Check if a user has an internet connection for Android

NetUtils.java

/*
 * Copyright (C) 2011 47 Degrees, LLC
 * http://47deg.com
 * 
 * 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.
 */

package com.fortysevendeg.commons.android.utils;

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

/**
 * Net Utils for android
 */
public class NetUtils {	

    /**
     * @param context the context you're checking connectivity for
     * @return true if the application can access the internet
     */
    public static boolean hasConnectivity(Context context, boolean roamingOK) {
        boolean hasConnectivity = true;
        ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo info = connectivityManager.getActiveNetworkInfo();
        hasConnectivity = info != null && (info.isConnected() || (roamingOK && info.isRoaming()));
        return hasConnectivity;
    }

}