contextapi/code/ActivityRecorder/src/uk/co/md87/android/activityrecorder/ClassifierService.java

/*
 * Copyright (c) 2009-2010 Chris Smith
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package uk.co.md87.android.activityrecorder;

import android.app.Service;
import android.content.ComponentName;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.IBinder;
import android.os.RemoteException;
import android.widget.Toast;

import uk.co.md87.android.activityrecorder.rpc.ActivityRecorderBinder;
import uk.co.md87.android.common.Classifier;

/**
 *
 * @author chris
 */
public class ClassifierService extends Service implements Runnable {

    ActivityRecorderBinder service = null;
    String classification;

    private ServiceConnection connection = new ServiceConnection() {

        public void onServiceConnected(ComponentName arg0, IBinder arg1) {
            service = ActivityRecorderBinder.Stub.asInterface(arg1);

            try {
                service.submitClassification(classification);
            } catch (RemoteException ex) {

            }
            
            stopSelf();
        }

        public void onServiceDisconnected(ComponentName arg0) {
            Toast.makeText(ClassifierService.this, R.string.error_disconnected, Toast.LENGTH_LONG);
        }
    };

    private float[] data;

    @Override
    public void onStart(Intent intent, int startId) {
        super.onStart(intent, startId);

        //Log.i(getClass().getName(), "Starting classifier");

        data = intent.getFloatArrayExtra("data");

        new Thread(this).start();
    }

    @Override
    public void onDestroy() {
        super.onDestroy();

        unbindService(connection);
    }

    @Override
    public IBinder onBind(Intent arg0) {
        return null;
    }

    public void run() {
        classification = new Classifier(RecorderService.model.entrySet()).classify(data);

        //Log.i(getClass().getName(), "Classification: " + classification);

        bindService(new Intent(this, RecorderService.class), connection, BIND_AUTO_CREATE);
    }

}