Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.util.Log; public class Main { private static final String TAG = "MainUtils"; public static boolean isConnected(Context context) { Log.d(TAG, "isConnected(context = " + context + ")"); ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo netInfo = cm.getActiveNetworkInfo(); return netInfo != null && netInfo.isConnectedOrConnecting(); } }