flutter_ota 0.1.15

A Flutter package for OTA updating firmware of ESP32 using Bluetooth Low Energy (BLE).

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:ota_new_protocol/features/scanningAndConnection/presentation/controller/scanning_connection_controller.dart';
import 'package:ota_new_protocol/routing/routes.dart';
import 'package:ota_new_protocol/utils/colors.dart';

import 'app/app.dart';
import 'app/di.dart';
import 'common/custom_button/feedback_enabled_button.dart';
import 'package:get/get.dart';
import 'package:permission_handler/permission_handler.dart' as ph;
import 'core/permissions/bluetooth_adapter.dart';
import 'core/permissions/check_status.dart';

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await di();
  await PermissionEnable().check();

  // Request Bluetooth and location permissions
  Map<ph.Permission, ph.PermissionStatus> statuses = await [
    ph.Permission.bluetooth,
    ph.Permission.location,
    ph.Permission.storage, // Add storage permission here
  ].request();

  BluetoothAdapter.initBleStateStream();
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      theme: ThemeData(
        // This is the theme of your application.
        //
        // TRY THIS: Try running your application with "flutter run". You'll see
        // the application has a blue toolbar. Then, without quitting the app,
        // try changing the seedColor in the colorScheme below to Colors.green
        // and then invoke "hot reload" (save your changes or press the "hot
        // reload" button in a Flutter-supported IDE, or press "r" if you used
        // the command line to start the app).
        //
        // Notice that the counter didn't reset back to zero; the application
        // state is not lost during the reload. To reset the state, use hot
        // restart instead.
        //
        // This works for code too, not just values: Most code changes can be
        // tested with just a hot reload.
        colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
        useMaterial3: true,
      ),
      home: OTANewApp(),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  // This widget is the home page of your application. It is stateful, meaning
  // that it has a State object (defined below) that contains fields that affect
  // how it looks.

  // This class is the configuration for the state. It holds the values (in this
  // case the title) provided by the parent (in this case the App widget) and
  // used by the build method of the State. Fields in a Widget subclass are
  // always marked "final".

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  int _counter = 0;
  HomePageController homePageController = Get.find();

  void _incrementCounter() {
    setState(() {
      // This call to setState tells the Flutter framework that something has
      // changed in this State, which causes it to rerun the build method below
      // so that the display can reflect the updated values. If we changed
      // _counter without calling setState(), then the build method would not be
      // called again, and so nothing would appear to happen.
      _counter++;
    });
  }

  @override
  Widget build(BuildContext context) {
    // This method is rerun every time setState is called, for instance as done
    // by the _incrementCounter method above.
    //
    // The Flutter framework has been optimized to make rerunning build methods
    // fast, so that you can just rebuild anything that needs updating rather
    // than having to individually change instances of widgets.
    return Scaffold(
      appBar: AppBar(
        // TRY THIS: Try changing the color here to a specific color (to
        // Colors.amber, perhaps?) and trigger a hot reload to see the AppBar
        // change color while the other colors stay the same.
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        // Here we take the value from the MyHomePage object that was created by
        // the App.build method, and use it to set our appbar title.
        title: Text(widget.title),
      ),
      body: Center(
        // Center is a layout widget. It takes a single child and positions it
        // in the middle of the parent.
        child: Column(
          // Column is also a layout widget. It takes a list of children and
          // arranges them vertically. By default, it sizes itself to fit its
          // children horizontally, and tries to be as tall as its parent.
          //
          // Column has various properties to control how it sizes itself and
          // how it positions its children. Here we use mainAxisAlignment to
          // center the children vertically; the main axis here is the vertical
          // axis because Columns are vertical (the cross axis would be
          // horizontal).
          //
          // TRY THIS: Invoke "debug painting" (choose the "Toggle Debug Paint"
          // action in the IDE, or press "p" in the console), to see the
          // wireframe for each widget.
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            Padding(
              padding: const EdgeInsets.fromLTRB(20, 0, 20, 0),
              child: FeedbackEnabledButton(
                scaleFactor: 1.0,
                translationFactorX: 0.0,
                childWidget: Container(
                  //height: 30,
                  decoration: BoxDecoration(
                    shape: BoxShape.rectangle,
                    border: Border.all(
                      color: Colors.transparent,
                      width: 2,
                    ),
                    borderRadius: BorderRadius.circular(10.0),
                    gradient: const LinearGradient(
                      begin: Alignment.topLeft,
                      end: Alignment.bottomRight,
                      colors: [
                        secondaryColor,
                        secondaryColor,
                      ],
                    ),
                  ),
                  //margin: const EdgeInsets.only(top: 10.0),
                  child: const Padding(
                    padding: EdgeInsets.symmetric(horizontal: 20, vertical: 20),
                    child: Row(
                      mainAxisAlignment: MainAxisAlignment.center,
                      children: [
                        Text(
                          "Start Scanning",
                          style: TextStyle(
                              color: Color(0xFFFFFFFF),
                              fontFamily: 'Inter',
                              fontSize: 16,
                              fontWeight: FontWeight.w500
                          ),
                        ),
                      ],
                    ),
                  ),
                ),
                onTap: () async {
                  if (await PermissionEnable().check() == true) {
                    print("in start scaning");
                    homePageController.scannedDevicesList.clear();
                    print("Going to scaaning view page");
                    Get.toNamed(AppRoutes.scanning);
                    await homePageController.scanningMethod();
                  }
                  else{
                    print("permission denied");
                  }

                },
              ),

              /*GestureDetector(
                        onTap: (){
                          print("Tapped");
                          Get.offNamed(AppRoutes.addNewLeoDevice);
                        },
                        child:
                      )*/
            ),
          ],
        ),
      ), // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}