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Websocket by socket.io for flutter by adhara, supports both iOS and Android

adhara_socket_io #

.github/workflows/flutter_integration.yaml

socket.io for flutter by adhara

supports both Android and iOS

socket.io version supported: v2 development in progress for v3 and v4

If you are using v3/v4 socket on server side, you may face connection issues, please downgrade and try in such scenario.

Usage:

See example/lib/main.dart for more detailed example

	final SOCKET_SERVER = 'http://192.168.1.2:7070/';	//To be modified accordingly
        SocketIO socket;
	StreamSubscription connectSubscription;
	StreamSubscription echoSubscription;

	Future<void> demonstrateSocket() async {
    	// Create a socket instance
		socket = await SocketIOManager().createInstance(
        	SocketOptions(SOCKET_SERVER),
        );

	// Listen to socket connect event
	subscription = socket.onConnect.listen((data){
	  print('connected: $data');
	  socket.emit('message', ['Hello world!']);
	});

        // Listen to an custom ("news") event
	echoSubscription = socket.on('echo', (data){
  	    print("news event recieved with data: $data");
	});

	// There are 2 ways to connect to socket server
	//  - normal: doesn't wait for connectio success
	//  - sync: ensures connection or errors out on failure

        // normal:
        //  connect to socket server - will initialize connection,
        //  but not ensure the connection yet.
        //  If this method used to connect to server, then emit events should be sent
        //  only after ensuring connection to socket server is successful by listening
        //  to onConnect events
	// await socket.connect();

	// sync:
        //  This API will ensure connection to server is successful
        //  or will throw error on connect error
        await socket.connectSync();

        // publish data - will publish to server, won't ensure the delivery
	await socket.emit('echo', ['hello']);

        // emit with acknowledgement - will publish to server
        //  and ensure delivery with ack if ack is implemented in server
        dynamic ackData = await socket.emitWithAck('echo', ['hello']);
            print('acknowledgement recieved from server: $ackData');
    	}

	Future<void> dispose() async {
	    // cancel echo and onConnect subscriptions
	    await echoSubscription.cancel();
	    await connectSubscription.cancel();

            // clear socket instance from manager
            await SocketIOManager().clearInstance(socket);
        }

	// register liteners, connect to a socket, and publish data
	demonstrateSocket();

	// will dispose listeners and socket
	dispose();

Running example: #

  1. clone the project
  2. start socket server in the background
cd socket.io.server
npm i
./node_modules/.bin/pm2/ index.js
cd ../
  1. open example/lib/main.dart and edit the URI in #7 to point to your hosted/local socket server instances as mentioned step 2

    For example:

    const String URI = "http://192.168.1.2:7000/";
    
    const String URI = "http://mysite.com/";
    
  2. run example

cd example
flutter run

iOS support 📢📢 #

This project uses Swift for iOS support, please enable Swift support for your project for this plugin to work

Android support for SDK > 27 #

Configure android:usesCleartextTraffic="true" as a property of <application ...> tag in android/app/src/main/AndroidManifest.xml

For example:


<application
        android:name="io.flutter.app.FlutterApplication"
        android:label="adhara_socket_io_example"
        android:usesCleartextTraffic="true"
        android:icon="@mipmap/ic_launcher">
        <activity
            android:name=".MainActivity"...>...</activity>
        ...
</application>

Refer to discussion here

Running tests #

This plugin uses flutter driver to run integration tests tests. Use below command to run integration tests on Android/iOS

sh bin/run_tests.sh

Sample Video - Running the example #

Running adhara socket io for flutter, example

FAQ's #

AdharaSocketIoPlugin.m:2:9: fatal error: 'adhara_socket_io/adhara_socket_io-Swift.h' file not found

add use_frameworks! to your Podfile as in the example https://github.com/infitio/flutter_socket_io/blob/master/example/ios/Podfile#L30

Read more about this: discussion

Other Packages: #

Feel free to checkout our Adhara package

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Publisher

verified publisherinfitio.com

Websocket by socket.io for flutter by adhara, supports both iOS and Android

Repository (GitHub)
View/report issues

License

unknown (license)

Dependencies

flutter, pedantic

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