Android Open Source - cdb-android On Bus

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License

The source code is released under:

GNU General Public License

Java Source Code

package ca.strangeware.cdb;
/*ww w  . j  ava 2 s .  c  o m*/
import android.content.Intent;
import android.database.Cursor;
import ca.strangeware.cdb.Schema.PickUp;
import ca.strangeware.cdb.Schema.SchemaException;
import ca.strangeware.cdb.Schema.Trip;

public class OnBus extends TravelActivity {
  private Trip  trip = null;
  private PickUp  pickup = null;

  @Override
  protected void updateObjects() {
    try {
      if ( null == this.pickup ) {
        long pickup_id = getIntent().getLongExtra(ActivityIds.INTENT_KEY_PICKUP_ID, 0);
        this.pickup = Schema.instance().lookupPickUp(pickup_id);
        this.trip = Schema.instance().lookupTrip(pickup.trip_id);
      } else {
        // verify that the elapsed time has not put us past when we EXPECTED to get to
        // the next stop
        PickUp next = Schema.instance().lookupNextPickUp(this.pickup.trip_id, this.pickup.sequence);
        if ( this.pickup.arrival + this.secondsRunning() >= next.arrival ) {
          this.pickup = next;
        }
      }
    } catch (SchemaException e) {
      e.printStackTrace();
    } catch ( Exception e ) {
      e.printStackTrace();
    }
  }

  @Override
  protected String[] columnNames() {
    return new String[] { "number", "name" };
  }

  @Override
  protected Intent intent(long id) {
    Intent i = new Intent(this, AtStop.class);
    i.putExtra(ActivityIds.INTENT_KEY_STOP_ID, id);
    return i;
  }

  @Override
  protected Cursor query() throws SchemaException {
    return this.trip.upcomingStopsFromSeq(this.pickup.sequence);
  }

  @Override
  protected String title() {
    return this.trip.number + " " + this.trip.headsign;
  }
  
  @Override
  protected int arrivalIndex() {
    return 3;
  }
}

Java Source Code List

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