Java tutorial
//package com.java2s; /** * Copyright 2013 ? * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import android.content.Context; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.util.Log; public class Main { public static int availableCommunication(Context context) { ConnectivityManager cm = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo ni = cm.getNetworkInfo(ConnectivityManager.TYPE_WIFI); boolean isWifiAvail = ni.isAvailable(); boolean isWifiConn = ni.isConnected(); ni = cm.getNetworkInfo(ConnectivityManager.TYPE_MOBILE); boolean isMobileAvail = ni.isAvailable(); boolean isMobileConn = ni.isConnected(); String status = "WiFi\nAvail = " + isWifiAvail + "\nConn = " + isWifiConn + "\nMobile\nAvail = " + isMobileAvail + "\nConn = " + isMobileConn + "\n"; Log.d("Communication State! ", status); if (isWifiAvail == true && isWifiConn == true) { return ConnectivityManager.TYPE_WIFI; } else if (isMobileAvail == true && isMobileConn == true) { return ConnectivityManager.TYPE_MOBILE; } else { return -1; } } }