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whycq

2024-08-12 9e4bd3c3363e2b767dc9efa535f447fcf0bb0ca0

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 app/build.gradle

@@ -36,6 +36,7 @@
    testImplementation 'junit:junit:4.13.2'
    androidTestImplementation 'androidx.test.ext:junit:1.1.5'
    androidTestImplementation 'androidx.test.espresso:espresso-core:3.5.1'
    implementation 'org.greenrobot:eventbus:3.2.0'

    implementation 'androidx.recyclerview:recyclerview:1.3.0'
    implementation 'io.netty:netty-all:4.1.68.Final'

 app/src/main/java/com/example/agvcontroller/StartActivity.java

@@ -1,12 +1,17 @@
package com.example.agvcontroller;

import android.os.Bundle;
import android.util.Log;

import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;

import com.example.agvcontroller.socket.SocketManager;

import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;

import java.util.ArrayList;
import java.util.List;
@@ -22,19 +27,41 @@
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_start);

        socketManager = new SocketManager();
        socketManager.startServer(8080);

        recyclerView = findViewById(R.id.recyclerView);
        recyclerView.setLayoutManager(new LinearLayoutManager(this));

        items = new ArrayList<>();
        //items.add(new Item("192.168.4.188", "Item 1", "Description of Item 1"));
        //items.add(new Item("192.168.4.61", "Item 2", "Description of Item 2"));
        //items.add(new Item("192.168.4.233", "Item 3", "Description of Item 3"));

        adapter = new ItemAdapter(items);
        recyclerView.setAdapter(adapter);
        adapter.addItem(new Item("AGV-3948", "192.168.4.188:56487", "Description of Item 1"));

        EventBus.getDefault().register(this);

        socketManager = new SocketManager();
        socketManager.startServer(8080);
    }

    @Subscribe(threadMode = ThreadMode.MAIN)
    public void onDeviceConnected(Item deviceAddress) {
        Log.i("EventBus", "Received device connected: " + deviceAddress);
        items.add(new Item("1",deviceAddress.getIp(),"3"));
        if (items.size() > 0) {
            for (Item item : items) {
                Log.i("Item",item.getIp());
            }
        }
        adapter.notifyDataSetChanged();
    }

    @Subscribe(threadMode = ThreadMode.MAIN)
    public void onDeviceDisconnected(String deviceIp) {
        Log.i("EventBus", "Received device disconnected: " + deviceIp);
        for (int i = 0; i < items.size(); i++) {
            if (items.get(i).getIp().equals(deviceIp)) {
                items.remove(i);
                break;
            }
        }
        adapter.notifyDataSetChanged();
    }
}

 app/src/main/java/com/example/agvcontroller/socket/NettyServerHandler.java

@@ -8,6 +8,14 @@
import io.netty.channel.ChannelHandlerContext;
import io.netty.channel.ChannelInboundHandlerAdapter;
import android.util.Log;

import com.example.agvcontroller.Item;


import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;
import org.greenrobot.eventbus.ThreadMode;

import java.util.concurrent.ConcurrentHashMap;

public class NettyServerHandler extends ChannelInboundHandlerAdapter {
@@ -19,6 +27,7 @@
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        String clientId = ctx.channel().remoteAddress().toString();
        channelMap.put(clientId, ctx.channel());
        EventBus.getDefault().post(new Item("1",clientId,"3"));
        Log.d(TAG, "Client connected: " + clientId);
    }

@@ -26,6 +35,7 @@
    public void channelInactive(ChannelHandlerContext ctx) throws Exception {
        String clientId = ctx.channel().remoteAddress().toString();
        channelMap.remove(clientId);
        EventBus.getDefault().post(clientId);
        Log.d(TAG, "Client disconnected: " + clientId);
    }