Know when the users change their phone orientation to Landscape or Potrait

AndroidManifest.xml

<activity
            android:name=".MyActivity"
            android:label="@string/app_name"
            android:configChanges="orientation|screenSize">

MyActivity.java

@Override
    public void onConfigurationChanged(Configuration newConfig) {
        super.onConfigurationChanged(newConfig);
        if(newConfig.orientation==Configuration.ORIENTATION_LANDSCAPE){
            Log.d("SOMU","Orientation Changed to Landscape mode");
        }
        else if(newConfig.orientation==Configuration.ORIENTATION_PORTRAIT){
            Log.d("SOMU","Orientation Changed to Potrait mode");
            }
        }