Tuesday 6 December 2011

SensorEventListener Example in Android

Please Implement SensorEventListener in your Activity



Declare below Variables or Make Objects of Below Class;

private SensorManager sensorManager;
private long lastUpdate;
Boolean bool = false, bool1 = false;




Write This three Line into Your onCreate Method:-

sensorManager = (SensorManager) getSystemService(SENSOR_SERVICE);
sensorManager.registerListener(this,sensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER),
                SensorManager.SENSOR_DELAY_NORMAL);
lastUpdate = System.currentTimeMillis();




Add Following Methods into our Activity:-

@Override
    public void onSensorChanged(SensorEvent event) {
        if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
            float[] values = event.values;
            // Movement
            float x = values[0];
            float y = values[1];
            float z = values[2];

            float accelationSquareRoot = (x * x + y * y + z * z)
                    / (SensorManager.GRAVITY_EARTH * SensorManager.GRAVITY_EARTH);
            System.out.println("accelationSquareRoot is:- "
                    + accelationSquareRoot);
            long actualTime = System.currentTimeMillis();
            if (accelationSquareRoot >= 5) //
            {
                bool1 = false;
                if (bool == false) {
                    if (actualTime - lastUpdate < 1000) {
                        return;
                    }
                    lastUpdate = actualTime;
                    //Here Define Method for OnStartShaking
                    bool = true;
                } else {
                   return;
                }
            } else {
                bool = false;
                System.out.println("Jay Not Stuffing");

                if (bool1 == false) {
                    if (actualTime - lastUpdate < 4000) {
                        return;
                    }
                    lastUpdate = actualTime;
                    //Here Define Method for OnStopShaking
                    bool1 = true;
                } else {
                    return;
                }
            }
        }
    }



@Override
    public void onAccuracyChanged(Sensor sensor, int accuracy) {
        // TODO Auto-generated method stub

    }

Now Run Your Project.

Enjoy :-)


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3 comments:

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