Ritesh Ghimire
Ritesh Ghimire
I am getting error of: The getter 'address' was called on null. Bluetooth connection to a device import 'dart:convert'; import 'dart:typed_data'; import 'package:flutter_bluetooth_serial/flutter_bluetooth_serial.dart'; class Obd { BluetoothConnection connection; String address;...
Is there any way to return the listen data after sending the data. Here is my code please suggest me how can we achieve it. ``` //Sending the data void...
previously I am getting app_id is null although I have add full detail. I have found out this cause the problem with my laravel app.
How can we send data to bluetooth device and wait till response.