if (getRequestedOrientation() != ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE);
}
if (getRequestedOrientation() != ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE) {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_SENSOR_LANDSCAPE);
}