android how to check internet connection

/** * @author Pratik Butani */ public class InternetConnection { /** * CHECK WHETHER INTERNET CONNECTION IS AVAILABLE OR NOT */ public static boolean checkConnection(Context context) { final ConnectivityManager connMgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); if (connMgr != null) { NetworkInfo activeNetworkInfo = connMgr.getActiveNetworkInfo(); if (activeNetworkInfo != null) { // connected to the internet // connected to the mobile provider's data plan if (activeNetworkInfo.getType() == ConnectivityManager.TYPE_WIFI) { // connected to wifi return true; } else return activeNetworkInfo.getType() == ConnectivityManager.TYPE_MOBILE; } } return false; } }

new CheckNetworkConnection(this, new CheckNetworkConnection.OnConnectionCallback() { @Override public void onConnectionSuccess() { Toast.makeText(context, "onSuccess()", toast.LENGTH_SHORT).show(); } @Override public void onConnectionFail(String msg) { Toast.makeText(context, "onFail()", toast.LENGTH_SHORT).show(); } }).execute();

Android check internet

public class CheckNetworkConnection extends AsyncTask < Void, Void, Boolean > {
    private OnConnectionCallback onConnectionCallback;
    private Context context;

    public CheckNetworkConnection(Context con, OnConnectionCallback onConnectionCallback) {
        super();
        this.onConnectionCallback = onConnectionCallback;
        this.context = con;
    }

    @Override
    protected void onPreExecute() {
        super.onPreExecute();
    }

    @Override
    protected Boolean doInBackground(Void...params) {
        if (context == null)
            return false;

        boolean isConnected = new NetWorkInfoUtility().isNetWorkAvailableNow(context);
        return isConnected;
    }

    @Override
    protected void onPostExecute(Boolean b) {
        super.onPostExecute(b);

        if (b) {
            onConnectionCallback.onConnectionSuccess();
        } else {
            String msg = "No Internet Connection";
            if (context == null)
                msg = "Context is null";
            onConnectionCallback.onConnectionFail(msg);
        }

    }

    public interface OnConnectionCallback {
        void onConnectionSuccess();

        void onConnectionFail(String errorMsg);
    }
}

Posted by: Guest on April-27-2020

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