This plugin will allow develop send data and work with usb printer on android
flutter pub add drago_usb_printer
_getDevicelist() async {
List<Map<String, dynamic>> results = [];
results = await DragoUsbPrinter.getUSBDeviceList();
print(" length: ${results.length}");
setState(() {
devices = results;
});
}
_connect(int vendorId, int productId) async {
bool returned;
try {
returned = await DragoUsbPrinter.connect(vendorId, productId);
} on PlatformException {
//response = 'Failed to get platform version.';
}
if (returned) {
setState(() {
connected = true;
});
}
}
_print() async {
try {
var data = Uint8List.fromList(
utf8.encode(" Hello world Testing ESC POS printer..."));
await DragoUsbPrinter.write(data);
// await DragoUsbPrinter.printRawData("text");
// await DragoUsbPrinter.printText("Testing ESC POS printer...");
} on PlatformException {
//response = 'Failed to get platform version.';
}
}