Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; public class Main { public static boolean isMobileConnected(Context context) { NetworkInfo net = getConnectivityManager(context).getActiveNetworkInfo(); return net != null && net.getType() == ConnectivityManager.TYPE_MOBILE && net.isConnected(); } public static ConnectivityManager getConnectivityManager(Context context) { return (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); } public static boolean isConnected(Context context) { NetworkInfo net = getConnectivityManager(context).getActiveNetworkInfo(); return net != null && net.isConnected(); } }