android message 传递bundle

发送端：

 Message msg = new Message();
                Bundle bundle = new Bundle();

                Player player = new Player(UserName,UserPass);
                bundle.putParcelable("person",player);

                msg.setData(bundle);
                msg.what=LoginMainPage.SIGN_SUCCESS_BACK;
                LoginMainPage.mhandler.sendMessage(msg);
                finish();

接受端：

    public static Player callback_player;
    public static Handler mhandler = new Handler(){
        @Override
        public void handleMessage(@NonNull Message msg) {
            if (SIGN_SUCCESS_BACK == msg.what) {
                callback_player = msg.getData().getParcelable("person");
            }
        }
    };

    @Override
    protected void onResume() {
        super.onResume();
        System.out.println("onResume!");
        if(callback_player !=null){
        Toast.makeText(this,"Handler传递数据："+callback_player.user_name,Toast.LENGTH_LONG).show();
    }
    }