Java Code Examples for android.net.Network#getSocketFactory()

The following examples show how to use android.net.Network#getSocketFactory() . 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: ThetaM15.java    From DeviceConnect-Android with MIT License 5 votes vote down vote up 
private static SocketFactory getWifiSocketFactory(final Context context) {
    SocketFactory socketFactory = SocketFactory.getDefault();
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && !isGalaxyDevice()) {
        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        Network[] allNetwork = cm.getAllNetworks();
        for (Network network : allNetwork) {
            NetworkCapabilities networkCapabilities = cm.getNetworkCapabilities(network);
            if (networkCapabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
                socketFactory = network.getSocketFactory();
            }
        }
    }
    return socketFactory;
}
Example 2
Source File: WiFiSocketFactory.java    From sdl_java_suite with BSD 3-Clause "New" or "Revised" License 4 votes vote down vote up 
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private static Socket createWiFiSocket(Context context) {
    if(context == null){
        logInfo("Context supplied was null");
        return null;
    }
    PackageManager pm = context.getPackageManager();
    if (pm == null) {
        logInfo("PackageManager isn't available.");
        return null;
    }
    // getAllNetworks() and getNetworkCapabilities() require ACCESS_NETWORK_STATE
    if (pm.checkPermission(Manifest.permission.ACCESS_NETWORK_STATE, context.getPackageName()) != PackageManager.PERMISSION_GRANTED) {
        logInfo("Router service doesn't have ACCESS_NETWORK_STATE permission. It cannot bind a TCP transport to Wi-Fi network.");
        return null;
    }

    ConnectivityManager connMan = (ConnectivityManager)context.getSystemService(Context.CONNECTIVITY_SERVICE);
    if (connMan == null) {
        logInfo("ConnectivityManager isn't available.");
        return null;
    }

    Network[] allNetworks = connMan.getAllNetworks();
    if (allNetworks == null) {
        logInfo("Failed to acquire a list of networks.");
        return null;
    }

    // Samsung Galaxy S9 (with Android 8.0.0) provides two `Network` instances which have
    // TRANSPORT_WIFI capability. The first one throws an IOException upon creating a Socket,
    // and the second one actually works. To support such case, here we iterate over all
    // `Network` instances until we can create a Socket.
    for (Network network : allNetworks) {
        if (network == null) {
            continue;
        }

        NetworkCapabilities capabilities = connMan.getNetworkCapabilities(network);
        if (capabilities == null) {
            continue;
        }

        if (capabilities.hasTransport(NetworkCapabilities.TRANSPORT_WIFI)) {
            try {
                SocketFactory factory = network.getSocketFactory();
                if (factory != null) {
                    return factory.createSocket();
                }
            } catch (IOException e) {
                logInfo("IOException during socket creation (ignored): " + e.getMessage());
            }
        }
    }

    logInfo("Cannot find Wi-Fi network to bind a TCP transport.");
    return null;
}