长按有toast

![image](https://user-images.githubusercontent.com/15795966/142999226-fb9a36a9-0f08-4863-adca-705736d4b8fa.png)
![image](https://user-images.githubusercontent.com/15795966/142999285-0bc7f314-792d-495e-9971-78ddae83f5af.png)
![image](https://user-images.githubusercontent.com/15795966/142999306-a20ceae5-9d88-4730-8d9f-1503fcd63f4f.png)
如图  怎么取消这个长按的toast