DeviceUtil.java

package me.evis.mobile.util;

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

public class DeviceUtil {

    private DeviceUtil() {
        // No instance.
    }
    
    /**
     * From http://stackoverflow.com/a/4009133/245345
     * 
     * @return whether is device online
     */
    public static boolean isOnline(Context context) {
        ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
        NetworkInfo netInfo = cm.getActiveNetworkInfo();
        if (netInfo != null && netInfo.isConnectedOrConnecting()) {
            return true;
        }
        return false;
    }
}