getting internet connectivity in flutter with getx
import 'dart:async';
import 'package:connectivity_plus/connectivity_plus.dart';
import 'package:flutter/services.dart';
import 'package:get/get.dart';
class NetworkController extends GetxController {
static NetworkController to = Get.find();
//this variable 0 = No Internet, 1 = connected to WIFI ,2 = connected to Mobile Data.
//Instance of Flutter Connectivity
int connectionType = 0;
final Connectivity _connectivity = Connectivity();
//Stream to keep listening to network change state
late StreamSubscription _streamSubscription;
@override
void onInit() {
super.onInit();
_getConnectionType();
_streamSubscription =
_connectivity.onConnectivityChanged.listen(_updateState);
}
// a method to get which connection result, if you we connected to internet or no if yes then which network
Future<void> _getConnectionType() async {
ConnectivityResult? connectivityResult;
try {
connectivityResult = await (_connectivity.checkConnectivity());
} on PlatformException catch (e) {
print(e);
}
return _updateState(connectivityResult!);
}
// state update, of network, if you are connected to WIFI connectionType will get set to 1,
// and update the state to the consumer of that variable.
_updateState(ConnectivityResult result) {
switch (result) {
case ConnectivityResult.wifi:
connectionType = 1;
update();
break;
case ConnectivityResult.mobile:
connectionType = 2;
update();
break;
case ConnectivityResult.none:
connectionType = 0;
update();
break;
default:
Get.snackbar('Network Error', 'Failed to get Network Status');
break;
}
}
@override
void onClose() {
//stop listening to network state when app is closed
_streamSubscription.cancel();
super.onClose();
}
}