实现android手机蓝牙连接demo

package math.blue; import java.util.ArrayList; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Set; import math.bean.BlueDevice; import android.app.ListActivity; 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.view.View; import android.widget.ListView; import android.widget.SimpleAdapter; import android.widget.Toast; public class BlueListView extends ListActivity{ private BluetoothAdapter blueadapter=null; ArrayList<HashMap<String,String>> list = new ArrayList<HashMap<String,String>>(); @Override protected void onCreate(Bundle savedInstanceState) { // TODO Auto-generated method stub super.onCreate(savedInstanceState); setContentView(R.layout.main); blueadapter = BluetoothAdapter.getDefaultAdapter(); //判断本地蓝牙是否启动 if(blueadapter != null){ Toast.makeText(BlueListView.this, "正在扫描", Toast.LENGTH_LONG).show(); if (!blueadapter.isEnabled()) { Intent enableBItent = new Intent( BluetoothAdapter.ACTION_REQUEST_ENABLE); startActivity(enableBItent); } //设置本地蓝牙可见状态 Intent discover = new Intent(BluetoothAdapter.ACTION_REQUEST_DISCOVERABLE); discover.putExtra(BluetoothAdapter.EXTRA_DISCOVERABLE_DURATION, 300); startActivity(discover); System.out.println("蓝牙搜索启动"); Set<BluetoothDevice> devices = blueadapter.getBondedDevices(); if(devices.size() > 0){ for (Iterator iterator = devices.iterator(); iterator.hasNext();) { BluetoothDevice bluetoothDevice = (BluetoothDevice) iterator .next(); HashMap<String,String> map = new HashMap<String,String>(); map.put("bluename", bluetoothDevice.getName()); map.put("mac", bluetoothDevice.getAddress()); list.add(map); } } //启动蓝牙搜索 blueadapter.startDiscovery(); //注册蓝牙搜索监听器 BluetoothReceiver bluereceiver = new BluetoothReceiver(); // IntentFilter discoveryFilter = new IntentFilter(BluetoothAdapter.ACTION_DISCOVERY_FINISHED); // registerReceiver(bluereceiver, discoveryFilter); IntentFilter intentFilter = new IntentFilter(BluetoothDevice.ACTION_FOUND); registerReceiver(bluereceiver, intentFilter); SimpleAdapter listAdapter = new SimpleAdapter(this,list,R.layout.user,new String[]{"bluename"},new int[]{R.id.user_name}); setListAdapter(listAdapter); }else { Toast.makeText(BlueListView.this, "此设备无蓝牙装置", Toast.LENGTH_LONG).show(); } } class BluetoothReceiver extends BroadcastReceiver{ @Override public void onReceive(Context context, Intent intent) { // TODO Auto-generated method stub System.out.println("开始发现远程设备"); String action = intent.getAction(); if(BluetoothDevice.ACTION_FOUND.equals(action)){ BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE); System.out.println("搜索到的远程设备为:"+device); if(device != null){ HashMap<String,String> map = new HashMap<String,String>(); map.put("bluename", device.getName()); map.put("mac", device.getAddress()); list.add(map); System.out.println("device------>"+device.getName()+"address------>"+device.getAddress()); } } System.out.println("远程设备搜索结束"); } } @Override protected void onListItemClick(ListView l, View v, int position, long id) { BlueDevice bd = new BlueDevice(); bd.setBluename(list.get(position).get("bluename")); bd.setMac(list.get(position).get("mac")); Intent intent = new Intent(); intent.putExtra("blue", bd); intent.setClass(BlueListView.this, BlueActivity.class); startActivity(intent); } }