手机 蓝牙 控制 继电器 无线门锁 物联网 安卓源码 安卓开发 Android WIFI控制 详细注释测试稳定无bug

一、功能：

1.Android  WIFI连接与断开，保存连接IP及端口。

2.WIFI控制3个继电器

3.16进制发送指令，可以单条和多条发送，用逗号隔开。

4.16进制接收

如需特别功能可以找我定制（程序源码,定制专家 手机:[phone] 旺旺:chenhao0568  QQ:345139427）。

二、源码如下：

登陆Login.java

package com.example.eeeee;import java.io.InputStream;import java.io.OutputStream;import java.net.InetAddress;import java.net.Socket;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.annotation.SuppressLint;import android.app.Activity;import android.view.View;import android.widget.Button;import android.widget.CheckBox;import android.widget.EditText;import android.widget.Toast;import android.content.Intent;import android.content.SharedPreferences;import android.content.SharedPreferences.Editor;@SuppressLint("NewApi")public class Login<E, K, V> extends Activity {public static Socket mSocket;public static InputStream ips;public static OutputStream ops;//private final String DEBUG_TAG = "mySocketAct";private String ip;private String port;//private ImageButton but7=null;private EditText ServerIp = null;private EditText ServerPort = null;private Button btn_login = null;private CheckBox remember;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        super.setContentView(R.layout.login);               //“登陆”页面-------------------------------------------------------------------------------------------      this.ServerIp = (EditText)super.findViewById(R.id.et_ip);      this.ServerPort = (EditText)super.findViewById(R.id.et_port);      btn_login = (Button)this.findViewById(R.id.btn_login);      remember = (CheckBox)this.findViewById(R.id.cb_remember);      loadIpPort();       ////载入IP地址及端口            btn_login.setOnClickListener(new View.OnClickListener() {    //按“登陆”按钮后的事件       @Overridepublic void onClick(View arg0) {// TODO Auto-generated method stub       //容错判断ip = ServerIp.getText().toString().trim();port = ServerPort.getText().toString().trim();ServerIp.requestFocus();if(ip==null|ip.trim().equals(""))ServerIp.setError("请输入IP地址！");                if(port==null|port.trim().equals(""))                ServerPort.setError("请输入端口号！");                else                {                   connect();                }    return;}});             }    public void saveIpPort()             //保存IP地址及端口    {     SharedPreferences uiState   = getSharedPreferences("RS485 Controller", MODE_PRIVATE); Editor et=uiState.edit(); et.putString("ip",ServerIp.getText().toString()); et.putString("port",ServerPort.getText().toString());  et.commit();    }     public void loadIpPort()              //载入IP地址及端口    {     SharedPreferences uiState   = getSharedPreferences("RS485 Controller", MODE_PRIVATE);    ServerIp.setText(uiState.getString("ip","192.168.1.180" ));    ServerPort.setText(uiState.getString("port", "8899"));     }    public void connect() {    Toast.makeText(Login.this, "连接中……", Toast.LENGTH_SHORT).show();new Thread(new Runnable() {@Overridepublic void run() {try {mSocket = new Socket(InetAddress.getByName(ip),Integer.parseInt(port));// mSocket =new Socket("192.168.1.180",8899);ops = mSocket.getOutputStream();ips =mSocket.getInputStream();} catch (Exception e) {e.printStackTrace();} finally {}handler.sendMessage(handler.obtainMessage());}}).start();}// 消息处理队列private Handler handler =  new Handler(new Handler.Callback() {  @Override        public boolean handleMessage(Message msg) {if (mSocket == null) {Toast.makeText(Login.this, "连接失败,请重新登陆!", Toast.LENGTH_SHORT).show();} else{Toast.makeText(Login.this, "连接成功!", Toast.LENGTH_SHORT).show(); if (remember.isChecked()) { saveIpPort();}             //保存IP地址及端口Intent intent = new Intent();intent.setClass(Login.this,Relay.class);startActivity(intent);                                         //进入Login页面//finish();   }            return false;        }});}

先上图：