bluesy 0.1.0

A Flutter widget library for serial Bluetooth communication between smart phones and microcontrollers.

example/lib/main.dart

import 'package:bluesy/bluesy.dart';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

void main() {
  runApp(BluesySampleApp());
}

class BluesySampleApp extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Bluesy Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData.light(),
      home: Scaffold(
          body: BluesyServiceProvider(
        service: BluesyGenericService("HC-05 JSON Test"),
        builder: (BuildContext context, Widget child) {
          final bluesy = Provider.of<BluesyService>(context);
          if (bluesy.isConnected) {
            return _BluesyWidgetsDemoScreen();
          } else {
            if (bluesy.isConnecting) {
              return _LoadingScreen();
            }
            return _ConnectScreen();
          }
        },
      )),
    );
  }
}

class _BluesyWidgetsDemoScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Column(
      mainAxisAlignment: MainAxisAlignment.center,
      crossAxisAlignment: CrossAxisAlignment.stretch,
      children: [
        Center(
          child: SizedBox(
            width: 300,
            child: BluesyText(
              name: "Bluesy Text Widget Sample",
              key: "Text",
              fontSize: 24,
              textAlign: TextAlign.center,
            ),
          ),
        ),
        BluesyGenericWidget(
          name: "Bluesy Generic Widget Sample",
          keys: [
            "Data_0",
            "Data_1",
            "Data_2",
            "Data_3",
          ],
          builder: (context, propertyValueSetter, keyValueMap) {
            final List<Widget> children = [];
            keyValueMap.forEach((key, value) {
              children.add(Text("$key: $value"));
            });
            return Padding(
              padding: const EdgeInsets.symmetric(vertical: 32.0),
              child: Column(children: children),
            );
          },
        ),
        _DisconnectSection(),
      ],
    );
  }
}

class _DisconnectSection extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    final bluesy = Provider.of<BluesyService>(context);
    return Column(
      mainAxisAlignment: MainAxisAlignment.center,
      crossAxisAlignment: CrossAxisAlignment.stretch,
      children: [
        Padding(
          padding: const EdgeInsets.all(8.0),
          child: Center(
            child: RaisedButton(
              child: Text("Disconnect"),
              onPressed: () {
                bluesy.disconnect();
              },
            ),
          ),
        ),
        Padding(
          padding: const EdgeInsets.all(8.0),
          child: Text(
            "Disconnect from HC-05",
            textAlign: TextAlign.center,
          ),
        ),
      ],
    );
  }
}

class _ConnectScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    final bluesy = Provider.of<BluesyService>(context);
    return Padding(
      padding: const EdgeInsets.only(top: 24.0),
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        crossAxisAlignment: CrossAxisAlignment.stretch,
        children: [
          Padding(
            padding: const EdgeInsets.all(8.0),
            child: Center(
              child: RaisedButton(
                child: Text("Connect"),
                onPressed: () {
                  bluesy.connect();
                },
              ),
            ),
          ),
          Padding(
            padding: const EdgeInsets.all(8.0),
            child: Text(
              "Connect to HC-05",
              textAlign: TextAlign.center,
            ),
          ),
        ],
      ),
    );
  }
}

class _LoadingScreen extends StatelessWidget {
  @override
  Widget build(BuildContext context) {
    return Column(
      mainAxisAlignment: MainAxisAlignment.center,
      crossAxisAlignment: CrossAxisAlignment.stretch,
      children: [
        Padding(
          padding: const EdgeInsets.all(8.0),
          child: Center(
            child: CircularProgressIndicator(),
          ),
        ),
        Padding(
          padding: const EdgeInsets.all(8.0),
          child: Text(
            "Connecting to HC-05",
            textAlign: TextAlign.center,
          ),
        ),
      ],
    );
  }
}