[英]Android application with Java - udp string doesn't send
I have started working with JAVA on android studio and I'm trying to create a simple application that will send to my server a udp string. 我已经开始在Android Studio上使用JAVA,并且正在尝试创建一个简单的应用程序,它将向我的服务器发送udp字符串。
Everything seems to be working in the application (when I press the button I can see it been pressed , and when I use android studio and debug - the function is working, I don't get any exceptions). 一切似乎都在应用程序中正常工作(当我按下按钮时,我可以看到它被按下了,而当我使用android studio进行调试时-该功能正在运行,我没有任何异常)。
I have checked and my server is listening to the port (other applications are sending to this port - and it's working). 我已经检查过,并且我的服务器正在侦听该端口(其他应用程序正在发送至该端口-并且正在运行)。
But I don't think the application is sending to it. 但是我不认为应用程序正在发送它。
This is what I have : 这就是我所拥有的:
btnAction.setOnClickListener(new View.OnClickListener() {
@override
public void onClick(View v) {
try {
String messageStr = "test!";
int server_port = 1111;
DatagramSocket s = new DatagramSocket();
InetAddress local = InetAddress.getByName("My.Public.Server.IP");
int msg_length = messageStr.length();
byte[] message = messageStr.getBytes();
DatagramPacket p = new DatagramPacket(message, msg_length, local,server_port);
s.send(p);
} catch (Exception e) {
}
}
}
Any idea what is wrong? 知道有什么问题吗?
Thanks in advance. 提前致谢。
<uses-permission android:name="android.permission.INTERNET"/>
<uses-permission android:name="android.permission.INTERNET"/>
具有互联网许可 Your code will look like: 您的代码如下所示:
btnAction.setOnClickListener(new View.OnClickListener() {
@override
public void onClick(View v) {
new Thread("thread_udp"){
public void run(){
try {
String messageStr = "test!";
int server_port = 1111;
DatagramSocket s = new DatagramSocket();
InetAddress local = InetAddress.getByName("My.Public.Server.IP");
int msg_length = messageStr.length();
byte[] message = messageStr.getBytes();
DatagramPacket p = new DatagramPacket(message, msg_length, local,server_port);
s.send(p);
} catch (Exception e) {
e.printStackTrace()
}
}
}.start()
}
}
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