问以编程方式启动蓝牙系绳

EN

String sClassName = "android.bluetooth.BluetoothPan";

class BTPanServiceListener implements BluetoothProfile.ServiceListener {

    private final Context context;

    public BTPanServiceListener(final Context context) {
        this.context = context;
    }

    @Override
    public void onServiceConnected(final int profile,
                                   final BluetoothProfile proxy) {
        Log.e("MyApp", "BTPan proxy connected");
        BluetoothDevice device = BluetoothAdapter.getDefaultAdapter().getRemoteDevice("AA:BB:CC:DD:EE:FF"); //e.g. this line gets the hardware address for the bluetooth device with MAC AA:BB:CC:DD:EE:FF. You can use any BluetoothDevice
        try {
            Method connectMethod = proxy.getClass().getDeclaredMethod("connect", BluetoothDevice.class);
            if(!((Boolean) connectMethod.invoke(proxy, device))){
                Log.e("MyApp", "Unable to start connection");
            }
        } catch (Exception e) {
            Log.e("MyApp", "Unable to reflect android.bluetooth.BluetoothPan", e);
        }
    }

    @Override
    public void onServiceDisconnected(final int profile) {
    }
}

try {

     Class<?> classBluetoothPan = Class.forName(sClassName);

     Constructor<?> ctor = classBluetoothPan.getDeclaredConstructor(Context.class, BluetoothProfile.ServiceListener.class);
     ctor.setAccessible(true);
     Object instance = ctor.newInstance(getApplicationContext(), new BTPanServiceListener(getApplicationContext()));
} catch (Exception e) {
     Log.e("MyApp", "Unable to reflect android.bluetooth.BluetoothPan", e);
}