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/* * Copyright 2011 mapsforge.org//from www. j av a 2 s . c o m * * This program 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. * * This program 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 org.muxe.advancedtouristmap.routing; import java.io.File; import org.mapsforge.android.maps.GeoPoint; import org.mapsforge.core.Edge; import org.mapsforge.core.GeoCoordinate; import org.mapsforge.core.Router; import org.mapsforge.core.Vertex; import org.muxe.advancedtouristmap.BaseActivity; import org.muxe.advancedtouristmap.LocationPicker; import org.muxe.advancedtouristmap.PositionInfo; import org.muxe.advancedtouristmap.R; import org.muxe.advancedtouristmap.Search; import org.muxe.advancedtouristmap.Utility; import org.muxe.advancedtouristmap.sourcefiles.RoutingFile; import android.app.AlertDialog; import android.app.Dialog; import android.app.ProgressDialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.location.Location; import android.location.LocationListener; import android.location.LocationManager; import android.location.LocationProvider; import android.os.AsyncTask; import android.os.Bundle; import android.util.Log; import android.view.View; import android.view.View.OnClickListener; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.ImageButton; import android.widget.RelativeLayout; import android.widget.Spinner; import android.widget.TextView; import android.widget.Toast; public class RouteCalculator extends BaseActivity { static final String TAG = RouteCalculator.class.getSimpleName(); protected static final int INTENT_SEARCH = 0; protected static final int INTENT_MAP = 1; protected static final int START_FIELD = 0; protected static final int DEST_FIELD = 1; protected static final int DIALOG_CHOOSE_INPUT = 0; private static final String SAVE_START_LAT = "saved_start_lat"; private static final String SAVE_START_LON = "saved_start_lon"; private static final String SAVE_DEST_LAT = "saved_dest_lat"; private static final String SAVE_DEST_LON = "saved_dest_lon"; private static final String SAVE_RF_POSITION = "saved_dest_lon"; GeoPoint startPoint; GeoPoint destPoint; ImageButton chooseStartButton; ImageButton chooseDestButton; private Button calcRouteButton; private EditText startEditText; private EditText destEditText; private RelativeLayout refiningPositionRow; private TextView refiningPositionText; int viewToSet; ProgressDialog progressDialog; private LocationManager locationManager; private LocationListener locationListener; Location currentBestLocation; Spinner routingFileSpinner; private int spinnerSelection; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); Log.d("lifecycle", "routeCalculator onCreate"); this.advancedMapViewer.setViewWithHelp(this, R.layout.activity_calculate_route); Intent startingIntent = getIntent(); if (startingIntent.hasExtra("lat") && startingIntent.hasExtra("lon")) { this.destPoint = new GeoPoint(startingIntent.getDoubleExtra("lat", 0.0), startingIntent.getDoubleExtra("lon", 0.0)); } this.startEditText = (EditText) findViewById(R.id.calculate_route_edittext_start); this.destEditText = (EditText) findViewById(R.id.calculate_route_edittext_dest); this.chooseStartButton = (ImageButton) findViewById(R.id.calculate_route_button_choose_start); this.chooseDestButton = (ImageButton) findViewById(R.id.calculate_route_button_choose_dest); this.calcRouteButton = (Button) findViewById(R.id.calculate_route_button_calculate); this.routingFileSpinner = (Spinner) findViewById(R.id.calculate_route_spinner_routing_file); this.refiningPositionRow = (RelativeLayout) findViewById(R.id.routing_loading_position); this.refiningPositionText = (TextView) findViewById(R.id.routing_refining_position_text); OnClickListener startDestChooserListener = new OnClickListener() { @Override public void onClick(View v) { if (v.getId() == RouteCalculator.this.chooseStartButton.getId()) { RouteCalculator.this.viewToSet = RouteCalculator.START_FIELD; } else if (v.getId() == RouteCalculator.this.chooseDestButton.getId()) { RouteCalculator.this.viewToSet = RouteCalculator.DEST_FIELD; } // open a dialog to select method to chose start/dest showDialog(DIALOG_CHOOSE_INPUT); } }; this.chooseStartButton.setOnClickListener(startDestChooserListener); this.chooseDestButton.setOnClickListener(startDestChooserListener); this.calcRouteButton.setOnClickListener(new OnClickListener() { @Override public void onClick(View v) { // TODO: if no routing file selected? // still nullpointer exception on no routing files RoutingFile rf = (RoutingFile) RouteCalculator.this.routingFileSpinner .getSelectedItem(); if (RouteCalculator.this.startPoint == null) { Toast.makeText(RouteCalculator.this, getString(R.string.routing_no_start_selected), Toast.LENGTH_LONG) .show(); return; } if (RouteCalculator.this.destPoint == null) { Toast.makeText(RouteCalculator.this, getString(R.string.routing_no_destination_selected), Toast.LENGTH_LONG).show(); return; } new CalculateRouteAsync().execute(rf); } }); } @Override protected void onActivityResult(int requestCode, int resultCode, Intent data) { if (requestCode == INTENT_SEARCH) { if (resultCode == RESULT_OK) { if (data != null && data.hasExtra("lon") && data.hasExtra("lat")) { double lon = data.getDoubleExtra("lon", 0.0); double lat = data.getDoubleExtra("lat", 0.0); GeoPoint point = new GeoPoint(lat, lon); if (this.viewToSet == RouteCalculator.START_FIELD) { this.startPoint = point; } else { this.destPoint = point; } } } } else if (requestCode == INTENT_MAP) { // TODO: not DRY yet // TODO: find nearest vertex first? if (resultCode == RESULT_OK) { if (data != null && data.hasExtra("LONGITUDE") && data.hasExtra("LATITUDE")) { double lon = data.getDoubleExtra("LONGITUDE", 0.0); double lat = data.getDoubleExtra("LATITUDE", 0.0); GeoPoint point = new GeoPoint(lat, lon); if (this.viewToSet == RouteCalculator.START_FIELD) { this.startPoint = point; } else { this.destPoint = point; } } } } } @Override protected Dialog onCreateDialog(int dialogId) { AlertDialog.Builder builder = new AlertDialog.Builder(this); if (dialogId == DIALOG_CHOOSE_INPUT) { final String[] items = getResources().getStringArray( R.array.routing_point_picker_values); final String[] items_keys = getResources().getStringArray( R.array.routing_point_picker_keys); builder.setTitle(R.string.dialog_title_find_location); builder.setItems(items, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int item) { if (items_keys[item].equals("ADDRESS")) { if (RouteCalculator.this.advancedMapViewer.getCurrentMapBundle() .isSearchable()) { startActivityForResult(new Intent(RouteCalculator.this, Search.class), INTENT_SEARCH); } else { // TODO: Toast.makeText(RouteCalculator.this, getString(R.string.addressfile_not_avaiable), Toast.LENGTH_LONG).show(); } } else if (items_keys[item].equals("POSITION")) { startPositionSearch(); } else if (items_keys[item].equals("MAP")) { startActivityForResult(new Intent(RouteCalculator.this, LocationPicker.class), INTENT_MAP); // new Intent(RouteCalculator.this, AdvancedMapViewer.class) // .putExtra("mode", "LOCATION_PICKER"), INTENT_MAP); } } }); return builder.create(); } return null; } @Override protected void onResume() { super.onResume(); Log.d("lifecycle", "routeCalculator onResume"); if (this.locationManager == null) { this.locationManager = (LocationManager) getSystemService(Context.LOCATION_SERVICE); } if (this.startPoint != null) { changeStartStop(START_FIELD, this.startPoint); // this.startEditText.setText(this.startPoint.getLatitude() + " " // + this.startPoint.getLongitude()); } if (this.destPoint != null) { changeStartStop(DEST_FIELD, this.destPoint); // this.destEditText.setText(this.destPoint.getLatitude() + " " // + this.destPoint.getLongitude()); } RoutingFile[] routingFiles = this.advancedMapViewer.getCurrentMapBundle() .getRoutingFilesArray(); ArrayAdapter<RoutingFile> adapter = new ArrayAdapter<RoutingFile>(this, android.R.layout.simple_spinner_item, routingFiles); adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); this.routingFileSpinner.setAdapter(adapter); Log.d(TAG, "this.spinnerSelection: " + this.spinnerSelection); this.routingFileSpinner.setSelection(this.spinnerSelection); } void startPositionSearch() { // TODO: exit strategy (timer and/or when signal stabilized) // check if already running, if so, stop first if (this.locationListener != null) { stopPositionSearch(); } //display animation this.refiningPositionRow.setVisibility(View.VISIBLE); // get cached locations first Location currentLocation; for (String provider : this.locationManager.getProviders(true)) { currentLocation = this.locationManager.getLastKnownLocation(provider); if (currentLocation != null) { if (Utility.isBetterLocation(currentLocation, this.currentBestLocation)) { this.currentBestLocation = currentLocation; changeStartStop(RouteCalculator.this.viewToSet, new GeoPoint( currentLocation.getLatitude(), currentLocation.getLongitude())); Log.d(TAG, "got better cached location from: " + provider + " (" + currentLocation.getAccuracy() + ")"); RouteCalculator.this.refiningPositionText.setText(getString(R.string.refining_position) + " (" + currentLocation.getAccuracy() + " m)"); } else { Log.d(TAG, "dismissed location from: " + provider + " (" + currentLocation.getAccuracy() + ")"); } } } this.locationListener = new LocationListener() { @Override public void onLocationChanged(Location location) { // GeoPoint point = new GeoPoint(location.getLatitude(), // location.getLongitude()); if (Utility.isBetterLocation(location, RouteCalculator.this.currentBestLocation)) { RouteCalculator.this.currentBestLocation = location; Log.d(TAG, "better location from: " + location.getProvider() + " (" + location.getAccuracy() + ")"); changeStartStop(RouteCalculator.this.viewToSet, new GeoPoint(location.getLatitude(), location.getLongitude())); //show accuracy in loading message RouteCalculator.this.refiningPositionText.setText(getString(R.string.refining_position) + " (" + location.getAccuracy() + " m)"); } else { Log.d(TAG, "dismissed location from: " + location.getProvider() + " (" + location.getAccuracy() + ")"); } } @Override public void onProviderDisabled(String provider) { } @Override public void onProviderEnabled(String provider) { // do nothing } @Override public void onStatusChanged(String provider, int status, Bundle extras) { if (status == LocationProvider.AVAILABLE) { } else if (status == LocationProvider.OUT_OF_SERVICE) { } else { // must be TEMPORARILY_UNAVAILABLE } } }; this.locationManager.requestLocationUpdates(LocationManager.GPS_PROVIDER, 1000, 0, this.locationListener); this.locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 1000, 0, this.locationListener); } @Override protected void onPause() { super.onPause(); Log.d("lifecycle", "routeCalculator onPause"); stopPositionSearch(); } private void stopPositionSearch() { if (this.locationListener != null) { this.locationManager.removeUpdates(this.locationListener); this.locationListener = null; this.refiningPositionRow.setVisibility(View.GONE); } } void changeStartStop(int field, GeoPoint point) { String infoText = point.getLatitude() + " " + point.getLongitude(); if (this.advancedMapViewer.getCurrentMapBundle().isRoutable()) { //TODO: may halt on slow phones Router router = this.advancedMapViewer.getRouter(); if (router != null) { Vertex nearestVertex = router.getNearestVertex(new GeoCoordinate(point .getLatitude(), point.getLongitude())); if (nearestVertex != null) { infoText = PositionInfo.edgesToStringInfo(nearestVertex.getOutboundEdges()); if (infoText.equals("")) { infoText = getString(R.string.positioninfo_unknown_road); } } } } if (field == RouteCalculator.START_FIELD) { this.startPoint = point; this.startEditText.setText(infoText); } else if (field == RouteCalculator.DEST_FIELD) { this.destPoint = point; this.destEditText.setText(infoText); } } private class CalculateRouteAsync extends AsyncTask<RoutingFile, Void, Route> { public CalculateRouteAsync() { super(); } @Override protected void onPreExecute() { RouteCalculator.this.progressDialog = ProgressDialog.show(RouteCalculator.this, "", getString(R.string.loading_message), true); } @Override protected Route doInBackground(RoutingFile... routingFiles) { // calculate RoutingFile rf = null; try { rf = routingFiles[0]; } catch (ArrayIndexOutOfBoundsException e) { return null; } String path = RouteCalculator.this.advancedMapViewer.getBaseBundlePath() + File.separator + rf.getRelativePath(); Router router = RouteCalculator.this.advancedMapViewer.getRouter(path); if (router == null) { return null; } Vertex start = router.getNearestVertex(new GeoCoordinate( RouteCalculator.this.startPoint.getLatitude(), RouteCalculator.this.startPoint.getLongitude())); Vertex dest = router.getNearestVertex(new GeoCoordinate( RouteCalculator.this.destPoint.getLatitude(), RouteCalculator.this.destPoint.getLongitude())); if (start == null || dest == null) { return null; } Edge[] edges = router.getShortestPath(start.getId(), dest.getId()); // try { // Thread.sleep(10000); // } catch (InterruptedException e) { // // } if (edges.length > 0) { Route route = new Route(edges); Log.d(TAG, "done"); Log.d(TAG, "length: " + edges.length); return route; } return null; } @Override protected void onPostExecute(Route route) { // remove progress bar RouteCalculator.this.progressDialog.dismiss(); // show route if (route != null) { RouteCalculator.this.advancedMapViewer.currentRoute = route; startActivity(new Intent(RouteCalculator.this, RouteList.class)); } else { Log.d(TAG, "No Route Found"); Toast.makeText(RouteCalculator.this, getString(R.string.routing_no_route_found), Toast.LENGTH_LONG).show(); } } } @Override protected void onRestoreInstanceState(Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); double startLat = savedInstanceState.getDouble(SAVE_START_LAT); double startLon = savedInstanceState.getDouble(SAVE_START_LON); double destLat = savedInstanceState.getDouble(SAVE_DEST_LAT); double destLon = savedInstanceState.getDouble(SAVE_DEST_LON); int rfPosition = savedInstanceState.getInt(SAVE_RF_POSITION, -1); Log.d(TAG, "rfPosition: " + rfPosition); if (startLat != 0.0 && startLon != 0.0) { this.startPoint = new GeoPoint(startLat, startLon); } if (destLat != 0.0 && destLon != 0.0) { this.destPoint = new GeoPoint(destLat, destLon); } if (rfPosition >= 0) { this.spinnerSelection = rfPosition; } } @Override protected void onSaveInstanceState(Bundle outState) { if (this.startPoint != null) { outState.putDouble(SAVE_START_LAT, this.startPoint.getLatitude()); outState.putDouble(SAVE_START_LON, this.startPoint.getLongitude()); } if (this.destPoint != null) { outState.putDouble(SAVE_DEST_LAT, this.destPoint.getLatitude()); outState.putDouble(SAVE_DEST_LON, this.destPoint.getLongitude()); } if (this.routingFileSpinner.getSelectedItemPosition() != Spinner.INVALID_POSITION) { Log.d(TAG, "saved Position: " + this.routingFileSpinner.getSelectedItemPosition()); outState.putInt(SAVE_RF_POSITION, this.routingFileSpinner.getSelectedItemPosition()); } super.onSaveInstanceState(outState); } }