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package dk.thoerup.traininfo; |
package dk.thoerup.traininfo; |
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import java.util.ArrayList; |
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import java.util.List; |
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import java.util.Locale; |
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import android.app.AlertDialog; |
import android.app.AlertDialog; |
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import android.app.Dialog; |
import android.app.Dialog; |
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import android.app.ListActivity; |
import android.app.ListActivity; |
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import android.app.ProgressDialog; |
import android.app.ProgressDialog; |
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import android.content.DialogInterface; |
import android.content.DialogInterface; |
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import android.content.Intent; |
import android.content.Intent; |
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import android.content.SharedPreferences; |
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import android.content.SharedPreferences.Editor; |
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import android.location.Address; |
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import android.location.Geocoder; |
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import android.location.Location; |
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import android.os.AsyncTask; |
import android.os.AsyncTask; |
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import android.os.Bundle; |
import android.os.Bundle; |
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import android.os.Handler; |
import android.os.Handler; |
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import android.os.Message; |
import android.os.Message; |
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import android.util.Log; |
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import android.view.ContextMenu; |
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import android.view.LayoutInflater; |
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import android.view.Menu; |
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import android.view.MenuItem; |
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import android.view.View; |
import android.view.View; |
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import android.view.ContextMenu.ContextMenuInfo; |
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import android.view.View.OnCreateContextMenuListener; |
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import android.widget.AdapterView; |
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import android.widget.EditText; |
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import android.widget.ListView; |
import android.widget.ListView; |
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import android.widget.Toast; |
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import dk.thoerup.traininfo.provider.ProviderFactory; |
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import dk.thoerup.traininfo.provider.StationProvider; |
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import dk.thoerup.traininfo.stationmap.GeoPair; |
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import dk.thoerup.traininfo.stationmap.StationMapView; |
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import dk.thoerup.traininfo.util.IntSet; |
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import dk.thoerup.traininfo.util.MessageBox; |
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public class StationList extends ListActivity { |
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public static final int GOTLOCATION = 1001; |
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public static final int GOTSTATIONLIST = 1002; |
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public static final int NOPROVIDER = 1003; |
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public static final int LOCATIONFIXTIMEOUT = 1004; |
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public static final int OPTIONS_RESCAN = 2001; |
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public static final int OPTIONS_NAMESEARCH = 2002; |
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public static final int OPTIONS_MAP = 2003; |
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public static final int OPTIONS_ABOUT = 2004; |
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public static final int OPTIONS_FAVORITES = 2005; |
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public class TrainInfoList extends ListActivity { |
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public static final int GOTLOCATION = 1; |
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public static final int GOTSTATIONLIST = 2; |
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public static final int NOPROVIDER = 3; |
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public static final int FIXTIMEOUT = 4; |
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public static final int LOOKUPSTATIONFAILED = 5; |
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public static final int DLG_PROGRESS = 1; |
public static final int DLG_PROGRESS = 3001; |
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public static final int DLG_STATIONNAME = 3002; |
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static enum LookupMethod { |
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ByLocation, |
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ByName, |
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ByList, |
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MethodNone |
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} |
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/** Called when the activity is first created. */ |
String dialogMessage = ""; |
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ProgressDialog dialog; |
ProgressDialog dialog; |
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StationLocator locator = null; |
LocationLookup locator = null; |
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LocatorTask locatorTask = new LocatorTask(); |
FindStationsTask findStationsTask; |
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StationsFetchedHandler stationsFetched = new StationsFetchedHandler(); |
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boolean isRunning; |
GeoPair location = new GeoPair(); |
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boolean isRunning = false; |
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List<StationBean> stations = new ArrayList<StationBean>(); |
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StationProvider stationProvider = ProviderFactory.getStationProvider(); |
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StationListAdapter adapter = null; |
StationListAdapter adapter = null; |
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FavoritesMenu contextMenu = new FavoritesMenu(); |
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IntSet favorites = new IntSet(); |
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boolean showingFavorites = false; |
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SharedPreferences prefs; |
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/////////////////////////////////////////////////////////////////////////////////////////// |
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//Activity call backs |
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@SuppressWarnings("unchecked") |
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@Override |
@Override |
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public void onCreate(Bundle savedInstanceState) { |
public void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState); |
super.onCreate(savedInstanceState); |
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setContentView(R.layout.main); |
setContentView(R.layout.main); |
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//StationLocator.injectMockLocation(this); |
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adapter = new StationListAdapter(this); |
adapter = new StationListAdapter(this); |
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setListAdapter(adapter); |
setListAdapter(adapter); |
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locator = new StationLocator(this, stationsFetched); |
ListView lv = getListView(); |
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lv.setOnCreateContextMenuListener(contextMenu); |
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locator = new LocationLookup(this, stationsFetched); |
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prefs = getSharedPreferences("TrainStation", 0); |
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String favoriteString = prefs.getString("favorites", ""); |
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if (! favoriteString.equals("") ) { |
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favorites.fromString(favoriteString); |
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} |
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startLookup(); |
if (savedInstanceState == null) { |
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startLookup(); |
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} else { |
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stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations"); |
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adapter.setStations(stations); |
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location = (GeoPair) savedInstanceState.getSerializable("location"); |
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} |
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} |
} |
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@Override |
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public void onSaveInstanceState(Bundle outState) |
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{ |
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if (dialog != null && dialog.isShowing()) |
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dialog.dismiss(); |
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outState.putSerializable("stations", (ArrayList<StationBean>) stations); |
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outState.putSerializable("location", location); |
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} |
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@Override |
@Override |
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public boolean onCreateOptionsMenu(Menu menu) { |
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MenuItem item; |
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item = menu.add(0, OPTIONS_RESCAN, 0, "Nearest stations"); |
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item.setIcon(android.R.drawable.ic_menu_mylocation); |
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item = menu.add(0, OPTIONS_NAMESEARCH, 0, "Search for station"); |
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item.setIcon(android.R.drawable.ic_menu_search); |
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item = menu.add(0, OPTIONS_FAVORITES, 0, "Favorites"); |
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item.setIcon(android.R.drawable.ic_menu_agenda); |
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item = menu.add(0, OPTIONS_MAP, 0, "Station map"); |
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item.setIcon(android.R.drawable.ic_menu_mapmode); |
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item = menu.add(0, OPTIONS_ABOUT, 0, "About"); |
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item.setIcon(android.R.drawable.ic_menu_info_details); |
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return true; |
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} |
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@Override |
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public boolean onOptionsItemSelected(MenuItem item) { |
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boolean retval = true; |
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switch (item.getItemId()) { |
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case OPTIONS_RESCAN: |
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startLookup(); |
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break; |
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case OPTIONS_NAMESEARCH: |
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showDialog(DLG_STATIONNAME); |
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break; |
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case OPTIONS_FAVORITES: |
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startFavoriteLookup(); |
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break; |
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case OPTIONS_MAP: |
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Intent intent = new Intent(this,StationMapView.class); |
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intent.putExtra("userlocation", location ); |
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ArrayList<GeoPair> stationPoints = new ArrayList<GeoPair>(); |
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for (StationBean st : stations ) { |
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stationPoints.add( new GeoPair(st.getLatitude(), st.getLongitude(), st.getName()) ); |
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} |
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intent.putExtra("stations", stationPoints); |
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startActivity(intent); |
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break; |
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case OPTIONS_ABOUT: |
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String ver = this.getResources().getString(R.string.app_version); |
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Location loc = locator.getLocation(); |
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StringBuffer message = new StringBuffer(); |
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message.append("TrainInfo DK v").append(ver).append("\n"); |
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message.append("By Torben Nielsen\n"); |
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message.append("\n"); |
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message.append("Location info:\n"); |
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message.append("-Obtained by: ").append(loc != null ? loc.getProvider() : "-").append("\n"); |
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message.append("-Accuracy: ").append(loc != null ? (int)loc.getAccuracy() : "-").append("m\n"); |
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MessageBox.showMessage(this, message.toString()); |
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break; |
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default: |
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retval = super.onOptionsItemSelected(item); |
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} |
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return retval; |
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} |
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@Override |
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public boolean onContextItemSelected(MenuItem item) { |
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contextMenu.onContextItemSelected(item); |
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return true; |
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} |
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@Override |
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protected Dialog onCreateDialog(int id) { |
protected Dialog onCreateDialog(int id) { |
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switch (id) { |
switch (id) { |
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case DLG_PROGRESS: |
case DLG_PROGRESS: |
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ProgressDialog dlg = new ProgressDialog(this); |
ProgressDialog dlg = new ProgressDialog(this); |
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dlg.setMessage("Wait for location fix"); |
dlg.setMessage("Wait for location fix"); |
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dlg.setCancelable(false); |
dlg.setCancelable(false); |
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return dlg; |
return dlg; |
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case DLG_STATIONNAME: |
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LayoutInflater factory = LayoutInflater.from(this); |
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final View rootView = factory.inflate(R.layout.textinput, null); |
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AlertDialog.Builder builder = new AlertDialog.Builder(this); |
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builder.setTitle("Station search"); |
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builder.setView(rootView); |
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builder.setCancelable(true); |
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builder.setPositiveButton("Search", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int which) { |
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EditText et = (EditText) rootView.findViewById(R.id.EditText); |
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dialog.dismiss(); |
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if (et.getText().toString().length() >= 2) { |
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startNameSearch(et.getText().toString()); |
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} else { |
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MessageBox.showMessage(StationList.this, "Two characters minimum" ); |
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} |
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} |
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}); |
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builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int which) { |
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dialog.dismiss(); |
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} |
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}); |
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return builder.create(); |
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default: |
default: |
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return super.onCreateDialog(id); |
return super.onCreateDialog(id); |
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} |
} |
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} |
} |
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@Override |
@Override |
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protected void onPrepareDialog(int id, Dialog dialog) { |
protected void onPrepareDialog(int id, Dialog dialog) { |
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super.onPrepareDialog(id, dialog); |
super.onPrepareDialog(id, dialog); |
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switch (id) { |
switch (id) { |
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case DLG_PROGRESS: |
case DLG_PROGRESS: |
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this.dialog = (ProgressDialog) dialog; |
this.dialog = (ProgressDialog) dialog; |
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if (!dialogMessage.equals("")) { |
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this.dialog.setMessage(dialogMessage); |
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dialogMessage = ""; |
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} |
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break; |
break; |
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} |
} |
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} |
} |
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@Override |
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protected void onListItemClick(ListView l, View v, int position, long id) { |
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super.onListItemClick(l, v, position, id); |
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StationBean station = stations.get(position); |
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double latitude = station.getLatitude(); |
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double longitude = station.getLongitude(); |
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Intent intent = new Intent(this, DepartureList.class); |
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intent.putExtra("name", station.getName()); |
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intent.putExtra("distance", station.getDistance()); |
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intent.putExtra("latitude", latitude); |
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intent.putExtra("longitude", longitude); |
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intent.putExtra("stationid", station.getId()); |
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intent.putExtra("address", station.getAddress()); |
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startActivity(intent); |
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} |
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///////////////////////////////////////////////////////////// |
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// |
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public void startLookup() { |
public void startLookup() { |
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isRunning = true; |
isRunning = true; |
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dialogMessage = "Wait for location fix"; |
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showDialog(DLG_PROGRESS); |
showDialog(DLG_PROGRESS); |
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locator.locateStations(); |
locator.locateStations(); |
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stationsFetched.sendEmptyMessageDelayed(FIXTIMEOUT, 20000); |
stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000); |
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} |
} |
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void startNameSearch(String name) { |
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dialogMessage = "Finding stations by name"; |
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showDialog(DLG_PROGRESS); |
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findStationsTask = new FindStationsTask(); |
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findStationsTask.searchByName(name, locator.getLocation()); |
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findStationsTask.execute(); |
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} |
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public void startFavoriteLookup() { |
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if (favorites.size() > 0) { |
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dialogMessage = "Loading favorites"; |
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showDialog(DLG_PROGRESS); |
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findStationsTask = new FindStationsTask(); |
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findStationsTask.searchByIds(favorites.toString(), locator.getLocation()); |
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findStationsTask.execute(); |
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} else { |
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MessageBox.showMessage(this, "Favorite list is empty"); |
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} |
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} |
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void startLocatorTask() |
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{ |
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dialogMessage = "Finding nearby stations"; |
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showDialog(DLG_PROGRESS); |
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findStationsTask = new FindStationsTask(); |
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findStationsTask.searchByLocation( locator.getLocation() ); |
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findStationsTask.execute(); |
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} |
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String lookupAddress(double latitude, double longitude) { |
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Geocoder coder = new Geocoder(this, new Locale("da")); |
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StringBuilder sb = new StringBuilder(); |
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Log.i("lookupaddr", "" + latitude + "/" + longitude); |
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try { |
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List<Address> addressList = coder.getFromLocation(latitude, longitude, 1); |
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Address addr = addressList.get(0); |
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int max = addr.getMaxAddressLineIndex(); |
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for (int i=0; i<max; i++) { |
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if (i>0) |
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sb.append(", "); |
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sb.append(addr.getAddressLine(i)); |
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} |
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} catch (Exception e) { |
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Log.e("DepartureList", "geocoder failed", e); |
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} |
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return sb.toString(); |
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} |
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//////////////////////////////////////////////////////////////////////////// |
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// Inner classes |
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Handler stationsFetched = new Handler() { |
class StationsFetchedHandler extends Handler { |
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@Override |
@Override |
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public void handleMessage(Message msg) { |
public void handleMessage(Message msg) { |
378 |
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switch (msg.what) { |
switch (msg.what) { |
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case GOTLOCATION: |
case GOTLOCATION: |
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dialog.setMessage("Finding nearby stations"); |
dismissDialog(DLG_PROGRESS); |
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locatorTask.execute(); |
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break; |
startLocatorTask(); |
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case GOTSTATIONLIST: |
location = GeoPair.fromLocation( locator.getLocation() ); |
385 |
dialog.dismiss(); |
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adapter.setStations( locator.getStations() ); |
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break; |
break; |
387 |
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case NOPROVIDER: |
case NOPROVIDER: |
389 |
dialog.dismiss(); |
dismissDialog(DLG_PROGRESS); |
390 |
showMessageBox("No Location provider enabled. Plase enabled gps."); |
MessageBox.showMessage(StationList.this,"No location provider enabled. Plase enable gps."); |
391 |
break; |
break; |
392 |
case FIXTIMEOUT: |
case LOCATIONFIXTIMEOUT: |
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dialog.dismiss(); |
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if (isRunning) { |
if (isRunning) { |
394 |
locator.abortLocationListener(); |
locator.stopSearch(); |
395 |
showMessageBox("GPS fix timed out"); |
if (locator.hasLocation()) { |
396 |
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stationsFetched.sendEmptyMessage( GOTLOCATION ); |
397 |
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} else { |
398 |
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dismissDialog(DLG_PROGRESS); |
399 |
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400 |
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AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); |
401 |
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builder.setMessage("Location fix timed out"); |
402 |
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builder.setCancelable(true); |
403 |
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builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() { |
404 |
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public void onClick(DialogInterface dialog, int id) { |
405 |
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dialog.dismiss(); |
406 |
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startLookup(); |
407 |
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408 |
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} |
409 |
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}); |
410 |
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builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { |
411 |
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public void onClick(DialogInterface dialog, int id) { |
412 |
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dialog.dismiss(); |
413 |
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} |
414 |
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}); |
415 |
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builder.show(); |
416 |
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417 |
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} |
418 |
} |
} |
419 |
break; |
break; |
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case LOOKUPSTATIONFAILED: |
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dialog.dismiss(); |
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showMessageBox("Error on finding nearby stations"); |
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break; |
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420 |
} |
} |
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421 |
isRunning = false; |
isRunning = false; |
422 |
} |
} |
423 |
}; |
}; |
424 |
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425 |
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426 |
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class FindStationsTask extends AsyncTask<Void,Void,Void> { |
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@Override |
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protected void onListItemClick(ListView l, View v, int position, long id) { |
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super.onListItemClick(l, v, position, id); |
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428 |
StationBean station = adapter.getStation(position); |
LookupMethod method = LookupMethod.MethodNone; |
429 |
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boolean success; |
430 |
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String name; |
431 |
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Location loc; |
432 |
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String ids; |
433 |
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434 |
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public void searchByName(String n, Location l) { |
435 |
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436 |
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method = LookupMethod.ByName; |
437 |
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loc = l; |
438 |
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name = n; |
439 |
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} |
440 |
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441 |
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public void searchByLocation(Location l) { |
442 |
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method = LookupMethod.ByLocation; |
443 |
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loc = l; |
444 |
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} |
445 |
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446 |
|
public void searchByIds(String id, Location l) { |
447 |
|
|
448 |
|
method = LookupMethod.ByList; |
449 |
|
loc = l; |
450 |
|
ids = id; |
451 |
|
} |
452 |
|
|
|
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<Void,Void,Void> { |
|
453 |
@Override |
@Override |
454 |
protected void onPreExecute() { |
protected void onPreExecute() { |
455 |
|
|
456 |
|
if (method.equals(LookupMethod.MethodNone)) |
457 |
|
throw new RuntimeException("Method not set"); |
458 |
super.onPreExecute(); |
super.onPreExecute(); |
459 |
} |
} |
460 |
|
|
461 |
@Override |
@Override |
462 |
protected Void doInBackground(Void... params) { |
protected Void doInBackground(Void... params) { |
463 |
locator.findNearestStations(); |
|
464 |
|
switch (method) { |
465 |
|
case ByLocation: |
466 |
|
success = stationProvider.lookupStations(loc); |
467 |
|
break; |
468 |
|
case ByName: |
469 |
|
success = stationProvider.lookupStationsByName(name); |
470 |
|
break; |
471 |
|
case ByList: |
472 |
|
success = stationProvider.lookupStationsByIds(ids); |
473 |
|
break; |
474 |
|
default: |
475 |
|
success = false; // not possible |
476 |
|
} |
477 |
|
|
478 |
|
|
479 |
|
Location dummy = new Location("gps"); |
480 |
|
List<StationBean> stations = stationProvider.getStations(); |
481 |
|
|
482 |
|
for (StationBean station : stations) { |
483 |
|
String addr = lookupAddress(station.getLatitude(), station.getLongitude()); |
484 |
|
station.setAddress(addr); |
485 |
|
|
486 |
|
|
487 |
|
if (method.equals(LookupMethod.ByName) || method.equals(LookupMethod.ByList)) { |
488 |
|
if (loc != null) { //only do the distance calc if we have a location |
489 |
|
dummy.setLatitude(station.getLatitude()); |
490 |
|
dummy.setLongitude(station.getLongitude()); |
491 |
|
station.setDistance( (int)loc.distanceTo(dummy) ); |
492 |
|
} else { |
493 |
|
station.setDistance(0); |
494 |
|
} |
495 |
|
} |
496 |
|
|
497 |
|
} |
498 |
|
|
499 |
return null; |
return null; |
500 |
} |
} |
501 |
|
|
502 |
@Override |
@Override |
503 |
protected void onPostExecute(Void result) { |
protected void onPostExecute(Void result) { |
504 |
super.onPostExecute(result); |
super.onPostExecute(result); |
505 |
|
dialog.dismiss(); |
506 |
|
|
507 |
|
//set title |
508 |
|
String title; |
509 |
|
switch (method) { |
510 |
|
case ByLocation: |
511 |
|
title = "Traininfo DK - Nearby stations"; |
512 |
|
break; |
513 |
|
case ByName: |
514 |
|
title = "Traininfo DK - Search"; |
515 |
|
break; |
516 |
|
case ByList: |
517 |
|
title = "Traininfo DK - Favorites"; |
518 |
|
break; |
519 |
|
default: |
520 |
|
title = "";//not possible |
521 |
|
} |
522 |
|
|
523 |
|
StationList.this.setTitle(title); |
524 |
|
//set title end |
525 |
|
|
526 |
|
if (success) { |
527 |
|
if (stationProvider.getStations().size() == 0) |
528 |
|
MessageBox.showMessage(StationList.this, "No stations found!"); // this should not be possible !?! |
529 |
|
stations = stationProvider.getStations(); |
530 |
|
adapter.setStations( stations ); |
531 |
|
|
532 |
|
showingFavorites = method.equals(LookupMethod.ByList); |
533 |
|
|
534 |
|
} else { //communication or parse errors |
535 |
|
AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); |
536 |
|
builder.setMessage("Error on finding nearby stations"); |
537 |
|
builder.setCancelable(true); |
538 |
|
builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() { |
539 |
|
public void onClick(DialogInterface dialog, int id) { |
540 |
|
dialog.dismiss(); |
541 |
|
|
542 |
|
stationsFetched.post( new Runnable() { |
543 |
|
@Override |
544 |
|
public void run() { |
545 |
|
startLocatorTask(); |
546 |
|
} |
547 |
|
}); |
548 |
|
} |
549 |
|
}); |
550 |
|
builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { |
551 |
|
public void onClick(DialogInterface dialog, int id) { |
552 |
|
dialog.dismiss(); |
553 |
|
} |
554 |
|
}); |
555 |
|
builder.show(); |
556 |
|
} |
557 |
|
} |
558 |
|
} |
559 |
|
|
560 |
|
|
561 |
|
class FavoritesMenu implements OnCreateContextMenuListener { |
562 |
|
private final static int FAVORITES_ADD = 9001; |
563 |
|
private final static int FAVORITES_REMOVE = 9002; |
564 |
|
|
565 |
|
private int selectedPosition; |
566 |
|
|
567 |
|
|
568 |
|
@Override |
569 |
|
public void onCreateContextMenu(ContextMenu menu, View v, ContextMenuInfo menuInfo) { |
570 |
|
|
571 |
|
AdapterView.AdapterContextMenuInfo info = (AdapterView.AdapterContextMenuInfo) menuInfo; |
572 |
|
selectedPosition = info.position; |
573 |
|
int stationID = stations.get(selectedPosition).getId(); |
574 |
|
|
575 |
|
if (!favorites.contains(stationID)) { |
576 |
|
menu.add(0, FAVORITES_ADD, 0, "Add to favorites"); |
577 |
|
} else { |
578 |
|
menu.add(0, FAVORITES_REMOVE, 0, "Remove from favorites"); |
579 |
|
} |
580 |
|
|
581 |
|
} |
582 |
|
|
583 |
|
public void onContextItemSelected(MenuItem item) { |
584 |
|
StationBean sb = stations.get(selectedPosition); |
585 |
|
|
586 |
|
int stationID = sb.getId(); |
587 |
|
if (item.getItemId() == FAVORITES_ADD) { |
588 |
|
favorites.add(stationID); |
589 |
|
Toast.makeText(StationList.this, "Station added", Toast.LENGTH_SHORT).show(); |
590 |
|
} else { |
591 |
|
|
592 |
|
favorites.remove(stationID); |
593 |
|
Toast.makeText(StationList.this, "Station removed", Toast.LENGTH_SHORT).show(); |
594 |
|
|
595 |
|
if (showingFavorites) { |
596 |
|
stations.remove(selectedPosition); |
597 |
|
adapter.notifyDataSetChanged(); |
598 |
|
} |
599 |
|
} |
600 |
|
Editor ed = prefs.edit(); |
601 |
|
ed.putString("favorites", favorites.toString()); |
602 |
|
ed.commit(); |
603 |
} |
} |
604 |
} |
} |
605 |
} |
} |