Feb 27, 2012

Detect Android device rotation, using Accelerometer sensor

Detect Android device rotation, using Accelerometer sensor
package com.AndroidRotation;

import android.app.Activity;
import android.hardware.Sensor;
import android.hardware.SensorEvent;
import android.hardware.SensorEventListener;
import android.hardware.SensorManager;
import android.os.Bundle;
import android.widget.TextView;

public class AndroidRotationActivity extends Activity implements SensorEventListener{

private SensorManager manager;
private Sensor sensor;

TextView azimuth, pitch, roll;

/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

manager = (SensorManager)getSystemService(SENSOR_SERVICE);
sensor = manager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);

azimuth = (TextView)findViewById(R.id.azimuth);
pitch = (TextView)findViewById(R.id.pitch);
roll = (TextView)findViewById(R.id.roll);
}

@Override
protected void onPause() {
super.onPause();
manager.unregisterListener(this);
}

@Override
protected void onResume() {
super.onResume();
manager.registerListener(this, sensor, SensorManager.SENSOR_DELAY_NORMAL);
}

@Override
public void onAccuracyChanged(Sensor arg0, int arg1) {
// TODO Auto-generated method stub

}

@Override
public void onSensorChanged(SensorEvent arg0) {

azimuth.setText("Azimuth: " + String.valueOf(arg0.values[0]));
pitch.setText("Pitch: " + String.valueOf(arg0.values[1]));
roll.setText("Roll: " + String.valueOf(arg0.values[2]));

}
}



Next:
- Get detail info of Accelerometer

Related:
- Detect Orientation using Accelerometer and Magnetic Field sensors

2 comments:

  1. I'm sorry sir, do you ever have source code for satellite project calculate (like program dish pointing calculator on play store)...? so we calculate the elevation and azimuth from user, and can implementation with accelerometer..

    ReplyDelete
  2. This doesn't get the orientation. These values are acceleration in m/s^2 (https://developer.android.com/reference/android/hardware/SensorEvent.html#values)

    ReplyDelete

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