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d7526f93b8d0c0231ab4d6de784a115e427b00a0
OpenTracks/src/main/java/de/dennisguse/opentracks/content/ContentProviderUtils.java
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Dennis Guse d7526f93b8 Cleanup: removed ContentProviderUtils interface.
2019-11-25 23:02:48 +01:00

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/*
* Copyright 2008 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package de.dennisguse.opentracks.content;
import android.content.ContentResolver;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.location.Location;
import android.net.Uri;
import android.util.Log;
import androidx.annotation.VisibleForTesting;
import java.io.File;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.NoSuchElementException;
import de.dennisguse.opentracks.BuildConfig;
import de.dennisguse.opentracks.android.ContentResolverWrapper;
import de.dennisguse.opentracks.android.IContentResolver;
import de.dennisguse.opentracks.content.Waypoint.WaypointType;
import de.dennisguse.opentracks.content.sensor.SensorDataSet;
import de.dennisguse.opentracks.stats.TripStatistics;
import de.dennisguse.opentracks.util.FileUtils;
/**
* {@link ContentProviderUtils} implementation.
* Allows to use {@link ContentResolver} and {@link android.content.ContentProvider} interchangeably via {@link IContentResolver}.
*
* @author Leif Hendrik Wilden
*/
public class ContentProviderUtils {
private static final String TAG = ContentProviderUtils.class.getSimpleName();
private static final int MAX_LATITUDE = 90000000;
/**
* Maximum number of waypoints that will be loaded at one time.
*/
public static int MAX_LOADED_WAYPOINTS_POINTS = 10000;
/**
* The authority (the first part of the URI) for the app's content provider.
*/
static String AUTHORITY_PACKAGE = BuildConfig.APPLICATION_ID + ".content";
/**
* The base URI for the app's content provider.
*/
static String CONTENT_BASE_URI = "content://" + AUTHORITY_PACKAGE;
private final IContentResolver contentResolver;
private int defaultCursorBatchSize = 2000;
public ContentProviderUtils(Context context) {
this(context.getContentResolver());
}
public ContentProviderUtils(ContentResolver contentResolver) {
this.contentResolver = new ContentResolverWrapper(contentResolver);
}
public ContentProviderUtils(IContentResolver contentResolver) {
this.contentResolver = contentResolver;
}
/**
* Clears a track: removes waypoints and trackpoints.
* Only keeps the track id.
*
* @param trackId the track id
*/
public void clearTrack(Context context, long trackId) {
deleteTrackPointsAndWaypoints(context, trackId);
Track track = new Track();
track.setId(trackId);
updateTrack(track);
}
/**
* Creates a {@link Track} from a cursor.
*
* @param cursor the cursor pointing to the track
*/
public Track createTrack(Cursor cursor) {
int idIndex = cursor.getColumnIndexOrThrow(TracksColumns._ID);
int nameIndex = cursor.getColumnIndexOrThrow(TracksColumns.NAME);
int descriptionIndex = cursor.getColumnIndexOrThrow(TracksColumns.DESCRIPTION);
int categoryIndex = cursor.getColumnIndexOrThrow(TracksColumns.CATEGORY);
int startIdIndex = cursor.getColumnIndexOrThrow(TracksColumns.STARTID);
int stopIdIndex = cursor.getColumnIndexOrThrow(TracksColumns.STOPID);
int startTimeIndex = cursor.getColumnIndexOrThrow(TracksColumns.STARTTIME);
int stopTimeIndex = cursor.getColumnIndexOrThrow(TracksColumns.STOPTIME);
int numPointsIndex = cursor.getColumnIndexOrThrow(TracksColumns.NUMPOINTS);
int totalDistanceIndex = cursor.getColumnIndexOrThrow(TracksColumns.TOTALDISTANCE);
int totalTimeIndex = cursor.getColumnIndexOrThrow(TracksColumns.TOTALTIME);
int movingTimeIndex = cursor.getColumnIndexOrThrow(TracksColumns.MOVINGTIME);
int minLatIndex = cursor.getColumnIndexOrThrow(TracksColumns.MINLAT);
int maxLatIndex = cursor.getColumnIndexOrThrow(TracksColumns.MAXLAT);
int minLonIndex = cursor.getColumnIndexOrThrow(TracksColumns.MINLON);
int maxLonIndex = cursor.getColumnIndexOrThrow(TracksColumns.MAXLON);
int maxSpeedIndex = cursor.getColumnIndexOrThrow(TracksColumns.MAXSPEED);
int minElevationIndex = cursor.getColumnIndexOrThrow(TracksColumns.MINELEVATION);
int maxElevationIndex = cursor.getColumnIndexOrThrow(TracksColumns.MAXELEVATION);
int elevationGainIndex = cursor.getColumnIndexOrThrow(TracksColumns.ELEVATIONGAIN);
int minGradeIndex = cursor.getColumnIndexOrThrow(TracksColumns.MINGRADE);
int maxGradeIndex = cursor.getColumnIndexOrThrow(TracksColumns.MAXGRADE);
int iconIndex = cursor.getColumnIndexOrThrow(TracksColumns.ICON);
Track track = new Track();
TripStatistics tripStatistics = track.getTripStatistics();
if (!cursor.isNull(idIndex)) {
track.setId(cursor.getLong(idIndex));
}
if (!cursor.isNull(nameIndex)) {
track.setName(cursor.getString(nameIndex));
}
if (!cursor.isNull(descriptionIndex)) {
track.setDescription(cursor.getString(descriptionIndex));
}
if (!cursor.isNull(categoryIndex)) {
track.setCategory(cursor.getString(categoryIndex));
}
if (!cursor.isNull(startIdIndex)) {
track.setStartId(cursor.getLong(startIdIndex));
}
if (!cursor.isNull(stopIdIndex)) {
track.setStopId(cursor.getLong(stopIdIndex));
}
if (!cursor.isNull(startTimeIndex)) {
tripStatistics.setStartTime(cursor.getLong(startTimeIndex));
}
if (!cursor.isNull(stopTimeIndex)) {
tripStatistics.setStopTime(cursor.getLong(stopTimeIndex));
}
if (!cursor.isNull(numPointsIndex)) {
track.setNumberOfPoints(cursor.getInt(numPointsIndex));
}
if (!cursor.isNull(totalDistanceIndex)) {
tripStatistics.setTotalDistance(cursor.getFloat(totalDistanceIndex));
}
if (!cursor.isNull(totalTimeIndex)) {
tripStatistics.setTotalTime(cursor.getLong(totalTimeIndex));
}
if (!cursor.isNull(movingTimeIndex)) {
tripStatistics.setMovingTime(cursor.getLong(movingTimeIndex));
}
if (!cursor.isNull(minLatIndex) && !cursor.isNull(maxLatIndex) && !cursor.isNull(minLonIndex) && !cursor.isNull(maxLonIndex)) {
int bottom = cursor.getInt(minLatIndex);
int top = cursor.getInt(maxLatIndex);
int left = cursor.getInt(minLonIndex);
int right = cursor.getInt(maxLonIndex);
tripStatistics.setBounds(left, top, right, bottom);
}
if (!cursor.isNull(maxSpeedIndex)) {
tripStatistics.setMaxSpeed(cursor.getFloat(maxSpeedIndex));
}
if (!cursor.isNull(minElevationIndex)) {
tripStatistics.setMinElevation(cursor.getFloat(minElevationIndex));
}
if (!cursor.isNull(maxElevationIndex)) {
tripStatistics.setMaxElevation(cursor.getFloat(maxElevationIndex));
}
if (!cursor.isNull(elevationGainIndex)) {
tripStatistics.setTotalElevationGain(cursor.getFloat(elevationGainIndex));
}
if (!cursor.isNull(minGradeIndex)) {
tripStatistics.setMinGrade(cursor.getFloat(minGradeIndex));
}
if (!cursor.isNull(maxGradeIndex)) {
tripStatistics.setMaxGrade(cursor.getFloat(maxGradeIndex));
}
if (!cursor.isNull(iconIndex)) {
track.setIcon(cursor.getString(iconIndex));
}
return track;
}
/**
* Deletes all tracks (including waypoints and track points).
*/
public void deleteAllTracks(Context context) {
contentResolver.delete(TrackPointsColumns.CONTENT_URI, null, null);
contentResolver.delete(WaypointsColumns.CONTENT_URI, null, null);
// Delete tracks last since it triggers a database vaccum call
contentResolver.delete(TracksColumns.CONTENT_URI, null, null);
File dir = FileUtils.getPhotoDir();
deleteDirectoryRecurse(context, dir);
}
/**
* Deletes a track.
*
* @param trackId the track id
*/
public void deleteTrack(Context context, long trackId) {
deleteTrackPointsAndWaypoints(context, trackId);
// Delete track last since it triggers a database vaccum call
contentResolver.delete(TracksColumns.CONTENT_URI, TracksColumns._ID + "=?",
new String[]{Long.toString(trackId)});
}
/**
* Deletes track points and waypoints of a track. Assumes
* {@link TracksColumns#STARTID}, {@link TracksColumns#STOPID}, and
* {@link TracksColumns#NUMPOINTS} will be updated by the caller.
*
* @param trackId the track id
*/
private void deleteTrackPointsAndWaypoints(Context context, long trackId) {
Track track = getTrack(trackId);
if (track != null) {
String where = TrackPointsColumns._ID + ">=? AND " + TrackPointsColumns._ID + "<=?";
String[] selectionArgs = new String[]{
Long.toString(track.getStartId()), Long.toString(track.getStopId())};
contentResolver.delete(TrackPointsColumns.CONTENT_URI, where, selectionArgs);
}
contentResolver.delete(WaypointsColumns.CONTENT_URI, WaypointsColumns.TRACKID + "=?",
new String[]{Long.toString(trackId)});
deleteDirectoryRecurse(context, FileUtils.getPhotoDir(trackId));
}
/**
* Delete the directory recursively.
*
* @param dir the directory
*/
private void deleteDirectoryRecurse(Context context, File dir) {
if (FileUtils.isDirectory(dir)) {
for (File child : dir.listFiles()) {
deleteDirectoryRecurse(context, child);
}
}
if (dir.exists()) {
dir.delete();
FileUtils.updateMediaScanner(context, Uri.fromFile(dir));
}
}
/**
* Gets all the tracks.
* If no track exists, an empty list is returned.
* NOTE: the returned tracks do not have any track points attached.
*/
public List<Track> getAllTracks() {
ArrayList<Track> tracks = new ArrayList<>();
try (Cursor cursor = getTrackCursor(null, null, null, TracksColumns._ID)) {
if (cursor != null && cursor.moveToFirst()) {
tracks.ensureCapacity(cursor.getCount());
do {
tracks.add(createTrack(cursor));
} while (cursor.moveToNext());
}
}
return tracks;
}
/**
* Gets the last track or null.
*/
public Track getLastTrack() {
try (Cursor cursor = getTrackCursor(null, null, null, TracksColumns.STARTTIME + " DESC")) {
// Using the same order as shown in the track list
if (cursor != null && cursor.moveToNext()) {
return createTrack(cursor);
}
}
return null;
}
/**
* Gets a track by a track id or null
* Note that the returned track doesn't have any track points attached.
*
* @param trackId the track id.
*/
public Track getTrack(long trackId) {
if (trackId < 0) {
return null;
}
try (Cursor cursor = getTrackCursor(null, TracksColumns._ID + "=?",
new String[]{Long.toString(trackId)}, TracksColumns._ID)) {
if (cursor != null && cursor.moveToNext()) {
return createTrack(cursor);
}
}
return null;
}
/**
* Gets a track cursor.
* The caller owns the returned cursor and is responsible for closing it.
*
* @param selection the selection. Can be null
* @param selectionArgs the selection arguments. Can be null
* @param sortOrder the sort order. Can be null
*/
public Cursor getTrackCursor(String selection, String[] selectionArgs, String sortOrder) {
return getTrackCursor(null, selection, selectionArgs, sortOrder);
}
/**
* Inserts a track.
* NOTE: This doesn't insert any track points.
*
* @param track the track
* @return the content provider URI of the inserted track.
*/
public Uri insertTrack(Track track) {
return contentResolver.insert(TracksColumns.CONTENT_URI, createContentValues(track));
}
/**
* Updates a track.
* NOTE: This doesn't update any track points.
*
* @param track the track
*/
public void updateTrack(Track track) {
contentResolver.update(TracksColumns.CONTENT_URI, createContentValues(track),
TracksColumns._ID + "=?", new String[]{Long.toString(track.getId())});
}
private ContentValues createContentValues(Track track) {
ContentValues values = new ContentValues();
TripStatistics tripStatistics = track.getTripStatistics();
// Value < 0 indicates no id is available
if (track.getId() >= 0) {
values.put(TracksColumns._ID, track.getId());
}
values.put(TracksColumns.NAME, track.getName());
values.put(TracksColumns.DESCRIPTION, track.getDescription());
values.put(TracksColumns.CATEGORY, track.getCategory());
values.put(TracksColumns.STARTID, track.getStartId());
values.put(TracksColumns.STOPID, track.getStopId());
values.put(TracksColumns.STARTTIME, tripStatistics.getStartTime());
values.put(TracksColumns.STOPTIME, tripStatistics.getStopTime());
values.put(TracksColumns.NUMPOINTS, track.getNumberOfPoints());
values.put(TracksColumns.TOTALDISTANCE, tripStatistics.getTotalDistance());
values.put(TracksColumns.TOTALTIME, tripStatistics.getTotalTime());
values.put(TracksColumns.MOVINGTIME, tripStatistics.getMovingTime());
values.put(TracksColumns.MINLAT, tripStatistics.getBottom());
values.put(TracksColumns.MAXLAT, tripStatistics.getTop());
values.put(TracksColumns.MINLON, tripStatistics.getLeft());
values.put(TracksColumns.MAXLON, tripStatistics.getRight());
values.put(TracksColumns.AVGSPEED, tripStatistics.getAverageSpeed());
values.put(TracksColumns.AVGMOVINGSPEED, tripStatistics.getAverageMovingSpeed());
values.put(TracksColumns.MAXSPEED, tripStatistics.getMaxSpeed());
values.put(TracksColumns.MINELEVATION, tripStatistics.getMinElevation());
values.put(TracksColumns.MAXELEVATION, tripStatistics.getMaxElevation());
values.put(TracksColumns.ELEVATIONGAIN, tripStatistics.getTotalElevationGain());
values.put(TracksColumns.MINGRADE, tripStatistics.getMinGrade());
values.put(TracksColumns.MAXGRADE, tripStatistics.getMaxGrade());
values.put(TracksColumns.ICON, track.getIcon());
return values;
}
/**
* Gets a track cursor.
*
* @param projection the projection
* @param selection the selection
* @param selectionArgs the selection arguments
* @param sortOrder the sort oder
*/
private Cursor getTrackCursor(String[] projection, String selection, String[] selectionArgs, String sortOrder) {
return contentResolver.query(TracksColumns.CONTENT_URI, projection, selection, selectionArgs, sortOrder);
}
/**
* Creates a waypoint from a cursor.
*
* @param cursor the cursor pointing to the waypoint
*/
public Waypoint createWaypoint(Cursor cursor) {
int idIndex = cursor.getColumnIndexOrThrow(WaypointsColumns._ID);
int nameIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.NAME);
int descriptionIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.DESCRIPTION);
int categoryIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.CATEGORY);
int iconIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.ICON);
int trackIdIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.TRACKID);
int typeIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.TYPE);
int lengthIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.LENGTH);
int durationIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.DURATION);
int startTimeIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.STARTTIME);
int startIdIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.STARTID);
int stopIdIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.STOPID);
int longitudeIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.LONGITUDE);
int latitudeIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.LATITUDE);
int timeIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.TIME);
int altitudeIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.ALTITUDE);
int accuracyIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.ACCURACY);
int speedIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.SPEED);
int bearingIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.BEARING);
int totalDistanceIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.TOTALDISTANCE);
int totalTimeIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.TOTALTIME);
int movingTimeIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.MOVINGTIME);
int maxSpeedIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.MAXSPEED);
int minElevationIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.MINELEVATION);
int maxElevationIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.MAXELEVATION);
int elevationGainIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.ELEVATIONGAIN);
int minGradeIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.MINGRADE);
int maxGradeIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.MAXGRADE);
int photoUrlIndex = cursor.getColumnIndexOrThrow(WaypointsColumns.PHOTOURL);
Waypoint waypoint = new Waypoint();
if (!cursor.isNull(idIndex)) {
waypoint.setId(cursor.getLong(idIndex));
}
if (!cursor.isNull(nameIndex)) {
waypoint.setName(cursor.getString(nameIndex));
}
if (!cursor.isNull(descriptionIndex)) {
waypoint.setDescription(cursor.getString(descriptionIndex));
}
if (!cursor.isNull(categoryIndex)) {
waypoint.setCategory(cursor.getString(categoryIndex));
}
if (!cursor.isNull(iconIndex)) {
waypoint.setIcon(cursor.getString(iconIndex));
}
if (!cursor.isNull(trackIdIndex)) {
waypoint.setTrackId(cursor.getLong(trackIdIndex));
}
if (!cursor.isNull(typeIndex)) {
waypoint.setType(WaypointType.values()[cursor.getInt(typeIndex)]);
}
if (!cursor.isNull(lengthIndex)) {
waypoint.setLength(cursor.getFloat(lengthIndex));
}
if (!cursor.isNull(durationIndex)) {
waypoint.setDuration(cursor.getLong(durationIndex));
}
if (!cursor.isNull(startIdIndex)) {
waypoint.setStartId(cursor.getLong(startIdIndex));
}
if (!cursor.isNull(stopIdIndex)) {
waypoint.setStopId(cursor.getLong(stopIdIndex));
}
Location location = new Location("");
if (!cursor.isNull(longitudeIndex) && !cursor.isNull(latitudeIndex)) {
location.setLongitude(((double) cursor.getInt(longitudeIndex)) / 1E6);
location.setLatitude(((double) cursor.getInt(latitudeIndex)) / 1E6);
}
if (!cursor.isNull(timeIndex)) {
location.setTime(cursor.getLong(timeIndex));
}
if (!cursor.isNull(altitudeIndex)) {
location.setAltitude(cursor.getFloat(altitudeIndex));
}
if (!cursor.isNull(accuracyIndex)) {
location.setAccuracy(cursor.getFloat(accuracyIndex));
}
if (!cursor.isNull(speedIndex)) {
location.setSpeed(cursor.getFloat(speedIndex));
}
if (!cursor.isNull(bearingIndex)) {
location.setBearing(cursor.getFloat(bearingIndex));
}
waypoint.setLocation(location);
TripStatistics tripStatistics = new TripStatistics();
boolean hasTripStatistics = false;
if (!cursor.isNull(startTimeIndex)) {
tripStatistics.setStartTime(cursor.getLong(startTimeIndex));
hasTripStatistics = true;
}
if (!cursor.isNull(totalDistanceIndex)) {
tripStatistics.setTotalDistance(cursor.getFloat(totalDistanceIndex));
hasTripStatistics = true;
}
if (!cursor.isNull(totalTimeIndex)) {
tripStatistics.setTotalTime(cursor.getLong(totalTimeIndex));
hasTripStatistics = true;
}
if (!cursor.isNull(movingTimeIndex)) {
tripStatistics.setMovingTime(cursor.getLong(movingTimeIndex));
hasTripStatistics = true;
}
if (!cursor.isNull(maxSpeedIndex)) {
tripStatistics.setMaxSpeed(cursor.getFloat(maxSpeedIndex));
hasTripStatistics = true;
}
if (!cursor.isNull(minElevationIndex)) {
tripStatistics.setMinElevation(cursor.getFloat(minElevationIndex));
hasTripStatistics = true;
}
if (!cursor.isNull(maxElevationIndex)) {
tripStatistics.setMaxElevation(cursor.getFloat(maxElevationIndex));
hasTripStatistics = true;
}
if (!cursor.isNull(elevationGainIndex)) {
tripStatistics.setTotalElevationGain(cursor.getFloat(elevationGainIndex));
hasTripStatistics = true;
}
if (!cursor.isNull(minGradeIndex)) {
tripStatistics.setMinGrade(cursor.getFloat(minGradeIndex));
hasTripStatistics = true;
}
if (!cursor.isNull(maxGradeIndex)) {
tripStatistics.setMaxGrade(cursor.getFloat(maxGradeIndex));
hasTripStatistics = true;
}
if (hasTripStatistics) {
waypoint.setTripStatistics(tripStatistics);
}
if (!cursor.isNull(photoUrlIndex)) {
waypoint.setPhotoUrl(cursor.getString(photoUrlIndex));
}
return waypoint;
}
/**
* Deletes a waypoint.
* If deleting a statistics waypoint, this will also correct the next statistics waypoint after the deleted one to reflect the deletion.
* The generator is used to update the next statistics waypoint.
*
* @param waypointId the waypoint id
* @param descriptionGenerator the description generator. Can be null for waypoint marker
*/
public void deleteWaypoint(Context context, long waypointId, DescriptionGenerator descriptionGenerator) {
final Waypoint waypoint = getWaypoint(waypointId);
if (waypoint != null && waypoint.getType() == WaypointType.STATISTICS
&& descriptionGenerator != null) {
final Waypoint nextWaypoint = getNextStatisticsWaypointAfter(waypoint);
if (nextWaypoint == null) {
Log.d(TAG, "Unable to find the next statistics marker after deleting one.");
} else {
nextWaypoint.getTripStatistics().merge(waypoint.getTripStatistics());
nextWaypoint.setDescription(
descriptionGenerator.generateWaypointDescription(nextWaypoint.getTripStatistics()));
if (!updateWaypoint(nextWaypoint)) {
Log.e(TAG, "Unable to update the next statistics marker after deleting one.");
}
}
}
if (waypoint != null && waypoint.hasPhoto()) {
Uri uri = waypoint.getPhotoURI();
File file = new File(uri.getPath());
if (file.exists()) {
File parent = file.getParentFile();
file.delete();
FileUtils.updateMediaScanner(context, uri);
if (parent.listFiles().length == 0) {
parent.delete();
}
}
}
contentResolver.delete(WaypointsColumns.CONTENT_URI, WaypointsColumns._ID + "=?", new String[]{Long.toString(waypointId)});
}
/**
* Gets the first waypoint id for a track.
* The first waypoint is special as it contains the stats for the track.
* Returns -1L if it doesn't exist.
*
* @param trackId the track id
*/
public long getFirstWaypointId(long trackId) {
if (trackId < 0) {
return -1L;
}
try (Cursor cursor = getWaypointCursor(new String[]{WaypointsColumns._ID},
WaypointsColumns.TRACKID + "=?", new String[]{Long.toString(trackId)},
WaypointsColumns._ID, 1)) {
if (cursor != null && cursor.moveToFirst()) {
return cursor.getLong(cursor.getColumnIndexOrThrow(WaypointsColumns._ID));
}
}
return -1L;
}
/**
* Gets the last waypoint for a type. Returns null if it doesn't exist.
*
* @param trackId the track id
* @param waypointType the waypoint type
*/
public Waypoint getLastWaypoint(long trackId, WaypointType waypointType) {
if (trackId < 0) {
return null;
}
Cursor cursor = null;
try {
String selection = WaypointsColumns.TRACKID + "=? AND " + WaypointsColumns.TYPE + "=?";
String[] selectionArgs = new String[]{
Long.toString(trackId), Integer.toString(waypointType.ordinal())};
cursor = getWaypointCursor(null, selection, selectionArgs, WaypointsColumns._ID + " DESC", 1);
if (cursor != null && cursor.moveToFirst()) {
return createWaypoint(cursor);
}
} finally {
if (cursor != null) {
cursor.close();
}
}
return null;
}
/**
* Gets the next waypoint number for a type.
* Returns -1 if not able to get the next waypoint number.
*
* @param trackId the track id
* @param waypointType the waypoint type
*/
public int getNextWaypointNumber(long trackId, WaypointType waypointType) {
if (trackId < 0) {
return -1;
}
Cursor cursor = null;
try {
String[] projection = {WaypointsColumns._ID};
String selection = WaypointsColumns.TRACKID + "=? AND " + WaypointsColumns.TYPE + "=?";
String[] selectionArgs = new String[]{
Long.toString(trackId), Integer.toString(waypointType.ordinal())};
cursor = getWaypointCursor(projection, selection, selectionArgs, WaypointsColumns._ID, -1);
if (cursor != null) {
int count = cursor.getCount();
/*
* For statistics markers, the first marker is for the track statistics,
* so return the count as the next user visible number.
*/
return waypointType == WaypointType.STATISTICS ? count : count + 1;
}
} finally {
if (cursor != null) {
cursor.close();
}
}
return -1;
}
/**
* Gets a waypoint from a waypoint id.
* Returns null if not found.
*
* @param waypointId the waypoint id
*/
public Waypoint getWaypoint(long waypointId) {
if (waypointId < 0) {
return null;
}
try (Cursor cursor = getWaypointCursor(null, WaypointsColumns._ID + "=?",
new String[]{Long.toString(waypointId)}, WaypointsColumns._ID, 1)) {
if (cursor != null && cursor.moveToFirst()) {
return createWaypoint(cursor);
}
}
return null;
}
/**
* Gets a waypoint cursor.
* he caller owns the returned cursor and is responsible for closing it.
*
* @param selection the selection. Can be null
* @param selectionArgs the selection arguments. Can be null
* @param sortOrder the sort order. Can be null
* @param maxWaypoints the maximum number of waypoints to return. -1 for no
* limit
*/
public Cursor getWaypointCursor(
String selection, String[] selectionArgs, String sortOrder, int maxWaypoints) {
return getWaypointCursor(null, selection, selectionArgs, sortOrder, maxWaypoints);
}
/**
* Gets a waypoint cursor for a track.
* The caller owns the returned cursor and is responsible for closing it.
*
* @param trackId the track id
* @param minWaypointId the minimum waypoint id. -1L to ignore
* @param maxWaypoints the maximum number of waypoints to return. -1 for no limit
*/
public Cursor getWaypointCursor(long trackId, long minWaypointId, int maxWaypoints) {
if (trackId < 0) {
return null;
}
String selection;
String[] selectionArgs;
if (minWaypointId >= 0) {
selection = WaypointsColumns.TRACKID + "=? AND " + WaypointsColumns._ID + ">=?";
selectionArgs = new String[]{Long.toString(trackId), Long.toString(minWaypointId)};
} else {
selection = WaypointsColumns.TRACKID + "=?";
selectionArgs = new String[]{Long.toString(trackId)};
}
return getWaypointCursor(null, selection, selectionArgs, WaypointsColumns._ID, maxWaypoints);
}
/**
* Gets the number of waypoints for a track.
*
* @param trackId the track id
*/
public int getWaypointCount(long trackId) {
if (trackId < 0) {
return 0;
}
String[] projection = new String[]{"count(*) AS count"};
String selection = WaypointsColumns.TRACKID + "=?";
String[] selectionArgs = new String[]{Long.toString(trackId)};
Cursor cursor = contentResolver.query(WaypointsColumns.CONTENT_URI, projection, selection, selectionArgs, WaypointsColumns._ID);
cursor.moveToFirst();
int count = cursor.getInt(0);
cursor.close();
// not count the first waypoint
return count > 0 ? count - 1 : 0;
}
/**
* Inserts a waypoint.
*
* @param waypoint the waypoint
* @return the content provider URI of the inserted waypoint.
*/
public Uri insertWaypoint(Waypoint waypoint) {
waypoint.setId(-1L);
return contentResolver.insert(WaypointsColumns.CONTENT_URI, createContentValues(waypoint));
}
/**
* Updates a waypoint.
* Returns true if successful.
*
* @param waypoint the waypoint
*/
public boolean updateWaypoint(Waypoint waypoint) {
int rows = contentResolver.update(WaypointsColumns.CONTENT_URI, createContentValues(waypoint),
WaypointsColumns._ID + "=?", new String[]{Long.toString(waypoint.getId())});
return rows == 1;
}
ContentValues createContentValues(Waypoint waypoint) {
ContentValues values = new ContentValues();
// Value < 0 indicates no id is available
if (waypoint.getId() >= 0) {
values.put(WaypointsColumns._ID, waypoint.getId());
}
values.put(WaypointsColumns.NAME, waypoint.getName());
values.put(WaypointsColumns.DESCRIPTION, waypoint.getDescription());
values.put(WaypointsColumns.CATEGORY, waypoint.getCategory());
values.put(WaypointsColumns.ICON, waypoint.getIcon());
values.put(WaypointsColumns.TRACKID, waypoint.getTrackId());
values.put(WaypointsColumns.TYPE, waypoint.getType().ordinal());
values.put(WaypointsColumns.LENGTH, waypoint.getLength());
values.put(WaypointsColumns.DURATION, waypoint.getDuration());
values.put(WaypointsColumns.STARTID, waypoint.getStartId());
values.put(WaypointsColumns.STOPID, waypoint.getStopId());
Location location = waypoint.getLocation();
if (location != null) {
values.put(WaypointsColumns.LONGITUDE, (int) (location.getLongitude() * 1E6));
values.put(WaypointsColumns.LATITUDE, (int) (location.getLatitude() * 1E6));
values.put(WaypointsColumns.TIME, location.getTime());
if (location.hasAltitude()) {
values.put(WaypointsColumns.ALTITUDE, location.getAltitude());
}
if (location.hasAccuracy()) {
values.put(WaypointsColumns.ACCURACY, location.getAccuracy());
}
if (location.hasSpeed()) {
values.put(WaypointsColumns.SPEED, location.getSpeed());
}
if (location.hasBearing()) {
values.put(WaypointsColumns.BEARING, location.getBearing());
}
}
TripStatistics tripStatistics = waypoint.getTripStatistics();
if (tripStatistics != null) {
values.put(WaypointsColumns.STARTTIME, tripStatistics.getStartTime());
values.put(WaypointsColumns.TOTALDISTANCE, tripStatistics.getTotalDistance());
values.put(WaypointsColumns.TOTALTIME, tripStatistics.getTotalTime());
values.put(WaypointsColumns.MOVINGTIME, tripStatistics.getMovingTime());
values.put(WaypointsColumns.AVGSPEED, tripStatistics.getAverageSpeed());
values.put(WaypointsColumns.AVGMOVINGSPEED, tripStatistics.getAverageMovingSpeed());
values.put(WaypointsColumns.MAXSPEED, tripStatistics.getMaxSpeed());
values.put(WaypointsColumns.MINELEVATION, tripStatistics.getMinElevation());
values.put(WaypointsColumns.MAXELEVATION, tripStatistics.getMaxElevation());
values.put(WaypointsColumns.ELEVATIONGAIN, tripStatistics.getTotalElevationGain());
values.put(WaypointsColumns.MINGRADE, tripStatistics.getMinGrade());
values.put(WaypointsColumns.MAXGRADE, tripStatistics.getMaxGrade());
}
values.put(WaypointsColumns.PHOTOURL, waypoint.getPhotoUrl());
return values;
}
private Waypoint getNextStatisticsWaypointAfter(Waypoint waypoint) {
Cursor cursor = null;
try {
String selection = WaypointsColumns._ID + ">? AND " + WaypointsColumns.TRACKID + "=? AND "
+ WaypointsColumns.TYPE + "=" + WaypointType.STATISTICS.ordinal();
String[] selectionArgs = new String[]{
Long.toString(waypoint.getId()), Long.toString(waypoint.getTrackId())};
cursor = getWaypointCursor(null, selection, selectionArgs, WaypointsColumns._ID, 1);
if (cursor != null && cursor.moveToFirst()) {
return createWaypoint(cursor);
}
} finally {
if (cursor != null) {
cursor.close();
}
}
return null;
}
/**
* Gets a waypoint cursor.
*
* @param projection the projection
* @param selection the selection
* @param selectionArgs the selection args
* @param sortOrder the sort order
* @param maxWaypoints the maximum number of waypoints
*/
private Cursor getWaypointCursor(String[] projection, String selection, String[] selectionArgs,
String sortOrder, int maxWaypoints) {
if (sortOrder == null) {
sortOrder = WaypointsColumns._ID;
}
if (maxWaypoints >= 0) {
sortOrder += " LIMIT " + maxWaypoints;
}
return contentResolver.query(WaypointsColumns.CONTENT_URI, projection, selection, selectionArgs, sortOrder);
}
/**
* Inserts multiple track points.
*
* @param locations an array of locations
* @param length the number of locations (from the beginning of the array) to
* insert, or -1 for all of them
* @param trackId the track id
* @return the number of points inserted
*/
public int bulkInsertTrackPoint(Location[] locations, int length, long trackId) {
if (length == -1) {
length = locations.length;
}
ContentValues[] values = new ContentValues[length];
for (int i = 0; i < length; i++) {
values[i] = createContentValues(locations[i], trackId);
}
return contentResolver.bulkInsert(TrackPointsColumns.CONTENT_URI, values);
}
/**
* Creates a location object from a cursor.
*
* @param cursor the cursor pointing to the location
*/
public Location createTrackPoint(Cursor cursor) {
Location location = new SensorDataSetLocation("");
fillTrackPoint(cursor, new CachedTrackPointsIndexes(cursor), location);
return location;
}
/**
* Gets the first location id for a track.
* Returns -1L if it doesn't exist.
*
* @param trackId the track id
*/
public long getFirstTrackPointId(long trackId) {
if (trackId < 0) {
return -1L;
}
Cursor cursor = null;
try {
String selection = TrackPointsColumns._ID + "=(select min(" + TrackPointsColumns._ID
+ ") from " + TrackPointsColumns.TABLE_NAME + " WHERE " + TrackPointsColumns.TRACKID
+ "=?)";
String[] selectionArgs = new String[]{Long.toString(trackId)};
cursor = getTrackPointCursor(new String[]{TrackPointsColumns._ID}, selection,
selectionArgs, TrackPointsColumns._ID);
if (cursor != null && cursor.moveToFirst()) {
return cursor.getLong(cursor.getColumnIndexOrThrow(TrackPointsColumns._ID));
}
} finally {
if (cursor != null) {
cursor.close();
}
}
return -1L;
}
/**
* Gets the last location id for a track.
* Returns -1L if it doesn't exist.
*
* @param trackId the track id
*/
public long getLastTrackPointId(long trackId) {
if (trackId < 0) {
return -1L;
}
Cursor cursor = null;
try {
String selection = TrackPointsColumns._ID + "=(select max(" + TrackPointsColumns._ID
+ ") from " + TrackPointsColumns.TABLE_NAME + " WHERE " + TrackPointsColumns.TRACKID
+ "=?)";
String[] selectionArgs = new String[]{Long.toString(trackId)};
cursor = getTrackPointCursor(new String[]{TrackPointsColumns._ID}, selection,
selectionArgs, TrackPointsColumns._ID);
if (cursor != null && cursor.moveToFirst()) {
return cursor.getLong(cursor.getColumnIndexOrThrow(TrackPointsColumns._ID));
}
} finally {
if (cursor != null) {
cursor.close();
}
}
return -1L;
}
/**
* Gets the track point id of a location.
*
* @param trackId the track id
* @param location the location
* @return track point id if the location is in the track. -1L otherwise.
*/
public long getTrackPointId(long trackId, Location location) {
if (trackId < 0) {
return -1L;
}
Cursor cursor = null;
try {
String selection = TrackPointsColumns._ID + "=(select max(" + TrackPointsColumns._ID
+ ") from " + TrackPointsColumns.TABLE_NAME + " WHERE " + TrackPointsColumns.TRACKID
+ "=? AND " + TrackPointsColumns.TIME + "=?)";
String[] selectionArgs = new String[]{
Long.toString(trackId), Long.toString(location.getTime())};
cursor = getTrackPointCursor(new String[]{TrackPointsColumns._ID}, selection,
selectionArgs, TrackPointsColumns._ID);
if (cursor != null && cursor.moveToFirst()) {
return cursor.getLong(cursor.getColumnIndexOrThrow(TrackPointsColumns._ID));
}
} finally {
if (cursor != null) {
cursor.close();
}
}
return -1L;
}
/**
* Gets the first valid location for a track.
* Returns null if it doesn't exist.
*
* @param trackId the track id
*/
public Location getFirstValidTrackPoint(long trackId) {
if (trackId < 0) {
return null;
}
String selection = TrackPointsColumns._ID + "=(select min(" + TrackPointsColumns._ID + ") from "
+ TrackPointsColumns.TABLE_NAME + " WHERE " + TrackPointsColumns.TRACKID + "=? AND "
+ TrackPointsColumns.LATITUDE + "<=" + MAX_LATITUDE + ")";
String[] selectionArgs = new String[]{Long.toString(trackId)};
return findTrackPointBy(selection, selectionArgs);
}
/**
* Gets the last valid location for a track.
* Returns null if it doesn't exist.
*
* @param trackId the track id
*/
public Location getLastValidTrackPoint(long trackId) {
if (trackId < 0) {
return null;
}
String selection = TrackPointsColumns._ID + "=(select max(" + TrackPointsColumns._ID + ") from "
+ TrackPointsColumns.TABLE_NAME + " WHERE " + TrackPointsColumns.TRACKID + "=? AND "
+ TrackPointsColumns.LATITUDE + "<=" + MAX_LATITUDE + ")";
String[] selectionArgs = new String[]{Long.toString(trackId)};
return findTrackPointBy(selection, selectionArgs);
}
/**
* Creates a location cursor. The caller owns the returned cursor and is responsible for closing it.
*
* @param trackId the track id
* @param startTrackPointId the starting track point id. -1L to ignore
* @param maxLocations maximum number of locations to return. -1 for no limit
* @param descending true to sort the result in descending order (latest location first)
*/
public Cursor getTrackPointCursor(long trackId, long startTrackPointId, int maxLocations, boolean descending) {
if (trackId < 0) {
return null;
}
String selection;
String[] selectionArgs;
if (startTrackPointId >= 0) {
String comparison = descending ? "<=" : ">=";
selection = TrackPointsColumns.TRACKID + "=? AND " + TrackPointsColumns._ID + comparison
+ "?";
selectionArgs = new String[]{Long.toString(trackId), Long.toString(startTrackPointId)};
} else {
selection = TrackPointsColumns.TRACKID + "=?";
selectionArgs = new String[]{Long.toString(trackId)};
}
String sortOrder = TrackPointsColumns._ID;
if (descending) {
sortOrder += " DESC";
}
if (maxLocations >= 0) {
sortOrder += " LIMIT " + maxLocations;
}
return getTrackPointCursor(null, selection, selectionArgs, sortOrder);
}
/**
* Creates a new read-only iterator over a given track's points.
* It provides a lightweight way of iterating over long tracks without failing due to the underlying cursor limitations.
* Since it's a read-only iterator, {@link Iterator#remove()} always throws {@link UnsupportedOperationException}.
* Each call to {@link LocationIterator#next()} may advance to the next DB record, and if so, the iterator calls {@link LocationFactory#createLocation()} and populates it with information retrieved from the record.
* When done with iteration, {@link LocationIterator#close()} must be called.
*
* @param trackId the track id
* @param startTrackPointId the starting track point id. -1L to ignore
* @param descending true to sort the result in descending order (latest location first)
* @param locationFactory the location factory
*/
public LocationIterator getTrackPointLocationIterator(final long trackId,
final long startTrackPointId, final boolean descending,
final LocationFactory locationFactory) {
if (locationFactory == null) {
throw new IllegalArgumentException("locationFactory is null");
}
return new LocationIterator() {
private long lastTrackPointId = -1L;
private Cursor cursor = getCursor(startTrackPointId);
private final CachedTrackPointsIndexes
indexes = cursor != null ? new CachedTrackPointsIndexes(cursor)
: null;
/**
* Gets the track point cursor.
*
* @param trackPointId the starting track point id
*/
private Cursor getCursor(long trackPointId) {
return getTrackPointCursor(trackId, trackPointId, defaultCursorBatchSize, descending);
}
/**
* Advances the cursor to the next batch. Returns true if successful.
*/
private boolean advanceCursorToNextBatch() {
long trackPointId = lastTrackPointId == -1L ? -1L
: lastTrackPointId + (descending ? -1 : 1);
Log.d(TAG, "Advancing track point id: " + trackPointId);
cursor.close();
cursor = getCursor(trackPointId);
return cursor != null;
}
@Override
public long getLocationId() {
return lastTrackPointId;
}
@Override
public boolean hasNext() {
if (cursor == null) {
return false;
}
if (cursor.isAfterLast()) {
return false;
}
if (cursor.isLast()) {
if (cursor.getCount() != defaultCursorBatchSize) {
return false;
}
return advanceCursorToNextBatch() && !cursor.isAfterLast();
}
return true;
}
@Override
public Location next() {
if (cursor == null) {
throw new NoSuchElementException();
}
if (!cursor.moveToNext()) {
if (!advanceCursorToNextBatch() || !cursor.moveToNext()) {
throw new NoSuchElementException();
}
}
lastTrackPointId = cursor.getLong(indexes.idIndex);
Location location = locationFactory.createLocation();
fillTrackPoint(cursor, indexes, location);
return location;
}
@Override
public void close() {
if (cursor != null) {
cursor.close();
cursor = null;
}
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
};
}
/**
* Inserts a track point.
*
* @param location the location
* @param trackId the track id
* @return the content provider URI of the inserted track point
*/
public Uri insertTrackPoint(Location location, long trackId) {
return contentResolver.insert(TrackPointsColumns.CONTENT_URI, createContentValues(location, trackId));
}
/**
* Creates the {@link ContentValues} for a {@link Location}.
*
* @param location the location
* @param trackId the track id
*/
private ContentValues createContentValues(Location location, long trackId) {
ContentValues values = new ContentValues();
values.put(TrackPointsColumns.TRACKID, trackId);
values.put(TrackPointsColumns.LONGITUDE, (int) (location.getLongitude() * 1E6));
values.put(TrackPointsColumns.LATITUDE, (int) (location.getLatitude() * 1E6));
// Hack for Samsung phones that don't properly populate the time field
long time = location.getTime();
if (time == 0) {
time = System.currentTimeMillis();
}
values.put(TrackPointsColumns.TIME, time);
if (location.hasAltitude()) {
values.put(TrackPointsColumns.ALTITUDE, location.getAltitude());
}
if (location.hasAccuracy()) {
values.put(TrackPointsColumns.ACCURACY, location.getAccuracy());
}
if (location.hasSpeed()) {
values.put(TrackPointsColumns.SPEED, location.getSpeed());
}
if (location.hasBearing()) {
values.put(TrackPointsColumns.BEARING, location.getBearing());
}
//SensorData
if (location instanceof SensorDataSetLocation) {
SensorDataSetLocation sensorDataSetLocation = (SensorDataSetLocation) location;
SensorDataSet sensorDataSet = sensorDataSetLocation.getSensorDataSet();
if (sensorDataSet != null && sensorDataSet.hasHeartRate()) {
values.put(TrackPointsColumns.SENSOR_HEARTRATE, sensorDataSetLocation.getSensorDataSet().getHeartRate());
}
if (sensorDataSet != null && sensorDataSet.hasCadence()) {
values.put(TrackPointsColumns.SENSOR_CADENCE, sensorDataSetLocation.getSensorDataSet().getCadence());
}
if (sensorDataSet != null && sensorDataSet.hasPower()) {
values.put(TrackPointsColumns.SENSOR_POWER, sensorDataSetLocation.getSensorDataSet().getPower());
}
}
return values;
}
/**
* Fills a track point from a cursor.
*
* @param cursor the cursor pointing to a location.
* @param indexes the cached track points indexes
* @param location the track point
*/
private void fillTrackPoint(Cursor cursor, CachedTrackPointsIndexes indexes, Location location) {
location.reset();
if (!cursor.isNull(indexes.longitudeIndex)) {
location.setLongitude(((double) cursor.getInt(indexes.longitudeIndex)) / 1E6);
}
if (!cursor.isNull(indexes.latitudeIndex)) {
location.setLatitude(((double) cursor.getInt(indexes.latitudeIndex)) / 1E6);
}
if (!cursor.isNull(indexes.timeIndex)) {
location.setTime(cursor.getLong(indexes.timeIndex));
}
if (!cursor.isNull(indexes.altitudeIndex)) {
location.setAltitude(cursor.getFloat(indexes.altitudeIndex));
}
if (!cursor.isNull(indexes.accuracyIndex)) {
location.setAccuracy(cursor.getFloat(indexes.accuracyIndex));
}
if (!cursor.isNull(indexes.speedIndex)) {
location.setSpeed(cursor.getFloat(indexes.speedIndex));
}
if (!cursor.isNull(indexes.bearingIndex)) {
location.setBearing(cursor.getFloat(indexes.bearingIndex));
}
if (location instanceof SensorDataSetLocation) {
SensorDataSetLocation sensorDataSetLocation = (SensorDataSetLocation) location;
float heartRate = cursor.isNull(indexes.sensorHeartRateIndex) ? SensorDataSet.DATA_UNAVAILABLE : cursor.getFloat(indexes.sensorHeartRateIndex);
float cadence = cursor.isNull(indexes.sensorCadenceIndex) ? SensorDataSet.DATA_UNAVAILABLE : cursor.getFloat(indexes.sensorCadenceIndex);
float power = cursor.isNull(indexes.sensorPowerIndex) ? SensorDataSet.DATA_UNAVAILABLE : cursor.getFloat(indexes.sensorPowerIndex);
sensorDataSetLocation.setSensorDataSet(new SensorDataSet(heartRate, cadence, power, SensorDataSet.DATA_UNAVAILABLE, location.getTime()));
}
}
private Location findTrackPointBy(String selection, String[] selectionArgs) {
try (Cursor cursor = getTrackPointCursor(null, selection, selectionArgs, TrackPointsColumns._ID)) {
if (cursor != null && cursor.moveToNext()) {
return createTrackPoint(cursor);
}
}
return null;
}
/**
* Gets a track point cursor.
*
* @param projection the projection
* @param selection the selection
* @param selectionArgs the selection arguments
* @param sortOrder the sort order
*/
private Cursor getTrackPointCursor(String[] projection, String selection, String[] selectionArgs, String sortOrder) {
return contentResolver.query(TrackPointsColumns.CONTENT_URI, projection, selection, selectionArgs, sortOrder);
}
/**
* Sets the default cursor batch size. For testing purpose.
*
* @param defaultCursorBatchSize the default cursor batch size
*/
@VisibleForTesting
void setDefaultCursorBatchSize(int defaultCursorBatchSize) {
this.defaultCursorBatchSize = defaultCursorBatchSize;
}
/**
* A cache of track points indexes.
*/
private static class CachedTrackPointsIndexes {
final int idIndex;
final int longitudeIndex;
final int latitudeIndex;
final int timeIndex;
final int altitudeIndex;
final int accuracyIndex;
final int speedIndex;
final int bearingIndex;
final int sensorHeartRateIndex;
final int sensorCadenceIndex;
final int sensorPowerIndex;
CachedTrackPointsIndexes(Cursor cursor) {
idIndex = cursor.getColumnIndex(TrackPointsColumns._ID);
longitudeIndex = cursor.getColumnIndexOrThrow(TrackPointsColumns.LONGITUDE);
latitudeIndex = cursor.getColumnIndexOrThrow(TrackPointsColumns.LATITUDE);
timeIndex = cursor.getColumnIndexOrThrow(TrackPointsColumns.TIME);
altitudeIndex = cursor.getColumnIndexOrThrow(TrackPointsColumns.ALTITUDE);
accuracyIndex = cursor.getColumnIndexOrThrow(TrackPointsColumns.ACCURACY);
speedIndex = cursor.getColumnIndexOrThrow(TrackPointsColumns.SPEED);
bearingIndex = cursor.getColumnIndexOrThrow(TrackPointsColumns.BEARING);
sensorHeartRateIndex = cursor.getColumnIndexOrThrow(TrackPointsColumns.SENSOR_HEARTRATE);
sensorCadenceIndex = cursor.getColumnIndexOrThrow(TrackPointsColumns.SENSOR_CADENCE);
sensorPowerIndex = cursor.getColumnIndexOrThrow(TrackPointsColumns.SENSOR_POWER);
}
}
}
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