Android udp上的字符串
我可以在我通过这段代码编写的c#UDP服务器上接收数据,但我在编辑文本框中输入的不是字符串。。。我收到android.widget。EditText@xxxxxx在服务器上。如果能帮上点忙,我将不胜感激Android udp上的字符串,android,string,android-asynctask,udp,client,Android,String,Android Asynctask,Udp,Client,我可以在我通过这段代码编写的c#UDP服务器上接收数据,但我在编辑文本框中输入的不是字符串。。。我收到android.widget。EditText@xxxxxx在服务器上。如果能帮上点忙,我将不胜感激 package com.winmote.pro; import java.io.IOException; import java.net.DatagramPacket; import java.net.DatagramSocket; import java.net.InetAddress; i
package com.winmote.pro;
import java.io.IOException;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
import java.net.InetAddress;
import java.net.SocketException;
import java.net.UnknownHostException;
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
public class MainActivity extends Activity {
private EditText editText1;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button button1 = (Button) findViewById(R.id.button1);
editText1 = (EditText) findViewById(R.id.editText1);
button1.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
String cmd= editText1.toString();
new nwcomm().execute(cmd);
}
});
}
private class nwcomm extends AsyncTask<String,Void,Void>{
@Override
protected Void doInBackground(String... text) {
// TODO Auto-generated method stub
String msg=text[0].toString();
InetAddress to = null;
try {
to = InetAddress.getByName("192.168.0.105");
} catch (UnknownHostException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
int port=55505;
DatagramSocket soc = null;
try {
soc = new DatagramSocket();
} catch (SocketException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
byte[] data = msg.getBytes();
DatagramPacket pac = new DatagramPacket(data, data.length, to, port);
try {
soc.send(pac);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
return null;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_main, menu);
return true;
}
}
package com.winmote.pro;
导入java.io.IOException;
导入java.net.DatagramPacket;
导入java.net.DatagramSocket;
导入java.net.InetAddress;
导入java.net.SocketException;
导入java.net.UnknownHostException;
导入android.app.Activity;
导入android.os.AsyncTask;
导入android.os.Bundle;
导入android.view.Menu;
导入android.view.view;
导入android.view.view.OnClickListener;
导入android.widget.Button;
导入android.widget.EditText;
公共类MainActivity扩展了活动{
私人编辑文本编辑文本1;
@凌驾
创建时的公共void(Bundle savedInstanceState){
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
按钮button1=(按钮)findViewById(R.id.button1);
editText1=(EditText)findViewById(R.id.editText1);
button1.setOnClickListener(新的OnClickListener(){
@凌驾
公共void onClick(视图v){
String cmd=editText1.toString();
新的nwcomm().execute(cmd);
}
});
}
私有类nwcomm扩展异步任务{
@凌驾
受保护的Void doInBackground(字符串…文本){
//TODO自动生成的方法存根
字符串msg=text[0]。toString();
InetAddress to=null;
试一试{
to=InetAddress.getByName(“192.168.0.105”);
}捕获(未知后异常e){
//TODO自动生成的捕捉块
e、 printStackTrace();
}
int端口=55505;
DatagramSocket soc=null;
试一试{
soc=新的DatagramSocket();
}捕获(SocketException e){
//TODO自动生成的捕捉块
e、 printStackTrace();
}
byte[]data=msg.getBytes();
DatagramPacket pac=新的DatagramPacket(数据,data.length,to,port);
试一试{
soc.send(pac);
}捕获(IOE异常){
//TODO自动生成的捕捉块
e、 printStackTrace();
}
返回null;
}
}
@凌驾
公共布尔onCreateOptions菜单(菜单){
getMenuInflater().充气(R.menu.activity\u主菜单);
返回true;
}
}
您需要询问EditText的内容,而不是变量的字符串表示形式。。。更改此行:
String cmd= editText1.toString();
致:
String cmd = editText1.getText().toString();