Android Open Source - interdroid-swan Intent Sensor

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License

The source code is released under:

Copyright (c) 2008-2011 Vrije Universiteit, The Netherlands All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the follo...

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Java Source Code

package interdroid.swan.sensors.impl;
//from  w w w .j  a  v  a2 s .c om
import interdroid.swan.ExpressionManager;
import interdroid.swan.R;
import interdroid.swan.SwanException;
import interdroid.swan.ValueExpressionListener;
import interdroid.swan.sensors.AbstractConfigurationActivity;
import interdroid.swan.sensors.AbstractMemorySensor;
import interdroid.swan.swansong.Expression;
import interdroid.swan.swansong.HistoryReductionMode;
import interdroid.swan.swansong.SensorValueExpression;
import interdroid.swan.swansong.TimestampedValue;
import android.os.Bundle;

public class IntentSensor extends AbstractMemorySensor {

  public static final String TAG = "Intent";

  /**
   * The configuration activity for this sensor.
   * 
   * @author nick &lt;palmer@cs.vu.nl&gt;
   * 
   */
  public static class ConfigurationActivity extends
      AbstractConfigurationActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setResult(
          RESULT_OK,
          getIntent().putExtra("configuration",
              IntentSensor.STARTED_FIELD));
      finish();
    }

    @Override
    public final int getPreferencesXML() {
      return R.xml.intent_preferences;
    }

  }

  public static final String STARTED_FIELD = "started";

  protected static final int HISTORY_SIZE = 300;

  private static final String MAGIC_RELAY = "INTENTS_FROM_LOGCAT";

  @Override
  public String[] getValuePaths() {
    return new String[] { STARTED_FIELD };
  }

  @Override
  public void initDefaultConfiguration(Bundle DEFAULT_CONFIGURATION) {
  }

  @Override
  public void onConnected() {
  }

  @Override
  public void register(final String id, final String valuePath,
      final Bundle configuration) {
    configuration.putString("logcat_parameters", "'ActivityManager:I'");
    try {
      ExpressionManager.registerValueExpression(this, id + "."
          + MAGIC_RELAY, new SensorValueExpression(
          Expression.LOCATION_SELF, "logcat", "log", configuration,
          HistoryReductionMode.ANY, 0),
          new ValueExpressionListener() {

            @Override
            public void onNewValues(String id,
                TimestampedValue[] newValues) {
              for (TimestampedValue value : newValues) {
                // if (value.getValue().toString()
                // .contains("Starting: Intent {")) {
                if (value.getValue().toString()
                    .startsWith("START")) {
                  putValueTrimSize(valuePath, id,
                      value.getTimestamp(),
                      getIntentFrom(value.getValue()),
                      HISTORY_SIZE);
                }
              }
            }
          });
    } catch (SwanException e) {
      e.printStackTrace();
    }
  }

  private String getIntentFrom(final Object value) {
    String string = value.toString();
    string = string.substring(string.indexOf("cmp=") + 4);
    string = string.substring(0, string.indexOf(" "));
    System.out.println("got intent: " + string);
    return string;
  }

  @Override
  public void unregister(final String id) {
    ExpressionManager.unregisterExpression(this, id + "." + MAGIC_RELAY);
  }

  @Override
  public void onDestroySensor() {
    // Nothing to do
  }
}

Java Source Code List