Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { private static Context mAppContext = null; public static NetworkInfo getNetworkInfo() { if (mAppContext == null) return null; ConnectivityManager cm = (ConnectivityManager) mAppContext.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo ni = cm.getActiveNetworkInfo(); return ni; } }