Android Open Source - steppy Steppy Service

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From Project

Back to project page steppy.

License

The source code is released under:

GNU General Public License

Java Source Code

package net.daverix.steppy;
//from w w  w  .j a  v  a2s  .  c  o  m
import android.app.Service;
import android.content.Intent;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Binder;
import android.os.IBinder;
import android.util.Log;

import java.util.HashSet;
import java.util.Set;

public class SteppyService extends Service implements SteppyInteractor {
    private static final int MAX_BATCHED_DELAY = 10000000;
    private final Set<OnStepsCountedListener> mListeners = new HashSet<>();
    private final IBinder mBinder = new SteppyBinder();
    private SensorManager mSensorManager;
    private long mStepsCounted;
    private boolean mIsListening;

    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {
        return START_STICKY;
    }

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

        mIsListening = false;
        mStepsCounted = 0;

        mSensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
    }

    @Override
    public IBinder onBind(Intent intent) {
        return mBinder;
    }

    @Override
    public void startListening() {
        if(mIsListening)
            return;
        
        final Sensor sensor = mSensorManager.getDefaultSensor(Sensor.TYPE_STEP_COUNTER);
        boolean batchMode = mSensorManager.registerListener(mSensorEventListener, sensor, SensorManager.SENSOR_DELAY_NORMAL, MAX_BATCHED_DELAY);
        if(!batchMode) {
            Log.e("SteppyService", "Batch mode not possible");
        }
        mIsListening = true;
    }

    private SensorEventListener mSensorEventListener = new SensorEventListener() {
        @Override
        public void onSensorChanged(SensorEvent event) {
            mStepsCounted = (int) event.values[0];
            notifyStepsChanged();
        }

        @Override
        public void onAccuracyChanged(Sensor sensor, int accuracy) {

        }
    };

    private void notifyStepsChanged() {
        synchronized (mListeners) {
            for(OnStepsCountedListener listener : mListeners) {
                listener.onStepsCounted(this);
            }
        }
    }

    @Override
    public void stopListener() {
        mIsListening = false;
        mSensorManager.unregisterListener(mSensorEventListener);
    }

    @Override
    public void registerOnStepsCountedListener(OnStepsCountedListener listener) {
        if(listener == null) throw new IllegalArgumentException("listener is null");

        synchronized (mListeners) {
            mListeners.add(listener);
        }
    }

    @Override
    public void unregisterOnStepsCountedListener(OnStepsCountedListener listener) {
        if(listener == null) throw new IllegalArgumentException("listener is null");

        synchronized (mListeners) {
            mListeners.remove(listener);
        }
    }

    @Override
    public long getCountedSteps() {
        return mStepsCounted;
    }

    @Override
    public boolean isListening() {
        return mIsListening;
    }

    public class SteppyBinder extends Binder {
        public SteppyInteractor getSteppyInteractor() {
            return SteppyService.this;
        }
    }
}

Java Source Code List

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