Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { private static Context context = null; public static boolean isNetworkAvailable() { Context c = getContext(); ConnectivityManager connectivityManager = (ConnectivityManager) c .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetworkInfo = connectivityManager.getActiveNetworkInfo(); boolean errorInNetwork = activeNetworkInfo != null && activeNetworkInfo.isConnected(); return errorInNetwork; } public static Context getContext() { return context; } }