brady_flutter_plugin 1.7.0+1 brady_flutter_plugin: ^1.7.0+1 copied to clipboard
The official Flutter Plugin to integrate the Brady SDK within a Flutter application. The Brady SDK will allow users to discovery, connect, and print to Brady printers.
import 'package:flutter/material.dart';
import 'dart:async';
import 'dart:convert';
import 'package:flutter/services.dart';
import 'package:brady_flutter_plugin/brady_flutter_plugin.dart';
import 'package:permission_handler/permission_handler.dart';
Uint8List? previewImage;
void main() {
runApp(const MyApp());
}
class MyApp extends StatefulWidget {
const MyApp({super.key});
@override
State<MyApp> createState() => _MyAppState();
}
class _MyAppState extends State<MyApp> {
final _bradyFlutterPlugin = BradyFlutterPlugin();
bool showImage = false;
@override
void initState() {
super.initState();
}
Future<void> discover() async {
await [
Permission.bluetooth,
Permission.bluetoothConnect,
Permission.bluetoothScan,
Permission.nearbyWifiDevices,
Permission.locationWhenInUse
].request();
_bradyFlutterPlugin.startBlePrinterDiscovery();
//_bradyFlutterPlugin.startWifiPrinterDiscovery();
}
Future<void> connect() async {
final printerNames = await _bradyFlutterPlugin.getPrinters();
final isBT =
await _bradyFlutterPlugin.isPrinterBluetooth("M611-PGM6112301301020");
if (isBT != null && isBT) {
debugPrint("FOUND WITH BLE");
} else if (isBT != null && !isBT) {
debugPrint("FOUND WITH WI-FI");
}
for (final printer in printerNames) {
//TODO: REPLACE THE VALUE BELOW WITH YOUR PRINTER NAME.
if (printer!.contains("M611-PGM6112301301020")) {
final connected =
await _bradyFlutterPlugin.connectToBluetoothPrinter(printer);
//final connected = await _bradyFlutterPlugin.connectToWifiPrinter(printer);
if (connected == true) {
debugPrint("CONNECTED!");
break;
} else {
debugPrint("FAILED TO CONNECT!");
}
}
}
}
void setTemplate() async {
//TODO: REPLACE THE VALUE BELOW WITH YOUR TEMPLATE NAME.
try {
await _bradyFlutterPlugin.setTemplate("assets/flutter_multi_label.BWT");
} catch (e) {
debugPrint("Template Not Loaded Error: $e");
}
//TODO: REPLACE THE VALUES BELOW WITH YOUR TEMPLATE'S PLACEHOLDER NAME'S.
_bradyFlutterPlugin.setPlaceholderValue("TEXT 1", "first");
_bradyFlutterPlugin.setPlaceholderValue("TEXT 2", "second");
_bradyFlutterPlugin.setPlaceholderValue("TEXT 3", "third");
_bradyFlutterPlugin.setPlaceholderValue("TEXT 4", "fourth");
final templateDataNames = await _bradyFlutterPlugin.getTemplateDataNames();
for (final obj in templateDataNames) {
debugPrint("getTemplateDataNames() -> ${obj!}");
}
var details = "";
details +=
"Connection Status: ${await _bradyFlutterPlugin.getPrinterStatus()}";
details += " (${await _bradyFlutterPlugin.getConnectionType()})\n";
details +=
"Connection Status Message: ${await _bradyFlutterPlugin.getPrinterStatusMessage()}\n";
details +=
"Connection Status Message Title: ${await _bradyFlutterPlugin.getPrinterStatusMessageTitle()}\n";
details +=
"Connection Status Remedy Explanation Message: ${await _bradyFlutterPlugin.getPrinterStatusRemedyExplanationMessage()}\n";
details +=
"Has Ownership: ${await _bradyFlutterPlugin.getHaveOwnership()}\n";
details += "Printer Name: ${await _bradyFlutterPlugin.getPrinterName()}";
details += " (${await _bradyFlutterPlugin.getPrinterModel()})\n";
details +=
"Last Connected Printer: ${await _bradyFlutterPlugin.getLastConnectedPrinterName()}\n";
details += "Supply Name: ${await _bradyFlutterPlugin.getSupplyName()}\n";
details +=
"Template Supply Name: ${await _bradyFlutterPlugin.getTemplateSupplyName()}\n";
details +=
"Supply Dimensions: ${await _bradyFlutterPlugin.getSupplyWidth()}"
"in. x ${await _bradyFlutterPlugin.getSupplyHeight()}in.\n";
details +=
"Remaining Supply: ${await _bradyFlutterPlugin.getSupplyRemainingPercentage()}\n";
details +=
"Battery Level: ${await _bradyFlutterPlugin.getBatteryLevelPercentage()}";
details += ", Charging: ${await _bradyFlutterPlugin.getIsAcConnected()}\n";
details += "PreSized: ${await _bradyFlutterPlugin.getIsSupplyPreSized()}\n";
details +=
"Part Mismatch: ${await _bradyFlutterPlugin.checkForPartMismatch()}\n";
debugPrint(details);
}
Future<void> printTemplate() async {
final printed = await _bradyFlutterPlugin.print(2, false, true, false);
if (printed == true) {
debugPrint("PRINTING SUCCESSFUL!");
} else {
debugPrint("PRINTING FAILED!");
}
}
Future<void> feed() async {
final fed = await _bradyFlutterPlugin.feed();
if (fed == true) {
debugPrint("FED SUCCESSFUL!");
} else {
debugPrint("FED FAILED!");
}
}
Future<void> cut() async {
final cut = await _bradyFlutterPlugin.cut();
if (cut == true) {
debugPrint("CUT SUCCESSFUL!");
} else {
debugPrint("CUT FAILED!");
}
}
Future<void> disconnect() async {
final disconnected = await _bradyFlutterPlugin.disconnect();
if (disconnected == true) {
debugPrint("DISCONNECT SUCCESSFUL!");
} else {
debugPrint("DISCONNECT FAILED!");
}
}
Future<void> disconnectWithoutForget() async {
final disconnected = await _bradyFlutterPlugin.disconnectWithoutForget();
if (disconnected == true) {
debugPrint("DISCONNECT SUCCESSFUL!");
} else {
debugPrint("DISCONNECT FAILED!");
}
}
Future<void> forgetLastConnectedPrinter() async {
_bradyFlutterPlugin.forgetLastConnectedPrinter();
}
Future<void> getPreview() async {
var base64 = await _bradyFlutterPlugin.getPreview(200);
previewImage = base64Decode(base64!);
setState(() {
showImage = true;
});
}
Future<void> getAvailableUpdates() async {
var updatesList = await _bradyFlutterPlugin.getAvailablePrinterUpdates();
for (int i = 0; i < updatesList.length; i++) {
debugPrint(updatesList[i]);
}
}
@override
Widget build(BuildContext context) {
return MaterialApp(
home: Scaffold(
appBar: AppBar(
title: const Text('Plugin example app'),
),
body: SingleChildScrollView(
child: Stack(
children: <Widget>[
Column(
children: [
ElevatedButton(
onPressed: () {
discover();
},
child: const Text('Start Discovery')),
ElevatedButton(
onPressed: () {
connect();
},
child: const Text('Connect')),
ElevatedButton(
onPressed: () {
setTemplate();
},
child: const Text('Set Template')),
ElevatedButton(
onPressed: () {
printTemplate();
},
child: const Text('Print')),
ElevatedButton(
onPressed: () {
feed();
},
child: const Text('Feed')),
ElevatedButton(
onPressed: () {
cut();
},
child: const Text('Cut')),
ElevatedButton(
onPressed: () {
disconnect();
},
child: const Text('Disconnect')),
ElevatedButton(
onPressed: () {
disconnectWithoutForget();
},
child: const Text('Disconnect Without Forget')),
ElevatedButton(
onPressed: () {
forgetLastConnectedPrinter();
},
child: const Text('Forget')),
ElevatedButton(
onPressed: () {
getPreview();
},
child: const Text('Show Print Preview')),
ElevatedButton(
onPressed: () {
getAvailableUpdates();
},
child: const Text('Get Available Updates')),
showImage
? Column(
children: [
Image.memory(previewImage!),
],
)
: const SizedBox(
height: 0,
),
],
),
],
),
),
));
}
}