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import java.util.List; |
import java.util.List; |
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import java.util.Locale; |
import java.util.Locale; |
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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; |
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import android.content.Intent; |
import android.content.Intent; |
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import android.location.Address; |
import android.location.Address; |
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import android.location.Geocoder; |
import android.location.Geocoder; |
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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; |
import android.util.Log; |
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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.widget.EditText; |
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import android.widget.ListView; |
import android.widget.ListView; |
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import dk.thoerup.traininfo.provider.ProviderFactory; |
import dk.thoerup.traininfo.provider.ProviderFactory; |
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import dk.thoerup.traininfo.provider.StationProvider; |
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.MessageBox; |
import dk.thoerup.traininfo.util.MessageBox; |
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public class TrainInfoList extends ListActivity { |
public class StationList extends ListActivity { |
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public static final int GOTLOCATION = 1; |
public static final int GOTLOCATION = 1001; |
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public static final int GOTSTATIONLIST = 2; |
public static final int GOTSTATIONLIST = 1002; |
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public static final int NOPROVIDER = 3; |
public static final int NOPROVIDER = 1003; |
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public static final int FIXTIMEOUT = 4; |
public static final int LOCATIONFIXTIMEOUT = 1004; |
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public static final int LOOKUPSTATIONFAILED = 5; |
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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 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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/** Called when the activity is first created. */ |
/** Called when the activity is first created. */ |
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String dialogMessage = ""; |
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ProgressDialog dialog; |
ProgressDialog dialog; |
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LocationLookup locator = null; |
LocationLookup locator = null; |
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LocatorTask locatorTask = new LocatorTask(); |
LocatorTask locatorTask; |
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StationsFetchedHandler stationsFetched = new StationsFetchedHandler(); |
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GeoPair location = new GeoPair(); |
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boolean isRunning = false; |
boolean isRunning = false; |
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List<StationBean> stations = new ArrayList<StationBean>(); |
List<StationBean> stations = new ArrayList<StationBean>(); |
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StationProvider stationProvider = ProviderFactory.getStationProvider(); |
StationProvider stationProvider = ProviderFactory.getStationProvider(); |
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StationListAdapter adapter = null; |
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static enum LookupMethod { |
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ByLocation, |
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ByName, |
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MethodNone |
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} |
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/////////////////////////////////////////////////////////////////////////////////////////// |
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//Activity call backs |
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StationListAdapter adapter = null; |
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@SuppressWarnings("unchecked") |
@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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//LocationLookup.removeMockLocation(this); |
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LocationLookup.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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} else { |
} else { |
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stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations"); |
stations = (ArrayList<StationBean>) savedInstanceState.getSerializable("stations"); |
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adapter.setStations(stations); |
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 |
@Override |
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public void onSaveInstanceState(Bundle outState) |
public void onSaveInstanceState(Bundle outState) |
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{ |
{ |
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if (dialog != null && dialog.isShowing()) |
if (dialog != null && dialog.isShowing()) |
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dialog.dismiss(); |
dialog.dismiss(); |
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outState.putSerializable("stations", (ArrayList<StationBean>) stations); |
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, "Find 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_MAP, 0, "Show 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_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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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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} |
} |
225 |
} |
} |
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public void startLookup() { |
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isRunning = true; |
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showDialog(DLG_PROGRESS); |
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locator.locateStations(); |
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stationsFetched.sendEmptyMessageDelayed(FIXTIMEOUT, 20000); |
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} |
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Handler stationsFetched = new Handler() { |
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@Override |
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public void handleMessage(Message msg) { |
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switch (msg.what) { |
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case GOTLOCATION: |
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dialog.setMessage("Finding nearby stations"); |
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locatorTask.execute(); |
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break; |
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case NOPROVIDER: |
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dialog.dismiss(); |
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MessageBox.showMessage(TrainInfoList.this,"No location provider enabled. Plase enable gps."); |
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break; |
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case FIXTIMEOUT: |
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dialog.dismiss(); |
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if (isRunning) { |
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locator.abortLocationListener(); |
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if (locator.hasLocation()) { |
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msg.what = GOTLOCATION; |
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handleMessage( msg ); // ToDo: ugly recursive call !!! |
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} else { |
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MessageBox.showMessage(TrainInfoList.this,"GPS fix timed out"); |
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} |
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} |
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break; |
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case LOOKUPSTATIONFAILED: |
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dialog.dismiss(); |
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MessageBox.showMessage(TrainInfoList.this,"Error on finding nearby stations"); |
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break; |
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} |
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isRunning = false; |
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} |
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}; |
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227 |
@Override |
@Override |
228 |
protected void onListItemClick(ListView l, View v, int position, long id) { |
protected void onListItemClick(ListView l, View v, int position, long id) { |
245 |
startActivity(intent); |
startActivity(intent); |
246 |
} |
} |
247 |
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248 |
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///////////////////////////////////////////////////////////// |
249 |
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// |
250 |
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251 |
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public void startLookup() { |
252 |
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isRunning = true; |
253 |
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dialogMessage = "Wait for location fix"; |
254 |
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showDialog(DLG_PROGRESS); |
255 |
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256 |
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locator.locateStations(); |
257 |
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stationsFetched.sendEmptyMessageDelayed(LOCATIONFIXTIMEOUT, 20000); |
258 |
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} |
259 |
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260 |
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void startNameSearch(String name) { |
261 |
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dialogMessage = "Finding stations by name"; |
262 |
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showDialog(DLG_PROGRESS); |
263 |
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264 |
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locatorTask = new LocatorTask(); |
265 |
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locatorTask.searchByName(name, locator.getLocation()); |
266 |
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locatorTask.execute(); |
267 |
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268 |
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} |
269 |
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270 |
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271 |
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272 |
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void startLocatorTask() |
273 |
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{ |
274 |
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dialogMessage = "Finding nearby stations"; |
275 |
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showDialog(DLG_PROGRESS); |
276 |
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277 |
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locatorTask = new LocatorTask(); |
278 |
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locatorTask.searchByLocation( locator.getLocation() ); |
279 |
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locatorTask.execute(); |
280 |
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} |
281 |
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282 |
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283 |
String lookupAddress(double latitude, double longitude) { |
String lookupAddress(double latitude, double longitude) { |
284 |
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285 |
Geocoder coder = new Geocoder(this, new Locale("da")); |
Geocoder coder = new Geocoder(this, new Locale("da")); |
306 |
return sb.toString(); |
return sb.toString(); |
307 |
} |
} |
308 |
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309 |
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310 |
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//////////////////////////////////////////////////////////////////////////// |
311 |
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// Inner classes |
312 |
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313 |
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class StationsFetchedHandler extends Handler { |
314 |
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@Override |
315 |
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public void handleMessage(Message msg) { |
316 |
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317 |
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switch (msg.what) { |
318 |
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case GOTLOCATION: |
319 |
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dismissDialog(DLG_PROGRESS); |
320 |
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321 |
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startLocatorTask(); |
322 |
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location = GeoPair.fromLocation( locator.getLocation() ); |
323 |
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324 |
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break; |
325 |
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326 |
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case NOPROVIDER: |
327 |
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dismissDialog(DLG_PROGRESS); |
328 |
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MessageBox.showMessage(StationList.this,"No location provider enabled. Plase enable gps."); |
329 |
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break; |
330 |
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case LOCATIONFIXTIMEOUT: |
331 |
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if (isRunning) { |
332 |
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locator.stopSearch(); |
333 |
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if (locator.hasLocation()) { |
334 |
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stationsFetched.sendEmptyMessage( GOTLOCATION ); |
335 |
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} else { |
336 |
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dismissDialog(DLG_PROGRESS); |
337 |
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338 |
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AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); |
339 |
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builder.setMessage("Location fix timed out"); |
340 |
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builder.setCancelable(true); |
341 |
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builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() { |
342 |
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public void onClick(DialogInterface dialog, int id) { |
343 |
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dialog.dismiss(); |
344 |
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startLookup(); |
345 |
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346 |
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} |
347 |
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}); |
348 |
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builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { |
349 |
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public void onClick(DialogInterface dialog, int id) { |
350 |
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dialog.dismiss(); |
351 |
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} |
352 |
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}); |
353 |
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builder.show(); |
354 |
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355 |
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} |
356 |
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} |
357 |
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break; |
358 |
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} |
359 |
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isRunning = false; |
360 |
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} |
361 |
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}; |
362 |
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363 |
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364 |
class LocatorTask extends AsyncTask<Void,Void,Void> { |
class LocatorTask extends AsyncTask<Void,Void,Void> { |
365 |
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366 |
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LookupMethod method = LookupMethod.MethodNone; |
367 |
boolean success; |
boolean success; |
368 |
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String name; |
369 |
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Location loc; |
370 |
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371 |
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public void searchByName(String n, Location l) { |
372 |
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373 |
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method = LookupMethod.ByName; |
374 |
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loc = l; |
375 |
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name = n; |
376 |
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} |
377 |
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378 |
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public void searchByLocation(Location l) { |
379 |
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method = LookupMethod.ByLocation; |
380 |
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loc = l; |
381 |
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} |
382 |
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383 |
@Override |
@Override |
384 |
protected void onPreExecute() { |
protected void onPreExecute() { |
385 |
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|
386 |
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if (method.equals(LookupMethod.MethodNone)) |
387 |
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throw new RuntimeException("Method not set"); |
388 |
super.onPreExecute(); |
super.onPreExecute(); |
389 |
} |
} |
390 |
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|
391 |
@Override |
@Override |
392 |
protected Void doInBackground(Void... params) { |
protected Void doInBackground(Void... params) { |
393 |
Location loc = locator.getLocation(); |
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394 |
success = stationProvider.lookupStations(loc); |
if (method.equals(LookupMethod.ByLocation)) |
395 |
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success = stationProvider.lookupStations(loc); |
396 |
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397 |
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if (method.equals(LookupMethod.ByName)) |
398 |
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success = stationProvider.lookupStations(name); |
399 |
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400 |
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Location dummy = new Location("gps"); |
401 |
List<StationBean> stations = stationProvider.getStations(); |
List<StationBean> stations = stationProvider.getStations(); |
402 |
for (StationBean station : stations) { |
|
403 |
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for (StationBean station : stations) { |
404 |
String addr = lookupAddress(station.getLatitude(), station.getLongitude()); |
String addr = lookupAddress(station.getLatitude(), station.getLongitude()); |
405 |
station.setAddress(addr); |
station.setAddress(addr); |
406 |
} |
|
407 |
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if (method.equals(LookupMethod.ByName) ) { |
408 |
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dummy.setLatitude(station.getLatitude()); |
409 |
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dummy.setLongitude(station.getLongitude()); |
410 |
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station.setDistance( (int)loc.distanceTo(dummy) ); |
411 |
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} |
412 |
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} |
413 |
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|
414 |
return null; |
return null; |
415 |
} |
} |
421 |
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|
422 |
if (success) { |
if (success) { |
423 |
if (stationProvider.getStations().size() == 0) |
if (stationProvider.getStations().size() == 0) |
424 |
MessageBox.showMessage(TrainInfoList.this, "No stations found!"); // this should not be possible !?! |
MessageBox.showMessage(StationList.this, "No stations found!"); // this should not be possible !?! |
425 |
stations = stationProvider.getStations(); |
stations = stationProvider.getStations(); |
426 |
adapter.setStations( stations ); |
adapter.setStations( stations ); |
427 |
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|
428 |
} else { //communication or parse errors |
} else { //communication or parse errors |
429 |
MessageBox.showMessage(TrainInfoList.this, "Error finding stations!"); |
AlertDialog.Builder builder = new AlertDialog.Builder(StationList.this); |
430 |
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builder.setMessage("Error on finding nearby stations"); |
431 |
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builder.setCancelable(true); |
432 |
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builder.setPositiveButton("Retry", new DialogInterface.OnClickListener() { |
433 |
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public void onClick(DialogInterface dialog, int id) { |
434 |
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dialog.dismiss(); |
435 |
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436 |
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stationsFetched.post( new Runnable() { |
437 |
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@Override |
438 |
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public void run() { |
439 |
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startLocatorTask(); |
440 |
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} |
441 |
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}); |
442 |
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} |
443 |
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}); |
444 |
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builder.setNegativeButton("Cancel", new DialogInterface.OnClickListener() { |
445 |
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public void onClick(DialogInterface dialog, int id) { |
446 |
|
dialog.dismiss(); |
447 |
|
} |
448 |
|
}); |
449 |
|
builder.show(); |
450 |
} |
} |
451 |
} |
} |
452 |
} |
} |