Java Code Examples for android.net.Network#getSocketFactory()
The following examples show how to use
android.net.Network#getSocketFactory() .
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Example 1
Source File: ThetaM15.java From DeviceConnect-Android with MIT License | 5 votes |
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 |
@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; }