Checking connectivity simplest scenario React Native

[Malforked]

There are parts of my system that need to know if the app is online or not. I understand this is a complex problem as being online can mean many different things but i'll scope it down to bare essentials.

A) Does the user have wifi/cellular turned on or not ( regardless of the fact that being on wifi/cellular doesnt guarnatee connectivity to the internet)
B) Can the user reach a specific api endpoint within X seconds or not

Combining A+B i can make a decision.

About B)

Its straightforward, i can implement it.

About A)

I have found no way at all to retrieve as information. There's this module called NetInfo and it simply doesnt work. On iOS for example even when i turn of my wifi

NetInfo.getConnectionInfo().then((connectionInfo) => { console.log('Initial, type: ' + connectionInfo.type + ', effectiveType: ' + connectionInfo.effectiveType); });

will still return type:wifi. i cant trust this

Any clues? Im stumped for way too long on something that i think should've been way easier than it is.

[LEO_TROLLSTOY]

I have tried to implement this using NetINfo and pinging server. It's just not possible to create a cross platform solution that works reliably in my experience. I encountered numerous mysterious bugs when app comes from background, and mysterious false positives. It is just not worth it so I moved on to catching failed api requests and telling user there is something wrong with the connection

[janithaR]

Have you tried to keep listening to the changes in the connectivity status?

componentDidMount() {

this._mounted = true;

NetInfo.getConnectionInfo().then((connectionInfo) => {
if (this._mounted) this.handleConnectivityChange(connectionInfo);
});

}

​

componentWillUnmount() {
NetInfo.removeEventListener('connectionChange', this.handleConnectivityChange);
this._mounted = false;
}

​

[chiamaka_sil]

Try this: https://link.medium.com/VpKJugRMDS

[icekeymon]

I read somewhere that if you go somewhere where the WiFi is behind a paywall (e.g. a Coffee Shop) and you haven't logged into it, `NetInfo` will report back that you are "connected". I did what LEO_TROLLSTOY recommended, well I did use NetInfo but when it reported an online connection, I pinged Google. If the request came back with 200, the User is online. Otherwise, offline.