找考题网-背景图
多项选择题

下面哪条语句可以构造正确的对话框()

A.AlertDialog dialog=new AlertDialog(context)
B.AlertDialog.Builderbuilder=new AlertDialog.Builder(context)
C.ProgressDialog dialog=new ProgressDialog(context)
D.ProgressDialog.Builderbuilder=new ProgressDialog.Builder(context)