无法使用蓝牙HC -06-应用程序停止工作

Question

我正在尝试在Arduino和Android设备之间创建连接。我正在使用：

• Arduino Leonardo
• 蓝牙设备：HC-06

我的Android应用程序应读取从Arduino设备发送的数据。这是Arduino的代码。

void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
  Serial1.begin(9600);
}
void loop() {
  // put your main code here, to run repeatedly:
   delay(500);
   Serial.print("#A~");
   Serial1.print("#A~");
}

我的应用程序正在与Arduino建立连接，但事实是，我的应用程序在接收Arduino的数据时会崩溃。它说"不幸的是蓝牙停止了"。

奇怪的是，我可以使用Android的蓝牙终端应用程序从Arduino接收数据。

这是Android的代码：

    package com.example.matt.onresumeapp;
import android.bluetooth.BluetoothSocket;
import android.content.Intent;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.widget.TextView;
import android.os.Handler;
import android.os.Message;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothServerSocket;
import android.widget.Toast;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.lang.String;
import java.util.UUID;
public class ComunicationActivity extends AppCompatActivity {

    TextView copyInfo;
    TextView handlerInfo;
    Handler h;
    BluetoothAdapter btAdapter;
    private String adress;
    private ConnectedThread mConnectedThread;
    private static UUID myUUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
    private BluetoothSocket mmSocket;
    private StringBuilder stBuilder = new StringBuilder();
    final int handlerState = 0;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_comunication);
        copyInfo = (TextView) findViewById(R.id.copyInfo);
        handlerInfo = (TextView) findViewById(R.id.handlerInfo);

        h = new Handler() {
            @Override
            public void handleMessage(Message msg) {
                super.handleMessage(msg);
                if(msg.what == handlerState){
                    String readMessage = (String) msg.obj;
                    stBuilder.append(readMessage);
                    int endOfLine = stBuilder.indexOf("~");

                    if(stBuilder.charAt(0) == '#'){
                        String dataInPrint = stBuilder.substring(1, endOfLine);
                        handlerInfo.setText(dataInPrint);
                    }
                    stBuilder.delete(0, endOfLine);
                }
            }
        };
        btAdapter = BluetoothAdapter.getDefaultAdapter();
    }
    private BluetoothSocket btSocketConnection (BluetoothDevice device) throws IOException{
        return device.createInsecureRfcommSocketToServiceRecord(myUUID);
    }

    @Override
    public void onResume() {
        super.onResume();
        Intent newIntent = getIntent();
        adress = newIntent.getStringExtra("EXTRA_ADRESS");

        BluetoothDevice device = btAdapter.getRemoteDevice(adress);
        try {
            mmSocket = btSocketConnection(device);

        } catch (IOException e) {
            Toast.makeText(getBaseContext(), "Socket's method failed", Toast.LENGTH_LONG).show();
        }
        try {
            mmSocket.connect();
        } catch (IOException e){
            try {
                mmSocket.close();
            } catch (IOException e1)
            {
                Toast.makeText(getBaseContext(), "Socket's connect() method failed", Toast.LENGTH_LONG).show();
            }
        }
        mConnectedThread = new ConnectedThread(mmSocket);
        mConnectedThread.start();

    }

    private class ConnectedThread extends Thread{
        private InputStream mmInStream;
        private OutputStream mmOutStream;
        public ConnectedThread(BluetoothSocket socket){
            mmSocket = socket;
            InputStream tmpIn = null;
            OutputStream tmpOut= null;
            try {
                tmpIn = socket.getInputStream();
                tmpOut = socket.getOutputStream();
            } catch (IOException e){
                Toast.makeText(getBaseContext(), "Error occurred when creating input stream", Toast.LENGTH_LONG).show();
            }
            try {
                tmpOut = socket.getOutputStream();
            } catch (IOException e){

                Toast.makeText(getBaseContext(), "Error occurred when creating output stream", Toast.LENGTH_LONG).show();
            }
            mmInStream = tmpIn;
            mmOutStream = tmpOut;
        }

        public void run() {
            super.run();
            byte[] mmBuffer = new byte[1024];
            int numBytes;
            while (true){
                try{
                    numBytes = mmInStream.read(mmBuffer);
                    String readMessage = new String(mmBuffer, 0, numBytes);
                    h.obtainMessage(handlerState, numBytes, -1, readMessage).sendToTarget();
                } catch (IOException e){
                    Toast.makeText(getBaseContext(), "Input stream was disconnected", Toast.LENGTH_LONG).show();
                    break;
                }
            }
        }
    }
}

我试图在几天内解决这个问题，但没有任何进展...我非常感谢任何帮助。

谢谢！

Answer 1

已解决：

刚将处理程序方法更改为：

 h = new Handler() {
            @Override
            public void handleMessage(Message msg) {
                super.handleMessage(msg);
                if(msg.what == handlerState){
                    byte[] rBuff = (byte[]) msg.obj;
                    String readMessage = new String(rBuff, 0, msg.arg1);
                    handlerInfo.setText(readMessage);
                }
            }
        };