diff options
Diffstat (limited to 'location/java')
3 files changed, 0 insertions, 782 deletions
diff --git a/location/java/android/location/LocationManager.java b/location/java/android/location/LocationManager.java index ac8a344..dacfeb9 100644 --- a/location/java/android/location/LocationManager.java +++ b/location/java/android/location/LocationManager.java @@ -103,9 +103,6 @@ public class LocationManager { */ public static final String KEY_LOCATION_CHANGED = "location"; - /** @hide -- does this belong here? */ - public static final String PROVIDER_DIR = "/data/location"; - /** @hide */ public static final String SYSTEM_DIR = "/data/system/location"; diff --git a/location/java/com/android/internal/location/LocationProviderImpl.java b/location/java/com/android/internal/location/LocationProviderImpl.java index 7041849..5e9c074 100644 --- a/location/java/com/android/internal/location/LocationProviderImpl.java +++ b/location/java/com/android/internal/location/LocationProviderImpl.java @@ -21,13 +21,8 @@ import android.location.Location; import android.location.LocationProvider; import android.os.Bundle; import android.os.RemoteException; -import android.util.Config; import android.util.Log; -import java.io.BufferedReader; -import java.io.File; -import java.io.FileReader; -import java.io.IOException; import java.util.ArrayList; import java.util.HashMap; import java.util.List; @@ -75,49 +70,6 @@ public abstract class LocationProviderImpl extends LocationProvider { return sProvidersByName.get(name); } - public static LocationProviderImpl loadFromClass(File classFile) { - if (!classFile.exists()) { - return null; - } - if (Config.LOGD) { - Log.d(TAG, "Loading class specifier file " + classFile.getPath()); - } - String className = null; - try { - BufferedReader br = - new BufferedReader(new FileReader(classFile), 8192); - className = br.readLine(); - br.close(); - Class providerClass = Class.forName(className); - if (Config.LOGD) { - Log.d(TAG, "Loading provider class " + providerClass.getName()); - } - LocationProviderImpl provider = - (LocationProviderImpl) providerClass.newInstance(); - if (Config.LOGD) { - Log.d(TAG, "Got provider instance " + provider); - } - - return provider; - } catch (IOException ioe) { - Log.e(TAG, "IOException loading config file " + - classFile.getPath(), ioe); - } catch (IllegalAccessException iae) { - Log.e(TAG, "IllegalAccessException loading class " + - className, iae); - } catch (InstantiationException ie) { - Log.e(TAG, "InstantiationException loading class " + - className, ie); - } catch (ClassNotFoundException cnfe) { - Log.e(TAG, "ClassNotFoundException loading class " + - className, cnfe); - } catch (ClassCastException cce) { - Log.e(TAG, "ClassCastException loading class " + - className, cce); - } - return null; - } - public void reportLocationChanged(Location location) { try { mLocationManager.setLocation(location); diff --git a/location/java/com/android/internal/location/TrackProvider.java b/location/java/com/android/internal/location/TrackProvider.java deleted file mode 100644 index c6abe13..0000000 --- a/location/java/com/android/internal/location/TrackProvider.java +++ /dev/null @@ -1,731 +0,0 @@ -// Copyright 2007 The Android Open Source Project - -package com.android.internal.location; - -import org.xmlpull.v1.XmlPullParser; -import org.xmlpull.v1.XmlPullParserException; -import org.xmlpull.v1.XmlPullParserFactory; - -import java.io.BufferedReader; -import java.io.File; -import java.io.FileReader; -import java.io.IOException; -import java.io.Reader; -import java.util.ArrayList; -import java.util.List; -import java.util.StringTokenizer; - -import android.location.Criteria; -import android.location.ILocationManager; -import android.location.Location; -import android.os.Bundle; -import android.util.Config; -import android.util.Log; - -/** - * A dummy provider that returns positions interpolated from a sequence - * of caller-supplied waypoints. The waypoints are supplied as a - * String containing one or more numeric quadruples of the form: - * <br> - * <code> - * <time in millis> <latitude> <longitude> <altitude> - * </code> - * - * <p> The waypoints must be supplied in increasing timestamp order. - * - * <p> The time at which the provider is constructed is considered to - * be time 0, and further requests for positions will return a - * position that is linearly interpolated between the waypoints whose - * timestamps are closest to the amount of wall clock time that has - * elapsed since time 0. - * - * <p> Following the time of the last waypoint, the position of that - * waypoint will continue to be returned indefinitely. - * - * {@hide} - */ -public class TrackProvider extends LocationProviderImpl { - static final String LOG_TAG = "TrackProvider"; - - private static final long INTERVAL = 1000L; - - private boolean mEnabled = true; - private TrackProviderThread mThread; - - private double mLatitude; - private double mLongitude; - private boolean mHasAltitude; - private boolean mHasBearing; - private boolean mHasSpeed; - private double mAltitude; - private float mBearing; - private float mSpeed; - private Bundle mExtras; - - private long mBaseTime; - private long mLastTime = -1L; - private long mTime; - - private long mMinTime; - private long mMaxTime; - - private List<Waypoint> mWaypoints = new ArrayList<Waypoint>(); - private int mWaypointIndex = 0; - - private boolean mRequiresNetwork = false; - private boolean mRequiresSatellite = false; - private boolean mRequiresCell = false; - private boolean mHasMonetaryCost = false; - private boolean mSupportsAltitude = true; - private boolean mSupportsSpeed = true; - private boolean mSupportsBearing = true; - private boolean mRepeat = false; - private int mPowerRequirement = Criteria.POWER_LOW; - private int mAccuracy = Criteria.ACCURACY_COARSE; - - private float mTrackSpeed = 100.0f; // km/hr - default for kml tracks - - private Location mInitialLocation; - - private class TrackProviderThread extends Thread { - - private boolean mDone = false; - - public TrackProviderThread() { - super("TrackProviderThread"); - } - - public void run() { - // thread exits after disable() is called - synchronized (this) { - while (!mDone) { - try { - wait(INTERVAL); - } catch (InterruptedException e) { - } - - if (!mDone) { - TrackProvider.this.update(); - } - } - } - } - - synchronized void setDone() { - mDone = true; - notify(); - } - } - - private void close(Reader rdr) { - try { - if (rdr != null) { - rdr.close(); - } - } catch (IOException e) { - Log.w(LOG_TAG, "Exception closing reader", e); - } - } - - public void readTrack(File trackFile) { - BufferedReader br = null; - try { - br = new BufferedReader(new FileReader(trackFile), 8192); - String s; - - long lastTime = -Long.MAX_VALUE; - while ((s = br.readLine()) != null) { - String[] tokens = s.split("\\s+"); - if (tokens.length != 4 && tokens.length != 6) { - Log.e(LOG_TAG, "Got track \"" + s + - "\", wanted <time> <long> <lat> <alt> [<bearing> <speed>]"); - continue; - } - long time; - double longitude, latitude, altitude; - try { - time = Long.parseLong(tokens[0]); - longitude = Double.parseDouble(tokens[1]); - latitude = Double.parseDouble(tokens[2]); - altitude = Double.parseDouble(tokens[3]); - } catch (NumberFormatException e) { - Log.e(LOG_TAG, "Got track \"" + s + - "\", wanted <time> <long> <lat> <alt> " + - "[<bearing> <speed>]", e); - continue; - } - - Waypoint w = new Waypoint(getName(), time, latitude, longitude, altitude); - if (tokens.length >= 6) { - float bearing, speed; - try { - bearing = Float.parseFloat(tokens[4]); - speed = Float.parseFloat(tokens[5]); - w.setBearing(bearing); - w.setSpeed(speed); - } catch (NumberFormatException e) { - Log.e(LOG_TAG, "Ignoring bearing and speed \"" + - tokens[4] + "\", \"" + tokens[5] + "\"", e); - } - } - - if (mInitialLocation == null) { - mInitialLocation = w.getLocation(); - } - - // Ignore waypoints whose time is less than or equal to 0 or - // the time of the previous waypoint - if (time < 0) { - Log.e(LOG_TAG, "Ignoring waypoint at negative time=" + time); - continue; - } - if (time <= lastTime) { - Log.e(LOG_TAG, "Ignoring waypoint at time=" + time + - " (< " + lastTime + ")"); - continue; - } - - mWaypoints.add(w); - lastTime = time; - } - - setTimes(); - return; - } catch (IOException e) { - Log.e(LOG_TAG, "Exception reading track file", e); - mWaypoints.clear(); - } finally { - close(br); - } - } - - public void readKml(File kmlFile) { - FileReader kmlReader = null; - try { - kmlReader = new FileReader(kmlFile); - XmlPullParserFactory factory = XmlPullParserFactory.newInstance(); - XmlPullParser xpp = factory.newPullParser(); - xpp.setInput(kmlReader); - - // Concatenate the text of each <coordinates> tag - boolean inCoordinates = false; - StringBuilder sb = new StringBuilder(); - int eventType = xpp.getEventType(); - do { - if (eventType == XmlPullParser.START_DOCUMENT) { - // do nothing - } else if (eventType == XmlPullParser.END_DOCUMENT) { - // do nothing - } else if (eventType == XmlPullParser.START_TAG) { - String startTagName = xpp.getName(); - if (startTagName.equals("coordinates")) { - inCoordinates = true; - } - } else if (eventType == XmlPullParser.END_TAG) { - String endTagName = xpp.getName(); - if (endTagName.equals("coordinates")) { - inCoordinates = false; - } - } else if (eventType == XmlPullParser.TEXT) { - if (inCoordinates) { - sb.append(xpp.getText()); - sb.append(' '); - } - } - eventType = xpp.next(); - } while (eventType != XmlPullParser.END_DOCUMENT); - - String coordinates = sb.toString(); - - // Parse the "lon,lat,alt" triples and supply times - // for each waypoint based on a constant speed - Location loc = null; - double KM_PER_HOUR = mTrackSpeed; - double KM_PER_METER = 1.0 / 1000.0; - double MILLIS_PER_HOUR = 60.0 * 60.0 * 1000.0; - double MILLIS_PER_METER = - (1.0 / KM_PER_HOUR) * (KM_PER_METER) * (MILLIS_PER_HOUR); - long time = 0L; - - StringTokenizer st = new StringTokenizer(coordinates, ", "); - while (st.hasMoreTokens()) { - try { - String lon = st.nextToken(); - String lat = st.nextToken(); - String alt = st.nextToken(); - if (Config.LOGD) { - Log.d(LOG_TAG, - "lon=" + lon + ", lat=" + lat + ", alt=" + alt); - } - - double nLongitude = Double.parseDouble(lon); - double nLatitude = Double.parseDouble(lat); - double nAltitude = Double.parseDouble(alt); - - Location nLoc = new Location(getName()); - nLoc.setLatitude(nLatitude); - nLoc.setLongitude(nLongitude); - if (loc != null) { - double distance = loc.distanceTo(nLoc); - if (Config.LOGD) { - Log.d(LOG_TAG, "distance = " + distance); - } - time += (long) (distance * MILLIS_PER_METER); - } - - Waypoint w = new Waypoint(getName(), time, - nLatitude, nLongitude, nAltitude); - if (supportsSpeed()) { - w.setSpeed(mTrackSpeed); - } - if (supportsBearing()) { - w.setBearing(0.0f); - } - mWaypoints.add(w); - - if (mInitialLocation == null) { - mInitialLocation = w.getLocation(); - } - - loc = nLoc; - } catch (NumberFormatException nfe) { - Log.e(LOG_TAG, "Got NumberFormatException reading KML data: " + - nfe, nfe); - } - } - - setTimes(); - return; - } catch (IOException ioe) { - mWaypoints.clear(); - Log.e(LOG_TAG, "Exception reading KML data: " + ioe, ioe); - // fall through - } catch (XmlPullParserException xppe) { - mWaypoints.clear(); - Log.e(LOG_TAG, "Exception reading KML data: " + xppe, xppe); - // fall through - } finally { - close(kmlReader); - } - } - - public void readNmea(String name, File file) { - BufferedReader br = null; - try { - br = new BufferedReader(new FileReader(file), 8192); - String s; - - String provider = getName(); - NmeaParser parser = new NmeaParser(name); - while ((s = br.readLine()) != null) { - boolean newWaypoint = parser.parseSentence(s); - if (newWaypoint) { - Location loc = parser.getLocation(); - Waypoint w = new Waypoint(loc); - mWaypoints.add(w); - // Log.i(TAG, "Got waypoint " + w); - } - } - - setTimes(); - return; - } catch (IOException ioe) { - Log.e(LOG_TAG, "Exception reading NMEA data: " + ioe); - mWaypoints.clear(); - } finally { - close(br); - } - } - - private static boolean booleanVal(String tf) { - return (tf == null) || (tf.equalsIgnoreCase("true")); - } - - private static int intVal(String val) { - try { - return (val == null) ? 0 : Integer.parseInt(val); - } catch (NumberFormatException nfe) { - return 0; - } - } - - private static float floatVal(String val) { - try { - return (val == null) ? 0 : Float.parseFloat(val); - } catch (NumberFormatException nfe) { - return 0.0f; - } - } - - public void readProperties(File propertiesFile) { - BufferedReader br = null; - if (!propertiesFile.exists()) { - return; - } - try { - if (Config.LOGD) { - Log.d(LOG_TAG, "Loading properties file " + - propertiesFile.getPath()); - } - br = new BufferedReader(new FileReader(propertiesFile), 8192); - - String s; - while ((s = br.readLine()) != null) { - StringTokenizer st = new StringTokenizer(s); - String command = null; - String value = null; - if (!st.hasMoreTokens()) { - continue; - } - command = st.nextToken(); - if (st.hasMoreTokens()) { - value = st.nextToken(); - } - - if (command.equalsIgnoreCase("requiresNetwork")) { - setRequiresNetwork(booleanVal(value)); - } else if (command.equalsIgnoreCase("requiresSatellite")) { - setRequiresSatellite(booleanVal(value)); - } else if (command.equalsIgnoreCase("requiresCell")) { - setRequiresCell(booleanVal(value)); - } else if (command.equalsIgnoreCase("hasMonetaryCost")) { - setHasMonetaryCost(booleanVal(value)); - } else if (command.equalsIgnoreCase("supportsAltitude")) { - setSupportsAltitude(booleanVal(value)); - } else if (command.equalsIgnoreCase("supportsBearing")) { - setSupportsBearing(booleanVal(value)); - } else if (command.equalsIgnoreCase("repeat")) { - setRepeat(booleanVal(value)); - } else if (command.equalsIgnoreCase("supportsSpeed")) { - setSupportsSpeed(booleanVal(value)); - } else if (command.equalsIgnoreCase("powerRequirement")) { - setPowerRequirement(intVal(value)); - } else if (command.equalsIgnoreCase("accuracy")) { - setAccuracy(intVal(value)); - } else if (command.equalsIgnoreCase("trackspeed")) { - setTrackSpeed(floatVal(value)); - } else { - Log.e(LOG_TAG, "Unknown command \"" + command + "\""); - } - } - } catch (IOException ioe) { - Log.e(LOG_TAG, "IOException reading properties file " + - propertiesFile.getPath(), ioe); - } finally { - try { - if (br != null) { - br.close(); - } - } catch (IOException e) { - Log.w(LOG_TAG, "IOException closing properties file " + - propertiesFile.getPath(), e); - } - } - } - - public TrackProvider(String name, ILocationManager locationManager) { - super(name, locationManager); - setTimes(); - } - - public TrackProvider(String name, ILocationManager locationManager, File file) { - this(name, locationManager); - - String filename = file.getName(); - if (filename.endsWith("kml")) { - readKml(file); - } else if (filename.endsWith("nmea")) { - readNmea(getName(), file); - } else if (filename.endsWith("track")) { - readTrack(file); - } else { - Log.e(LOG_TAG, "Can't initialize TrackProvider from file " + - filename + " (not *kml, *nmea, or *track)"); - } - setTimes(); - } - - private void setTimes() { - mBaseTime = System.currentTimeMillis(); - if (mWaypoints.size() >= 2) { - mMinTime = mWaypoints.get(0).getTime(); - mMaxTime = mWaypoints.get(mWaypoints.size() - 1).getTime(); - } else { - mMinTime = mMaxTime = 0; - } - } - - private double interp(double d0, double d1, float frac) { - return d0 + frac * (d1 - d0); - } - - private void update() { - long time = System.currentTimeMillis() - mBaseTime; - - List<Waypoint> waypoints = mWaypoints; - if (waypoints == null) { - return; - } - int size = waypoints.size(); - if (size < 2) { - return; - } - - long t = time; - if (t < mMinTime) { - t = mMinTime; - } - if (mRepeat) { - t -= mMinTime; - long deltaT = mMaxTime - mMinTime; - t %= 2 * deltaT; - if (t > deltaT) { - t = 2 * deltaT - t; - } - t += mMinTime; - } else if (t > mMaxTime) { - t = mMaxTime; - } - - // Locate the time interval for the current time - // We slide the window since we don't expect to move - // much between calls - - Waypoint w0 = waypoints.get(mWaypointIndex); - Waypoint w1 = waypoints.get(mWaypointIndex + 1); - - // If the right end of the current interval is too early, - // move forward to the next waypoint - while (t > w1.getTime()) { - w0 = w1; - w1 = waypoints.get(++mWaypointIndex + 1); - } - // If the left end of the current interval is too late, - // move back to the previous waypoint - while (t < w0.getTime()) { - w1 = w0; - w0 = waypoints.get(--mWaypointIndex); - } - - // Now we know that w0.mTime <= t <= w1.mTime - long w0Time = w0.getTime(); - long w1Time = w1.getTime(); - long dt = w1Time - w0Time; - - float frac = (dt == 0) ? 0 : ((float) (t - w0Time) / dt); - mLatitude = interp(w0.getLatitude(), w1.getLatitude(), frac); - mLongitude = interp(w0.getLongitude(), w1.getLongitude(), frac); - mHasAltitude = w0.hasAltitude() && w1.hasAltitude(); - if (mSupportsAltitude && mHasAltitude) { - mAltitude = interp(w0.getAltitude(), w1.getAltitude(), frac); - } - if (mSupportsBearing) { - mHasBearing = frac <= 0.5f ? w0.hasBearing() : w1.hasBearing(); - if (mHasBearing) { - mBearing = frac <= 0.5f ? w0.getBearing() : w1.getBearing(); - } - } - if (mSupportsSpeed) { - mHasSpeed = frac <= 0.5f ? w0.hasSpeed() : w1.hasSpeed(); - if (mHasSpeed) { - mSpeed = frac <= 0.5f ? w0.getSpeed() : w1.getSpeed(); - } - } - mLastTime = time; - mTime = time; - } - - public void setRequiresNetwork(boolean requiresNetwork) { - mRequiresNetwork = requiresNetwork; - } - - @Override public boolean requiresNetwork() { - return mRequiresNetwork; - } - - public void setRequiresSatellite(boolean requiresSatellite) { - mRequiresSatellite = requiresSatellite; - } - - @Override public boolean requiresSatellite() { - return mRequiresSatellite; - } - - public void setRequiresCell(boolean requiresCell) { - mRequiresCell = requiresCell; - } - - @Override public boolean requiresCell() { - return mRequiresCell; - } - - public void setHasMonetaryCost(boolean hasMonetaryCost) { - mHasMonetaryCost = hasMonetaryCost; - } - - @Override public boolean hasMonetaryCost() { - return mHasMonetaryCost; - } - - public void setSupportsAltitude(boolean supportsAltitude) { - mSupportsAltitude = supportsAltitude; - } - - @Override public boolean supportsAltitude() { - return mSupportsAltitude; - } - - public void setSupportsSpeed(boolean supportsSpeed) { - mSupportsSpeed = supportsSpeed; - } - - @Override public boolean supportsSpeed() { - return mSupportsSpeed; - } - - public void setSupportsBearing(boolean supportsBearing) { - mSupportsBearing = supportsBearing; - } - - @Override public boolean supportsBearing() { - return mSupportsBearing; - } - - public void setRepeat(boolean repeat) { - mRepeat = repeat; - } - - public void setPowerRequirement(int powerRequirement) { - if (powerRequirement < Criteria.POWER_LOW || - powerRequirement > Criteria.POWER_HIGH) { - throw new IllegalArgumentException("powerRequirement = " + - powerRequirement); - } - mPowerRequirement = powerRequirement; - } - - @Override public int getPowerRequirement() { - return mPowerRequirement; - } - - public void setAccuracy(int accuracy) { - mAccuracy = accuracy; - } - - @Override public int getAccuracy() { - return mAccuracy; - } - - public void setTrackSpeed(float trackSpeed) { - mTrackSpeed = trackSpeed; - } - - @Override public synchronized void enable() { - mEnabled = true; - mThread = new TrackProviderThread(); - mThread.start(); - } - - @Override public synchronized void disable() { - mEnabled = false; - if (mThread != null) { - mThread.setDone(); - try { - mThread.join(); - } catch (InterruptedException e) { - } - mThread = null; - } - } - - @Override public boolean isEnabled() { - return mEnabled; - } - - @Override public int getStatus(Bundle extras) { - return AVAILABLE; - } - - public Location getInitialLocation() { - return mInitialLocation; - } -} - -/** - * A simple tuple of (time stamp, latitude, longitude, altitude), plus optional - * extras. - * - * {@hide} - */ -class Waypoint { - public Location mLocation; - - public Waypoint(Location location) { - mLocation = location; - } - - public Waypoint(String providerName, long time, double latitude, double longitude, - double altitude) { - mLocation = new Location(providerName); - mLocation.setTime(time); - mLocation.setLatitude(latitude); - mLocation.setLongitude(longitude); - mLocation.setAltitude(altitude); - } - - public long getTime() { - return mLocation.getTime(); - } - - public double getLatitude() { - return mLocation.getLatitude(); - } - - public double getLongitude() { - return mLocation.getLongitude(); - } - - public boolean hasAltitude() { - return mLocation.hasAltitude(); - } - - public double getAltitude() { - return mLocation.getAltitude(); - } - - public boolean hasBearing() { - return mLocation.hasBearing(); - } - - public void setBearing(float bearing) { - mLocation.setBearing(bearing); - } - - public float getBearing() { - return mLocation.getBearing(); - } - - public boolean hasSpeed() { - return mLocation.hasSpeed(); - } - - public void setSpeed(float speed) { - mLocation.setSpeed(speed); - } - - public float getSpeed() { - return mLocation.getSpeed(); - } - - public Bundle getExtras() { - return mLocation.getExtras(); - } - - public Location getLocation() { - return new Location(mLocation); - } - - @Override public String toString() { - return "Waypoint[mLocation=" + mLocation + "]"; - } -} |