openai_webrtc 0.1.0

openai_webrtc: ^0.1.0 copied to clipboard

example/lib/main.dart

import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:openai_core/openai_core.dart';
import 'package:openai_webrtc/openai_webrtc.dart';

void main() {
  runApp(const MyApp());
}

class GetTimeTool extends RealtimeFunctionToolHandler {
  GetTimeTool()
    : super(
        metadata: RealtimeFunctionTool(
          name: "get_current_time",
          parameters: {
            "type": "object",
            "additionalProperties": false,
            "required": [],
            "properties": {},
          },
        ),
      );

  @override
  Future<String> execute(controller, arguments) async {
    return DateTime.now().toString();
  }
}

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

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Realtime WebRTC',
      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 purple 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),
      ),
      home: MyHomePage(title: "OpenAI WebRTC Test"),
    );
  }
}

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> {
  bool connected = false;

  void toggleConnection() {
    setState(() {
      connected = !connected;
    });
  }

  OpenAIClient? openai;

  @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 there
          // wireframe for each widget.
          spacing: 8,
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            if (connected)
              RealtimeSessionConnection(
                options: RealtimeSessionOptions(
                  model: RealtimeModel.gpt4oRealtimePreview,
                  initialTools: [GetTimeTool()],
                ),
                onReady: (controller) {
                  controller.serverEvents.map((event) {
                    print(jsonEncode(event.toJson()));
                  }).drain();

                  controller.send(
                    RealtimeResponseCreateEvent(
                      response: RealtimeResponse(
                        input: [
                          RealtimeMessageItem(
                            role: "user",
                            content: [RealtimeInputText("hi there")],
                            status: null,
                          ),
                        ],
                      ),
                    ),
                  );
                },

                openai: openai!,
                builder: (context, controller) => Center(
                  child: controller == null
                      ? CircularProgressIndicator()
                      : FilledButton(
                          onPressed: () {
                            toggleConnection();
                          },
                          child: Text("Disconnect"),
                        ),
                ),
              ),
            if (!connected) ...[
              SizedBox(
                width: 300,
                child: TextField(
                  obscureText: true,
                  decoration: InputDecoration(labelText: "OpenAI API Key"),
                  onChanged: (value) {
                    openai = OpenAIClient(apiKey: value);
                  },
                ),
              ),
              FilledButton(
                onPressed: () {
                  if (openai != null) {
                    toggleConnection();
                  }
                },
                child: Text("Connect"),
              ),
            ],
          ],
        ),
      ),
      // This trailing comma makes auto-formatting nicer for build methods.
    );
  }
}