Main.java Source code

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Here is the source code for Main.java

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//package com.java2s;
/**
 *    Copyright 2014 University of Helsinki
 *
 *    Licensed under the Apache License, Version 2.0 (the "License"); you may
 *    not use this file except in compliance with the License. You may obtain
 *    a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 *    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 *    License for the specific language governing permissions and limitations
 *    under the License.
 **/

import android.content.Context;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;

public class Main {
    /**
     * Check whether wifi is enabled and connected
     *
     * @param activity context
     */
    public static boolean isOnline(Context c) {
        ConnectivityManager connMgr = (ConnectivityManager) c.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo networkInfo = connMgr.getActiveNetworkInfo();
        return (networkInfo != null && networkInfo.isConnected());
    }
}