This method can help:–
public int getDeviceDefaultOrientation() {
WindowManager windowManager = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
Configuration config = getResources().getConfiguration();
int rotation = windowManager.getDefaultDisplay().getRotation();
if ( ((rotation == Surface.ROTATION_0 || rotation == Surface.ROTATION_180) &&
config.orientation == Configuration.ORIENTATION_LANDSCAPE)
|| ((rotation == Surface.ROTATION_90 || rotation == Surface.ROTATION_270) &&
config.orientation == Configuration.ORIENTATION_PORTRAIT)) {
return Configuration.ORIENTATION_LANDSCAPE;
} else {
return Configuration.ORIENTATION_PORTRAIT;
}
}