connectivity

How to check for unrestricted Internet access? (captive portal detection)

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For reference, here is the ‘official’ method from the Android 4.0.1 AOSP code base: WifiWatchdogStateMachine.isWalledGardenConnection(). I am including the code below just in case the link breaks in the future. private static final String mWalledGardenUrl = “http://clients3.google.com/generate_204”; private static final int WALLED_GARDEN_SOCKET_TIMEOUT_MS = 10000; private boolean isWalledGardenConnection() { HttpURLConnection urlConnection = null; try { URL … Read more

Detect if the internet connection is offline?

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Almost all major browsers now support the window.navigator.onLine property, and the corresponding online and offline window events. Run the following code snippet to test it: console.log(‘Initially ‘ + (window.navigator.onLine ? ‘on’ : ‘off’) + ‘line’); window.addEventListener(‘online’, () => console.log(‘Became online’)); window.addEventListener(‘offline’, () => console.log(‘Became offline’)); document.getElementById(‘statusCheck’).addEventListener(‘click’, () => console.log(‘window.navigator.onLine is ‘ + window.navigator.onLine)); <button id=”statusCheck”>Click … Read more

Android event for internet connectivity state change [duplicate]

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very old post but i would like to share my receiver no need to put your hands on manifest or other boring resources 🙂 USAGE YOUR ACTIVITY: /* * You need to implement NetworkStateReceiverListener. * This interface is described inside the NewtworkStateReceiver class */ public class MyActivity implements NetworkStateReceiverListener { /* … */ private NetworkStateReceiver … Read more

Android: Internet connectivity change listener

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Try this public class NetworkUtil { public static final int TYPE_WIFI = 1; public static final int TYPE_MOBILE = 2; public static final int TYPE_NOT_CONNECTED = 0; public static final int NETWORK_STATUS_NOT_CONNECTED = 0; public static final int NETWORK_STATUS_WIFI = 1; public static final int NETWORK_STATUS_MOBILE = 2; public static int getConnectivityStatus(Context context) { ConnectivityManager … Read more