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

6 votes140 views2 answers
Get today's date java android studio
Java
0 vote141 views1 answer
Terminate function calling in java
Java
0 vote129 views1 answer
Java create list integer range
Java
0 vote134 views1 answer
How to check if user is logged in firebase android and then load another activity
Java
1 vote164 views1 answer
Java.lang.nullpointerexception: cannot invoke "java.lang.charsequence.length()" because "this.text" is null
Java
0 vote135 views1 answer
Hello world stack overflow
Java
1 vote131 views2 answers
How to recognize a pressed key in java
Java
0 vote86 views0 answer
Swing update JScrollPane bar
Java
0 vote153 views1 answer
What Is Spring Boot and What Are Its Main Features?
Java
0 vote154 views1 answer
Java quote of the day
Java