ped2019-ui

I have cloned this project (https://github.com/licheedev/SerialWorker) but error  Do you have any suggestion?

ok , it runs without error but how to use multiple device path name I tried to use this code same time below mOpened_machine1 = SerialPortManager.instance.open("/dev/ttySC0","9600") !=null mOpened_machine2 = SerialPortManager.instance.open("/dev/ttySC1","9600")...

ok, I have tried the SerialWorker Project (Door,Card) , it ok for multiple devices ("/dev/ttySC01","/dev/ttySC02") but how to get command and send command in the MainActivity.java in this project ,...

ok, I tried to implement SerialWorker on MainActivity.java (for sending&receiving Command) but not success . for the Android SerialPort Tool master I can use this command SerialPortManager.instance().sendCommand("02"); to send data...