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vgprznb3
说明: 多载波以及扩频通信系统相关的书,主要内容有OFDM以及多载波CDMA,偏重于工程感念,理论性不是很强(Multicarrier and spread spectrum communication system related books, including OFDM and multicarrier CDMA, focus on engineering perception, the theory is not very strong)
- 2019-03-27 22:27:57下载
- 积分:1
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Android蓝牙一对多通信
前段时间项目需要蓝牙实现一对多通信,但网上的例子都是一对一的通信,所以就下载了前人优秀源码,在仔细研究前人代码的基础上对服务端的线程进行了改进,实现了一对多通信,并添加了一个在线列表。(当然主要的功劳还是前人的)
- 2022-01-25 13:46:00下载
- 积分:1
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NFC 类型 2 标记调度程序
用來操作NFC type 2 tag,提供raw data的read, write, 辨識UID, 設定delay時間,並可自定操作的行程,讓手機變成Reader排定工作持續讀寫tag中的資料,並可對符合該協定的界面tag進行IO或通信的操作。
- 2022-05-27 06:19:57下载
- 积分:1
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Android 人脸识别功能使用源码
Android 人脸识别功能,通过算法实现识别人脸并画出人脸的矩形局域,属于Android人脸识别小项目,可以借鉴;能用。
- 2022-11-27 04:45:03下载
- 积分:1
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Android tcp通讯学习用
核心代码:package com.Test;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.util.Log;import android.app.Activity;import android.view.Menu;import android.widget.Button;import android.view.View;import android.view.View.OnClickListener;import java.io.BufferedInputStream;import java.io.InputStream;import java.io.OutputStream;import java.io.IOException;import java.io.UnsupportedEncodingException;import java.io.InputStreamReader;import java.io.BufferedReader;import java.io.PrintWriter;import java.io.Reader;import java.net.Socket;import java.net.ServerSocket;import java.net.UnknownHostException;import android.view.TextureView;import android.widget.EditText;import java.lang.String;import java.lang.Thread;public class MainActivity extends Activity implements OnClickListener{ private Button m_btn; private Button m_sendbtn; private ServerSocket mySerSocket; private Socket clientSocket; private EditText m_edit; private String line; boolean conn = true; private Socket accSocket; private static final String Host = "10.0.2.2"; private static final int Port = 12000; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); m_btn = (Button)findViewById(R.id.button1); m_sendbtn = (Button)findViewById(R.id.button2); m_edit = (EditText)findViewById(R.id.editText1); //m_btn.setOnClickListener(this); m_btn.setOnClickListener(new ReceiverListener()); m_sendbtn.setOnClickListener(this); //Socket clientSocket = new Socket(Host, Port); } class ReceiverListener implements OnClickListener { private ReceiveThread mReceiveThread = null; private boolean stop = true; private Handler mHandler = null; public void onClick(View v) { try { if(clientSocket == null) { clientSocket = new Socket(Host, Port); } // InputStream myInputStream = clientSocket.getInputStream();// // //BufferedReader in = new BufferedReader(new InputStreamReader(myInputStream));//// byte [] buffer = new byte[myInputStream.available()]; //int temp = 0; //String strMsg = in.readLine(); // myInputStream.read(buffer);// // // String strMsg = new String(buffer);// // m_edit.setText(strMsg);// while ((temp = myInputStream.read(buffer)) != -1)// {// m_edit.setText(new String(buffer, 0, temp));//// } mReceiveThread = new ReceiveThread(clientSocket); stop = false; mReceiveThread.start(); } catch (IOException e) { e.printStackTrace(); } //消息处理 mHandler = new Handler() { public void handleMessage(Message msg) { m_edit.setText((msg.obj).toString()); } }; } private class ReceiveThread extends Thread { private InputStream inStream = null; private byte[] buf; private String str = null; ReceiveThread(Socket s) { try { this.inStream = s.getInputStream(); } catch(IOException e) { e.printStackTrace(); } } public void run() { while(!stop) { this.buf = new byte[512]; try { this.inStream.read(this.buf); } catch(IOException e) { e.printStackTrace(); } try { this.str = new String(this.buf, "GB2312").trim(); } catch(UnsupportedEncodingException e) { e.printStackTrace(); } Message msg = new Message(); msg.obj = this.str; mHandler.sendMessage(msg); } } } } public void onClick(View v) {// if (v.getId() == R.id.button1)// {// new Thread()// {// public void run()// {// try // {// if(clientSocket == null)// {// clientSocket = new Socket(Host, Port);// } // InputStream myInputStream = clientSocket.getInputStream();// // BufferedReader in = new BufferedReader(new InputStreamReader(myInputStream));//// byte [] buffer = new byte[1024 * 4];//// int temp = 0;// // String strMsg = in.readLine();// // //myInputStream.read(buffer);// // //String strMsg = new String(buffer);// // m_edit.setText(strMsg);////// while ((temp = myInputStream.read(buffer)) != -1)//// {//// m_edit.setText(new String(buffer, 0, temp));//////// }// // }// catch (IOException e)// {// e.printStackTrace();// }// }// }.start();// // } if(v.getId() == R.id.button2) { new Thread() { public void run() { try { if(clientSocket == null) { clientSocket = new Socket(Host, Port); } //inputStream clientInputStream = clientSocket. String msg = "RESET-SHOW"; //InputStream clientInputStream = clientSocket.getInputStream(); //BufferedReader br = new BufferedReader(new InputStreamReader(clientSocket.getInputStream())); //BufferedReader br = new BufferedReader(); //line = br.readLine(); OutputStream clientOutputStream = clientSocket.getOutputStream(); byte buffer[]=msg.getBytes(); clientOutputStream.write(buffer); clientOutputStream.flush(); //int temp = 0; // PrintWriter out = new PrintWriter(clientOutputStream);// // out.println("Serer Message: " msg); } catch(IOException e) { e.printStackTrace(); } } }.start(); } }private Reader InputStreamReader() { // TODO Auto-generated method stub return null; }// private Handler handler = new Handler()// {// public void handleMessage(Message msg)// {// super.handleMessage(msg);// //处理UI// m_edit.setText("Finish");// Log.i("PDA", "Finish");// // }// }; @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; }}
- 2014-08-18下载
- 积分:1
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Android的表布局有形和无形的colomn示例
在这里,我已经给 android 示例的表布局,我们可以隐藏、 显示或伸展的任何列。打开您的主 xml 文件并粘贴以下代码现在您的设备上运行此 android 表布局示例和测试。
- 2023-04-15 19:35:03下载
- 积分:1
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按钮开关组件
android的设置界面的快关按钮,使用方便,简单的接口实现就可以实现,不需要自己自定义view来实现,提供多中样式,android的设置界面的快关按钮,使用方便,简单的接口实现就可以实现,不需要自己自定义view来实现,提供多中样式,android的设置界面的快关按钮,使用方便,简单的接口实现就可以实现,不需要自己自定义view来实现,提供多中样式,android的设置界面的快关按钮,使用方便,简单的接口实现就可以实现,不需要自己自定义view来实现,提供多中样式。
- 2023-04-13 09:00:03下载
- 积分:1
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loginwithsql
这是一个登录页面应用程序。这种应用程序创建用户和登录表单详细信息在这里保存在数据库中
- 2022-11-12 10:40:04下载
- 积分:1
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一个智能家居app的大体框架
只是一个智能家居的基本框架,做了基本的界面,还没有加入数据存储和网络通信功能
- 2022-03-24 13:59:08下载
- 积分:1
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拼图
本代码是一个游戏,在游戏的右上角有正确答案的提示图,左半部分为半透明的网格提示图,而右下则是图块的放置点。
- 2023-04-10 11:40:04下载
- 积分:1