Can I cancel previous Toast when I want to show an other Toast?

Question

In my app, I construct a calendar widget for my activity, when I scroll it to previous or next month, I let it make a toast and show it.

The question is, the toast n

Answer 1

public static Toast  sToast=null;

// create Toast object;

public void showToast(String msg)

    {

    //here is checking whether toast object is null or not;if not null gonna cancel the toast that is showing in phone window and make it null;  

    if(sToast!=null)
    {

      sToast.cancel;

    sToast=null;
    }

    //if toast object is null,gonna create new instance and make it shown on phone window.

    if(sToast==null)
    {

        sToast=Toast.makeText(currentActivity.this,msg,Duration);

        sToast.setGravity();

        sToast.show();

    }

}