ICode9

精准搜索请尝试: 精确搜索
首页 > 其他分享> 文章详细

智能开关1.0

2020-07-25 13:33:56  阅读:214  来源: 互联网

标签:1.0 智能 void private 开关 client msg import Serial


arduino代码:

#include <ESP8266WiFi.h>
#include <PubSubClient.h>
WiFiClient espClient;
PubSubClient client(espClient);
const char* wifissid = "HO"; //改成自己家wifi
const char* password = "zlf7783616"; //改成自己家wifi
const char* mqtt_server = "106.13.150.28";
const char* mqtt_id = "1151226060_ESP";   //改成自己的QQ号+_ESP
const char* Mqtt_sub_topic = "1151226060_ESP";   //改成自己的QQ号+_ESP
const char* Mqtt_pub_topic = "1151226060";  //  上报消息给  手机APP的TOPIC  //改成自己的QQ号
void setup() {
  pinMode(2, OUTPUT); //如果该引脚通过pinMode()设置为输出模式(OUTPUT),您可以通过digitalWrite()语句将该引脚设置为HIGH(5伏特)或LOW(0伏特/GND)。    
  Serial.begin(115200);
  setup_wifi();
  client.setServer(mqtt_server, 1883);
  client.setCallback(callback);
}
void setup_wifi() {
  Serial.println();
  Serial.print("Connecting to ");
  Serial.println(wifissid);
  WiFi.begin(wifissid, password);
  while (WiFi.status() != WL_CONNECTED) {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}
void callback(char* topic, byte* payload, unsigned int length) {
  String msg="";
  String LED_set = "";
  Serial.print("Message arrived [");
  Serial.print(topic);
  Serial.print("] ");
  for (int i = 0; i < length; i++) {
    msg+= (char)payload[i];
  }
  Serial.println(msg);
  if(msg.indexOf("led"))  //判断是否是要设置LED灯
  {
    //取出LED_set数据 并执行
    LED_set = msg.substring(msg.indexOf("led\":")+5,msg.indexOf("}")); 
    digitalWrite(2,!LED_set.toInt()); 
  }
}
void reconnect() {
  while (!client.connected()) {
    Serial.print("Attempting MQTT connection...");
    if (client.connect(mqtt_id)) {
      Serial.println("connected");
      //连接成功以后就开始订阅
      client.subscribe(Mqtt_sub_topic,1);
    } else {
      Serial.print("failed, rc=");
      Serial.print(client.state());
      Serial.println(" try again in 5 seconds");
      delay(5000);
    }
  }
}
void loop() {
  if (!client.connected()) {
    reconnect();
  }
  client.loop();
  
}

IDEA Android stydio代码:

package com.example.intelligent_switch;

import androidx.appcompat.app.AppCompatActivity;

import android.annotation.SuppressLint;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.provider.Settings;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;

import org.eclipse.paho.client.mqttv3.IMqttDeliveryToken;
import org.eclipse.paho.client.mqttv3.MqttCallback;
import org.eclipse.paho.client.mqttv3.MqttClient;
import org.eclipse.paho.client.mqttv3.MqttConnectOptions;
import org.eclipse.paho.client.mqttv3.MqttException;
import org.eclipse.paho.client.mqttv3.MqttMessage;
import org.eclipse.paho.client.mqttv3.persist.MemoryPersistence;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;
import java.util.concurrent.TimeUnit;

public class MainActivity extends AppCompatActivity {
    private String host = "tcp://106.13.150.28:1883";
    private String userName = "android";
    private String passWord = "android";
    private String mqtt_id = "1151226060"; //定义成自己的QQ号  切记!不然会掉线!!!
    private String mqtt_sub_topic = "1151226060"; //为了保证你不受到别人的消息  哈哈
    private String mqtt_pub_topic = "1151226060_ESP"; //为了保证你不受到别人的消息  哈哈  自己QQ好后面加 _ESP
    private int led_flag =1;
    private ScheduledExecutorService scheduler;
    private Button btn_1;  //类似于单片机开发里面的   参数初始化
    private Button image_1;
    private MqttClient client;
    private MqttConnectOptions options;
    private Handler handler;

    @SuppressLint("HandlerLeak")
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        //这里是界面打开后 最先运行的地方
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main); // 对应界面UI
        //一般先用来进行界面初始化 控件初始化  初始化一些参数和变量。。。。。
        //不恰当比方    类似于 单片机的   main函数
        btn_1 = findViewById(R.id.btn_1); // 寻找xml里面真正的id  与自己定义的id绑定
        btn_1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                // 这里就是单机之后执行的地方
                // 玩单片机  最常用的就是调试  printf(“hello”)
                System.out.println("hello");
                //更直观的方法   用弹窗:toast
                //在当前activity 显示内容为“hello”的短时间弹窗
                Toast.makeText(MainActivity.this,"hello" ,Toast.LENGTH_SHORT).show();
            }
        });
        //到这里  你已经学会了基本的安卓开发
        // 按钮单机事件你会了   图片单机呢???
        image_1 =findViewById(R.id.image_1);
        image_1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(led_flag == 0)
                {
                    publishmessageplus(mqtt_pub_topic,"{\"set_led\":1}");
                    led_flag =1;
                }else{
                    publishmessageplus(mqtt_pub_topic,"{\"set_led\":0}");
                    led_flag =0;
                }
            }
        });
        //  两个控件联动    按钮单机 更改 textview 的内容

//**********************************************************//
        Mqtt_init();
        startReconnect();
        handler = new Handler() {
            @SuppressLint("SetTextI18n")
            public void handleMessage(Message msg) {
                super.handleMessage(msg);
                switch (msg.what){
                    case 1: //开机校验更新回传
                        break;
                    case 2:  // 反馈回传

                        break;
                    case 3:  //MQTT 收到消息回传   UTF8Buffer msg=new UTF8Buffer(object.toString());


                        //Toast.makeText(MainActivity.this,T_val ,Toast.LENGTH_SHORT).show();

                        break;
                    case 30:  //连接失败
                        Toast.makeText(MainActivity.this,"连接失败" ,Toast.LENGTH_SHORT).show();
                        break;
                    case 31:   //连接成功
                        Toast.makeText(MainActivity.this,"连接成功" ,Toast.LENGTH_SHORT).show();
                        try {
                            client.subscribe(mqtt_sub_topic,1);
                        } catch (MqttException e) {
                            e.printStackTrace();
                        }
                        break;
                    default:
                        break;
                }
            }
        };
    }

    private void Mqtt_init()
    {
        try {
            //host为主机名,test为clientid即连接MQTT的客户端ID,一般以客户端唯一标识符表示,MemoryPersistence设置clientid的保存形式,默认为以内存保存
            client = new MqttClient(host, mqtt_id,
                    new MemoryPersistence());
            //MQTT的连接设置
            options = new MqttConnectOptions();
            //设置是否清空session,这里如果设置为false表示服务器会保留客户端的连接记录,这里设置为true表示每次连接到服务器都以新的身份连接
            options.setCleanSession(false);
            //设置连接的用户名
            options.setUserName(userName);
            //设置连接的密码
            options.setPassword(passWord.toCharArray());
            // 设置超时时间 单位为秒
            options.setConnectionTimeout(10);
            // 设置会话心跳时间 单位为秒 服务器会每隔1.5*20秒的时间向客户端发送个消息判断客户端是否在线,但这个方法并没有重连的机制
            options.setKeepAliveInterval(20);
            //设置回调
            client.setCallback(new MqttCallback() {
                @Override
                public void connectionLost(Throwable cause) {
                    //连接丢失后,一般在这里面进行重连
                    System.out.println("connectionLost----------");
                    //startReconnect();
                }
                @Override
                public void deliveryComplete(IMqttDeliveryToken token) {
                    //publish后会执行到这里
                    System.out.println("deliveryComplete---------"
                            + token.isComplete());
                }
                @Override
                public void messageArrived(String topicName, MqttMessage message)
                        throws Exception {
                    //subscribe后得到的消息会执行到这里面
                    System.out.println("messageArrived----------");
                    Message msg = new Message();
                    msg.what = 3;   //收到消息标志位
                    msg.obj = topicName + "---" + message.toString();
                    handler.sendMessage(msg);    // hander 回传
                }
            });
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    private void Mqtt_connect() {
        new Thread(new Runnable() {
            @Override
            public void run() {
                try {
                    if(!(client.isConnected()) )  //如果还未连接
                    {
                        client.connect(options);
                        Message msg = new Message();
                        msg.what = 31;
                        handler.sendMessage(msg);
                    }
                } catch (Exception e) {
                    e.printStackTrace();
                    Message msg = new Message();
                    msg.what = 30;
                    handler.sendMessage(msg);
                }
            }
        }).start();
    }
    private void startReconnect() {
        scheduler = Executors.newSingleThreadScheduledExecutor();
        scheduler.scheduleAtFixedRate(new Runnable() {
            @Override
            public void run() {
                if (!client.isConnected()) {
                    Mqtt_connect();
                }
            }
        }, 0 * 1000, 10 * 1000, TimeUnit.MILLISECONDS);
    }
    private void publishmessageplus(String topic,String message2)
    {
        if (client == null || !client.isConnected()) {
            return;
        }
        MqttMessage message = new MqttMessage();
        message.setPayload(message2.getBytes());
        try {
            client.publish(topic,message);
        } catch (MqttException e) {

            e.printStackTrace();
        }
    }





}
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        xmlns:tools="http://schemas.android.com/tools"
        xmlns:app="http://schemas.android.com/apk/res-auto"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        tools:context=".MainActivity">
    <LinearLayout
            android:layout_width="match_parent"
            android:orientation="vertical"
            android:layout_height="match_parent">
        <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="160dp">
            <TextView
                    android:layout_width="wrap_content"
                    android:text="基于物联网的智能开关"
                    android:textSize="35dp"
                    android:textColor="#CCFFFF"
                    android:background="@drawable/background_lvshe"


                    android:layout_height="wrap_content">

            </TextView>

        </LinearLayout>
        <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="160dp">


        </LinearLayout>
        <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content">
            <LinearLayout
                    android:layout_width="wrap_content"
                    android:layout_weight="1"
                    android:orientation="vertical"
                    android:layout_height="wrap_content">
                <Button
                        android:layout_width="wrap_content"
                        android:text="电源开关"
                        android:textSize="50dp"
                        android:background="@drawable/drawable"
                        android:layout_gravity="center_horizontal"
                        android:id="@+id/image_1"
                        android:layout_height="wrap_content">
                </Button>
            </LinearLayout>


        </LinearLayout>
        <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="230dp">


        </LinearLayout>
        <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content">
            <Button
                    android:layout_width="wrap_content"
                    android:text="按下有惊喜"
                    android:id="@+id/btn_1"
                    android:layout_height="wrap_content">
            </Button>
        </LinearLayout>

    </LinearLayout>

</androidx.constraintlayout.widget.ConstraintLayout>
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
          package="com.example.intelligent_switch">
            <!--允许程序打开网络套接字-->
            <uses-permission android:name="android.permission.INTERNET" />
            <!--允许程序获取网络状态-->
            <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />

    <application
            android:allowBackup="true"
            android:icon="@mipmap/ic_launcher"
            android:label="智能开关"
            android:roundIcon="@mipmap/ic_launcher_round"
            android:supportsRtl="true"
            android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN"/>

                <category android:name="android.intent.category.LAUNCHER"/>
            </intent-filter>
        </activity>
    </application>

</manifest>

 

标签:1.0,智能,void,private,开关,client,msg,import,Serial
来源: https://www.cnblogs.com/Llingfeng/p/13376424.html

本站声明: 1. iCode9 技术分享网(下文简称本站)提供的所有内容,仅供技术学习、探讨和分享;
2. 关于本站的所有留言、评论、转载及引用,纯属内容发起人的个人观点,与本站观点和立场无关;
3. 关于本站的所有言论和文字,纯属内容发起人的个人观点,与本站观点和立场无关;
4. 本站文章均是网友提供,不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属;如您发现该文章侵犯了您的权益,可联系我们第一时间进行删除;
5. 本站为非盈利性的个人网站,所有内容不会用来进行牟利,也不会利用任何形式的广告来间接获益,纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。

专注分享技术,共同学习,共同进步。侵权联系[81616952@qq.com]

Copyright (C)ICode9.com, All Rights Reserved.

ICode9版权所有