Android使用LocalSocket抓取数据

LocalSocket类描述：在Unix域名下创建一个(非服务器)Socket，这种Socket和java.net.Socket不同

贴上一个LocalSocket简单应用

[java]


package com.snowice.local;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import android.app.Activity;

import android.net.LocalServerSocket;

import android.net.LocalSocket;

import android.net.LocalSocketAddress;

import android.os.Bundle;

import android.util.Log;

import android.view.View;

import android.widget.Button;

public class AndroidLocalSocketActivity extends Activity {

private static final String TAG = "MY_LOCAL_SOCKET";

/** 开始演示按钮 */

private Button button_start;

/** 结束演示按钮 */

private Button button_end;

private LocalSocket receiver;

private LocalSocket sender;

private LocalServerSocket lss;

/** 数据缓冲大小 */

private static final int BUFFER_SIZE = 500000;

/** 判断是否正在运行 */

private boolean running;

/** 用于计数 */

private int i = 1;

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

button_start = (Button) findViewById(R.id.button_start);

button_end = (Button) findViewById(R.id.button_end);

// 设置监听事件

button_start.setOnClickListener(new Button.OnClickListener(){

@Override

public void onClick(View v) {

receiver = new LocalSocket();

try {

lss = new LocalServerSocket("Local_Socket");

receiver.connect(new LocalSocketAddress("Local_Socket"));

receiver.setReceiveBufferSize(BUFFER_SIZE);

receiver.setSendBufferSize(BUFFER_SIZE);

sender = lss.accept();

sender.setReceiveBufferSize(BUFFER_SIZE);

sender.setSendBufferSize(BUFFER_SIZE);

// 将控制器running设置为true

running = true;

// 启动发送接受线程

new Thread (local_send).start();

new Thread (local_receive).start();

} catch (IOException e) {

e.printStackTrace();

}

}

});

// 取消数据发送

button_end.setOnClickListener(new Button.OnClickListener(){

@Override

public void onClick(View v) {

running = false;

}

});

}

// 发送线程

Thread local_send = new Thread (){

// 线程运行函数

public void run() {

OutputStream m_Send = null;

try {

m_Send = sender.getOutputStream();

while(running) {

byte[] data = ("LOCAL-SOCKET" + i).getBytes();

sender.setSendBufferSize(data.length);

sender.setReceiveBufferSize(data.length);

m_Send.write(data);

m_Send.flush();

Thread.sleep(100);

i ++;

}

m_Send.close();

sender.close();

} catch (IOException e) {

e.printStackTrace();

} catch (InterruptedException e) {

e.printStackTrace();

}

}

};

// 接收线程

Thread local_receive = new Thread(){

public void run(){

InputStream m_Rece = null;

try {

m_Rece = receiver.getInputStream();

byte[] data;

int receiveLen = 0;

while(running) {

receiveLen = receiver.getReceiveBufferSize();

data = new byte[receiveLen];

m_Rece.read(data);

Log.i(TAG, "receiver.getReceiveBufferSize()" + receiveLen + " --- "+new String(data) + " ---");

Thread.sleep(1000);

// 将i设为0

i = 0;

}

m_Rece.close();

receiver.close();

} catch (IOException e) {

e.printStackTrace();

} catch (InterruptedException e) {

e.printStackTrace();

}

}

};

}