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Android Socket 线程连接openwrt与arduino单片机串口双向通信的实例解析

2016-11-28 17:04 741 查看

废话不多说了，直接给大家贴代码了，具体代码如下所示：

package zcd.netanything;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.Socket;
import android.app.Fragment;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Toast;
public class MyCar extends Fragment implements OnClickListener{
private static String wifiurl;
private static String wificom;
private static String wificamera;
private Thread mThreadClient = null;
private Socket mSocketClient = null;
//视频线程
private Thread mThreadvideo = null;
private String recvMessageClient ;
//MySurfaceView r;
private boolean isConnect=false;
//指令发出 数据缓存
static PrintWriter mPrintWriterClient = null;
static BufferedReader mBufferedReaderClient = null;
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// TODO Auto-generated method stub
View view = inflater.inflate(R.layout.mycar,container, false);
view.findViewById(R.id.button1).setOnClickListener(this);
view.findViewById(R.id.button2).setOnClickListener(this);
view.findViewById(R.id.button3).setOnClickListener(this);
view.findViewById(R.id.button4).setOnClickListener(this);
view.findViewById(R.id.button5).setOnClickListener(this);
return view;
}
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
//内部类 广播接收
public static class myReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
// TODO Auto-generated method stub
wifiurl = intent.getStringExtra("wifiurl");
wificom = intent.getStringExtra("wificom");
wificamera = intent.getStringExtra("wificamera");
Toast.makeText(context, "广播已经接收", Toast.LENGTH_SHORT).show();
}
}
//来源 http://www.cnblogs.com/xiaobo-Linux/ 赵存档 QQ463431476
//线程mRunnable启动
private Runnable mRunnable = new Runnable()
{
public void run()
{
try
{
//连接服务器
mSocketClient = new Socket(wifiurl,Integer.parseInt(wificom));
//取得输入、输出流
mBufferedReaderClient = new BufferedReader(new InputStreamReader(mSocketClient.getInputStream()));
mPrintWriterClient = new PrintWriter(mSocketClient.getOutputStream(), true);
recvMessageClient = "wifi成功连接";//消息换行
Message msg = new Message();
msg.what = 1;
mHandler.sendMessage(msg);
}
catch (Exception e)
{
recvMessageClient = "连接错误！";//消息换行
Message msg = new Message();
msg.what = 1;
mHandler.sendMessage(msg);
return;
}
setRecvMessage();
}
};
public void setRecvMessage(){
char[] buffer = new char[256];
int count = 0;
while (true)
{
try
{
if((count = mBufferedReaderClient.read(buffer))>0)
{
recvMessageClient = getInfoBuff(buffer, count);//消息换行
//Thread.sleep(500);
Message msg = new Message();
msg.what = 1;
mHandler.sendMessage(msg);
//Toast.makeText(getActivity(),recvMessageClient,Toast.LENGTH_SHORT).show();
}
}
catch (Exception e)
{
recvMessageClient = "接收异常:" + e.getMessage() + "\n";//消息换行
Message msg = new Message();
msg.what = 0;
mHandler.sendMessage(msg);
}
}
}
Handler mHandler = new Handler()
{
public void handleMessage(Message msg)
{
super.handleMessage(msg);
if(msg.what == 0)
{
Toast.makeText(getActivity(),recvMessageClient,Toast.LENGTH_SHORT).show();//刷新消息机制
}
else if(msg.what == 1)
{
try
{
String result = recvMessageClient;
Toast.makeText(getActivity(),result,Toast.LENGTH_SHORT).show();
}catch(Exception e)
{
//Toast.makeText(getActivity(),"无法获取数据，检查网络是否连接！",Toast.LENGTH_SHORT).show();//刷新消息机制
}
}
}
};
//接收处理
private String getInfoBuff(char[] buff, int count)
{
char[] temp = new char[count];
for(int i=0; i<count; i++)
{
temp[i] = buff[i];
}
return new String(temp);
}
/*public void onDestroy() {
super.onDestroy();
if (isConnect)
{
isConnect = false;
try {
if(mSocketClient!=null)
{
mSocketClient.close();
mSocketClient = null;
//mThreadvideo.destroy();
mPrintWriterClient.close();
mPrintWriterClient = null;
recvMessageClient = "网络端口成功";//消息换行
Message msg = new Message();
msg.what = 0;
mHandler.sendMessage(msg);
}
} catch (IOException e) {
e.printStackTrace();
}
mThreadClient.interrupt();
}
}
*/
public void onClick(View v) {
// TODO Auto-generated method stub
switch(v.getId()){
case R.id.button1:
mPrintWriterClient.print("f");
mPrintWriterClient.flush();//清空
Toast.makeText(getActivity(),"前进",Toast.LENGTH_SHORT).show();
break;
case R.id.button2:
mPrintWriterClient.print("b");
mPrintWriterClient.flush();
Toast.makeText(getActivity(),"后退",Toast.LENGTH_SHORT).show();
break;
case R.id.button3:
mPrintWriterClient.print("l");
mPrintWriterClient.flush();
Toast.makeText(getActivity(),"向左",Toast.LENGTH_SHORT).show();
break;
case R.id.button4:
mPrintWriterClient.print("r");
mPrintWriterClient.flush();
Toast.makeText(getActivity(),"向右",Toast.LENGTH_SHORT).show();
break;
case R.id.button5:
if(!isConnect)
{
//开启mThreadClient线程
mThreadClient = new Thread(mRunnable);
mThreadClient.start();
Toast.makeText(getActivity(),"尝试连接网络",500).show();
}
else {
onDestroy();
isConnect=false;
// Btn_openwifi.setBackgroundResource(R.drawable.disconnect);
}
//开启mThreadvideo线程
//mThreadvideo = new Thread(mRunvideo);
//mThreadvideo.start();//开启视频监听
break;
//case R.id.button6:
//关闭wifi
/* if (isConnect)
{
isConnect = false;
try {
if(mSocketClient!=null)
{
mSocketClient.close();
mSocketClient = null;
//mThreadvideo.destroy();
mPrintWriterClient.close();
mPrintWriterClient = null;
recvMessageClient = "网络端口成功";//消息换行
Message msg = new Message();
msg.what = 0;
mHandler.sendMessage(msg);
}
} catch (IOException e) {
e.printStackTrace();
}
mThreadClient.interrupt();
}
*/
// break;
}
}
}

以上所述是小编给大家介绍的Android Socket 线程连接openwrt与arduino单片机串口双向通信，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对脚本之家网站的支持！

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