记录蓝牙接收 msg.obj.toString()乱码的问题

@Override
public void onPacketReceived(String address, final byte[] packet)
{
    //Modified
    String readMessage = " "+bytesToHexString(packet, packet.length);
    fmsg += readMessage;

    Log.d(TAG, "PACKET RECV("+address+") : " + new String(packet));
    handler.post(new Runnable() {
    @Override
    public void run() {
    adapter.add("RECV: " + fmsg);
    adapter.notifyDataSetChanged();
    }
    });


    /***  orignal
     *
     Log.d(TAG, "PACKET RECV("+address+") : " + new String(packet));
     handler.post(new Runnable() {
    @Override
    public void run() {
    adapter.add("RECV: " + new String(packet));
    adapter.notifyDataSetChanged();
    }
    });

     */