--- android/TrainInfo/src/dk/thoerup/traininfo/TrainInfoList.java 2009/08/09 11:48:36 242 +++ android/TrainInfo/src/dk/thoerup/traininfo/StationList.java 2009/10/08 11:50:46 420 @@ -1,60 +1,208 @@ package dk.thoerup.traininfo; +import java.util.ArrayList; +import java.util.List; +import java.util.Locale; + import android.app.AlertDialog; import android.app.Dialog; import android.app.ListActivity; import android.app.ProgressDialog; import android.content.DialogInterface; import android.content.Intent; +import android.location.Address; +import android.location.Geocoder; +import android.location.Location; import android.os.AsyncTask; import android.os.Bundle; import android.os.Handler; import android.os.Message; +import android.util.Log; +import android.view.LayoutInflater; +import android.view.Menu; +import android.view.MenuItem; import android.view.View; +import android.widget.EditText; import android.widget.ListView; +import dk.thoerup.traininfo.provider.ProviderFactory; +import dk.thoerup.traininfo.provider.StationProvider; +import dk.thoerup.traininfo.stationmap.GeoPair; +import dk.thoerup.traininfo.stationmap.StationMapView; +import dk.thoerup.traininfo.util.MessageBox; + +public class StationList extends ListActivity { + public static final int GOTLOCATION = 1001; + public static final int GOTSTATIONLIST = 1002; + public static final int NOPROVIDER = 1003; + public static final int LOCATIONFIXTIMEOUT = 1004; + + public static final int OPTIONS_RESCAN = 2001; + public static final int OPTIONS_NAMESEARCH = 2002; + public static final int OPTIONS_MAP = 2003; + public static final int OPTIONS_ABOUT = 2004; -public class TrainInfoList extends ListActivity { - public static final int GOTLOCATION = 1; - public static final int GOTSTATIONLIST = 2; - public static final int NOPROVIDER = 3; - public static final int FIXTIMEOUT = 4; - public static final int LOOKUPSTATIONFAILED = 5; - public static final int DLG_PROGRESS = 1; + public static final int DLG_PROGRESS = 3001; + public static final int DLG_STATIONNAME = 3002; /** Called when the activity is first created. */ + String dialogMessage = ""; ProgressDialog dialog; - StationLocator locator = null; - LocatorTask locatorTask = new LocatorTask(); + LocationLookup locator = null; + LocatorTask locatorTask; + StationsFetchedHandler stationsFetched = new StationsFetchedHandler(); - boolean isRunning; - + GeoPair location = new GeoPair(); + + boolean isRunning = false; + List stations = new ArrayList(); + + StationProvider stationProvider = ProviderFactory.getStationProvider(); + StationListAdapter adapter = null; + + static enum LookupMethod { + ByLocation, + ByName, + MethodNone + } + + /////////////////////////////////////////////////////////////////////////////////////////// + //Activity call backs + + @SuppressWarnings("unchecked") @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); - //StationLocator.injectMockLocation(this); adapter = new StationListAdapter(this); setListAdapter(adapter); - locator = new StationLocator(this, stationsFetched); - - startLookup(); + locator = new LocationLookup(this, stationsFetched); + if (savedInstanceState == null) { + startLookup(); + } else { + stations = (ArrayList) savedInstanceState.getSerializable("stations"); + adapter.setStations(stations); + location = (GeoPair) savedInstanceState.getSerializable("location"); + } } + + + @Override + public void onSaveInstanceState(Bundle outState) + { + if (dialog != null && dialog.isShowing()) + dialog.dismiss(); + outState.putSerializable("stations", (ArrayList) stations); + outState.putSerializable("location", location); + } @Override + public boolean onCreateOptionsMenu(Menu menu) { + MenuItem item; + + item = menu.add(0, OPTIONS_RESCAN, 0, "Find nearest stations"); + item.setIcon(android.R.drawable.ic_menu_mylocation); + + item = menu.add(0, OPTIONS_NAMESEARCH, 0, "Search for station"); + item.setIcon(android.R.drawable.ic_menu_search); + + item = menu.add(0, OPTIONS_MAP, 0, "Show station map"); + item.setIcon(android.R.drawable.ic_menu_mapmode); + + item = menu.add(0, OPTIONS_ABOUT, 0, "About"); + item.setIcon(android.R.drawable.ic_menu_info_details); + return true; + } + + @Override + public boolean onOptionsItemSelected(MenuItem item) { + boolean retval = true; + + + switch (item.getItemId()) { + case OPTIONS_RESCAN: + startLookup(); + break; + case OPTIONS_NAMESEARCH: + showDialog(DLG_STATIONNAME); + break; + case OPTIONS_MAP: + + Intent intent = new Intent(this,StationMapView.class); + intent.putExtra("userlocation", location ); + + ArrayList stationPoints = new ArrayList(); + for (StationBean st : stations ) { + stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) ); + } + + intent.putExtra("stations", stationPoints); + + startActivity(intent); + break; + case OPTIONS_ABOUT: + String ver = this.getResources().getString(R.string.app_version); + + Location loc = locator.getLocation(); + StringBuffer message = new StringBuffer(); + message.append("TrainInfo DK v").append(ver).append("\n"); + message.append("By Torben Nielsen\n"); + message.append("\n"); + message.append("Location info:\n"); + message.append("-Obtained by: ").append(loc != null ? loc.getProvider() : "-").append("\n"); + message.append("-Accuracy: ").append(loc != null ? (int)loc.getAccuracy() : "-").append("m\n"); + + MessageBox.showMessage(this, message.toString()); + break; + default: + retval = super.onOptionsItemSelected(item); + } + + return retval; + } + + @Override protected Dialog onCreateDialog(int id) { switch (id) { case DLG_PROGRESS: ProgressDialog dlg = new ProgressDialog(this); dlg.setMessage("Wait for location fix"); dlg.setCancelable(false); - return dlg; + return dlg; + case DLG_STATIONNAME: + LayoutInflater factory = LayoutInflater.from(this); + final View rootView = factory.inflate(R.layout.textinput, null); + + + AlertDialog.Builder builder = new AlertDialog.Builder(this); + + builder.setTitle("Station search"); + builder.setView(rootView); + builder.setCancelable(true); + builder.setPositiveButton("Search", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + EditText et = (EditText) rootView.findViewById(R.id.EditText); + dialog.dismiss(); + if (et.getText().toString().length() >= 2) { + startNameSearch(et.getText().toString()); + } else { + MessageBox.showMessage(StationList.this, "Two characters minimum" ); + } + } + }); + builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int which) { + dialog.dismiss(); + } + }); + return builder.create(); + default: return super.onCreateDialog(id); } @@ -62,106 +210,244 @@ } - @Override protected void onPrepareDialog(int id, Dialog dialog) { super.onPrepareDialog(id, dialog); switch (id) { case DLG_PROGRESS: this.dialog = (ProgressDialog) dialog; + if (!dialogMessage.equals("")) { + this.dialog.setMessage(dialogMessage); + dialogMessage = ""; + } break; } } + + @Override + protected void onListItemClick(ListView l, View v, int position, long id) { + super.onListItemClick(l, v, position, id); + + StationBean station = stations.get(position); + + double latitude = station.getLatitude(); + double longitude = station.getLongitude(); + + + + Intent intent = new Intent(this, DepartureList.class); + intent.putExtra("name", station.getName()); + intent.putExtra("distance", station.getDistance()); + intent.putExtra("latitude", latitude); + intent.putExtra("longitude", longitude); + intent.putExtra("stationid", station.getId()); + intent.putExtra("address", station.getAddress()); + startActivity(intent); + } + + ///////////////////////////////////////////////////////////// + // public void startLookup() { isRunning = true; + dialogMessage = "Wait for location fix"; showDialog(DLG_PROGRESS); locator.locateStations(); - stationsFetched.sendEmptyMessageDelayed(FIXTIMEOUT, 20000); + stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000); } + + void startNameSearch(String name) { + dialogMessage = "Finding stations by name"; + showDialog(DLG_PROGRESS); + + locatorTask = new LocatorTask(); + locatorTask.searchByName(name, locator.getLocation()); + locatorTask.execute(); + + } + + + void startLocatorTask() + { + dialogMessage = "Finding nearby stations"; + showDialog(DLG_PROGRESS); + + locatorTask = new LocatorTask(); + locatorTask.searchByLocation( locator.getLocation() ); + locatorTask.execute(); + } + - Handler stationsFetched = new Handler() { + String lookupAddress(double latitude, double longitude) { + + Geocoder coder = new Geocoder(this, new Locale("da")); + StringBuilder sb = new StringBuilder(); + Log.i("lookupaddr", "" + latitude + "/" + longitude); + try { + List
addressList = coder.getFromLocation(latitude, longitude, 1); + Address addr = addressList.get(0); + + + int max = addr.getMaxAddressLineIndex(); + for (int i=0; i0) + sb.append(", "); + + sb.append(addr.getAddressLine(i)); + } + + + } catch (Exception e) { + Log.e("DepartureList", "geocoder failed", e); + } + + return sb.toString(); + } + + + //////////////////////////////////////////////////////////////////////////// + // Inner classes + + class StationsFetchedHandler extends Handler { @Override public void handleMessage(Message msg) { - + switch (msg.what) { case GOTLOCATION: - dialog.setMessage("Finding nearby stations"); - locatorTask.execute(); - break; - case GOTSTATIONLIST: - dialog.dismiss(); - adapter.setStations( locator.getStations() ); + dismissDialog(DLG_PROGRESS); + + startLocatorTask(); + location = GeoPair.fromLocation( locator.getLocation() ); + break; + case NOPROVIDER: - dialog.dismiss(); - showMessageBox("No location provider enabled. Plase enable gps."); + dismissDialog(DLG_PROGRESS); + MessageBox.showMessage(StationList.this,"No location provider enabled. Plase enable gps."); break; - case FIXTIMEOUT: - dialog.dismiss(); + case LOCATIONFIXTIMEOUT: if (isRunning) { - locator.abortLocationListener(); - showMessageBox("GPS fix timed out"); + locator.stopSearch(); + if (locator.hasLocation()) { + stationsFetched.sendEmptyMessage( GOTLOCATION ); + } else { + dismissDialog(DLG_PROGRESS); + + AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); + builder.setMessage("Location fix timed out"); + builder.setCancelable(true); + builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + dialog.dismiss(); + startLookup(); + + } + }); + builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + dialog.dismiss(); + } + }); + builder.show(); + + } } break; - case LOOKUPSTATIONFAILED: - dialog.dismiss(); - showMessageBox("Error on finding nearby stations"); - break; } - isRunning = false; } }; + - - - @Override - protected void onListItemClick(ListView l, View v, int position, long id) { - super.onListItemClick(l, v, position, id); + class LocatorTask extends AsyncTask { - StationBean station = adapter.getStation(position); + LookupMethod method = LookupMethod.MethodNone; + boolean success; + String name; + Location loc; + public void searchByName(String n, Location l) { + + method = LookupMethod.ByName; + loc = l; + name = n; + } + + public void searchByLocation(Location l) { + method = LookupMethod.ByLocation; + loc = l; + } - Intent intent = new Intent(this, DepartureList.class); - intent.putExtra("name", station.getName()); - intent.putExtra("address", station.getAddress()); - intent.putExtra("distance", station.getDistance()); - intent.putExtra("latitude", station.getLatitude()); - intent.putExtra("longitude", station.getLongitude()); - startActivity(intent); - } - - public void showMessageBox(String message) { - AlertDialog.Builder builder = new AlertDialog.Builder(this); - builder.setMessage(message) - .setCancelable(false) - .setPositiveButton("OK", new DialogInterface.OnClickListener() { - public void onClick(DialogInterface dialog, int id) { - dialog.dismiss(); - } - }) - .show(); - - } - - class LocatorTask extends AsyncTask { @Override protected void onPreExecute() { + + if (method.equals(LookupMethod.MethodNone)) + throw new RuntimeException("Method not set"); super.onPreExecute(); } @Override protected Void doInBackground(Void... params) { - locator.findNearestStations(); + + if (method.equals(LookupMethod.ByLocation)) + success = stationProvider.lookupStations(loc); + + if (method.equals(LookupMethod.ByName)) + success = stationProvider.lookupStations(name); + + Location dummy = new Location("gps"); + List stations = stationProvider.getStations(); + + for (StationBean station : stations) { + String addr = lookupAddress(station.getLatitude(), station.getLongitude()); + station.setAddress(addr); + + if (method.equals(LookupMethod.ByName) ) { + dummy.setLatitude(station.getLatitude()); + dummy.setLongitude(station.getLongitude()); + station.setDistance( (int)loc.distanceTo(dummy) ); + } + } + return null; } @Override protected void onPostExecute(Void result) { super.onPostExecute(result); + dialog.dismiss(); + + if (success) { + if (stationProvider.getStations().size() == 0) + MessageBox.showMessage(StationList.this, "No stations found!"); // this should not be possible !?! + stations = stationProvider.getStations(); + adapter.setStations( stations ); + + } else { //communication or parse errors + AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); + builder.setMessage("Error on finding nearby stations"); + builder.setCancelable(true); + builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + dialog.dismiss(); + + stationsFetched.post( new Runnable() { + @Override + public void run() { + startLocatorTask(); + } + }); + } + }); + builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { + public void onClick(DialogInterface dialog, int id) { + dialog.dismiss(); + } + }); + builder.show(); + } } } } \ No newline at end of file