Android Open Source - Rejsekort-Reminder Bus Mode

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Back to project page Rejsekort-Reminder.

License

The source code is released under:

GNU General Public License

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Java Source Code

package com.example.publictransportation.modes;
/*from  w w  w.  ja  v a  2  s.c om*/
import android.content.res.Resources;

import com.example.publictransportation.R;
import com.example.publictransportation.profiles.AbstractProfile;
import com.example.publictransportation.sensors.AbstractSensor;
import com.example.publictransportation.sensors.ActivitySensor;
import com.example.publictransportation.sensors.SensorTypes;
import com.example.publictransportation.sensors.WifiGroup;
import com.example.publictransportation.sensors.WifiSensor;
import com.example.publictransportation.service.IModeManager;

public class BusMode extends AbstractMode {

  final int ON_FOOT_RESULTS_LIMIT_SIGNAL_LOST = 1;
  final int ON_FOOT_RESULTS_LIMIT = 2;
  int onFootCount;
  
  Boolean originalSignalLost;

  public BusMode(AbstractProfile profile, IModeManager manager, String latestMacAddress) {
    super(profile, manager, latestMacAddress);

    onFootCount = 0;
    originalSignalLost = false;

    Resources r = manager.getApplicationContext().getResources();
    String[] busSsids = r.getStringArray(R.array.bus_ssids);

    WifiGroup busGroup = new WifiGroup(BUS, busSsids);
    WifiGroup[] groupArray = {busGroup};
    AbstractSensor wifiSensor = new WifiSensor(this, groupArray, profile.getWifiSensorDelay(), latestMacAddress); 
    AbstractSensor activitySensor = new ActivitySensor(this, profile.getActivitySensorDelay(), profile.getDefaultActivitySensorCutoff());

    addSensor(activitySensor);
    addSensor(wifiSensor);
  }

  @Override
  public void input(AbstractSensor sensor, String data) {    
    // indicates two scans have passed without the original Mac Address being found
    if (sensor.getType() == SensorTypes.WIFI) {
      if (data.equals(WifiSensor.NEW_SIGNAL) || data.equals(WifiSensor.NOTHING_FOUND)) {
        originalSignalLost = true;
      }
    } 
    // indicates we have started walking a certain distance (i.e. cannot be in a bus)
    else if (sensor.getType() == SensorTypes.ACTIVITY) {
      if (data.equals(ActivitySensor.ON_FOOT)) {
        onFootCount += 1;
      }
      else {
        onFootCount = 0;
      }  
    }

    // always end with call to evaluate()
    evaluate();
  }

  @Override
  protected void evaluate() {
    if (onFootCount >= ON_FOOT_RESULTS_LIMIT) {
      changeMode(ModeTypes.MOVING, ""); 
    }
    // only a single ON_FOOT is needed if we have lost the signal
    else if (onFootCount >= ON_FOOT_RESULTS_LIMIT_SIGNAL_LOST && originalSignalLost) {
      changeMode(ModeTypes.MOVING, ""); 
    }
  }

  @Override
  public ModeTypes getType() {
    return ModeTypes.BUS;
  }
}

Java Source Code List