原文链接： https://blog.csdn.net/jian11058/article/details/90407568

参考网址：https://blog.csdn.net/jian11058/article/details/90407568

https://blog.csdn.net/gh8609123/article/details/66969006

private void initBlueTooth() {        BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter();        Set pairedDevices = mBluetoothAdapter.getBondedDevices();        if (pairedDevices.size() > 0) {            for (BluetoothDevice device : pairedDevices) {                String str = device.getName() + "|" + device.getAddress();                System.out.println("BlueTooth已配对的设备:"+str);            }        }        if (!mBluetoothAdapter.isDiscovering()) {            //搜索蓝牙设备            mBluetoothAdapter.startDiscovery();        }    // 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(BluetoothAdapter.ACTION_DISCOVERY_STARTED);        intent.addAction(BluetoothAdapter.ACTION_DISCOVERY_FINISHED);        registerReceiver(searchDevices, intent);}private BroadcastReceiver searchDevices = new BroadcastReceiver() {        public void onReceive(Context context, Intent intent) {            String action = intent.getAction();            if (action.equals(BluetoothDevice.ACTION_FOUND)) { //found device                BluetoothDevice device = intent                        .getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);                String str = device.getName() + "|" + device.getAddress();                System.out.println("BlueTooth搜索到的设备:"+str);                List list = new ArrayList();                //如果List中没有str元素则返回-1                if (list.indexOf(str) == -1)// 防止重复添加                    list.add(str); // 获取设备名称和mac地址            } else if (action.equals(BluetoothAdapter.ACTION_DISCOVERY_STARTED)) {                Toast.makeText(getBaseContext(), "正在扫描", Toast.LENGTH_SHORT).show();            } else if (action                    .equals(BluetoothAdapter.ACTION_DISCOVERY_FINISHED)) {                Toast.makeText(getBaseContext(), "扫描完成，点击列表中的设备来尝试连接", Toast.LENGTH_SHORT).show();            }        }    };@Overrideprotected void onDestroy() {  super.onDestroy();  unregisterReceiver(searchDevices);}

Android中蓝牙设备搜索

参考网址：https://blog.csdn.net/jian11058/article/details/90407568

https://blog.csdn.net/gh8609123/article/details/66969006

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