Main2Activity.java
2.57 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
package com.sunvote.udptest;
import android.os.Handler;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import com.sunvote.util.ByteUtils;
import java.net.DatagramPacket;
import java.net.DatagramSocket;
public class Main2Activity extends AppCompatActivity {
public static int port = 40003;
public static String ip ;
private TextView display;
private Button button;
private int cou = 0 ;
StringBuilder stringBuilder = new StringBuilder();
private String count ;
private boolean isCrate = false;
private Handler handler ;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
display = (TextView) findViewById(R.id.display);
button = (Button) findViewById(R.id.clean);
button.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
stringBuilder = new StringBuilder();
cou = 0 ;
display.setText("收到" + cou + "条消息\n"+ stringBuilder.toString());
}
});
isCrate = true;
handler = new Handler();
thread.start();
}
@Override
protected void onDestroy() {
super.onDestroy();
isCrate = false;
}
private Thread thread = new Thread(){
@Override
public void run() {
super.run();
DatagramSocket localUDPSocket = LocalUDPSocketProvider.getInstance().getLocalUDPSocket();
while (isCrate){
if (localUDPSocket != null && !localUDPSocket.isClosed()) {
try {
byte[] data = new byte[1024];
DatagramPacket packet = new DatagramPacket(data, data.length);
localUDPSocket.receive(packet);
stringBuilder.append(ByteUtils.bytesToHexString(packet.getData(),packet.getLength())).append("\n");
cou ++ ;
handler.post(new Runnable() {
@Override
public void run() {
display.setText("收到" + cou + "条消息\n"+ stringBuilder.toString());
}
});
}catch (Exception ex){
}
}
}
}
};
}