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) { ConnectivityManager mgr = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); if (mgr == null) return false; NetworkInfo info = mgr.getNetworkInfo(ConnectivityManager.TYPE_MOBILE); if (info == null) return false; NetworkInfo.State state = info.getState(); return state == NetworkInfo.State.CONNECTED || state == NetworkInfo.State.CONNECTING; } }