ConnectivityUtils.java

package fr.tvbarthel.apps.simplethermometer.utils;

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

/**
 * A simple utils class used to check if the device is connected to a network.
 */
public final class ConnectivityUtils {

    /**
     * Check if a network connection is available
     *
     * @return true if a network connection is available, false otherwise.
     */
    public static boolean isNetworkConnected(Context context) {
        //Retrieve the instance of the connectivity manager
        final ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Service.CONNECTIVITY_SERVICE);
        //Retrieve info about the currently active default network
        final NetworkInfo networkInfo = connectivityManager.getActiveNetworkInfo();
        return networkInfo != null && networkInfo.isConnected();
    }

    // Non-instantiable class.
    private ConnectivityUtils() {
    }
}