@Override
protected void onStop() {
SensorHandler.unregisterListener(this);
ServiceProvider.getService(CatroidService.BLUETOOTH_DEVICE_SERVICE).pause();
FaceDetectionHandler.stopFaceDetection();
super.onStop();
}
public void setFormula(Formula formula) {
formulaToCompute = formula;
if (formula.containsElement(ElementType.SENSOR)) {
SensorHandler.startSensorListener(context);
SensorHandler.registerListener(this);
}
int resources = formula.getRequiredResources();
if ((resources & Brick.FACE_DETECTION) > 0) {
FaceDetectionHandler.startFaceDetection(getContext());
}
if ((resources & Brick.BLUETOOTH_LEGO_NXT) > 0) {
BluetoothDeviceService btService =
ServiceProvider.getService(CatroidService.BLUETOOTH_DEVICE_SERVICE);
btService.connectDevice(BluetoothDevice.LEGO_NXT, this.getContext());
}
}