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package dk.thoerup.traininfo; |
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import android.app.AlertDialog; |
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import android.app.Dialog; |
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import android.app.ListActivity; |
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import android.app.ProgressDialog; |
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import android.content.DialogInterface; |
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import android.content.Intent; |
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import android.os.AsyncTask; |
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import android.os.Bundle; |
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import android.os.Handler; |
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import android.os.Message; |
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import android.view.View; |
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import android.widget.ListView; |
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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; |
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/** Called when the activity is first created. */ |
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ProgressDialog dialog; |
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StationLocator locator = null; |
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LocatorTask locatorTask = new LocatorTask(); |
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boolean isRunning; |
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StationListAdapter adapter = null; |
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@Override |
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public void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState); |
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setContentView(R.layout.main); |
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//StationLocator.injectMockLocation(this); |
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adapter = new StationListAdapter(this); |
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setListAdapter(adapter); |
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locator = new StationLocator(this, stationsFetched); |
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startLookup(); |
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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.isShowing()) |
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dialog.dismiss(); |
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} |
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@Override |
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protected Dialog onCreateDialog(int id) { |
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switch (id) { |
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case DLG_PROGRESS: |
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ProgressDialog dlg = new ProgressDialog(this); |
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dlg.setMessage("Wait for location fix"); |
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dlg.setCancelable(false); |
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return dlg; |
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default: |
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return super.onCreateDialog(id); |
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} |
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} |
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@Override |
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protected void onPrepareDialog(int id, Dialog dialog) { |
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super.onPrepareDialog(id, dialog); |
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switch (id) { |
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case DLG_PROGRESS: |
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this.dialog = (ProgressDialog) dialog; |
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break; |
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} |
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} |
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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 GOTSTATIONLIST: |
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dialog.dismiss(); |
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adapter.setStations( locator.getStations() ); |
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break; |
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case NOPROVIDER: |
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dialog.dismiss(); |
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showMessageBox("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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showMessageBox("GPS fix timed out"); |
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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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showMessageBox("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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@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 = adapter.getStation(position); |
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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("address", station.getAddress()); |
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intent.putExtra("distance", station.getDistance()); |
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intent.putExtra("latitude", station.getLatitude()); |
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intent.putExtra("longitude", station.getLongitude()); |
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startActivity(intent); |
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} |
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public void showMessageBox(String message) { |
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AlertDialog.Builder builder = new AlertDialog.Builder(this); |
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builder.setMessage(message) |
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.setCancelable(false) |
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.setPositiveButton("OK", new DialogInterface.OnClickListener() { |
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public void onClick(DialogInterface dialog, int id) { |
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dialog.dismiss(); |
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} |
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}) |
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.show(); |
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} |
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class LocatorTask extends AsyncTask<Void,Void,Void> { |
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@Override |
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protected void onPreExecute() { |
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super.onPreExecute(); |
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} |
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@Override |
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protected Void doInBackground(Void... params) { |
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locator.findNearestStations(); |
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return null; |
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} |
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@Override |
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protected void onPostExecute(Void result) { |
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super.onPostExecute(result); |
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} |
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} |
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} |