Android Open Source - MakeWithMotoSampleApp Accelerometer Manager

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License

The source code is released under:

GNU General Public License

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Java Source Code

package com.makewithmoto.extras;
/*from   w w  w  .  ja  v  a  2  s.c o  m*/
import android.content.Context;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;

public class AccelerometerManager extends CustomSensorManager implements WhatIsRunningInterface {

  public interface AccelerometerListener extends CustomSensorListener {

    public void onAccelerometerChanged(float x, float y, float z); 
    public void onShake(float force); 
    
  }

  
  
  private final static String TAG = "Accel";

  private float currentValueX;
  private float previousValueX;
  private float currentValueY;
  private float previousValueY;
  private float currentValueZ;
  private float previousValueZ;



  public AccelerometerManager(Context c) {
    super(c); 
    
    // register
    sensormanager = (SensorManager) c.getSystemService(Context.SENSOR_SERVICE);
    sensor = sensormanager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);

    listener = new SensorEventListener() {

      @Override
      public void onSensorChanged(SensorEvent event) { 
        //listener
        for (CustomSensorListener l : listeners) {
          ((AccelerometerListener)l).onAccelerometerChanged(event.values[0], event.values[1], event.values[2]);
          
          float force = (float) Math.sqrt(Math.pow(event.values[0], 2)
                          + Math.pow(event.values[1], 2)
                          + Math.pow(event.values[2], 2));
        
          ((AccelerometerListener)l).onShake(force);
        }
        
      }

      @Override
      public void onAccuracyChanged(Sensor sensor, int accuracy) {
        switch (accuracy) {
        case SensorManager.SENSOR_STATUS_UNRELIABLE:
          break;
        case SensorManager.SENSOR_STATUS_ACCURACY_LOW:
          break;
        case SensorManager.SENSOR_STATUS_ACCURACY_MEDIUM:
          break;
        case SensorManager.SENSOR_STATUS_ACCURACY_HIGH:
          break;
        }
      }

    };

  }

  public float total() {

    return currentValueX + currentValueY + currentValueZ;
  }

  public float totalDiff() {

    return Math.abs((currentValueX + currentValueY + currentValueZ)
        - (currentValueX + currentValueY + currentValueZ));
  }

  public float diffX() {
    return Math.abs(currentValueX - previousValueX);
  }

  public float diffY() {
    return Math.abs(currentValueY - previousValueY);
  }

  public float diffZ() {
    return Math.abs(currentValueZ - previousValueZ);
  }

  


}

Java Source Code List