نمونه کد ایجاد الرت دیالوگ

   public void open(View view){

      AlertDialog.Builder alertDialogBuilder = new AlertDialog.Builder(this);

      alertDialogBuilder.setMessage("Are you sure,

         You wanted to make decision");

      alertDialogBuilder.setPositiveButton("yes",

         new DialogInterface.OnClickListener() {

         @Override

         public void onClick(DialogInterface arg0, int arg1) {

            Toast.makeText(MainActivity.this,"You clicked yes

               button",Toast.LENGTH_LONG).show();

         }

      });

      alertDialogBuilder.setNegativeButton("No",new DialogInterface.OnClickListener() {

         Override

         public void onClick(DialogInterface dialog, int which) {

            finish();

         }

; (    {

   ;( )  AlertDialog alertDialog = alertDialogBuilder.create

      alertDialog.show();

{

{