Java Code Examples for android.net.ConnectivityManager#getAllNetworks()

The following examples show how to use android.net.ConnectivityManager#getAllNetworks() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: Util.java    From NetGuard with GNU General Public License v3.0 6 votes vote down vote up 
public static boolean isConnected(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    if (cm == null)
        return false;

    NetworkInfo ni = cm.getActiveNetworkInfo();
    if (ni != null && ni.isConnected())
        return true;

    Network[] networks = cm.getAllNetworks();
    if (networks == null)
        return false;

    for (Network network : networks) {
        ni = cm.getNetworkInfo(network);
        if (ni != null && ni.getType() != ConnectivityManager.TYPE_VPN && ni.isConnected())
            return true;
    }

    return false;
}
Example 2
Source File: Dns.java    From HttpInfo with Apache License 2.0 6 votes vote down vote up 
private static String[] readDnsServersFromConnectionManager(Context context) {
    LinkedList<String> dnsServers = new LinkedList<>();
    if (Build.VERSION.SDK_INT >= 21 && context != null) {
        ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(context.CONNECTIVITY_SERVICE);
        if (connectivityManager != null) {
            NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo();
            for (Network network : connectivityManager.getAllNetworks()) {
                NetworkInfo networkInfo = connectivityManager.getNetworkInfo(network);
                if (networkInfo.getType() == activeNetworkInfo.getType()) {
                    LinkProperties lp = connectivityManager.getLinkProperties(network);
                    for (InetAddress addr : lp.getDnsServers()) {
                        dnsServers.add(addr.getHostAddress());
                    }
                }
            }
        }
    }
    return dnsServers.isEmpty() ? new String[0] : dnsServers.toArray(new String[dnsServers.size()]);
}
Example 3
Source File: ConnectionHelper.java    From FairEmail with GNU General Public License v3.0 6 votes vote down vote up 
static boolean vpnActive(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    if (cm == null)
        return false;

    try {
        for (Network network : cm.getAllNetworks()) {
            NetworkCapabilities caps = cm.getNetworkCapabilities(network);
            if (caps != null && caps.hasTransport(NetworkCapabilities.TRANSPORT_VPN))
                return true;
        }
    } catch (Throwable ex) {
        Log.w(ex);
    }

    return false;
}
Example 4
Source File: NetUtils.java    From Cornowser with MIT License 6 votes vote down vote up 
public static boolean isWifiConnected(Context context) {
    ConnectivityManager connManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    if(Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
        NetworkInfo mWifi = connManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI);
        return mWifi.isConnected();
    } else {
        Network[] nets = connManager.getAllNetworks();
        for(Network net : nets) {
            NetworkInfo ni = connManager.getNetworkInfo(net);
            if (ni.getType() == ConnectivityManager.TYPE_WIFI
                    || ni.getType() == ConnectivityManager.TYPE_ETHERNET
                    && ni.isConnected()) return true;
        }
    }
    return false;
}
Example 5
Source File: NetworkUtil.java    From mirror with Apache License 2.0 6 votes vote down vote up 
public static String ipAddress(final Context context) {
    final ConnectivityManager manager = (ConnectivityManager) context.getSystemService(CONNECTIVITY_SERVICE);
    if (manager != null) {
        final Network[] networks = manager.getAllNetworks();
        if (networks != null) {
            for (final Network network : networks) {
                final NetworkInfo info = manager.getNetworkInfo(network);
                if (info.isConnected()) {
                    if (info.getType() == ConnectivityManager.TYPE_WIFI) {
                        return getIpAddressFromWifi(context);
                    } else if (info.getType() == ConnectivityManager.TYPE_MOBILE) {
                        return getIpAddressFromMobile();
                    }
                }
            }
        }
    }
    return null;
}
Example 6
Source File: NetUtils.java    From WanAndroid with MIT License 6 votes vote down vote up 
public static int getNetWorkState() {
    if (mContext == null) {
        throw new UnsupportedOperationException("please use NetUtils before init it");
    }
    // 得到连接管理器对象
    ConnectivityManager connMgr = (ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
    //获取所有网络连接的信息
    Network[] networks = connMgr.getAllNetworks();
    //通过循环将网络信息逐个取出来
    for (int i = 0; i < networks.length; i++) {
        //获取ConnectivityManager对象对应的NetworkInfo对象
        NetworkInfo networkInfo = connMgr.getNetworkInfo(networks[i]);
        if (networkInfo.isConnected()) {
            if (networkInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
                return NETWORK_MOBILE;
            } else {
                return NETWORK_WIFI;
            }
        }
    }
    return NETWORK_NONE;
}
Example 7
Source File: SdkUtils.java    From box-android-sdk with Apache License 2.0 5 votes vote down vote up 
@RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)
private static boolean isInternetAvailable(ConnectivityManager connectivityManager) {
    Network[] allNetworks = connectivityManager.getAllNetworks();
    if (allNetworks != null) {
        for (Network network : allNetworks) {
            NetworkInfo networkInfo = connectivityManager.getNetworkInfo(network);
            if (networkInfo != null && networkInfo.isConnected()) {
                if (networkInfo.getType() == ConnectivityManager.TYPE_WIFI || networkInfo.getType() == ConnectivityManager.TYPE_MOBILE) {
                    return true;
                }
            }
        }
    }
    return false;
}
Example 8
Source File: AndroidUsingLinkProperties.java    From Pix-Art-Messenger with GNU General Public License v3.0 5 votes vote down vote up 
@Override
@TargetApi(21)
public String[] getDnsServerAddresses() {
    final ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    final Network[] networks = connectivityManager == null ? null : connectivityManager.getAllNetworks();
    if (networks == null) {
        return new String[0];
    }
    final Network activeNetwork = getActiveNetwork(connectivityManager);
    final List<String> servers = new ArrayList<>();
    int vpnOffset = 0;
    for (Network network : networks) {
        LinkProperties linkProperties = connectivityManager.getLinkProperties(network);
        if (linkProperties == null) {
            continue;
        }
        final NetworkInfo networkInfo = connectivityManager.getNetworkInfo(network);
        final boolean isActiveNetwork = network.equals(activeNetwork);
        final boolean isVpn = networkInfo != null && networkInfo.getType() == ConnectivityManager.TYPE_VPN;
        if (isActiveNetwork && isVpn) {
            final List<String> tmp = getIPv4First(linkProperties.getDnsServers());
            servers.addAll(0, tmp);
            vpnOffset += tmp.size();
        } else if (hasDefaultRoute(linkProperties) || isActiveNetwork || activeNetwork == null || isVpn) {
            servers.addAll(vpnOffset, getIPv4First(linkProperties.getDnsServers()));
        }
    }
    return servers.toArray(new String[0]);
}
Example 9
Source File: AptoideUtils.java    From aptoide-client with GNU General Public License v2.0 5 votes vote down vote up 
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private static boolean isAvailableSdk21(final ConnectivityManager manager,
                                        final int networkType) {
    for (final Network network : manager.getAllNetworks()) {
        final NetworkInfo info = manager.getNetworkInfo(network);
        if (info != null && info.isConnected() && info.getType() == networkType) {
            return true;
        }
    }
    return false;
}
Example 10
Source File: NetworkUtil.java    From mirror with Apache License 2.0 5 votes vote down vote up 
public static boolean isNetworkConnected(final Context context) {
    final ConnectivityManager manager = (ConnectivityManager) context.getSystemService(CONNECTIVITY_SERVICE);
    if (manager != null) {
        final Network[] networks = manager.getAllNetworks();
        if (networks != null) {
            for (final Network network : networks) {
                final NetworkInfo info = manager.getNetworkInfo(network);
                if (info.getState() == CONNECTED) {
                    return true;
                }
            }
        }
    }
    return false;
}
Example 11
Source File: NetworkUtils.java    From YCVideoPlayer with Apache License 2.0 5 votes vote down vote up 
private static boolean isConnected(Context context, int type) {
    //getAllNetworkInfo() 在 API 23 中被弃用
    //getAllNetworks() 在 API 21 中才添加
    ConnectivityManager manager = (ConnectivityManager) context.
            getSystemService(Context.CONNECTIVITY_SERVICE);
    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
        NetworkInfo[] allNetworkInfo = new NetworkInfo[0];
        if (manager != null) {
            allNetworkInfo = manager.getAllNetworkInfo();
        }
        for (NetworkInfo info : allNetworkInfo) {
            if (info.getType() == type) {
                return info.isAvailable();
            }
        }
    } else {
        Network[] networks = new Network[0];
        if (manager != null) {
            networks = manager.getAllNetworks();
        }
        for (Network network : networks) {
            NetworkInfo networkInfo = manager.getNetworkInfo(network);
            if (networkInfo.getType() == type) {
                return networkInfo.isAvailable();
            }
        }
    }
    return false;
}
Example 12
Source File: GnirehtetService.java    From gnirehtet with Apache License 2.0 5 votes vote down vote up 
private Network findVpnNetwork() {
    ConnectivityManager cm = (ConnectivityManager) getSystemService(Context.CONNECTIVITY_SERVICE);
    Network[] networks = cm.getAllNetworks();
    for (Network network : networks) {
        LinkProperties linkProperties = cm.getLinkProperties(network);
        List<LinkAddress> addresses = linkProperties.getLinkAddresses();
        for (LinkAddress addr : addresses) {
            if (addr.getAddress().equals(VPN_ADDRESS)) {
                return network;
            }
        }
    }
    return null;
}
Example 13
Source File: LocalIPUtil.java    From DanDanPlayForAndroid with MIT License 5 votes vote down vote up 
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private LinkProperties getLinkProperties(ConnectivityManager connectivityManager, int cap) {
    Network nets[] = connectivityManager.getAllNetworks();
    for (Network n: nets) {
        LinkProperties linkProperties = connectivityManager.getLinkProperties(n);
        NetworkCapabilities networkCapabilities = connectivityManager.getNetworkCapabilities(n);
        String interfaceName =  linkProperties.getInterfaceName();
        if (interfaceName != null && networkCapabilities != null) {
            if (networkCapabilities.hasTransport(cap))
                return linkProperties;
        }
    }
    return null;
}
Example 14
Source File: DataUtil.java    From MobileInfo with Apache License 2.0 5 votes vote down vote up 
/**
 * 网络是否可用
 */
public static boolean isNetworkAvailable(Context context) {
    try {
        ConnectivityManager mgr = (ConnectivityManager) context
                .getSystemService(Context.CONNECTIVITY_SERVICE);
        if (mgr == null) {
            return false;
        }
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
            Network[] networks = mgr.getAllNetworks();
            NetworkInfo networkInfo;
            for (Network mNetwork : networks) {
                networkInfo = mgr.getNetworkInfo(mNetwork);
                if (networkInfo.getState().equals(NetworkInfo.State.CONNECTED)) {
                    return true;
                }
            }
        } else {
            NetworkInfo[] info = mgr.getAllNetworkInfo();
            if (info != null) {
                for (NetworkInfo anInfo : info) {
                    if (anInfo.getState() == NetworkInfo.State.CONNECTED) {
                        return true;
                    }
                }
            }
        }
    } catch (Exception e) {
        return true;
    }
    return false;
}
Example 15
Source File: DNSFilterService.java    From personaldnsfilter with GNU General Public License v2.0 5 votes vote down vote up 
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private static Network[] getConnectedNetworks(ConnectivityManager conMan, int type) {
	ArrayList<Network> nwList = new ArrayList<Network>();
	Network[] nw = conMan.getAllNetworks();
	for (int i = 0; i < nw.length;i++) {
		NetworkInfo ni = conMan.getNetworkInfo(nw[i]);
		if (ni != null && (ni.getType() == type || type == -1) && ni.isConnected())
			nwList.add(nw[i]);
	}
	return nwList.toArray(new Network[nwList.size()]);
}
Example 16
Source File: Utils.java    From Infinity-For-Reddit with GNU Affero General Public License v3.0 5 votes vote down vote up 
public static boolean isConnectedToWifi(Context context) {
    ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    if (connMgr != null) {
        for (Network network : connMgr.getAllNetworks()) {
            NetworkInfo networkInfo = connMgr.getNetworkInfo(network);
            if (networkInfo != null && networkInfo.getType() == ConnectivityManager.TYPE_WIFI) {
                return networkInfo.isConnected();
            }
        }
    }

    return false;
}
Example 17
Source File: DnsHelper.java    From FairEmail with GNU General Public License v3.0 5 votes vote down vote up 
private static String getDnsServer(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
    if (cm == null)
        return DEFAULT_DNS;

    LinkProperties props = null;

    if (Build.VERSION.SDK_INT < Build.VERSION_CODES.M)
        for (Network network : cm.getAllNetworks()) {
            NetworkInfo ni = cm.getNetworkInfo(network);
            if (ni != null && ni.isConnected()) {
                props = cm.getLinkProperties(network);
                Log.i("Old props=" + props);
                break;
            }
        }
    else {
        Network active = cm.getActiveNetwork();
        if (active == null)
            return DEFAULT_DNS;
        props = cm.getLinkProperties(active);
        Log.i("New props=" + props);
    }

    if (props == null)
        return DEFAULT_DNS;

    List<InetAddress> dns = props.getDnsServers();
    if (dns.size() == 0)
        return DEFAULT_DNS;
    else
        return dns.get(0).getHostAddress();
}
Example 18
Source File: Vpn.java    From android_9.0.0_r45 with Apache License 2.0 5 votes vote down vote up 
public LegacyVpnRunner(VpnConfig config, String[] racoon, String[] mtpd) {
    super(TAG);
    mConfig = config;
    mDaemons = new String[] {"racoon", "mtpd"};
    // TODO: clear arguments from memory once launched
    mArguments = new String[][] {racoon, mtpd};
    mSockets = new LocalSocket[mDaemons.length];

    // This is the interface which VPN is running on,
    // mConfig.interfaze will change to point to OUR
    // internal interface soon. TODO - add inner/outer to mconfig
    // TODO - we have a race - if the outer iface goes away/disconnects before we hit this
    // we will leave the VPN up.  We should check that it's still there/connected after
    // registering
    mOuterInterface = mConfig.interfaze;

    if (!TextUtils.isEmpty(mOuterInterface)) {
        final ConnectivityManager cm = ConnectivityManager.from(mContext);
        for (Network network : cm.getAllNetworks()) {
            final LinkProperties lp = cm.getLinkProperties(network);
            if (lp != null && lp.getAllInterfaceNames().contains(mOuterInterface)) {
                final NetworkInfo networkInfo = cm.getNetworkInfo(network);
                if (networkInfo != null) mOuterConnection.set(networkInfo.getType());
            }
        }
    }

    IntentFilter filter = new IntentFilter();
    filter.addAction(ConnectivityManager.CONNECTIVITY_ACTION);
    mContext.registerReceiver(mBroadcastReceiver, filter);
}
Example 19
Source File: ConnectivityMonitorService.java    From fdroidclient with GNU General Public License v3.0 4 votes vote down vote up 
/**
 * Gets the state of internet availability, whether there is no connection at all,
 * whether the connection has no usage limit (like most WiFi), or whether this is
 * a metered connection like most cellular plans or hotspot WiFi connections. This
 * also detects whether the device has a hotspot AP enabled but the mobile
 * connection does not provide internet.  That is a special case that is useful
 * for nearby swapping, but nothing else.
 * <p>
 * {@link NullPointerException}s are ignored in the hotspot detection since that
 * detection should not affect normal usage at all, and there are often weird
 * cases when looking through the network devices, especially on bad ROMs.
 */
public static int getNetworkState(Context context) {
    ConnectivityManager cm = (ConnectivityManager) context.getSystemService(CONNECTIVITY_SERVICE);
    if (cm == null) {
        return FLAG_NET_UNAVAILABLE;
    }
    NetworkInfo activeNetwork = cm.getActiveNetworkInfo();

    if (activeNetwork == null && Build.VERSION.SDK_INT >= 21 && cm.getAllNetworks().length == 0) {
        try {
            Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
            while (networkInterfaces.hasMoreElements()) {
                NetworkInterface netIf = networkInterfaces.nextElement();
                if (netIf.getDisplayName().contains("wlan0")
                        || netIf.getDisplayName().contains("eth0")
                        || netIf.getDisplayName().contains("ap0")) {
                    for (Enumeration<InetAddress> addr = netIf.getInetAddresses(); addr.hasMoreElements();) {
                        InetAddress inetAddress = addr.nextElement();
                        if (inetAddress.isLoopbackAddress() || inetAddress instanceof Inet6Address) {
                            continue;
                        }
                        Log.i(TAG, "FLAG_NET_DEVICE_AP_WITHOUT_INTERNET: " + netIf.getDisplayName()
                                + " " + inetAddress);
                        return FLAG_NET_DEVICE_AP_WITHOUT_INTERNET; // NOPMD
                    }
                }
            }
        } catch (SocketException | NullPointerException e) { // NOPMD
            // ignored
        }
    }

    if (activeNetwork == null || !activeNetwork.isConnected()) {
        return FLAG_NET_UNAVAILABLE;
    }

    int networkType = activeNetwork.getType();
    switch (networkType) {
        case ConnectivityManager.TYPE_ETHERNET:
        case ConnectivityManager.TYPE_WIFI:
            if (Build.VERSION.SDK_INT >= 16 && cm.isActiveNetworkMetered()) {
                return FLAG_NET_METERED;
            } else {
                return FLAG_NET_NO_LIMIT;
            }
        default:
            return FLAG_NET_METERED;
    }
}
Example 20
Source File: JainSipNotificationManager.java    From restcomm-android-sdk with GNU Affero General Public License v3.0 4 votes vote down vote up 
static public NetworkStatus checkConnectivity(Context context)
{
   NetworkStatus networkStatus = NetworkStatus.NetworkStatusNone;
   RCLogger.d(TAG, "checkConnectivity()");
   ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

   try {
      NetworkInfo activeNetwork = connectivityManager.getActiveNetworkInfo();
      if (activeNetwork != null) {
         if (activeNetwork.getType() == ConnectivityManager.TYPE_WIFI && activeNetwork.isConnected()) {
            RCLogger.w(TAG, "Connectivity status: WIFI");
            networkStatus = NetworkStatus.NetworkStatusWiFi;
         }

         if (activeNetwork.getType() == ConnectivityManager.TYPE_MOBILE && activeNetwork.isConnected()) {
            RCLogger.w(TAG, "Connectivity status: CELLULAR DATA");
            networkStatus = NetworkStatus.NetworkStatusCellular;
         }

         if (activeNetwork.getType() == ConnectivityManager.TYPE_ETHERNET && activeNetwork.isConnected()) {
            RCLogger.w(TAG, "Connectivity status: ETHERNET");
            networkStatus = NetworkStatus.NetworkStatusEthernet;
         }
      }

      // Sadly we cannot use getActiveNetwork right away as its added in API 23 (and we want to support > 21), so let's iterate
      // until we find above activeNetwork
      for (Network network : connectivityManager.getAllNetworks()) {
         NetworkInfo networkInfo = connectivityManager.getNetworkInfo(network);
         if (networkInfo.isConnected() &&
                 (networkInfo.getType() == activeNetwork.getType()) &&
                 (networkInfo.getSubtype() == activeNetwork.getSubtype()) &&
                 (networkInfo.getExtraInfo().equals(activeNetwork.getExtraInfo()))) {
            LinkProperties linkProperties = connectivityManager.getLinkProperties(network);
            //Log.d("DnsInfo", "iface = " + linkProperties.getInterfaceName());
            //Log.d("DnsInfo", "dns = " + linkProperties.getDnsServers());
            //Log.d("DnsInfo", "domains search = " + linkProperties.getDomains());
            StringBuilder stringBuilder = new StringBuilder();
            for (InetAddress inetAddress : linkProperties.getDnsServers()) {
               if (stringBuilder.length() != 0) {
                  stringBuilder.append(",");
               }
               stringBuilder.append(inetAddress.getHostAddress());
            }
            // From Oreo and above we need to explicitly retrieve and provide the name servers used for our DNS queries.
            // Reason for that is that prior to Oreo underlying dnsjava library for jain-sip.ext (i.e. providing facilities for DNS SRV),
            // used some system properties prefixed 'net.dns1', etc. The problem is that those got removed in Oreo so we have to use
            // alternative means, and that is to use 'dns.server' that 'dnsjava' tries to use before trying 'net.dns1';
            if (stringBuilder.length() != 0) {
               RCLogger.i(TAG, "Updating DNS servers for dnsjava with: " + stringBuilder.toString() + ", i/f: " + linkProperties.getInterfaceName());
               System.setProperty("dns.server", stringBuilder.toString());
            }
            if (linkProperties.getDomains() != null) {
               RCLogger.i(TAG, "Updating DNS search domains for dnsjava with: " + linkProperties.getDomains() + ", i/f: " + linkProperties.getInterfaceName());
               System.setProperty("dns.search", linkProperties.getDomains());
            }
         }
      }
   }
   catch (NullPointerException e) {
      throw new RuntimeException("Failed to retrieve active networks info", e);
   }

   if (networkStatus == NetworkStatus.NetworkStatusNone) {
      RCLogger.w(TAG, "Connectivity status: NONE");
   }

   return networkStatus;
}