Bluetooth Socket error in Tokyo

good morning, My app in Berlin C++ version use TBluetoothSoket to receive data from bluetooth end works well. The same code in Tokyo 10.2 not working in Android platform , the error is "Segmentation Fault (11) " when i read socket buffer with Socket->ReceiveData() or Socket->ReadData(). In Tokyo Windows platform works well instread. how can i do ? thank you Andrea