7 +448,7 @@ public class TrackDataHub implements DataSourceListener {
         int samplingFrequency = -1;
         boolean includeNextPoint = false;
 
-        try (LocationIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(selectedTrackId, localLastSeenLocationId + 1, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY)) {
+        try (LocationIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(selectedTrackId, localLastSeenLocationId + 1, false, LocationFactory.DEFAULT_LOCATION_FACTORY)) {
 
             while (locationIterator.hasNext()) {
                 Location location = locationIterator.next();
@@ -468,12 +468,8 @@ public class TrackDataHub implements DataSourceListener {
                     samplingFrequency = 1 + (int) (numTotalPoints / targetNumPoints);
                 }
 
-                if (!LocationUtils.isValidLocation(location)) {
-                    // TODO: also include the last valid point before a split
-                    for (TrackDataListener trackDataListener : sampledInListeners) {
-                        trackDataListener.onSegmentSplit(location);
-                        includeNextPoint = true;
-                    }
+                if (!LocationUtils.isValidLocation(location)) { //This can be split markers (not anymore supported feature)
+                    includeNextPoint = true;
                 } else {
                     // Also include the last point if the selected track is not recording.
                     if (includeNextPoint || (localNumLoadedPoints % samplingFrequency == 0) || (locationId == lastTrackPointId && !isSelectedTrackRecording())) {

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

@@ -51,14 +51,9 @@ public interface TrackDataListener {
      */
     void onSampledOutTrackPoint(Location location);
 
-    /**
-     * Called when an invalid track point representing a segment split is read.
-     */
-    void onSegmentSplit(Location location);
-
     /**
      * Called when finish sending new track points.
-     * This gets called after every batch of calls to {@link #onSampledInTrackPoint(Location)}, {@link #onSampledOutTrackPoint(Location)} and {@link #onSegmentSplit(Location)}.
+     * This gets called after every batch of calls to {@link #onSampledInTrackPoint(Location)} and {@link #onSampledOutTrackPoint(Location)}.
      */
     void onNewTrackPointsDone();
 

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

@@ -188,6 +188,7 @@ public final class Waypoint {
     }
 
     public enum WaypointType {
-        WAYPOINT, STATISTICS
+        WAYPOINT,
+        STATISTICS //Always the first waypoint; only one can exist.
     }
 }

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

@@ -26,8 +26,7 @@ public class WaypointCreationRequest {
 
     public final static WaypointCreationRequest DEFAULT_WAYPOINT = new WaypointCreationRequest(WaypointType.WAYPOINT, false);
 
-    public final static WaypointCreationRequest DEFAULT_STATISTICS = new WaypointCreationRequest(WaypointType.STATISTICS, false);
-
+    @Deprecated // TODO Do not create per
     public final static WaypointCreationRequest DEFAULT_START_TRACK = new WaypointCreationRequest(WaypointType.STATISTICS, true);
 
     private WaypointType type;

src/main/java/de/dennisguse/opentracks/content/sensor/SensorDataSet.java

@@ -2,11 +2,11 @@ package de.dennisguse.opentracks.content.sensor;
 
 public final class SensorDataSet {
 
-    public static final float DATA_UNAVAILABLE = Integer.MAX_VALUE;
+    public static final float DATA_UNAVAILABLE = Float.NaN;
 
-    //TODO It might be necessary to consider: sensor if sensor was connected as well.
-    public String sensorName;
-    public String sensorAddress;
+    //TODO It might be necessary to consider: if sensor was connected as well.
+    private String sensorName;
+    private String sensorAddress;
     private float heartRate;
     private float cadence;
     private float power;
@@ -40,7 +40,7 @@ public final class SensorDataSet {
     }
 
     public boolean hasHeartRate() {
-        return heartRate != DATA_UNAVAILABLE;
+        return !Float.isNaN(heartRate) && heartRate > 0;
     }
 
     public float getHeartRate() {
@@ -48,7 +48,7 @@ public final class SensorDataSet {
     }
 
     public boolean hasCadence() {
-        return cadence != DATA_UNAVAILABLE;
+        return !Float.isNaN(cadence);
     }
 
     public float getCadence() {
@@ -56,7 +56,7 @@ public final class SensorDataSet {
     }
 
     public boolean hasPower() {
-        return power != DATA_UNAVAILABLE;
+        return !Float.isNaN(power);
     }
 
     public float getPower() {
@@ -77,7 +77,7 @@ public final class SensorDataSet {
     }
 
     public boolean hasBatteryLevel() {
-        return batteryLevel != DATA_UNAVAILABLE;
+        return !Float.isNaN(batteryLevel);
     }
 
     public float getBatteryLevel() {

src/main/java/de/dennisguse/opentracks/content/sensor/SensorState.java

@@ -8,6 +8,7 @@ public enum SensorState {
     NONE,
     CONNECTING,
     CONNECTED,
+    DISCONNECTING,
     DISCONNECTED;
 
     public static String getStateAsString(SensorState state, Context c) {
@@ -18,6 +19,8 @@ public enum SensorState {
                 return c.getString(R.string.sensor_state_connecting);
             case CONNECTED:
                 return c.getString(R.string.sensor_state_connected);
+            case DISCONNECTING:
+                return c.getString(R.string.sensor_state_disconnected);
             case DISCONNECTED:
                 return c.getString(R.string.sensor_state_disconnected);
             default:

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

@@ -0,0 +1,10 @@
+package de.dennisguse.opentracks.fragments;
+
+public class ChartDistanceFragment extends ChartFragment {
+
+    public static final String CHART_FRAGMENT_TAG = ChartDistanceFragment.class.getSimpleName();
+
+    public ChartDistanceFragment() {
+        super(true);
+    }
+}

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

@@ -22,19 +22,20 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewGroup.LayoutParams;
-import android.widget.ZoomControls;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.annotation.VisibleForTesting;
 import androidx.fragment.app.Fragment;
 import androidx.fragment.app.FragmentActivity;
 
 import java.util.ArrayList;
 import java.util.EnumSet;
+import java.util.List;
 
-import de.dennisguse.opentracks.ChartView;
 import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.TrackDetailActivity;
+import de.dennisguse.opentracks.chart.ChartView;
 import de.dennisguse.opentracks.content.SensorDataSetLocation;
 import de.dennisguse.opentracks.content.Track;
 import de.dennisguse.opentracks.content.TrackDataHub;
@@ -54,11 +55,11 @@ import de.dennisguse.opentracks.util.UnitConversions;
  * @author Sandor Dornbush
  * @author Rodrigo Damazio
  */
-public class ChartFragment extends Fragment implements TrackDataListener {
+public abstract class ChartFragment extends Fragment implements TrackDataListener {
 
-    public static final String CHART_FRAGMENT_TAG = "chartFragment";
+    private static final String STATE_CHART_VIEW_BY_DISTANCE_KEY = "chartViewByDistance";
 
-    private final ArrayList<double[]> pendingPoints = new ArrayList<>();
+    private final List<double[]> pendingPoints = new ArrayList<>();
 
     private TrackDataHub trackDataHub;
 
@@ -68,18 +69,17 @@ public class ChartFragment extends Fragment implements TrackDataListener {
 
     private boolean metricUnits = true;
     private boolean reportSpeed = true;
-    private int recordingDistanceInterval = PreferencesUtils.RECORDING_DISTANCE_INTERVAL_DEFAULT;
+    private int recordingDistanceInterval;
 
     // Modes of operation
-    private boolean chartByDistance = true;
+    private boolean chartByDistance;
     private boolean[] chartShow = new boolean[]{true, true, true, true, true, true};
 
     // UI elements
     private ChartView chartView;
-    private ZoomControls zoomControls;
 
     /**
-     * A runnable that will enable/disable zoom controls and orange pointer as appropriate and redraw.
+     * A runnable that will set the orange pointer as appropriate and redraw.
      */
     private final Runnable updateChart = new Runnable() {
         @Override
@@ -88,46 +88,34 @@ public class ChartFragment extends Fragment implements TrackDataListener {
                 return;
             }
 
-            zoomControls.setIsZoomInEnabled(chartView.canZoomIn());
-            zoomControls.setIsZoomOutEnabled(chartView.canZoomOut());
             chartView.setShowPointer(isSelectedTrackRecording());
             chartView.invalidate();
         }
     };
 
+    public ChartFragment(boolean chartByDistance) {
+        this.chartByDistance = chartByDistance;
+    }
+
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        /*
-         * Create a chartView here to store data thus won't need to reload all the data on every onStart or onResume.
-         */
-        chartView = new ChartView(getActivity());
+        recordingDistanceInterval = PreferencesUtils.getRecordingDistanceIntervalDefault(getContext());
+
+        // Create a chartView here to store data thus won't need to reload all the data on every onStart or onResume.
+        chartView = new ChartView(getContext(), chartByDistance);
     }
 
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
-        View view = inflater.inflate(R.layout.chart, container, false);
-        zoomControls = view.findViewById(R.id.chart_zoom_controls);
-        zoomControls.setOnZoomInClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                zoomIn();
-            }
-        });
-        zoomControls.setOnZoomOutClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View v) {
-                zoomOut();
-            }
-        });
-        return view;
+        return inflater.inflate(R.layout.chart, container, false);
     }
 
     @Override
     public void onStart() {
         super.onStart();
-        ViewGroup layout = getActivity().findViewById(R.id.chart_view_layout);
+        ViewGroup layout = getView().findViewById(R.id.chart_view_layout);
         LayoutParams layoutParams = new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
         layout.addView(chartView, layoutParams);
     }
@@ -149,10 +137,24 @@ public class ChartFragment extends Fragment implements TrackDataListener {
     @Override
     public void onStop() {
         super.onStop();
-        ViewGroup layout = getActivity().findViewById(R.id.chart_view_layout);
+        ViewGroup layout = getView().findViewById(R.id.chart_view_layout);
         layout.removeView(chartView);
     }
 
+    @Override
+    public void onSaveInstanceState(@NonNull Bundle outState) {
+        super.onSaveInstanceState(outState);
+        outState.putBoolean(STATE_CHART_VIEW_BY_DISTANCE_KEY, chartByDistance);
+    }
+
+    @Override
+    public void onViewStateRestored(@Nullable Bundle savedInstanceState) {
+        super.onViewStateRestored(savedInstanceState);
+        if (savedInstanceState != null) {
+            chartByDistance = savedInstanceState.getBoolean(STATE_CHART_VIEW_BY_DISTANCE_KEY);
+        }
+    }
+
     @Override
     public void onTrackUpdated(Track track) {
         if (isResumed()) {
@@ -197,13 +199,6 @@ public class ChartFragment extends Fragment implements TrackDataListener {
         }
     }
 
-    @Override
-    public void onSegmentSplit(Location location) {
-        if (isResumed()) {
-            fillDataPoint(location, null);
-        }
-    }
-
     @Override
     public void onNewTrackPointsDone() {
         if (isResumed()) {
@@ -263,10 +258,8 @@ public class ChartFragment extends Fragment implements TrackDataListener {
             }
             reportSpeed = speed;
             chartView.setReportSpeed(reportSpeed);
-            boolean chartShowSpeed = PreferencesUtils.getBoolean(
-                    getActivity(), R.string.chart_show_speed_key, PreferencesUtils.CHART_SHOW_SPEED_DEFAULT);
-            setSeriesEnabled(ChartView.SPEED_SERIES, chartShowSpeed && reportSpeed);
-            setSeriesEnabled(ChartView.PACE_SERIES, chartShowSpeed && !reportSpeed);
+            setSeriesEnabled(ChartView.SPEED_SERIES, reportSpeed);
+            setSeriesEnabled(ChartView.PACE_SERIES, !reportSpeed);
             runOnUiThread(new Runnable() {
                 @Override
                 public void run() {
@@ -303,32 +296,14 @@ public class ChartFragment extends Fragment implements TrackDataListener {
      */
     private void checkChartSettings() {
         boolean needUpdate = false;
-        if (chartByDistance != PreferencesUtils.isChartByDistance(getActivity())) {
-            chartByDistance = !chartByDistance;
-            chartView.setChartByDistance(chartByDistance);
-            reloadTrackDataHub();
+
+        if (setSeriesEnabled(ChartView.SPEED_SERIES, reportSpeed)) {
             needUpdate = true;
         }
-        if (setSeriesEnabled(ChartView.ELEVATION_SERIES, PreferencesUtils.getBoolean(getActivity(), R.string.chart_show_elevation_key, PreferencesUtils.CHART_SHOW_ELEVATION_DEFAULT))) {
+        if (setSeriesEnabled(ChartView.PACE_SERIES, !reportSpeed)) {
             needUpdate = true;
         }
 
-        boolean chartShowSpeed = PreferencesUtils.getBoolean(getActivity(), R.string.chart_show_speed_key, PreferencesUtils.CHART_SHOW_SPEED_DEFAULT);
-        if (setSeriesEnabled(ChartView.SPEED_SERIES, chartShowSpeed && reportSpeed)) {
-            needUpdate = true;
-        }
-        if (setSeriesEnabled(ChartView.PACE_SERIES, chartShowSpeed && !reportSpeed)) {
-            needUpdate = true;
-        }
-        if (setSeriesEnabled(ChartView.POWER_SERIES, PreferencesUtils.getBoolean(getActivity(), R.string.chart_show_power_key, PreferencesUtils.CHART_SHOW_POWER_DEFAULT))) {
-            needUpdate = true;
-        }
-        if (setSeriesEnabled(ChartView.CADENCE_SERIES, PreferencesUtils.getBoolean(getActivity(), R.string.chart_show_cadence_key, PreferencesUtils.CHART_SHOW_CADENCE_DEFAULT))) {
-            needUpdate = true;
-        }
-        if (setSeriesEnabled(ChartView.HEART_RATE_SERIES, PreferencesUtils.getBoolean(getActivity(), R.string.chart_show_heart_rate_key, PreferencesUtils.CHART_SHOW_HEART_RATE_DEFAULT))) {
-            needUpdate = true;
-        }
         if (needUpdate) {
             chartView.postInvalidate();
         }
@@ -389,18 +364,6 @@ public class ChartFragment extends Fragment implements TrackDataListener {
         }
     }
 
-    private void zoomIn() {
-        chartView.zoomIn();
-        zoomControls.setIsZoomInEnabled(chartView.canZoomIn());
-        zoomControls.setIsZoomOutEnabled(chartView.canZoomOut());
-    }
-
-    private void zoomOut() {
-        chartView.zoomOut();
-        zoomControls.setIsZoomInEnabled(chartView.canZoomIn());
-        zoomControls.setIsZoomOutEnabled(chartView.canZoomOut());
-    }
-
     /**
      * Runs a runnable on the UI thread if possible.
      *

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

@@ -0,0 +1,10 @@
+package de.dennisguse.opentracks.fragments;
+
+public class ChartTimeFragment extends ChartFragment {
+
+    public static final String CHART_FRAGMENT_TAG = ChartTimeFragment.class.getSimpleName();
+
+    public ChartTimeFragment() {
+        super(false);
+    }
+}

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

@@ -1,6 +1,5 @@
 package de.dennisguse.opentracks.fragments;
 
-import android.app.Activity;
 import android.app.Dialog;
 import android.content.Context;
 import android.os.Bundle;
@@ -79,19 +78,6 @@ public class ChooseActivityTypeDialogFragment extends DialogFragment implements
         return view;
     }
 
-    /**
-     * TODO: Only used by obsolete Androidx preferences. Remove when onAttach(Context) is called.
-     */
-    @Override
-    public void onAttach(@NonNull Activity activity) {
-        super.onAttach(activity);
-        try {
-            chooseActivityTypeCaller = (ChooseActivityTypeCaller) activity;
-        } catch (ClassCastException e) {
-            throw new ClassCastException(activity + " must implement " + ChooseActivityTypeCaller.class.getSimpleName());
-        }
-    }
-
     public void onAttach(@NonNull Context context) {
         super.onAttach(context);
         try {

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

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

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

@@ -1,105 +0,0 @@
-/*
- * Copyright 2012 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.fragments;
-
-import android.app.AlertDialog;
-import android.app.Dialog;
-import android.content.DialogInterface;
-import android.os.Bundle;
-
-import androidx.annotation.NonNull;
-import androidx.fragment.app.DialogFragment;
-import androidx.fragment.app.FragmentActivity;
-import androidx.fragment.app.FragmentManager;
-
-import de.dennisguse.opentracks.R;
-import de.dennisguse.opentracks.util.PreferencesUtils;
-import de.dennisguse.opentracks.util.StringUtils;
-
-/**
- * A DialogFragment to configure frequency.
- *
- * @author Jimmy Shih
- */
-public class FrequencyDialogFragment extends DialogFragment {
-
-    private static final String FREQUENCY_DIALOG_TAG = "frequencyDialog";
-    private int preferenceId;
-    private int defaultValue;
-    private int titleId;
-
-    public FrequencyDialogFragment(int preferenceId, int defaultValue, int titleId) {
-        this.preferenceId = preferenceId;
-        this.defaultValue = defaultValue;
-        this.titleId = titleId;
-    }
-
-    public static void showDialog(FragmentManager fragmentManager, int preferenceId, int defaultValue, int titleId) {
-        new FrequencyDialogFragment(preferenceId, defaultValue, titleId).show(fragmentManager, FREQUENCY_DIALOG_TAG);
-    }
-
-    @Override
-    @NonNull
-    public Dialog onCreateDialog(Bundle savedInstanceState) {
-        FragmentActivity fragmentActivity = getActivity();
-
-        int frequencyValue = PreferencesUtils.getInt(fragmentActivity, preferenceId, defaultValue);
-
-        return new AlertDialog.Builder(fragmentActivity).setPositiveButton(
-                R.string.generic_ok, new DialogInterface.OnClickListener() {
-                    @Override
-                    public void onClick(DialogInterface dialog, int which) {
-                        int listIndex = ((AlertDialog) dialog).getListView().getCheckedItemPosition();
-                        PreferencesUtils.setInt(getActivity(), preferenceId, getFrequencyValue(listIndex));
-                    }
-                }).setSingleChoiceItems(
-                getFrequencyDisplayOptions(fragmentActivity), getListIndex(frequencyValue), null)
-                .setTitle(titleId).create();
-    }
-
-    /**
-     * Gets the frequency display options.
-     */
-    private String[] getFrequencyDisplayOptions(FragmentActivity fragmentActivity) {
-        boolean metricUnits = PreferencesUtils.isMetricUnits(fragmentActivity);
-        return StringUtils.getFrequencyOptions(fragmentActivity, metricUnits);
-    }
-
-    /**
-     * Gets the list index for a frequency value.
-     * Returns 0 if the value is not on the list.
-     */
-    private int getListIndex(int frequencyValue) {
-        String[] values = getResources().getStringArray(R.array.frequency_values);
-        for (int i = 0; i < values.length; i++) {
-            if (frequencyValue == Integer.parseInt(values[i])) {
-                return i;
-            }
-        }
-        return 0;
-    }
-
-    /**
-     * Gets the frequency value from a list index.
-     *
-     * @param listIndex the list index
-     */
-    private int getFrequencyValue(int listIndex) {
-        String[] values = getResources().getStringArray(R.array.frequency_values);
-        return Integer.parseInt(values[listIndex]);
-    }
-}

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

@@ -41,12 +41,10 @@ import androidx.fragment.app.FragmentActivity;
 import de.dennisguse.opentracks.MarkerEditActivity;
 import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.content.ContentProviderUtils;
-import de.dennisguse.opentracks.content.Track;
 import de.dennisguse.opentracks.content.Waypoint;
-import de.dennisguse.opentracks.content.Waypoint.WaypointType;
 import de.dennisguse.opentracks.util.IntentUtils;
 import de.dennisguse.opentracks.util.ListItemUtils;
-import de.dennisguse.opentracks.util.StatsUtils;
+import de.dennisguse.opentracks.util.MarkerUtils;
 import de.dennisguse.opentracks.util.StringUtils;
 import de.dennisguse.opentracks.util.UnitConversions;
 
@@ -62,7 +60,7 @@ public class MarkerDetailFragment extends Fragment {
     private static final long HIDE_TEXT_DELAY = 4 * UnitConversions.ONE_SECOND;
     private ContentProviderUtils contentProviderUtils;
     private Handler handler;
-    private ImageView photo;
+    private ImageView photoView;
     private ImageView textGradient;
     private LinearLayout waypointInfo;
     private Waypoint waypoint;
@@ -110,7 +108,7 @@ public class MarkerDetailFragment extends Fragment {
             getFragmentManager().popBackStack();
             return;
         }
-        contentProviderUtils = ContentProviderUtils.Factory.get(getActivity());
+        contentProviderUtils = new ContentProviderUtils(getActivity());
         handler = new Handler();
         setHasOptionsMenu(true);
     }
@@ -119,11 +117,11 @@ public class MarkerDetailFragment extends Fragment {
     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         View view = inflater.inflate(R.layout.marker_detail_fragment, container, false);
 
-        photo = view.findViewById(R.id.marker_detail_waypoint_photo);
+        photoView = view.findViewById(R.id.marker_detail_waypoint_photo);
         textGradient = view.findViewById(R.id.marker_detail_waypoint_text_gradient);
         waypointInfo = view.findViewById(R.id.marker_detail_waypoint_info);
 
-        photo.setOnClickListener(new View.OnClickListener() {
+        photoView.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View v) {
                 handler.removeCallbacks(hideText);
@@ -156,11 +154,8 @@ public class MarkerDetailFragment extends Fragment {
     @Override
     public void setMenuVisibility(boolean menuVisible) {
         super.setMenuVisibility(menuVisible);
-        /*
-         * View pager caches the neighboring fragments in the resumed state. If
-         * becoming visible from the resumed state, update the UI to display the
-         * text above the image.
-         */
+        // View pager caches the neighboring fragments in the resumed state.
+        // If becoming visible from the resumed state, update the UI to display the text above the image.
         if (isResumed()) {
             if (menuVisible) {
                 updateUi();
@@ -214,47 +209,25 @@ public class MarkerDetailFragment extends Fragment {
         }
     }
 
-    /**
-     * Updates the UI.
-     */
     private void updateUi() {
-        View waypointView = getView().findViewById(R.id.marker_detail_waypoint);
-        View statisticsView = getView().findViewById(R.id.marker_detail_statistics);
-
-        boolean isWaypoint = waypoint.getType() == WaypointType.WAYPOINT;
-        waypointView.setVisibility(isWaypoint ? View.VISIBLE : View.GONE);
-        statisticsView.setVisibility(isWaypoint ? View.GONE : View.VISIBLE);
-
-        if (isWaypoint) {
-            boolean hasPhoto = waypoint.hasPhoto();
-            photo.setVisibility(hasPhoto ? View.VISIBLE : View.GONE);
-            textGradient.setVisibility(hasPhoto ? View.VISIBLE : View.GONE);
-            waypointInfo.setVisibility(View.VISIBLE);
-
-            if (hasPhoto) {
-                handler.removeCallbacks(hideText);
-                photo.setImageURI(waypoint.getPhotoURI());
-                handler.postDelayed(hideText, HIDE_TEXT_DELAY);
-            }
-
-            setName(R.id.marker_detail_waypoint_name, hasPhoto);
-
-            TextView category = getView().findViewById(R.id.marker_detail_waypoint_category);
-            ListItemUtils.setTextView(getActivity(), category, StringUtils.getCategory(waypoint.getCategory()), hasPhoto);
-
-            TextView description = getView().findViewById(R.id.marker_detail_waypoint_description);
-            ListItemUtils.setTextView(getActivity(), description, waypoint.getDescription(), hasPhoto);
-
-            setLocation(R.id.marker_detail_waypoint_location, hasPhoto);
+        boolean hasPhoto = waypoint.hasPhoto();
+        if (hasPhoto) {
+            handler.removeCallbacks(hideText);
+            photoView.setImageURI(waypoint.getPhotoURI());
+            handler.postDelayed(hideText, HIDE_TEXT_DELAY);
         } else {
-            setName(R.id.marker_detail_statistics_name, false);
-
-            setLocation(R.id.marker_detail_statistics_location, false);
-
-            Track track = contentProviderUtils.getTrack(waypoint.getTrackId());
-            StatsUtils.setTripStatisticsValues(getActivity(), waypoint.getTripStatistics(), null);
-            StatsUtils.setLocationValues(getActivity(), waypoint.getLocation(), false);
+            photoView.setImageResource(MarkerUtils.ICON_ID);
         }
+
+        setName(R.id.marker_detail_waypoint_name, hasPhoto);
+
+        TextView category = getView().findViewById(R.id.marker_detail_waypoint_category);
+        ListItemUtils.setTextView(getActivity(), category, StringUtils.getCategory(waypoint.getCategory()), hasPhoto);
+
+        TextView description = getView().findViewById(R.id.marker_detail_waypoint_description);
+        ListItemUtils.setTextView(getActivity(), description, waypoint.getDescription(), hasPhoto);
+
+        setLocation(R.id.marker_detail_waypoint_location, hasPhoto);
     }
 
     private void setName(int resId, boolean addShadow) {

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

@@ -20,16 +20,18 @@ import android.location.Location;
 import android.os.Bundle;
 import android.os.Handler;
 import android.util.Log;
+import android.util.Pair;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Spinner;
+import android.widget.TextView;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 import androidx.fragment.app.Fragment;
-import androidx.fragment.app.FragmentActivity;
 
 import java.util.EnumSet;
 
@@ -43,11 +45,11 @@ import de.dennisguse.opentracks.content.Waypoint;
 import de.dennisguse.opentracks.content.sensor.SensorDataSet;
 import de.dennisguse.opentracks.services.ITrackRecordingService;
 import de.dennisguse.opentracks.services.TrackRecordingServiceConnection;
-import de.dennisguse.opentracks.services.sensors.RemoteSensorManager;
+import de.dennisguse.opentracks.services.sensors.BluetoothRemoteSensorManager;
 import de.dennisguse.opentracks.stats.TripStatistics;
 import de.dennisguse.opentracks.util.LocationUtils;
 import de.dennisguse.opentracks.util.PreferencesUtils;
-import de.dennisguse.opentracks.util.StatsUtils;
+import de.dennisguse.opentracks.util.StringUtils;
 import de.dennisguse.opentracks.util.TrackIconUtils;
 import de.dennisguse.opentracks.util.UnitConversions;
 
@@ -59,43 +61,139 @@ import de.dennisguse.opentracks.util.UnitConversions;
  */
 public class StatsFragment extends Fragment implements TrackDataListener {
 
-    public static final String STATS_FRAGMENT_TAG = "statsFragment";
+    public static final String STATS_FRAGMENT_TAG = StatsFragment.class.getSimpleName();
+
+    private static final long UI_UPDATE_INTERVAL = UnitConversions.ONE_SECOND;
 
     private TrackDataHub trackDataHub;
     private Handler handlerUpdateUI;
 
+    //TODO Initialize immediately and remove in onDestroy()
     private TrackRecordingServiceConnection trackRecordingServiceConnection;
 
     private Location lastLocation = null;
     private TripStatistics lastTripStatistics = null;
-    private SensorDataSet sensorDataSet = null;
 
-    private final Runnable updateUIeachSecond = new Runnable() {
-        public void run() {
-            if (isResumed() && isSelectedTrackRecording()) {
-                if (!isSelectedTrackPaused() && lastTripStatistics != null) {
-                    StatsUtils.setTotalTimeValue(getActivity(), System.currentTimeMillis() - lastTripStatistics.getStopTime() + lastTripStatistics.getTotalTime());
-                    updateSensorDataUI();
-                }
-
-                handlerUpdateUI.postDelayed(this, UnitConversions.ONE_SECOND);
-            }
-        }
-    };
     private String category = "";
-    private int recordingGpsAccuracy = PreferencesUtils.RECORDING_GPS_ACCURACY_DEFAULT;
+    private int recordingGpsAccuracy;
 
     @Override
     public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         return inflater.inflate(R.layout.stats, container, false);
     }
 
+    /* Views */
+    private View sensorContainerView;
+    private TextView heartRateValueView;
+    private TextView heartRateSensorView;
+
+    private TextView totalTimeValueView;
+    private final Runnable updateUIeachSecond = new Runnable() {
+        public void run() {
+            if (isResumed() && isSelectedTrackRecording()) {
+                if (!isSelectedTrackPaused() && lastTripStatistics != null) {
+                    updateTotalTime();
+                    updateSensorDataUI();
+                }
+
+                handlerUpdateUI.postDelayed(this, UI_UPDATE_INTERVAL);
+            }
+        }
+    };
+    private TextView distanceValue;
+    private TextView distanceUnit;
+    private View activityLabel;
+    private Spinner activitySpinner;
+    private TextView movingTimeValue;
+    private TextView speedAvgLabel;
+    private TextView speedAvgValue;
+    private TextView speedAvgUnit;
+    private TextView speedMaxLabel;
+    private TextView speedMaxValue;
+    private TextView speedMaxUnit;
+    private TextView speedMovingLabel;
+    private TextView speedMovingValue;
+    private TextView speedMovingUnit;
+    private View gradeElevationSeparator;
+    private View gradeElevationContainer;
+    private TextView elevationMinValue;
+    private TextView elevationMinUnit;
+    private TextView elevationMaxValue;
+    private TextView elevationMaxUnit;
+    private View speedContainer;
+    private TextView speedLabel;
+    private TextView speedValue;
+    private TextView speedUnit;
+    private View elevationContainer;
+    private TextView elevationValue;
+    private TextView elevationUnit;
+    private View coordinateSeparator;
+    private View coordinateContainer;
+    private TextView latitudeValue;
+    private TextView longitudeValue;
+
+    @Override
+    public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+
+        sensorContainerView = view.findViewById(R.id.stats_sensor_container);
+        heartRateValueView = view.findViewById(R.id.stats_sensor_heart_rate_value);
+        heartRateSensorView = view.findViewById(R.id.stats_sensor_heart_rate_sensor_value);
+
+        totalTimeValueView = view.findViewById(R.id.stats_total_time_value);
+
+        distanceValue = view.findViewById(R.id.stats_distance_value);
+        distanceUnit = view.findViewById(R.id.stats_distance_unit);
+
+        activityLabel = view.findViewById(R.id.stats_activity_type_label);
+        activitySpinner = view.findViewById(R.id.stats_activity_type_icon);
+
+        movingTimeValue = view.findViewById(R.id.stats_moving_time_value);
+
+        speedAvgLabel = view.findViewById(R.id.stats_average_speed_label);
+        speedAvgValue = view.findViewById(R.id.stats_average_speed_value);
+        speedAvgUnit = view.findViewById(R.id.stats_average_speed_unit);
+
+        speedMaxLabel = view.findViewById(R.id.stats_max_speed_label);
+        speedMaxValue = view.findViewById(R.id.stats_max_speed_value);
+        speedMaxUnit = view.findViewById(R.id.stats_max_speed_unit);
+
+        speedMovingLabel = view.findViewById(R.id.stats_moving_speed_label);
+        speedMovingValue = view.findViewById(R.id.stats_moving_speed_value);
+        speedMovingUnit = view.findViewById(R.id.stats_moving_speed_unit);
+
+        gradeElevationSeparator = view.findViewById(R.id.stats_elevation_separator);
+        gradeElevationContainer = view.findViewById(R.id.stats_elevation_container);
+
+        elevationMinValue = view.findViewById(R.id.stats_elevation_min_value);
+        elevationMinUnit = view.findViewById(R.id.stats_elevation_min_unit);
+
+        elevationMaxValue = view.findViewById(R.id.stats_elevation_max_value);
+        elevationMaxUnit = view.findViewById(R.id.stats_elevation_max_unit);
+
+        speedContainer = view.findViewById(R.id.stats_speed);
+        speedLabel = view.findViewById(R.id.stats_speed_label);
+        speedValue = view.findViewById(R.id.stats_speed_value);
+        speedUnit = view.findViewById(R.id.stats_speed_unit);
+
+        elevationContainer = view.findViewById(R.id.stats_elevation);
+        elevationValue = view.findViewById(R.id.stats_elevation_current_value);
+        elevationUnit = view.findViewById(R.id.stats_elevation_current_unit);
+
+        coordinateSeparator = view.findViewById(R.id.stats_coordinate_separator);
+        coordinateContainer = view.findViewById(R.id.stats_coordinate_container);
+
+        latitudeValue = view.findViewById(R.id.stats_latitude_value);
+        longitudeValue = view.findViewById(R.id.stats_longitude_value);
+    }
+
     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
+
+        recordingGpsAccuracy = Integer.parseInt(getContext().getResources().getString(R.string.recording_gps_accuracy_default));
+
         handlerUpdateUI = new Handler();
-        trackRecordingServiceConnection = new TrackRecordingServiceConnection(getContext(), null);
-        trackRecordingServiceConnection.startConnection(getContext());
 
         Spinner activityTypeIcon = getView().findViewById(R.id.stats_activity_type_icon);
         activityTypeIcon.setAdapter(TrackIconUtils.getIconSpinnerAdapter(getActivity(), ""));
@@ -123,10 +221,11 @@ public class StatsFragment extends Fragment implements TrackDataListener {
     public void onResume() {
         super.onResume();
         resumeTrackDataHub();
-        updateUi(getActivity());
-        if (isSelectedTrackRecording()) {
-            handlerUpdateUI.post(updateUIeachSecond);
-        }
+
+        trackRecordingServiceConnection = new TrackRecordingServiceConnection(getContext(), null);
+        trackRecordingServiceConnection.startConnection(getContext());
+
+        handlerUpdateUI.post(updateUIeachSecond);
     }
 
     @Override
@@ -139,7 +238,64 @@ public class StatsFragment extends Fragment implements TrackDataListener {
     @Override
     public void onStop() {
         super.onStop();
-        trackRecordingServiceConnection.unbind();
+        if (trackRecordingServiceConnection != null) {
+            trackRecordingServiceConnection.unbind();
+        }
+        trackRecordingServiceConnection = null;
+    }
+
+    @Override
+    public void onDestroyView() {
+        super.onDestroyView();
+        sensorContainerView = null;
+        heartRateValueView = null;
+        heartRateSensorView = null;
+
+        totalTimeValueView = null;
+
+        distanceValue = null;
+        distanceUnit = null;
+
+        activityLabel = null;
+        activitySpinner = null;
+
+        movingTimeValue = null;
+
+        speedAvgLabel = null;
+        speedAvgValue = null;
+        speedAvgUnit = null;
+
+        speedMaxLabel = null;
+        speedMaxValue = null;
+        speedMaxUnit = null;
+
+        speedMovingLabel = null;
+        speedMovingValue = null;
+        speedMovingUnit = null;
+
+        gradeElevationSeparator = null;
+        gradeElevationContainer = null;
+
+        elevationMinValue = null;
+        elevationMinUnit = null;
+
+        elevationMaxValue = null;
+        elevationMaxUnit = null;
+
+        speedContainer = null;
+        speedLabel = null;
+        speedValue = null;
+        speedUnit = null;
+
+        elevationContainer = null;
+        elevationValue = null;
+        elevationUnit = null;
+
+        coordinateSeparator = null;
+        coordinateContainer = null;
+
+        latitudeValue = null;
+        longitudeValue = null;
     }
 
     @Override
@@ -151,7 +307,7 @@ public class StatsFragment extends Fragment implements TrackDataListener {
                     if (isResumed()) {
                         lastTripStatistics = track != null ? track.getTripStatistics() : null;
                         category = track != null ? track.getCategory() : "";
-                        updateUi(getActivity());
+                        updateUI();
                     }
                 }
             });
@@ -173,11 +329,6 @@ public class StatsFragment extends Fragment implements TrackDataListener {
         lastLocation = location;
     }
 
-    @Override
-    public void onSegmentSplit(Location location) {
-        // We don't care.
-    }
-
     @Override
     public void onNewTrackPointsDone() {
         if (isResumed()) {
@@ -197,7 +348,7 @@ public class StatsFragment extends Fragment implements TrackDataListener {
                                 lastLocation = null;
                             }
                         }
-                        StatsUtils.setLocationValues(getActivity(), lastLocation, isSelectedTrackRecording());
+                        setLocationValues();
                     }
                 }
             });
@@ -226,7 +377,7 @@ public class StatsFragment extends Fragment implements TrackDataListener {
                 @Override
                 public void run() {
                     if (isResumed()) {
-                        updateUi(getActivity());
+                        updateUI();
                     }
                 }
             });
@@ -241,7 +392,7 @@ public class StatsFragment extends Fragment implements TrackDataListener {
                 @Override
                 public void run() {
                     if (isResumed()) {
-                        updateUi(getActivity());
+                        updateUI();
                     }
                 }
             });
@@ -297,29 +448,196 @@ public class StatsFragment extends Fragment implements TrackDataListener {
         return trackDataHub != null && trackDataHub.isSelectedTrackPaused();
     }
 
+    private void updateUI() {
+        updateStats();
+        setLocationValues();
+        updateSensorDataUI();
+    }
+
     /**
-     * Tries to fetch most recent {@link SensorDataSet} {@link RemoteSensorManager}.
+     * Tries to fetch most recent {@link SensorDataSet} {@link de.dennisguse.opentracks.services.sensors.BluetoothRemoteSensorManager}.
      */
     private void updateSensorDataUI() {
         ITrackRecordingService trackRecordingService = trackRecordingServiceConnection.getServiceIfBound();
+
+        SensorDataSet sensorDataSet = null;
         if (trackRecordingService == null) {
             Log.d(STATS_FRAGMENT_TAG, "Cannot get the track recording service.");
-            sensorDataSet = null;
         } else {
             //TODO sensorState = trackRecordingService.getSensorState();
             sensorDataSet = trackRecordingService.getSensorData();
         }
 
-        StatsUtils.setSensorData(getActivity(), sensorDataSet, isSelectedTrackRecording());
+        setHeartRateSensorData(sensorDataSet, isSelectedTrackRecording());
     }
 
-    /**
-     * Updates the UI.
-     */
-    private void updateUi(FragmentActivity activity) {
-        String trackIconValue = TrackIconUtils.getIconValue(activity, category);
-        StatsUtils.setTripStatisticsValues(activity, lastTripStatistics, trackIconValue);
-        StatsUtils.setLocationValues(activity, lastLocation, isSelectedTrackRecording());
-        updateSensorDataUI();
+    private void setHeartRateSensorData(SensorDataSet sensorDataSet, boolean isRecording) {
+        // heart rate
+        int isVisible = View.VISIBLE;
+        if (!isRecording || PreferencesUtils.isBluetoothHeartRateSensorAddressDefault(getContext())) {
+            isVisible = View.INVISIBLE;
+        }
+        sensorContainerView.setVisibility(isVisible);
+
+        if (isRecording) {
+            String heartRate = getContext().getString(R.string.value_unknown);
+            String sensorName = getContext().getString(R.string.value_unknown);
+            if (sensorDataSet != null && sensorDataSet.isRecent(BluetoothRemoteSensorManager.MAX_SENSOR_DATE_SET_AGE_MS)) {
+                sensorName = sensorDataSet.getSensorName();
+                if (sensorDataSet.hasHeartRate()) {
+                    heartRate = StringUtils.formatDecimal(sensorDataSet.getHeartRate(), 0);
+                }
+            }
+
+            heartRateSensorView.setText(sensorName);
+            heartRateValueView.setText(heartRate);
+        }
+    }
+
+    private void updateStats() {
+        String trackIconValue = TrackIconUtils.getIconValue(getContext(), category);
+
+        boolean metricUnits = PreferencesUtils.isMetricUnits(getContext());
+        boolean reportSpeed = PreferencesUtils.isReportSpeed(getContext());
+        boolean isRecording = isSelectedTrackRecording();
+
+        // Set total distance
+        {
+            double totalDistance = lastTripStatistics == null ? Double.NaN : lastTripStatistics.getTotalDistance();
+            Pair<String, String> parts = StringUtils.getDistanceParts(getContext(), totalDistance, metricUnits);
+
+            distanceValue.setText(parts.first);
+            distanceUnit.setText(parts.second);
+        }
+
+        // Set activity type
+        {
+            activityLabel.setVisibility(trackIconValue != null ? View.VISIBLE : View.GONE);
+
+            activitySpinner.setVisibility(trackIconValue != null ? View.VISIBLE : View.GONE);
+            activitySpinner.setEnabled(isRecording);
+            if (trackIconValue != null) {
+                TrackIconUtils.setIconSpinner(activitySpinner, trackIconValue);
+            }
+        }
+
+        // Set time
+        if (lastTripStatistics != null) {
+            movingTimeValue.setText(StringUtils.formatElapsedTime(lastTripStatistics.getMovingTime()));
+            updateTotalTime();
+        }
+
+        // Set average speed/pace
+        {
+            double speed = lastTripStatistics != null ? lastTripStatistics.getAverageSpeed() : Double.NaN;
+            speedAvgLabel.setText(reportSpeed ? R.string.stats_average_speed : R.string.stats_average_pace);
+
+            Pair<String, String> parts = StringUtils.getSpeedParts(getContext(), speed, metricUnits, reportSpeed);
+            speedAvgValue.setText(parts.first);
+            speedAvgUnit.setText(parts.second);
+        }
+
+        // Set max speed/pace
+        {
+            double speed = lastTripStatistics == null ? Double.NaN : lastTripStatistics.getMaxSpeed();
+
+            speedMaxLabel.setText(reportSpeed ? R.string.stats_max_speed : R.string.stats_fastest_pace);
+
+            Pair<String, String> parts = StringUtils.getSpeedParts(getContext(), speed, metricUnits, reportSpeed);
+            speedMaxValue.setText(parts.first);
+            speedMaxUnit.setText(parts.second);
+        }
+
+        // Set moving speed/pace
+        {
+            double speed = lastTripStatistics != null ? lastTripStatistics.getAverageMovingSpeed() : Double.NaN;
+
+            speedMovingLabel.setText(reportSpeed ? R.string.stats_average_moving_speed : R.string.stats_average_moving_pace);
+
+            Pair<String, String> parts = StringUtils.getSpeedParts(getContext(), speed, metricUnits, reportSpeed);
+            speedMovingValue.setText(parts.first);
+            speedMovingUnit.setText(parts.second);
+        }
+
+
+        // Set elevation
+        {
+            boolean showElevation = PreferencesUtils.isShowStatsGradeElevation(getContext());
+            gradeElevationSeparator.setVisibility(showElevation ? View.VISIBLE : View.GONE);
+
+            gradeElevationContainer.setVisibility(showElevation ? View.VISIBLE : View.GONE);
+
+            if (showElevation) {
+                {
+                    double elevation = lastTripStatistics == null ? Double.NaN : lastTripStatistics.getMinElevation();
+                    Pair<String, String> parts = StringUtils.formatElevation(getContext(), elevation, metricUnits);
+
+                    elevationMinValue.setText(parts.first);
+                    elevationMinUnit.setText(parts.second);
+                }
+
+                {
+                    double elevation = lastTripStatistics == null ? Double.NaN : lastTripStatistics.getMaxElevation();
+                    Pair<String, String> parts = StringUtils.formatElevation(getContext(), elevation, metricUnits);
+
+                    elevationMaxValue.setText(parts.first);
+                    elevationMaxUnit.setText(parts.second);
+                }
+            }
+        }
+    }
+
+    private void updateTotalTime() {
+        long totalTime;
+        if (isSelectedTrackRecording()) {
+            totalTime = System.currentTimeMillis() - lastTripStatistics.getStopTime() + lastTripStatistics.getTotalTime();
+        } else {
+            totalTime = lastTripStatistics.getTotalTime();
+        }
+        totalTimeValueView.setText(StringUtils.formatElapsedTime(totalTime));
+    }
+
+    private void setLocationValues() {
+        boolean metricUnits = PreferencesUtils.isMetricUnits(getContext());
+        boolean reportSpeed = PreferencesUtils.isReportSpeed(getContext());
+        boolean isRecording = isSelectedTrackRecording();
+
+        // Set speed/pace
+        speedContainer.setVisibility(isRecording ? View.VISIBLE : View.INVISIBLE);
+        if (isRecording) {
+            speedLabel.setText(reportSpeed ? R.string.stats_speed : R.string.stats_pace);
+
+            double speed = lastLocation != null && lastLocation.hasSpeed() ? lastLocation.getSpeed() : Double.NaN;
+            Pair<String, String> parts = StringUtils.getSpeedParts(getContext(), speed, metricUnits, reportSpeed);
+            speedValue.setText(parts.first);
+            speedUnit.setText(parts.second);
+        }
+
+        // Set elevation
+        boolean showGradeElevation = isRecording && PreferencesUtils.isShowStatsGradeElevation(getContext());
+        elevationContainer.setVisibility(showGradeElevation ? View.VISIBLE : View.GONE);
+
+        if (showGradeElevation) {
+            double altitude = lastLocation != null && lastLocation.hasAltitude() ? lastLocation.getAltitude() : Double.NaN;
+            Pair<String, String> parts = StringUtils.formatElevation(getContext(), altitude, metricUnits);
+
+            elevationValue.setText(parts.first);
+            elevationUnit.setText(parts.second);
+        }
+
+        // Set coordinate
+        boolean showCoordinate = isRecording && PreferencesUtils.isStatsShowCoordinate(getContext());
+
+        coordinateSeparator.setVisibility(showCoordinate ? View.VISIBLE : View.GONE);
+        coordinateContainer.setVisibility(showCoordinate ? View.VISIBLE : View.GONE);
+        if (showCoordinate) {
+            double latitude = lastLocation != null ? lastLocation.getLatitude() : Double.NaN;
+            String latitudeText = Double.isNaN(latitude) || Double.isInfinite(latitude) ? getContext().getString(R.string.value_unknown) : StringUtils.formatCoordinate(latitude);
+            latitudeValue.setText(latitudeText);
+
+            double longitude = lastLocation != null ? lastLocation.getLongitude() : Double.NaN;
+            String longitudeText = Double.isNaN(longitude) || Double.isInfinite(longitude) ? getContext().getString(R.string.value_unknown) : StringUtils.formatCoordinate(longitude);
+            longitudeValue.setText(longitudeText);
+        }
     }
 }

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

@@ -146,7 +146,7 @@ public enum TrackFileFormat {
         }
 
         public TrackExporter newTrackExporter(Context context, Track[] tracks, TrackExporterListener trackExporterListener) {
-            return newKmzTrackExporter(context, this.newTrackWriter(context, tracks.length > 1), tracks, trackExporterListener, exportPhotos);
+            return newKmzTrackExporter(context, newTrackWriter(context, tracks.length > 1), tracks, trackExporterListener, exportPhotos);
         }
 
         public String getExtension() {
@@ -173,10 +173,12 @@ public enum TrackFileFormat {
 
     private static final String MIME_KML = "application/vnd.google-earth.kml+xml";
 
-    public TrackExporter newTrackExporter(Context context, Track[] tracks, TrackExporterListener trackExporterListener) {
-        ContentProviderUtils contentProviderUtils = ContentProviderUtils.Factory.get(context);
-        TrackWriter trackWriter = this.newTrackWriter(context, tracks.length > 1);
-        return new FileTrackExporter(contentProviderUtils, trackWriter, tracks, trackExporterListener);
+    private static TrackExporter newKmzTrackExporter(Context context, TrackWriter trackWriter, Track[] tracks, TrackExporterListener trackExporterListener, boolean exportPhotos) {
+        ContentProviderUtils contentProviderUtils = new ContentProviderUtils(context);
+
+        FileTrackExporter fileTrackExporter = new FileTrackExporter(contentProviderUtils, trackWriter, tracks, trackExporterListener);
+
+        return new KmzTrackExporter(contentProviderUtils, fileTrackExporter, tracks, exportPhotos);
     }
 
     /**
@@ -184,12 +186,10 @@ public enum TrackFileFormat {
      */
     public abstract String getMimeType();
 
-    private static TrackExporter newKmzTrackExporter(Context context, TrackWriter trackWriter, Track[] tracks, TrackExporterListener trackExporterListener, boolean exportPhotos) {
-        ContentProviderUtils contentProviderUtils = ContentProviderUtils.Factory.get(context);
-
-        FileTrackExporter fileTrackExporter = new FileTrackExporter(contentProviderUtils, trackWriter, tracks, trackExporterListener);
-
-        return new KmzTrackExporter(contentProviderUtils, fileTrackExporter, tracks, exportPhotos);
+    public TrackExporter newTrackExporter(Context context, Track[] tracks, TrackExporterListener trackExporterListener) {
+        ContentProviderUtils contentProviderUtils = new ContentProviderUtils(context);
+        TrackWriter trackWriter = newTrackWriter(context, tracks.length > 1);
+        return new FileTrackExporter(contentProviderUtils, trackWriter, tracks, trackExporterListener);
     }
 
     /**

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

@@ -103,16 +103,8 @@ public class ExportActivity extends FragmentActivity implements FileTypeDialogFr
         }
 
         directoryDisplayName = FileUtils.getPathDisplayName(trackFileFormat.getExtension());
-
-        //TODO (still needed?): getLastNonConfiguration instance returned ExportAsyncTask before
-//        Object retained = getLastNonConfigurationInstance();
-//        if (retained instanceof ExportAsyncTask) {
-//            exportAsyncTask = (ExportAsyncTask) retained;
-//            exportAsyncTask.setActivity(this);
-//        } else {
         exportAsyncTask = new ExportAsyncTask(this, trackFileFormat, directory);
         exportAsyncTask.execute();
-//        }
     }
 
     @Override

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

@@ -27,7 +27,6 @@ import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.IOException;
 
-import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.content.ContentProviderUtils;
 import de.dennisguse.opentracks.content.Track;
 import de.dennisguse.opentracks.content.TracksColumns;
@@ -69,7 +68,7 @@ public class ExportAsyncTask extends AsyncTask<Void, Integer, Boolean> {
         this.trackFileFormat = trackFileFormat;
         this.directory = directory;
         context = exportActivity.getApplicationContext();
-        contentProviderUtils = ContentProviderUtils.Factory.get(context);
+        contentProviderUtils = new ContentProviderUtils(context);
 
         completed = false;
         processedTrackCount = 0;
@@ -100,7 +99,7 @@ public class ExportAsyncTask extends AsyncTask<Void, Integer, Boolean> {
         try {
             Thread.currentThread().setPriority(Thread.MAX_PRIORITY);
             boolean isRecording = PreferencesUtils.isRecording(exportActivity);
-            boolean isPaused = PreferencesUtils.getBoolean(exportActivity, R.string.recording_track_paused_key, PreferencesUtils.RECORDING_TRACK_PAUSED_DEFAULT);
+            boolean isPaused = PreferencesUtils.isRecordingTrackPaused(exportActivity);
             // Get the wake lock if not recording or paused
             if (!isRecording || isPaused) {
                 wakeLock = SystemUtils.acquireWakeLock(exportActivity, wakeLock);

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

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

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

@@ -49,9 +49,10 @@ public class KmlTrackWriter implements TrackWriter {
     private static final String END_STYLE = "end";
     private static final String TRACK_STYLE = "track";
     private static final String SCHEMA_ID = "schema";
-    private static final String CADENCE = "cadence";
-    private static final String HEART_RATE = "heart_rate";
-    private static final String POWER = "power";
+
+    private static final String SENSOR_TYPE_CADENCE = "cadence";
+    private static final String SENSOR_TYPE_HEART_RATE = "heart_rate";
+    private static final String SENSOR_TYPE_POWER = "power";
 
     private static final String WAYPOINT_ICON = "http://maps.google.com/mapfiles/kml/pushpin/blue-pushpin.png";
     private static final String STATISTICS_ICON = "http://maps.google.com/mapfiles/kml/pushpin/ylw-pushpin.png";
@@ -71,9 +72,6 @@ public class KmlTrackWriter implements TrackWriter {
     private List<Float> powerList = new ArrayList<>();
     private List<Float> cadenceList = new ArrayList<>();
     private List<Float> heartRateList = new ArrayList<>();
-    private boolean hasPower;
-    private boolean hasCadence;
-    private boolean hasHeartRate;
 
     private Location startLocation;
 
@@ -91,7 +89,7 @@ public class KmlTrackWriter implements TrackWriter {
         this.exportSensorData = exportSensorData;
         this.exportPhotos = exportPhotos;
         this.descriptionGenerator = new DescriptionGeneratorImpl(context);
-        this.contentProviderUtils = ContentProviderUtils.Factory.get(context);
+        this.contentProviderUtils = new ContentProviderUtils(context);
     }
 
     @Override
@@ -132,9 +130,9 @@ public class KmlTrackWriter implements TrackWriter {
             printWriter.println("<Schema id=\"" + SCHEMA_ID + "\">");
 
             if (exportSensorData) {
-                writeSensorStyle(POWER, context.getString(R.string.description_sensor_power));
-                writeSensorStyle(CADENCE, context.getString(R.string.description_sensor_cadence));
-                writeSensorStyle(HEART_RATE, context.getString(R.string.description_sensor_heart_rate));
+                writeSensorStyle(SENSOR_TYPE_POWER, context.getString(R.string.description_sensor_power));
+                writeSensorStyle(SENSOR_TYPE_CADENCE, context.getString(R.string.description_sensor_cadence));
+                writeSensorStyle(SENSOR_TYPE_HEART_RATE, context.getString(R.string.description_sensor_heart_rate));
             }
             printWriter.println("</Schema>");
         }
@@ -235,9 +233,6 @@ public class KmlTrackWriter implements TrackWriter {
     public void writeOpenSegment() {
         if (printWriter != null) {
             printWriter.println("<gx:Track>");
-            hasPower = false;
-            hasCadence = false;
-            hasHeartRate = false;
             powerList.clear();
             cadenceList.clear();
             heartRateList.clear();
@@ -250,14 +245,14 @@ public class KmlTrackWriter implements TrackWriter {
             printWriter.println("<ExtendedData>");
             printWriter.println("<SchemaData schemaUrl=\"#" + SCHEMA_ID + "\">");
             if (exportSensorData) {
-                if (hasPower) {
-                    writeSensorData(powerList, POWER);
+                if (powerList.size() > 0) {
+                    writeSensorData(powerList, SENSOR_TYPE_POWER);
                 }
-                if (hasCadence) {
-                    writeSensorData(cadenceList, CADENCE);
+                if (cadenceList.size() > 0) {
+                    writeSensorData(cadenceList, SENSOR_TYPE_CADENCE);
                 }
-                if (hasHeartRate) {
-                    writeSensorData(heartRateList, HEART_RATE);
+                if (heartRateList.size() > 0) {
+                    writeSensorData(heartRateList, SENSOR_TYPE_HEART_RATE);
                 }
             }
             printWriter.println("</SchemaData>");
@@ -466,11 +461,11 @@ public class KmlTrackWriter implements TrackWriter {
      * Writes a sensor style.
      *
      * @param name        the name of the sesnor
-     * @param displayName the sensor display name
+     * @param sensorType the sensor display name
      */
-    private void writeSensorStyle(String name, String displayName) {
-        printWriter.println("<gx:SimpleArrayField name=\"" + name + "\" type=\"int\">");
-        printWriter.println("<displayName>" + StringUtils.formatCData(displayName) + "</displayName>");
+    private void writeSensorStyle(String name, String sensorType) {
+        printWriter.println("<gx:SimpleArrayField name=\"" + name + "\" type=\"float\">");
+        printWriter.println("<displayName>" + StringUtils.formatCData(sensorType) + "</displayName>");
         printWriter.println("</gx:SimpleArrayField>");
     }
 }

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

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

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

@@ -39,8 +39,9 @@ import javax.xml.parsers.SAXParserFactory;
 
 import de.dennisguse.opentracks.R;
 import de.dennisguse.opentracks.content.ContentProviderUtils;
-import de.dennisguse.opentracks.content.ContentProviderUtils.LocationIterator;
 import de.dennisguse.opentracks.content.DescriptionGeneratorImpl;
+import de.dennisguse.opentracks.content.LocationFactory;
+import de.dennisguse.opentracks.content.LocationIterator;
 import de.dennisguse.opentracks.content.Track;
 import de.dennisguse.opentracks.content.Waypoint;
 import de.dennisguse.opentracks.content.Waypoint.WaypointType;
@@ -102,7 +103,7 @@ abstract class AbstractFileTrackImporter extends DefaultHandler implements Track
         this.context = context;
         this.importTrackId = importTrackId;
         this.contentProviderUtils = contentProviderUtils;
-        this.recordingDistanceInterval = PreferencesUtils.getInt(context, R.string.recording_distance_interval_key, PreferencesUtils.RECORDING_DISTANCE_INTERVAL_DEFAULT);
+        this.recordingDistanceInterval = PreferencesUtils.getRecordingDistanceInterval(context);
         trackIds = new ArrayList<>();
         waypoints = new ArrayList<>();
     }
@@ -165,7 +166,7 @@ abstract class AbstractFileTrackImporter extends DefaultHandler implements Track
         TripStatisticsUpdater trackTripStatisticstrackUpdater = new TripStatisticsUpdater(track.getTripStatistics().getStartTime());
         TripStatisticsUpdater markerTripStatisticsUpdater = new TripStatisticsUpdater(track.getTripStatistics().getStartTime());
 
-        try (LocationIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(track.getId(), -1L, false, ContentProviderUtils.DEFAULT_LOCATION_FACTORY)) {
+        try (LocationIterator locationIterator = contentProviderUtils.getTrackPointLocationIterator(track.getId(), -1L, false, LocationFactory.DEFAULT_LOCATION_FACTORY)) {
 
             while (true) {
                 if (waypoint == null) {
@@ -384,8 +385,7 @@ abstract class AbstractFileTrackImporter extends DefaultHandler implements Track
      * @param message the message
      */
     protected String createErrorMessage(String message) {
-        return String.format(Locale.US, "Parsing error at line: %d column: %d. %s",
-                locator.getLineNumber(), locator.getColumnNumber(), message);
+        return String.format(Locale.US, "Parsing error at line: %d column: %d. %s", locator.getLineNumber(), locator.getColumnNumber(), message);
     }
 
     /**

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

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