Android listen to network change

ConnectivityManager.NetworkCallback networkCallback = new ConnectivityManager.NetworkCallback() {
    @Override
    public void onAvailable(Network network) {
        // network available
    }

    @Override
    public void onLost(Network network) {
        // network unavailable
    }
};

ConnectivityManager connectivityManager =
        (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
    connectivityManager.registerDefaultNetworkCallback(networkCallback);
} else {
    NetworkRequest request = new NetworkRequest.Builder()
            .addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET).build();
    connectivityManager.registerNetworkCallback(request, networkCallback);
}

Source: stackoverflow.com

Android listen to network change

val connectivityManager = context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
connectivityManager?.let {
    it.registerDefaultNetworkCallback(object : ConnectivityManager.NetworkCallback() {
        override fun onAvailable(network: Network) {
            //take action when network connection is gained
        }
        override fun onLost(network: Network?) {
            //take action when network connection is lost
        }
    })
}

Source: stackoverflow.com

Similar codes

0 vote169 views1 answer
Java program to search item from name in class
Java
1 vote142 views5 answers
Treemap java
Java
0 vote175 views1 answer
Spring data elasticsearch aggregation max
Java Spring
0 vote148 views1 answer
How to translate java swing
Java
1 vote147 views1 answer
Java Scrip
Java
0 vote100 views2 answers
Worldedit api paste schematic
Java
0 vote154 views1 answer
Putting scanner into an array
Java
0 vote142 views2 answers
Mono command to compile C# library code
Java
-2 votes130 views2 answers
How to get filename without extension in java
Java
1 vote137 views1 answer
Java calculate fps from thread
Java