Java tutorial
//package com.java2s; /* * Copyright 2016, The Android Open Source Project * * 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; public class Main { public static boolean isNetworkAvaliable(Context context) { boolean isNetwokAvailable = false; ConnectivityManager connectionManager = (ConnectivityManager) context .getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo wifiInfo = connectionManager.getNetworkInfo(ConnectivityManager.TYPE_WIFI); NetworkInfo mobileInfo = connectionManager.getNetworkInfo(ConnectivityManager.TYPE_MOBILE); if (wifiInfo != null && wifiInfo.isConnected()) { isNetwokAvailable = true; } else if (mobileInfo != null && mobileInfo.isConnected()) { isNetwokAvailable = true; } else { isNetwokAvailable = false; } return isNetwokAvailable; } }