Android -蓝牙

package com.xuben.bluetoothtest1;


import android.R;
import android.app.Activity;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.DialogInterface.OnClickListener;
import android.os.Bundle;
import java.util.Iterator;
import java.util.Set;

import android.widget.Button;

public class Bluetooth_test1Activity extends Activity {
    /** Called when the activity is first created. */
    private Button button = null;
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        
        button = (Button)findViewById(R.id.scanButtonId);
        button.setOnClickListener(new ButtonListener());
    }
    
    private class ButtonListener implements OnClickListener{
        public void onclick(View v){
            BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
            if(adapter != null){
                System.out.println("Has bluetooth device");
                if(adapter.isEnabled()){
                    Intent intent = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE);
                    startActivity(intent);
                }
                Set<BluetoothDevice> devices = adapter.getBondedDevices();
                if(devices.size() > 0){
                    for(Iterator iterator = devices.iterator(); iterator.hasNext();){
                        BluetoothDevice bluetoothDevice = (BluetoothDevice)iterator.next();
                        System.out.println(bluetoothDevice.getAddress());
                    }            
                }
            }
            else{
                System.out.println("No bluetooth device");
            }
        }

        @Override
        public void onClick(DialogInterface dialog, int which) {
            // TODO Auto-generated method stub
            
        }
        
    }
}