问题描述

Android蓝牙开发，与HC-06单片机通信，

单片机发，android端收，android端代码怎么搜索蓝牙设备并连接成功呢？

解决方案

最简单的方法：
先到android store上下载一个app做测试，比如‘spp蓝牙‘这个APP
上面有搜索，连接的步骤
你的源码来仿照它的写

解决方案二：
android 与 蓝牙模块 hc06通信app 开发要点
安卓手机通过蓝牙与单片机通信
Android 通信--蓝牙

解决方案三：

 package kankan.idea.bluetoolswitch;import java.util.ArrayList;import java.util.List;import android.app.Activity;import android.bluetooth.BluetoothAdapter;import android.bluetooth.BluetoothDevice;import android.content.BroadcastReceiver;import android.content.Context;import android.content.Intent;import android.content.IntentFilter;import android.os.Bundle;import android.util.Log;import android.view.View;import android.view.View.OnClickListener;import android.widget.Button;import android.widget.ImageButton;public class Bluetoolswitch extends Activity implements OnClickListener{    ImageButton kaiguan1 ;    ImageButton kaiguan2 ;    Button lianjielanya;    int kaiguan1flag = 0;    int kaiguan2flag = 0;    BluetoothAdapter btadapter;    List<String> devicesfound = new ArrayList<String>();    @Override    protected void onCreate(Bundle savedInstanceState)     {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_bluetoolswitch);        kaiguan1 = (ImageButton)findViewById(R.id.switch11);        kaiguan2 = (ImageButton)findViewById(R.id.switch22);        lianjielanya = (Button)findViewById(R.id.connectbluetools);        kaiguan1.setOnClickListener(Bluetoolswitch.this);        kaiguan2.setOnClickListener(Bluetoolswitch.this);        lianjielanya.setOnClickListener(Bluetoolswitch.this);        // 注册Receiver来获取蓝牙设备相关的结果        IntentFilter intent = new IntentFilter();        intent.addAction(BluetoothDevice.ACTION_FOUND);// 用BroadcastReceiver来取得搜索结果        intent.addAction(BluetoothDevice.ACTION_BOND_STATE_CHANGED);        intent.addAction(BluetoothAdapter.ACTION_SCAN_MODE_CHANGED);        intent.addAction(BluetoothAdapter.ACTION_STATE_CHANGED);        registerReceiver(searchdevices intent);    }    boolean openbluetools()    {        btadapter = BluetoothAdapter.getDefaultAdapter();// 初始化本机蓝牙功能        if(null == btadapter)        {            return false;//没有蓝牙设备        }        if((BluetoothAdapter.STATE_OFF == btadapter.getState()) ||            (BluetoothAdapter.STATE_TURNING_OFF == btadapter.getState()) ||           (BluetoothAdapter.STATE_TURNING_ON == btadapter.getState()))        {            if(btadapter.enable())            {                return true;            }            else            {                return false;            }        }        else        {            return true;        }    }    BroadcastReceiver searchdevices = new BroadcastReceiver()     {        public void onReceive(Context context Intent intent)         {            String action = intent.getAction();            Bundle b = intent.getExtras();            Object[] lstName = b.keySet().toArray();            // 显示所有收到的消息及其细节            for (int i = 0; i < lstName.length; i++)             {                String keyName = lstName[i].toString();                Log.v(""test2""keyName +"":""+ String.valueOf(b.get(keyName)));            }            //搜索设备时，取得设备的MAC地址            if (BluetoothDevice.ACTION_FOUND.equals(action))             {                BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);                String str= device.getName() + ""|"" + device.getAddress();                if (-1 == devicesfound.indexOf(str))// 防止重复添加                    devicesfound.add(str); // 获取设备名称和mac地址            }        }    };    @Override    public void onClick(View v)     {        // TODO Auto-generated method stub        switch(v.getId())        {            case R.id.connectbluetools:            {                if(true == openbluetools())                {                    Log.v(""test""打开设备成功""+""本机蓝牙地址："" + btadapter.getAddress());                }                else                {                    Log.v(""test""打开设备失败"");                }            }break;            case R.id.switch11:            {                if(0 == kaiguan1flag)                {                    Log.v(""test""一路开"");                    kaiguan1flag = 1;                    kaiguan1.setImageDrawable(getResources().getDrawable(R.drawable.switchon1));                    }                else                {                    Log.v(""test""一路关"");                    System.out.print(""asdfasdfsafas"");                    kaiguan1flag = 0;                    kaiguan1.setImageDrawable(getResources().getDrawable(R.drawable.switchoff1));                   }            }break;            case R.id.switch22:            {                if(0 == kaiguan2flag)                {                    Log.v(""test""二路开"");                    kaiguan2flag = 1;                    kaiguan2.setImageDrawable(getResources().getDrawable(R.drawable.switchon1));                    }                else                {                    Log.v(""test""二路关"");                    kaiguan2flag = 0;                    kaiguan2.setImageDrawable(getResources().getDrawable(R.drawable.switchoff1));                   }            }break;            default:            {            }break;        }    }}