#3 Export to GPX file

app/build.gradle

@@ -52,23 +52,33 @@ android {
 }
 
 dependencies {
-    def room_version = "2.2.0-alpha02"
-
     implementation fileTree(dir: 'libs', include: ['*.jar'])
+
+    // Android
     implementation 'com.android.support.constraint:constraint-layout:1.1.3'
-    implementation "androidx.room:room-runtime:$room_version"
+    implementation 'androidx.recyclerview:recyclerview:1.0.0'
+    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
+
+    // Maps provider
     implementation 'org.mapsforge:mapsforge-core:0.11.0'
     implementation 'org.mapsforge:mapsforge-map:0.11.0'
     implementation 'org.mapsforge:mapsforge-map-reader:0.11.0'
     implementation 'org.mapsforge:mapsforge-themes:0.11.0'
     implementation 'org.mapsforge:mapsforge-map-android:0.11.0'
     implementation 'com.caverock:androidsvg:1.3'
+
     implementation 'net.sf.kxml:kxml2:2.3.0'
     implementation 'com.github.PhilJay:MPAndroidChart:v3.1.0'
     implementation 'com.github.clans:fab:1.6.4'
+
+    implementation 'stax:stax-api:1.0.1'
+    implementation 'com.fasterxml.jackson.dataformat:jackson-dataformat-xml:2.9.8'
+
+    // Android Room
+    def room_version = "2.2.0-alpha02"
     annotationProcessor "androidx.room:room-compiler:$room_version"
-    implementation 'androidx.recyclerview:recyclerview:1.0.0'
+    implementation "androidx.room:room-runtime:$room_version"
+
     testImplementation 'junit:junit:4.12'
     androidTestImplementation 'com.android.support.test.espresso:espresso-core:3.0.2'
-    implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
 }

app/src/main/AndroidManifest.xml

@@ -50,6 +50,15 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <provider
+            android:name="androidx.core.content.FileProvider"
+            android:authorities="de.tadris.fitness.fileprovider"
+            android:grantUriPermissions="true"
+            android:exported="false">
+            <meta-data
+                android:name="android.support.FILE_PROVIDER_PATHS"
+                android:resource="@xml/filepaths" />
+        </provider>
         <service android:name=".location.LocationListener"></service>
     </application>
 

app/src/main/java/de/tadris/fitness/activity/ListWorkoutsActivity.java

@@ -33,7 +33,7 @@ import com.github.clans.fab.FloatingActionMenu;
 
 import de.tadris.fitness.Instance;
 import de.tadris.fitness.R;
-import de.tadris.fitness.WorkoutAdapter;
+import de.tadris.fitness.view.WorkoutAdapter;
 import de.tadris.fitness.data.Workout;
 
 public class ListWorkoutsActivity extends Activity implements WorkoutAdapter.WorkoutAdapterListener {

app/src/main/java/de/tadris/fitness/activity/ShowWorkoutActivity.java

@@ -19,12 +19,18 @@
 
 package de.tadris.fitness.activity;
 
+import android.Manifest;
 import android.app.AlertDialog;
+import android.content.Intent;
+import android.content.pm.PackageManager;
 import android.content.res.Resources;
 import android.graphics.Color;
 import android.graphics.Typeface;
+import android.net.Uri;
 import android.os.Bundle;
+import android.os.Environment;
 import android.os.Handler;
+import android.util.Log;
 import android.util.TypedValue;
 import android.view.Menu;
 import android.view.MenuItem;
@@ -33,6 +39,9 @@ import android.view.ViewGroup;
 import android.widget.EditText;
 import android.widget.TextView;
 
+import androidx.core.app.ActivityCompat;
+import androidx.core.content.FileProvider;
+
 import com.github.mikephil.charting.charts.LineChart;
 import com.github.mikephil.charting.components.Description;
 import com.github.mikephil.charting.data.Entry;
@@ -50,6 +59,9 @@ import org.mapsforge.map.android.view.MapView;
 import org.mapsforge.map.layer.download.TileDownloadLayer;
 import org.mapsforge.map.layer.overlay.FixedPixelCircle;
 
+import java.io.BufferedInputStream;
+import java.io.File;
+import java.io.FileNotFoundException;
 import java.text.SimpleDateFormat;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -63,9 +75,11 @@ import de.tadris.fitness.data.WorkoutManager;
 import de.tadris.fitness.data.WorkoutSample;
 import de.tadris.fitness.map.MapManager;
 import de.tadris.fitness.map.WorkoutLayer;
+import de.tadris.fitness.util.gpx.GpxExporter;
 import de.tadris.fitness.util.ThemeManager;
 import de.tadris.fitness.util.UnitUtils;
 import de.tadris.fitness.util.WorkoutTypeCalculator;
+import de.tadris.fitness.view.ProgressDialogController;
 
 public class ShowWorkoutActivity extends FitoTrackActivity {
     static Workout selectedWorkout;
@@ -77,6 +91,7 @@ public class ShowWorkoutActivity extends FitoTrackActivity {
     MapView map;
     TileDownloadLayer downloadLayer;
     FixedPixelCircle highlightingCircle;
+    Handler mHandler= new Handler();
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -258,7 +273,7 @@ public class ShowWorkoutActivity extends FitoTrackActivity {
         map.addLayer(workoutLayer);
 
         final BoundingBox bounds= new BoundingBox(workoutLayer.getLatLongs()).extendMeters(50);
-        new Handler().postDelayed(() -> {
+        mHandler.postDelayed(() -> {
             map.getModel().mapViewPosition.setMapPosition(new MapPosition(bounds.getCenterPoint(),
                     (byte)(LatLongUtils.zoomForBounds(map.getDimension(), bounds, map.getModel().displayModel.getTileSize()))));
             map.animate().alpha(1f).setDuration(1000).start();
@@ -317,15 +332,74 @@ public class ShowWorkoutActivity extends FitoTrackActivity {
                 .create().show();
     }
 
+    private void exportToGpx(){
+        ProgressDialogController dialogController= new ProgressDialogController(this, getString(R.string.exporting));
+        dialogController.setIndeterminate(true);
+        dialogController.show();
+        new Thread(() -> {
+            try{
+                String file= getFilesDir().getAbsolutePath() + "/shared/workout.gpx";
+                new File(file).getParentFile().mkdirs();
+                Uri uri= FileProvider.getUriForFile(getBaseContext(), "de.tadris.fitness.fileprovider", new File(file));
+
+                GpxExporter.exportWorkout(getBaseContext(), workout, new File(file));
+                dialogController.cancel();
+                mHandler.post(() -> shareFile(uri));
+            }catch (Exception e){
+                mHandler.post(() -> showErrorDialog(e));
+            }
+        }).start();
+    }
+
+    private void shareFile(Uri uri){
+        Intent intentShareFile = new Intent(Intent.ACTION_SEND);
+        intentShareFile.setDataAndType(uri, getContentResolver().getType(uri));
+        intentShareFile.putExtra(Intent.EXTRA_STREAM, uri);
+        intentShareFile.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+
+        startActivity(Intent.createChooser(intentShareFile, getString(R.string.shareFile)));
+
+        Log.d("Export", uri.toString());
+        Log.d("Export", getContentResolver().getType(uri));
+        try {
+            Log.d("Export", new BufferedInputStream(getContentResolver().openInputStream(uri)).toString());
+        } catch (FileNotFoundException e) {
+
+        }
+    }
+
+    /*void requestPermissions(){
+        if (!hasPermission()) {
+            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, 10);
+        }
+    }
+
+    public boolean hasPermission(){
+        return ActivityCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED;
+    }*/
+
+
+    private void showErrorDialog(Exception e){
+        new AlertDialog.Builder(this)
+                .setTitle(R.string.error)
+                .setMessage(getString(R.string.errorGpxExportFailed) + "\n\n" + e.getMessage())
+                .setPositiveButton(R.string.okay, null)
+                .create().show();
+    }
+
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         int id = item.getItemId();
-        if(id == R.id.actionDeleteWorkout){
-            showDeleteDialog();
-            return true;
-        }else if(id == android.R.id.home){
-            finish();
-            return true;
+        switch(id){
+            case R.id.actionDeleteWorkout:
+                showDeleteDialog();
+                return true;
+            case R.id.actionExportGpx:
+                exportToGpx();
+                return true;
+            case android.R.id.home:
+                finish();
+                return true;
         }
         return super.onOptionsItemSelected(item);
     }

app/src/main/java/de/tadris/fitness/data/Workout.java

@@ -22,6 +22,9 @@ package de.tadris.fitness.data;
 import androidx.room.Entity;
 import androidx.room.PrimaryKey;
 
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
 @Entity(tableName = "workout")
 public class Workout{
 
@@ -65,5 +68,13 @@ public class Workout{
 
     public int calorie;
 
+    public String toString(){
+        if(comment.length() > 2){
+            return comment;
+        }else{
+            return SimpleDateFormat.getDateTimeInstance().format(new Date(start));
+        }
+    }
+
 
 }

app/src/main/java/de/tadris/fitness/util/GpxExporter.java

@@ -1,56 +0,0 @@
-/*
- * Copyright (c) 2019 Jannis Scheibe <jannis@tadris.de>
- *
- * This file is part of FitoTrack
- *
- * FitoTrack is free software: you can redistribute it and/or modify
- *     it under the terms of the GNU General Public License as published by
- *     the Free Software Foundation, either version 3 of the License, or
- *     (at your option) any later version.
- *
- *     FitoTrack is distributed in the hope that it will be useful,
- *     but WITHOUT ANY WARRANTY; without even the implied warranty of
- *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *     GNU General Public License for more details.
- *
- *     You should have received a copy of the GNU General Public License
- *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-package de.tadris.fitness.util;
-
-import android.content.Context;
-
-import de.tadris.fitness.Instance;
-import de.tadris.fitness.data.Workout;
-import de.tadris.fitness.data.WorkoutSample;
-import io.jenetics.jpx.GPX;
-import io.jenetics.jpx.Track;
-import io.jenetics.jpx.TrackSegment;
-
-public class GpxExporter {
-
-    public static void exportWorkout(Context context, Workout workout){
-        GPX.Builder builder= GPX.builder();
-
-        builder.addTrack(toTrack(context, workout));
-
-    }
-
-    public static Track toTrack(Context context, Workout workout){
-        Track.Builder track= Track.builder();
-        TrackSegment.Builder segment= TrackSegment.builder();
-
-        WorkoutSample[] samples= Instance.getInstance(context).db.workoutDao().getAllSamplesOfWorkout(workout.id);
-        for(WorkoutSample sample : samples){
-            segment.addPoint(p -> p.lat(sample.lat).lon(sample.lon).ele(sample.elevation).speed(sample.speed).time(sample.absoluteTime));
-        }
-
-        track.addSegment(segment.build());
-        track.src("FitoTrack");
-        track.type(workout.workoutType);
-
-        return track.build();
-    }
-
-}

app/src/main/java/de/tadris/fitness/util/gpx/Gpx.java

@@ -0,0 +1,60 @@
+package de.tadris.fitness.util.gpx;
+
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlElementWrapper;
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlRootElement;
+
+import java.util.List;
+
+@JacksonXmlRootElement(localName = "gpx")
+public class Gpx {
+
+    @JacksonXmlProperty(isAttribute = true)
+    String version;
+
+    @JacksonXmlProperty(isAttribute = true)
+    String creator;
+
+    Metadata metadata;
+
+    String name;
+    String desc;
+
+    @JacksonXmlElementWrapper(useWrapping = false)
+    List<Track> trk;
+
+    public Gpx(){}
+
+    public Gpx(String version, String creator, Metadata metadata, String name, String desc, List<Track> trk) {
+        this.version = version;
+        this.creator = creator;
+        this.metadata = metadata;
+        this.name = name;
+        this.desc = desc;
+        this.trk = trk;
+    }
+
+    public String getVersion() {
+        return version;
+    }
+
+    public String getCreator() {
+        return creator;
+    }
+
+    public Metadata getMetadata() {
+        return metadata;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getDesc() {
+        return desc;
+    }
+
+    public List<Track> getTrk() {
+        return trk;
+    }
+}

app/src/main/java/de/tadris/fitness/util/gpx/GpxExporter.java

@@ -0,0 +1,93 @@
+/*
+ * Copyright (c) 2019 Jannis Scheibe <jannis@tadris.de>
+ *
+ * This file is part of FitoTrack
+ *
+ * FitoTrack is free software: you can redistribute it and/or modify
+ *     it under the terms of the GNU General Public License as published by
+ *     the Free Software Foundation, either version 3 of the License, or
+ *     (at your option) any later version.
+ *
+ *     FitoTrack is distributed in the hope that it will be useful,
+ *     but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *     GNU General Public License for more details.
+ *
+ *     You should have received a copy of the GNU General Public License
+ *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package de.tadris.fitness.util.gpx;
+
+import android.content.Context;
+
+import com.fasterxml.jackson.dataformat.xml.XmlMapper;
+
+import java.io.File;
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+
+import de.tadris.fitness.Instance;
+import de.tadris.fitness.data.Workout;
+import de.tadris.fitness.data.WorkoutSample;
+
+public class GpxExporter {
+
+    public static void exportWorkout(Context context, Workout workout, File file) throws IOException {
+        XmlMapper mapper= new XmlMapper();
+        mapper.writeValue(file, getGpxFromWorkout(context, workout));
+    }
+
+    public static Gpx getGpxFromWorkout(Context context, Workout workout){
+        Gpx gpx= new Gpx();
+        gpx.name= workout.toString();
+        gpx.version= "1.1";
+        gpx.creator= "FitoTrack";
+        gpx.metadata= new Metadata(workout.toString(), workout.comment, getDateTime(workout.start));
+        gpx.trk= new ArrayList<>();
+        gpx.trk.add(getTrackFromWorkout(context, workout, 0));
+
+        return gpx;
+    }
+
+    public static Track getTrackFromWorkout(Context context, Workout workout, int number){
+        WorkoutSample[] samples= Instance.getInstance(context).db.workoutDao().getAllSamplesOfWorkout(workout.id);
+        Track track= new Track();
+        track.number= number;
+        track.name= workout.toString();
+        track.cmt= workout.comment;
+        track.desc= workout.comment;
+        track.src= "FitoTrack";
+        track.type= workout.workoutType;
+        track.trkseg= new ArrayList<>();
+
+        TrackSegment segment= new TrackSegment();
+        segment.trkpt= new ArrayList<>();
+
+        for(WorkoutSample sample : samples){
+            segment.trkpt.add(new TrackPoint(sample.lat, sample.lon, sample.elevation,
+                    getDateTime(sample.absoluteTime), "gps",
+                    new TrackPointExtension(sample.speed)));
+        }
+
+        track.trkseg.add(segment);
+
+        return track;
+    }
+
+    private static final SimpleDateFormat formatter= new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSXXX");
+
+    public static String getDateTime(long time){
+        return getDateTime(new Date(time));
+    }
+
+    public static String getDateTime(Date date){
+        return formatter.format(date);
+    }
+
+
+
+
+}

app/src/main/java/de/tadris/fitness/util/gpx/Metadata.java

@@ -0,0 +1,41 @@
+package de.tadris.fitness.util.gpx;
+
+public class Metadata {
+
+    String name;
+    String desc;
+    String time;
+
+    public Metadata() {
+    }
+
+    public Metadata(String name, String desc, String time) {
+        this.name = name;
+        this.desc = desc;
+        this.time = time;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getDesc() {
+        return desc;
+    }
+
+    public void setDesc(String desc) {
+        this.desc = desc;
+    }
+
+    public String getTime() {
+        return time;
+    }
+
+    public void setTime(String time) {
+        this.time = time;
+    }
+}

app/src/main/java/de/tadris/fitness/util/gpx/Track.java

@@ -0,0 +1,86 @@
+package de.tadris.fitness.util.gpx;
+
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlElementWrapper;
+
+import java.util.List;
+
+public class Track {
+
+    String name;
+    String cmt;
+    String desc;
+    String src;
+    int number;
+    String type;
+
+    @JacksonXmlElementWrapper(useWrapping = false)
+    List<TrackSegment> trkseg;
+
+    public Track(){}
+
+    public Track(String name, String cmt, String desc, String src, int number, String type, List<TrackSegment> trkseg) {
+        this.name = name;
+        this.cmt = cmt;
+        this.desc = desc;
+        this.src = src;
+        this.number = number;
+        this.type = type;
+        this.trkseg = trkseg;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getCmt() {
+        return cmt;
+    }
+
+    public void setCmt(String cmt) {
+        this.cmt = cmt;
+    }
+
+    public String getDesc() {
+        return desc;
+    }
+
+    public void setDesc(String desc) {
+        this.desc = desc;
+    }
+
+    public String getSrc() {
+        return src;
+    }
+
+    public void setSrc(String src) {
+        this.src = src;
+    }
+
+    public int getNumber() {
+        return number;
+    }
+
+    public void setNumber(int number) {
+        this.number = number;
+    }
+
+    public String getType() {
+        return type;
+    }
+
+    public void setType(String type) {
+        this.type = type;
+    }
+
+    public List<TrackSegment> getTrkseg() {
+        return trkseg;
+    }
+
+    public void setTrkseg(List<TrackSegment> trkseg) {
+        this.trkseg = trkseg;
+    }
+}

app/src/main/java/de/tadris/fitness/util/gpx/TrackPoint.java

@@ -0,0 +1,79 @@
+package de.tadris.fitness.util.gpx;
+
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlProperty;
+
+public class TrackPoint {
+
+    @JacksonXmlProperty(isAttribute = true)
+    double lat;
+
+    @JacksonXmlProperty(isAttribute = true)
+    double lon;
+
+    double ele;
+
+    String time;
+
+    String fix;
+
+    TrackPointExtension extensions;
+
+    public TrackPoint(){}
+
+    public TrackPoint(double lat, double lon, double ele, String time, String fix, TrackPointExtension extensions) {
+        this.lat = lat;
+        this.lon = lon;
+        this.ele = ele;
+        this.time = time;
+        this.fix = fix;
+        this.extensions = extensions;
+    }
+
+    public double getLat() {
+        return lat;
+    }
+
+    public void setLat(double lat) {
+        this.lat = lat;
+    }
+
+    public double getLon() {
+        return lon;
+    }
+
+    public void setLon(double lon) {
+        this.lon = lon;
+    }
+
+    public double getEle() {
+        return ele;
+    }
+
+    public void setEle(double ele) {
+        this.ele = ele;
+    }
+
+    public String getTime() {
+        return time;
+    }
+
+    public void setTime(String time) {
+        this.time = time;
+    }
+
+    public String getFix() {
+        return fix;
+    }
+
+    public void setFix(String fix) {
+        this.fix = fix;
+    }
+
+    public TrackPointExtension getExtensions() {
+        return extensions;
+    }
+
+    public void setExtensions(TrackPointExtension extensions) {
+        this.extensions = extensions;
+    }
+}

app/src/main/java/de/tadris/fitness/util/gpx/TrackPointExtension.java

@@ -0,0 +1,20 @@
+package de.tadris.fitness.util.gpx;
+
+public class TrackPointExtension {
+
+    double speed;
+
+    public TrackPointExtension(){}
+
+    public TrackPointExtension(double speed) {
+        this.speed = speed;
+    }
+
+    public double getSpeed() {
+        return speed;
+    }
+
+    public void setSpeed(double speed) {
+        this.speed = speed;
+    }
+}

app/src/main/java/de/tadris/fitness/util/gpx/TrackSegment.java

@@ -0,0 +1,27 @@
+package de.tadris.fitness.util.gpx;
+
+import com.fasterxml.jackson.dataformat.xml.annotation.JacksonXmlElementWrapper;
+
+import java.util.List;
+
+public class TrackSegment {
+
+    @JacksonXmlElementWrapper(useWrapping = false)
+    List<TrackPoint> trkpt;
+
+    public TrackSegment(){
+
+    }
+
+    public TrackSegment(List<TrackPoint> trkpt) {
+        this.trkpt = trkpt;
+    }
+
+    public List<TrackPoint> getTrkpt() {
+        return trkpt;
+    }
+
+    public void setTrkpt(List<TrackPoint> trkpt) {
+        this.trkpt = trkpt;
+    }
+}

app/src/main/java/de/tadris/fitness/view/ProgressDialogController.java

@@ -0,0 +1,58 @@
+package de.tadris.fitness.view;
+
+import android.app.Activity;
+import android.app.Dialog;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+
+import de.tadris.fitness.R;
+
+public class ProgressDialogController {
+
+    private Activity context;
+    private Dialog dialog;
+    private TextView infoView;
+    private ProgressBar progressBar;
+
+    public ProgressDialogController(Activity context, String title) {
+        this(context);
+        setTitle(title);
+    }
+
+    public ProgressDialogController(Activity context) {
+        this.context = context;
+        this.dialog= new Dialog(context);
+        initDialog();
+    }
+
+    private void initDialog(){
+        dialog.setContentView(R.layout.dialog_progress);
+        infoView= dialog.findViewById(R.id.dialogProgressInfo);
+        progressBar= dialog.findViewById(R.id.dialogProgressBar);
+    }
+
+    public void setTitle(String title){
+        dialog.setTitle(title);
+    }
+
+    public void setIndeterminate(boolean indeterminate){
+        progressBar.setIndeterminate(indeterminate);
+    }
+
+    public void setProgress(int progress){
+        progressBar.setProgress(progress);
+    }
+
+    public void setProgress(int progress, String info){
+        setProgress(progress);
+        infoView.setText(info);
+    }
+
+    public void show(){
+        dialog.show();
+    }
+
+    public void cancel(){
+        dialog.dismiss();
+    }
+}

app/src/main/java/de/tadris/fitness/view/WorkoutAdapter.java

@@ -17,7 +17,7 @@
  *     along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
-package de.tadris.fitness;
+package de.tadris.fitness.view;
 
 import android.view.LayoutInflater;
 import android.view.View;
@@ -27,6 +27,7 @@ import android.widget.TextView;
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.RecyclerView;
 
+import de.tadris.fitness.R;
 import de.tadris.fitness.data.Workout;
 import de.tadris.fitness.util.UnitUtils;
 

app/src/main/res/layout/dialog_progress.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <ProgressBar
+        android:id="@+id/dialogProgressBar"
+        style="?android:attr/progressBarStyleHorizontal"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
+    <TextView
+        android:id="@+id/dialogProgressInfo"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:textAlignment="center" />
+</LinearLayout>

app/src/main/res/menu/show_workout_menu.xml

@@ -20,8 +20,10 @@
 
 <menu xmlns:android="http://schemas.android.com/apk/res/android">
 
+    <item
+        android:id="@+id/actionExportGpx"
+        android:title="@string/exportAsGpxFile" />
     <item
         android:id="@+id/actionDeleteWorkout"
-        android:showAsAction="ifRoom"
         android:title="@string/delete" />
 </menu>

app/src/main/res/values/strings.xml

@@ -22,6 +22,11 @@
     <string name="workout_add">Add</string>
     <string name="stop">Stop</string>
     <string name="delete">Delete</string>
+    <string name="exporting">Exporting</string>
+
+    <string name="error">Error</string>
+    <string name="errorGpxExportFailed">The GPX export has been failed.</string>
+    <string name="shareFile">Share file</string>
 
     <string name="workoutTime">Time</string>
     <string name="workoutDate">Date</string>
@@ -68,4 +73,5 @@
     <string name="trackingInfoDescription">Info about the tracker running</string>
 
     <string name="cancel">Cancel</string>
+    <string name="exportAsGpxFile">Export as GPX-File</string>
 </resources>

app/src/main/res/xml/filepaths.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<paths>
+    <files-path path="shared/" name="share" />
+</paths>