蓝牙Activity

package com.mypeam.cjwddz.mpeam;

import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothSocket;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.Bundle;

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

/**
 * Created by cjwddz on 2016/8/21.
 */
public abstract class BleActivity extends Activity{

    public static BluetoothAdapter bleadt =BluetoothAdapter.getDefaultAdapter（）;
    private static final UUID PRIVATE_UUID = UUID.fromString（“00001101-0000-1000-8000-00805F9B34FB“）;
    private static BluetoothSocket socket=null;
    private static InputStream in=null;
    private static OutputStream out=null;

    BroadcastReceiver blebroadcast=new BroadcastReceiver（） {
        @Override
        public void onReceive（Context context Intent intent） {
            switch （intent.getAction（））{
                case BluetoothAdapter.ACTION_DISCOVERY_FINISHED:
                    finishSearch（）;
                    break;
                case BluetoothDevice.ACTION_ACL_CONNECTED:
                   connectedSuccess（）;
                    break;
                case BluetoothDevice.ACTION_ACL_DISCONNECTED:
                    lostconnect（）;
                    break;
                case BluetoothDevice.ACTION_FOUND:
                    BluetoothDevice device = intent.getParcelableExtra（BluetoothDevice.EXTRA_DEVICE）;
                    deviceFound（device）;
                    break;
            }
        }
    };
    @Override
    protected void onCreate（Bundle savedInstanceState） {
        super.onCreate（savedInstanceState）;
        bleadt =BluetoothAdapter.getDefaultAdapter（）;
        IntentFilter filter=new IntentFilter（）;
        filter.addAction（BluetoothAdapter.ACTION_DISCOVERY_FINISHED）;
        filter.addAction（BluetoothDevice.ACTION_FOUND）;
        filter.addAction（BluetoothDevice.ACTION_ACL_CONNECTED）;
        filter.addAction（BluetoothDevice.ACTION_ACL_DISCONNECTED）;
        registerReceiver（blebroadcastfilter）;

        if（islinking（））
            reciveThread（）;
    }

    @Override
    protected void onDestroy（） {
        unregisterReceiver（blebroadcast）;
        close（）;
        super.onDestroy（）;
    }

    public abstract void finishSearch（）;
    public abstract void connectedSuccess（）;
    public abstract void lostconnect（）;
    public abstract void deviceFound（BluetoothDevice device）;
    public abstract void connectFailed（）;
    public abstract void bleMsg（byte[] msg）;


    //打开蓝牙
    public void enableBle（boolean force）
    {
        if（!bleadt.isEnabled（））
        {
            if（force）
                bleadt.enable（）;
            else
            {
                Intent enabler = new I