小编Car*_*ine的帖子

我编写了一个返回值为int的函数,在这个函数中我需要弹出一个带有两个按钮的AlertDialog.单击"是"按钮时,函数返回0,"否"按钮返回-1.

public int Func(){
    final AlertDialog d=new AlertDialog.Builder(mContext).setTitle("Warning").setCancelable(false).setMessage
                       (alert)
                       .setPositiveButton("Yes",mListener).setNegativeButton("No",mListener).create();
                       d.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT);
                       d.show();
   if(mWhich.getWhich()==-1)   //the "yes" button was clicked
       return 0;
   else                        //the "no"  button was clicked
       return -1;
}

mWhich是用于记录用户选择的类

private DialogInterface.OnClickListener mListener =
            new DialogInterface.OnClickListener() {

                public void onClick(DialogInterface dialog, int which) {
                    mWhich.setWhich(which);
                             }
            };

现在问题是代码

if(mWhich.getWhich()==-1)
       return 0;
   else
       return -1;

在用户点击是或否按钮之前执行,我该怎么办？