TinyWeb

TinyWeb is a simple Android library based on NanoHTTPD. This library handles routing and middlewares features.

Add jitpack in repositories

allprojects {
	repositories {
		...
		maven { url 'https://jitpack.io' }
	}
}

Install gradle dependencies

Without WebSocket

dependencies {
    implementation 'com.github.tejmagar:tinyweb:1.0.0'
    implementation 'org.nanohttpd:nanohttpd:2.3.1'
}

With WebSocket

dependencies {
    implementation 'com.github.tejmagar:tinyweb:1.0.0'
    implementation 'org.nanohttpd:nanohttpd-websocket:2.3.1'
}

Creating a View

import org.tinyweb.views.View;
import fi.iki.elonen.NanoHTTPD;

public class HomeView extends View {

    @Override
    public NanoHTTPD.Response getResponse(NanoHTTPD.IHTTPSession request) {
        return NanoHTTPD.newFixedLengthResponse("Hello World");
    }
}

Creating a server

TinyWeb tinyWeb = new TinyWeb(8000);
Routes routes = new Routes();
routes.addRoute(new Path("/", new HomeView()));
tinyWeb.setRoutes(routes);

try {
    tinyWeb.start();
} catch (IOException e) {
    throw new RuntimeException(e);
}

Creating a server with WebSocket

Creating a WsView

import org.tinyweb.views.WsView;
import org.tinyweb.websocket.TinyWebSocket;

import java.io.IOException;

import fi.iki.elonen.NanoHTTPD;
import fi.iki.elonen.NanoWSD;

public class MyWsView extends WsView {

    @Override
    public NanoWSD.WebSocket webSocket(NanoHTTPD.IHTTPSession request) {
        return new MyTinyWebSocket(request);
    }

    static class MyTinyWebSocket extends TinyWebSocket {

        public MyTinyWebSocket(NanoHTTPD.IHTTPSession handshakeRequest) {
            super(handshakeRequest);
        }

        @Override
        protected void onOpen() {
            super.onOpen();
            try {
                send("Connected");
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }

        @Override
        protected void onMessage(NanoWSD.WebSocketFrame messageFrame) {
            super.onMessage(messageFrame);
            System.out.println(messageFrame.getTextPayload());
        }
    }
}

Use TinyWebWs class for Web Server

Routes routes = new Routes();
routes.addRoute(new Path("/", new HomeView()));

Routes wsRoutes = new Routes();
wsRoutes.addRoute(new Path("/ws/", new MyWsView()));

TinyWebWS tinyWeb = new TinyWebWS(8000);
tinyWeb.setRoutes(routes);
tinyWeb.setWsRoutes(wsRoutes);

try {
    tinyWeb.start();
} catch (IOException e) {
    throw new RuntimeException(e);
}

Tips

Running server in foreground service helps to serve pages in background even after closing app.