package com.qsgy.oymc;
import android.content.Context;
import android.view.View;
import android.app.*;
import android.os.*;
import android.widget.*;
import java.io.IOException;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.*;
public class ControlActivity extends Activity
{
public static Context context;
ListView lv;
ArrayList<Map<String,Object>> items=new ArrayList<Map<String,Object>>();//the datas
SimpleAdapter adepter;//适配器
LinearLayout wl;//白灯布局文件
LinearLayout yl;
Button connect;//连接按钮
TextView isConnected;//显示是否连接的文本
EditText sendMessage;//发送内容
Button sendBtn;//发送按钮
EditText ipText;//ip地址
EditText portText;//端口
boolean isConet=false;
String tagertIP="";
int tagertPort;
Socket socket;
PrintWriter writer;
public Handler mHandler = new Handler() {
public void handleMessage(Message msg) {
switch (msg.what)
{
case 1:
Toast.makeText(ControlActivity.this,"Connected ",Toast.LENGTH_LONG ).show();
isConnected.setText("已链接");
break;
case 0:
isConnected.setText("未链接");
break;
case 2:
Toast.makeText(ControlActivity.this,"Erorr"+msg.obj,Toast.LENGTH_SHORT ).show();
break;
default:
break;
}
}
};
@Override
protected void onCreate(Bundle savedInstanceState)
{
context=this;//dan li mo shi
super.onCreate(savedInstanceState);
setContentView(R.layout.main);//set main xml
lv=(ListView)findViewById(R.id.list);//get listview
ipText=(EditText) findViewById(R.id.ip_value);//ip
portText=(EditText) findViewById(R.id.port_value);//port
sendMessage=(EditText) findViewById(R.id.send_message);
sendBtn=(Button) findViewById(R.id.send_btn);
connect=(Button) findViewById(R.id.Connect);
isConnected=(TextView) findViewById(R.id.isConnected);
ipText.setText("192.168.4.1");//initial the text of ip
portText.setText("8080");
//适配
adepter=new SimpleAdapter(this, items,
R.layout.light_lv,new String[]{"name"},
new int[]{R.id.light_show});
Adapter adapter = new Adapter();
lv.setAdapter(adapter);
}
//连接按钮
public void Connect(View v) throws IOException {
if (!isConet)//if not conneted,then to connet
{
//在新的线程运行
Thread t = new Thread() {
@Override
public void run() {
tagertIP = ipText.getText().toString();
tagertPort = Integer.parseInt(portText.getText().toString());
try {
//
socket = new Socket(tagertIP, tagertPort);
socket.setSoTimeout(3000);
writer = new PrintWriter(socket.getOutputStream());
//在子线程中刷新ui
Message message = new Message();
message.what = 1;
mHandler.sendMessage(message);//发送message给handler
isConet = true;
} catch (Exception e) {
//Toast.makeText(ControlActivity.this,"error"+e.toString(),Toast.LENGTH_LONG ).show(); // FIXME: 2017/12/3
e.printStackTrace();
Message message = new Message();
message.what = 2;
message.obj = e.toString();
mHandler.sendMessage(message);//发送message给handler
} finally {
}
}
};
t.setName("net thread");
t.start();
}else {//if connected then
socket.close();
isConnected.setText("未连接");
Toast.makeText(this,"关闭Socket",Toast.LENGTH_SHORT).show();
isConet=false;
}
}
public void Send(View v)
{
if (isConet)
{
String sendM=sendMessage.getText().toString()+"\r\n";
writer.print(sendM);
writer.flush();
Toast.makeText(this,"Sended ",Toast.LENGTH_SHORT ).show();
}
}
public void SendLight(String s)
{
if (isConet)
{
writer.print(s+"\r\n");
writer.flush();
}
}
}
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一个用于控制51单片机的小APP.zip
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java:14个
png:12个
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2024-03-12
23:40:56
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