Java tutorial
//package com.java2s; /* * Copyright 2016 Patrick J * * 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 java.io.BufferedReader; import java.io.FileInputStream; import java.io.IOException; import java.io.InputStreamReader; public class Main { /** * Returns whether the device has Ad blocking entries in it's host file or not. * @return true if Ad blocking entries where detected, false if not. */ public static Boolean isAdBlockActive() { try { BufferedReader bufferedReader = new BufferedReader( new InputStreamReader(new FileInputStream("/etc/hosts"))); String currentLine; while ((currentLine = bufferedReader.readLine()) != null) { if (currentLine.toLowerCase().contains("admob")) return true; } } catch (IOException io) { io.printStackTrace(); } return false; } }