Merge pull request #1 from DeveshPankaj/master

Sample chat-app included .

Author: android-js

chat-app/.DS_Store

@@ -0,0 +1,6 @@
+
+## Build
+```bash
+$ androidjs b
+```
+

chat-app/README.md

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+const {back} = require('androidjs');
+const http = require('http').createServer();
+const io = require("socket.io")(http);
+const publicIp = require('public-ip');
+const ip_npm = require('ip');
+
+var localtunnel = require('localtunnel');
+
+var tunnel = localtunnel(3001, function(err, tunnel) {
+    if (err) throw err;
+    console.log(tunnel.url);
+    ip = tunnel.url;
+});
+
+tunnel.on('close', function() {
+    console.log('tunnel, closed');
+});
+
+
+
+http.listen(3001);
+
+
+let ip = undefined;
+ip = ip_npm.address();
+// (async () => {
+//     ip = await publicIp.v4();
+// })();
+
+// MY CHAT APP
+back.on('get-ip', function () {
+    console.log('ip request');
+    return ip;
+});
+
+
+io.on('connection', function (socket) {
+    console.log('a user2 connected');
+
+    socket.emit('hide-modal');
+    front.send('hide-modal');
+
+    socket.on('msg', (text) => {
+        console.log('msg from second user', text);
+        back.send('msg', text);
+    });
+
+    back.on('msg', (text)=>{
+        socket.emit('msg', text);
+    });
+
+    socket.on('disconnect', function () {
+        console.log('user2 disconnected');
+        front.send('open-modal');
+    });
+});