在UDP套接字java android上发送多个数据
我在UDP上发送多个数据时遇到问题,它会发送重复的最后一个数据在UDP套接字java android上发送多个数据,java,android,sockets,udp,Java,Android,Sockets,Udp,我在UDP上发送多个数据时遇到问题,它会发送重复的最后一个数据 UDP_Client Client = new UDP_Client(); Client.Message = "Your message1"; Client.NachrichtSenden(); Client.Message = "Your message2"; Client.NachrichtSenden(); Client.Message = "Your messa
UDP_Client Client = new UDP_Client();
Client.Message = "Your message1";
Client.NachrichtSenden();
Client.Message = "Your message2";
Client.NachrichtSenden();
Client.Message = "Your message3";
Client.NachrichtSenden();
输出为
你的留言3
你的留言3
你的留言3
我使用这个来源
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import android.annotation.SuppressLint;
import android.os.AsyncTask;
import android.os.Build;
public class UDP_Client
{
private AsyncTask<Void, Void, Void> async_cient;
public String Message;
@SuppressLint("NewApi")
public void NachrichtSenden()
{
async_cient = new AsyncTask<Void, Void, Void>()
{
@Override
protected Void doInBackground(Void... params)
{
DatagramSocket ds = null;
try
{
ds = new DatagramSocket();
DatagramPacket dp;
dp = new DatagramPacket(Message.getBytes(), Message.length(), Main.BroadcastAddress, Main.SERVER_PORT);
ds.setBroadcast(true);
ds.send(dp);
}
catch (Exception e)
{
e.printStackTrace();
}
finally
{
if (ds != null)
{
ds.close();
}
}
return null;
}
protected void onPostExecute(Void result)
{
super.onPostExecute(result);
}
};
if (Build.VERSION.SDK_INT >= 11) async_cient.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
else async_cient.execute();
}
}
导入java.net.DatagramPacket;
导入java.net.DatagramSocket;
导入android.annotation.SuppressLint;
导入android.os.AsyncTask;
导入android.os.Build;
公共类UDP_客户端
{
专用异步任务异步;
公共字符串消息;
@SuppressLint(“新API”)
公共无效NachrichtSenden()
{
async\u cient=新的AsyncTask()
{
@凌驾
受保护的Void doInBackground(Void…参数)
{
DatagramSocket ds=null;
尝试
{
ds=新的DatagramSocket();
数据包dp;
dp=新的DatagramPacket(Message.getBytes()、Message.length()、Main.BroadcastAddress、Main.SERVER\u端口);
ds.路演(真实);
ds.send(dp);
}
捕获(例外e)
{
e、 printStackTrace();
}
最后
{
如果(ds!=null)
{
ds.close();
}
}
返回null;
}
受保护的void onPostExecute(void结果)
{
super.onPostExecute(结果);
}
};
if(Build.VERSION.SDK\u INT>=11)async\u cient.executeOnExecutor(AsyncTask.THREAD\u POOL\u EXECUTOR);
else async_cient.execute();
}
}
(表格:)固定
public class UDP_Client
{
private AsyncTask<Void, Void, Void> async_cient;
public String Message;
@SuppressLint("NewApi")
public void NachrichtSenden(final String word)
{
async_cient = new AsyncTask<Void, Void, Void>()
{
@Override
protected Void doInBackground(Void... params)
{
DatagramSocket ds = null;
try
{
ds = new DatagramSocket();
DatagramPacket dp;
dp = new DatagramPacket(word.getBytes(), word.length(), InetAddress.getByName(TXIp), TXPort);
ds.setBroadcast(true);
ds.send(dp);
}
catch (Exception e)
{
e.printStackTrace();
}
finally
{
if (ds != null)
{
ds.close();
}
}
return null;
}
protected void onPostExecute(Void result)
{
super.onPostExecute(result);
}
};
if (Build.VERSION.SDK_INT >= 11) async_cient.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR);
else async_cient.execute();
}
}
UDP_Client Client = new UDP_Client();
Client.NachrichtSenden("Your message1");
Client.NachrichtSenden("Your message2");
Client.NachrichtSenden("Your message3");