export default function App() {
const [lastCalled, setLastCalled] = useState();

const obj = { app: "expo-http-server", desc: "You can load JSON!" };

useEffect(() => {
server.setup(9666, (event: server.StatusEvent) => {
if (event.status === "ERROR") {
// there was an error...
} else {
// server was STARTED, PAUSED, RESUMED or STOPPED
}
});
server.route("/", "GET", async (request) => {
console.log("Request", "/", "GET", request);
setLastCalled(Date.now());
return {
statusCode: 200,
headers: {
"Custom-Header": "Bazinga",
},
contentType: "application/json",
body: JSON.stringify(obj),
};
});
server.route("/html", "GET", async (request) => {
console.log("Request", "/html", "GET", request);
setLastCalled(Date.now());
return {
statusCode: 200,
statusDescription: "OK - CUSTOM STATUS",
contentType: "text/html",
body: html,
};
});
server.start();
return () => {
server.stop();
};
}, []);

return (
style={{
flex: 1,
backgroundColor: "#fff",
alignItems: "center",
justifyContent: "center",
}}
>

{lastCalled === undefined
? "Request webserver to change text"
: "Called at " + new Date(lastCalled).toLocaleString()}


);
}

Android: The server can be ran continuously in the background using a foreground service, e.g. a persistent notification. Notifee can be used to do this. Take a look at the example project for how to set this up.

Testing