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標(biāo)題: 求助APP線程連接問題(TCP)—安卓軟件 [打印本頁]

作者: Afan的單片機(jī) 時(shí)間: 2019-2-24 20:53
標(biāo)題: 求助APP線程連接問題(TCP)—安卓軟件
我自己做了一個(gè)手機(jī)APP，主要是連接一個(gè)物聯(lián)網(wǎng)模塊【esp8266】，但是app一直顯示通訊失敗，所以把代碼貼出來希望大家?guī)蛶托“祝赡苁蔷€程某個(gè)地方的問題。

package com.example.afan.one;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintStream;
import java.net.Socket;
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
private EditText mIp; //  IP
private EditText mPort;    //  端口號(hào)
private String mStrIp;    //  字符串類型ip
private int miPort; //  字符類型端口
private Button mBtnConnect; //  連接
private Button mLedON;    //  按鈕LED燈開
private Button mLedOFF;    //  按鈕LED燈關(guān)
private Socket mSocket;    //  套接字
private PrintStream out; //  打印輸出流
private ConnectThread mConnectThread; //  TCP連接線
protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
      mBtnConnect = (Button) findViewById(R.id.bt1);
      mLedON = (Button) findViewById(R.id.bt2);
      mLedOFF = (Button) findViewById(R.id.bt3);
      mIp = (EditText) findViewById(R.id.edit_IP);
      mPort = (EditText) findViewById(R.id.edit_PORT);
      mBtnConnect.setOnClickListener(this);
      mLedON.setOnClickListener(this);
      mLedOFF.setOnClickListener(this);
}
@Override
public void onClick(View view) {
      switch (view.getId()) {
         case R.id.bt1:
            if (mSocket == null || !mSocket.isConnected()) {
                  mStrIp = mIp.getText().toString();
                  miPort = Integer.valueOf(mPort.getText().toString());
                  mConnectThread = new ConnectThread(mStrIp, miPort);
                  mConnectThread.start();
            }
            if (mSocket != null && mSocket.isConnected()) {
                  try {
                     mSocket.close();
                     mSocket = null; //  清空mSocket
                     mBtnConnect.setText("連接");
                     Toast.makeText(MainActivity.this, "連接已關(guān)閉", Toast.LENGTH_LONG).show();
                  } catch (IOException e) {
                     e.printStackTrace();
                  }
            }
            break;
         case R.id.bt2:
            if (out != null) {
                  out.print("0");
                  out.flush();
            }
            break;
         case R.id.bt3:
            if (out != null) {
                  out.print("1");
                  out.flush();
            }
            break;
      }
}
private class ConnectThread extends Thread {
      private String ip;
      private int port;

      public ConnectThread(String ip, int port) {
         this.ip = ip;
         this.port = port;
      }
      public void run() {
         try {
            mSocket = new Socket(ip, port);
            out = new PrintStream(mSocket.getOutputStream());
            runOnUiThread(new Runnable() {
                  @Override
                  public void run() {
                     mBtnConnect.setText("斷開");
                     Toast.makeText(MainActivity.this, "連接成功", Toast.LENGTH_LONG).show();
                  }
            });
            new HeartBeatThread().start();
         } catch (IOException e) {
            e.printStackTrace();
            runOnUiThread(new Runnable() {
                  @Override
                  public void run() {
                     Toast.makeText(MainActivity.this, "連接失敗", Toast.LENGTH_LONG).show();
                  }
            });
         }
      }
}
private class HeartBeatThread extends Thread {
      @Override
      public void run() {
         while (true) {
            try {
                  Thread.sleep(3000);
                  if (!mSocket.isConnected()) {
                     runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                              mBtnConnect.setText("連接");
                              Toast.makeText(MainActivity.this, "連接已關(guān)閉", Toast.LENGTH_SHORT).show();
                        }
                     });
                  }
            } catch (InterruptedException e) {
                  e.printStackTrace();
            }
         }
      }
}

作者: yzwzfyz 時(shí)間: 2019-2-25 07:55
我想用單片機(jī)及其它電子部分知識(shí)換你的手機(jī)APP知識(shí)。加我QQ，下方有。加時(shí)注明手機(jī)APP。

作者: Afan的單片機(jī) 時(shí)間: 2019-2-25 11:03

yzwzfyz 發(fā)表于 2019-2-25 07:55
我想用單片機(jī)及其它電子部分知識(shí)換你的手機(jī)APP知識(shí)。加我QQ，下方有。加時(shí)注明手機(jī)APP。

什么意思？給你app嗎還是

作者: yzwzfyz 時(shí)間: 2019-2-25 11:57
互相學(xué)習(xí)而矣

作者: Afan的單片機(jī) 時(shí)間: 2019-2-25 19:35
有玩安卓的大佬嗎

歡迎光臨 (http://www.raoushi.com/bbs/)