Continuously check internet disconnection on Flutter app. You’ve already written the code to do what you want. You could easily wrap it in a page State or an InheritedWidget or some other managerial class.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | final Connectivity _connectivity; final StreamSubscription<ConnectivityResult> _subscription; ConstructorForWhateverClassThisIs() { _connectivity = new Connectivity(); _subscription = _connectivity.onConnectivityChanged.listen(onConnectivityChange); } void onConnectivityChange(ConnectivityResult result) { // TODO: Show snackbar, etc if no connectivity } void dispose() { // Always remember to cancel your subscriptions when you're done. subscription.cancel(); } |
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