Java tutorial
//package com.java2s; import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.telephony.TelephonyManager; public class Main { public static boolean isConnect(Context context) { ConnectivityManager mConnectivity = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); TelephonyManager mTelephony = (TelephonyManager) context.getSystemService(context.TELEPHONY_SERVICE); // check if connect NetworkInfo netInfo = mConnectivity.getActiveNetworkInfo(); if (netInfo == null || !mConnectivity.getBackgroundDataSetting()) { return false; } else { return true; } } }