blueprint_flutter

Flutter plugin upgrade dependence of flutter_bluetooth_basic that allows to find bluetooth devices & send raw bytes data. Supports both Android and iOS.

Inspired by bluetooth_print.

Inspired by flutter_bluetooth_basic

Main Features

• Android and iOS support
• Scan for bluetooth devices
• Send raw List<int> bytes data to a device

Bluetooth Status

Check that bluetooth is on. For a complete example, see the /example folder. These are just the most important parts of the code to illustrate how to use the library.

BluetoothManager bluetoothManager = BluetoothManager.instance;

....
var bluetoothIsOn = await bluetoothManager.isOn;

if(bluetoothIsOn){
    print("Bluetooth encendido");
    .....
}else{
    print("Encienda el bluetooth");
    .....
}

.......

Getting Started

For a full example please check /example folder. Here are only the most important parts of the code to illustrate how to use the library.

BluetoothManager bluetoothManager = BluetoothManager.instance;
BluetoothDevice _device;
bluetoothManager.startScan(timeout: Duration(seconds: 4));
bluetoothManager.state.listen((state) {
    switch (state) {
    case BluetoothManager.CONNECTED:
        // ...
        break;
    case BluetoothManager.DISCONNECTED:
        // ...
        break;
    default:
        break;
    }
});
// bluetoothManager.scanResults is a Stream<List<BluetoothDevice>> sending the found devices.
// _device = <from bluetoothManager.scanResults>
await bluetoothManager.connect(_device);
List<int> bytes = latin1.encode('Hello world!\n').toList();
await bluetoothManager.writeData(bytes);
await bluetoothManager.disconnect();

Bluetooth connect device

For a complete example, see the /example folder. These are just the most important parts of the code to illustrate how to use the library.

BluetoothManager bluetoothManager = BluetoothManager.instance;

....
    await bluetoothManager.connect(_device);
.......

Bluetooth print data

For a complete example, see the /example folder. These are just the most important parts of the code to illustrate how to use the library.

BluetoothManager bluetoothManager = BluetoothManager.instance;

....
    List<int> bytes = latin1.encode('Hello world!\n').toList();
    await bluetoothManager.writeData(bytes);
.......

Bluetooth disconnect device

For a complete example, see the /example folder. These are just the most important parts of the code to illustrate how to use the library.

BluetoothManager bluetoothManager = BluetoothManager.instance;

....
    await bluetoothManager.disconnect();
.......

Bluetooth destroy device

For a complete example, see the /example folder. These are just the most important parts of the code to illustrate how to use the library.

BluetoothManager bluetoothManager = BluetoothManager.instance;

....
    await bluetoothManager.destroy();
.......

See also

• Example of usage in a project: esc_pos_printer