
Provides a helper function `checkInternetConnexion` using the `connectivity_plus` package. It returns true for network types typically used for internet access (mobile, wifi, ethernet, vpn) and false otherwise.
50 lines
1.8 KiB
Dart
50 lines
1.8 KiB
Dart
import 'package:connectivity_plus/connectivity_plus.dart';
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import 'package:flutter/material.dart';
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extension StatefulWidgetExtensions on State<StatefulWidget> {
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/// Check if the widget exist before safely setting state.
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void safeSetState(VoidCallback fn) {
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if (mounted) {
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// ignore: invalid_use_of_protected_member
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setState(fn);
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}
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}
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}
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Future<bool> checkInternetConnexion() async {
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final List<ConnectivityResult> connectivityResult = await (Connectivity()
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.checkConnectivity());
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// This condition is for demo purposes only to explain every connection type.
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// Use conditions which work for your requirements.
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if (connectivityResult.contains(ConnectivityResult.mobile)) {
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// Mobile network available.
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return true;
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} else if (connectivityResult.contains(ConnectivityResult.wifi)) {
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// Wi-fi is available.
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// Note for Android:
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// When both mobile and Wi-Fi are turned on system will return Wi-Fi only as active network type
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return true;
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} else if (connectivityResult.contains(ConnectivityResult.ethernet)) {
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// Ethernet connection available.
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return true;
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} else if (connectivityResult.contains(ConnectivityResult.vpn)) {
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// Vpn connection active.
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// Note for iOS and macOS:
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// There is no separate network interface type for [vpn].
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// It returns [other] on any device (also simulator)
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return true;
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} else if (connectivityResult.contains(ConnectivityResult.bluetooth)) {
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// Bluetooth connection available.
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return false;
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} else if (connectivityResult.contains(ConnectivityResult.other)) {
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// Connected to a network which is not in the above mentioned networks.
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return false;
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} else if (connectivityResult.contains(ConnectivityResult.none)) {
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// No available network types
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return false;
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} else {
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return false;
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}
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}
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