| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package io.flutter.plugins.connectivity; |
| |
| import android.net.ConnectivityManager; |
| import android.net.Network; |
| import android.net.NetworkCapabilities; |
| import android.os.Build; |
| |
| /** Reports connectivity related information such as connectivity type and wifi information. */ |
| class Connectivity { |
| private ConnectivityManager connectivityManager; |
| |
| Connectivity(ConnectivityManager connectivityManager) { |
| this.connectivityManager = connectivityManager; |
| } |
| |
| String getNetworkType() { |
| if (android.os.Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) { |
| Network network = connectivityManager.getActiveNetwork(); |
| NetworkCapabilities capabilities = connectivityManager.getNetworkCapabilities(network); |
| if (capabilities == null) { |
| return "none"; |
| } |
| if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI) |
| || capabilities.hasTransport(NetworkCapabilities.TRANSPORT_ETHERNET)) { |
| return "wifi"; |
| } |
| if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR)) { |
| return "mobile"; |
| } |
| } |
| |
| return getNetworkTypeLegacy(); |
| } |
| |
| @SuppressWarnings("deprecation") |
| private String getNetworkTypeLegacy() { |
| // handle type for Android versions less than Android 9 |
| android.net.NetworkInfo info = connectivityManager.getActiveNetworkInfo(); |
| if (info == null || !info.isConnected()) { |
| return "none"; |
| } |
| int type = info.getType(); |
| switch (type) { |
| case ConnectivityManager.TYPE_ETHERNET: |
| case ConnectivityManager.TYPE_WIFI: |
| case ConnectivityManager.TYPE_WIMAX: |
| return "wifi"; |
| case ConnectivityManager.TYPE_MOBILE: |
| case ConnectivityManager.TYPE_MOBILE_DUN: |
| case ConnectivityManager.TYPE_MOBILE_HIPRI: |
| return "mobile"; |
| default: |
| return "none"; |
| } |
| } |
| |
| public ConnectivityManager getConnectivityManager() { |
| return connectivityManager; |
| } |
| } |