Unable to check the Internet Available

Question

I am working on an android application that have a web-view. The problem comes when I want to check whether Internet is available before displaying default message. I have studied these links Link1and link2. I am confused how to do this. Here is my code

    protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    Web= findViewById(R.id.webview);
    Web.getSettings().setJavaScriptEnabled(true);
    Web.loadUrl("http://yourconsenthomebuilders.com/app/clients");
}

confused means? Have you tried and faced any error? then post that error — Vidhi Dave, Mar 20 '18 at 12:18
And... what happens? Does it show thepage? Any problems? Any questions? — greenapps, Mar 20 '18 at 12:18

score 4 · Accepted Answer · answered Mar 20 '18 at 12:21

Use this method to check internet connection

public class ConnectionDetector {

    public ConnectionDetector() {
    }

    public Boolean check_internet(Context context) {
        if (context != null) {
            ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
            NetworkInfo activeNetwork = cm.getActiveNetworkInfo();
            if (activeNetwork != null) { // connected to the internet
                if (activeNetwork.getType() == ConnectivityManager.TYPE_WIFI || activeNetwork.getType() == ConnectivityManager.TYPE_MOBILE) {
                    return true;
                }
            }
        }
        return false;
    }
}

After this you can create object and check internet connection like this

Fragment

ConnectionDetector connectionDetector = new ConnectionDetector();
connectionDetector.check_internet(getContext())

Activity

ConnectionDetector connectionDetector = new ConnectionDetector();
connectionDetector.check_internet(this)

After setContentView called just check this in if(connectionDetector.check_internet(this)) — Siddharth Patel, Mar 20 '18 at 12:29

Venky G · Answer 2 · 2018-03-20T12:32:59.373

1

After setContentView() add this logic

ConnectivityManager cm = (ConnectivityManager) getSystemService(CONNECTIVITY_SERVICE);
NetworkInfo info = cm.getActiveNetworkInfo();

    if (info != null && info.isAvailable() && info.isConnected())
    {
        //network connected
        //show web view logic here
    }else{
        //network not connected
        //show alerts to users
    }

edited Mar 20 '18 at 12:32

answered Mar 20 '18 at 12:25

Venky G

180
7

where to put this code in the above i have writtten – Usman Ali Mar 20 '18 at 12:26
after setContentView(R.layout.activity_main); – Venky G Mar 20 '18 at 12:28

Unable to check the Internet Available

2 Answers2