test Car

package com.example.cartouch;

import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
import android.view.View.OnTouchListener;
import android.widget.TextView;
import android.widget.Toast;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.UUID;


public class MainActivity extends Activity implements OnTouchListener {

    private static final int REQUEST_ENABLE_BT = 1;
    final int ArduinoData = 1;
    final String LOG_TAG = "MyLogs";
    private BluetoothAdapter btAdapter = null;
    private BluetoothSocket btSocket = null;
    private static String MacAddress = "20:16:06:28:19:52";
    private static final UUID MY_UUID = UUID.fromString("00001101-0000-1000-8000-00805F9B34FB");
    private ConnectedThred MyThred = null;
    public TextView point;

    Handler h;
    private StringBuilder sb = new StringBuilder();
    private static final String TAG = "bluetooth2";


    int x;
    int y;
    int xi;
    int yi;
    int xii;
    int yii;
    String sDown;
    String sMove;
    String sUp;
    String sCar;


    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        btAdapter = BluetoothAdapter.getDefaultAdapter();
        point = (TextView) findViewById(R.id.textView);

        if (btAdapter != null){
            if (btAdapter.isEnabled()){
                point.setText("Bluetooth включен. Все отлично.");
            }else
            {
                Intent enableBtIntent = new Intent(BluetoothAdapter.ACTION_REQUEST_ENABLE);
                startActivityForResult(enableBtIntent, REQUEST_ENABLE_BT);
            }

        }else
        {
            MyError("Fatal Error", "Bluetooth ОТСУТСТВУЕТ");
        }


        point = new TextView(this);
        point.setOnTouchListener(this);
        setContentView(point);

        h = new Handler() {
            public void handleMessage(android.os.Message msg) {
                switch (msg.what) {
                    case ArduinoData:
                        byte[] readBuf = (byte[]) msg.obj;
                        String strIncom = new String(readBuf, 0, msg.arg1);
                        sb.append(strIncom);// формируем строку
                        int beginOfLineIndex = sb.indexOf("*");//определяем символы начала строки
                        int endOfLineIndex = sb.indexOf("#");//определяем символы конца строки
                        //Если блок данных соотвествует маске *данные# то выполняем код
                        if ((endOfLineIndex > 0) && (beginOfLineIndex == 0)) {                                            // если встречаем конец строки,
                            String sbprint = sb.substring(beginOfLineIndex+1, endOfLineIndex-3);               // то извлекаем строку
                            point.setText("Данные от Arduino: " + sbprint);

                        }
                        sb.delete(0, sb.length());
                        break;
                }
            };
        };

    }


    @Override
    public boolean onTouch(View v, MotionEvent event) {


        int x = (int) event.getX();
        int y = (int) event.getY();

        switch (event.getAction()) {
            case MotionEvent.ACTION_DOWN: // нажатие
                sDown = "Down: " + x + "," + y;
                sMove = "";
                sUp = "";
                xi = x;
                xii = 0;
                yi = y;
                yii = 0;
                break;
            case MotionEvent.ACTION_MOVE: // движение
                sMove = "Move: " + (x - xi) + "," + (yi - y);
                xii = x - xi;
                yii = y - yi;
                sCar = xii + ":" + yii;
                break;
            case MotionEvent.ACTION_UP: // отпускание
            case MotionEvent.ACTION_CANCEL:
                sMove = "";
                sUp = "Up: " + (x - xi) + "," + (yi - y);
                xii = 0;
                yii = 0;
                sCar = xii + ":" + yii;
                break;
        }
        point.setText(sDown + "\n" + sMove + "\n" + sUp);
        MyThred.sendData("5");
        return true;
    }


    @Override
    public void onResume() {
        super.onResume();
        if (btAdapter != null){
            if (btAdapter.isEnabled()){
                BluetoothDevice device = btAdapter.getRemoteDevice(MacAddress);
                Log.d(LOG_TAG, "***Получили удаленный Device***"+device.getName());

                try {
                    btSocket = device.createRfcommSocketToServiceRecord(MY_UUID);
                    Log.d(LOG_TAG, "...Создали сокет...");
                } catch (IOException e) {
                    MyError("Fatal Error", "В onResume() Не могу создать сокет: " + e.getMessage() + ".");
                }

                btAdapter.cancelDiscovery();
                Log.d(LOG_TAG, "***Отменили поиск других устройств***");

                Log.d(LOG_TAG, "***Соединяемся...***");
                try {
                    btSocket.connect();
                    Log.d(LOG_TAG, "***Соединение успешно установлено***");
                } catch (IOException e) {
                    try {
                        btSocket.close();
                    } catch (IOException e2) {
                        MyError("Fatal Error", "В onResume() не могу закрыть сокет" + e2.getMessage() + ".");
                    }
                }

                MyThred = new ConnectedThred(btSocket);
                MyThred.start();
            }
        }
    }

    @Override
    public void onPause() {
        super.onPause();

        Log.d(LOG_TAG, "...In onPause()...");

        if (btAdapter != null){
            if (btAdapter.isEnabled()){
                if (MyThred.status_OutStream() != null) {
                    MyThred.cancel();
                }
                try     {
                    btSocket.close();
                } catch (IOException e2) {
                    MyError("Fatal Error", "В onPause() Не могу закрыть сокет" + e2.getMessage() + ".");
                }
            }
        }
    }//OnPause

    private void MyError(String title, String message){
        Toast.makeText(getBaseContext(), title + " - " + message, Toast.LENGTH_LONG).show();
        finish();
    }


    //Отдельный поток для передачи данных
    private class ConnectedThred extends Thread{
        private final BluetoothSocket copyBtSocket;
        private final OutputStream OutStream;
        private final InputStream InStream;

        public ConnectedThred(BluetoothSocket socket){
            copyBtSocket = socket;
            OutputStream tmpOut = null;
            InputStream tmpIn = null;
            try{
                tmpOut = socket.getOutputStream();
                tmpIn = socket.getInputStream();
            } catch (IOException e){}

            OutStream = tmpOut;
            InStream = tmpIn;
        }

        public void run()
        {
            btAdapter.cancelDiscovery();
            byte[] buffer = new byte[1024];
            int bytes;

            while(true){
                try{
                    bytes = InStream.read(buffer);
                    h.obtainMessage(ArduinoData, bytes, -1, buffer).sendToTarget();
                }catch(IOException e){break;}

            }

        }

        public void sendData(String message) {
            byte[] msgBuffer = message.getBytes();
            Log.d(LOG_TAG, "***Отправляем данные: " + message + "***"  );

            try {
                OutStream.write(msgBuffer);
            } catch (IOException e) {}
        }

        public void cancel(){
            try {
                copyBtSocket.close();
            }catch(IOException e){}
        }

        public Object status_OutStream(){
            if (OutStream == null){return null;
            }else{return OutStream;}
        }
    }
}