Alert Message Box in Android

*Show Alart Message Box in Android *

AlertDialog.Builder adb=new AlertDialog.Builder(activity);

    adb.setTitle("Alert?");

    adb.setMessage("Do you want to delete Note.");

    adb.setPositiveButton("Yes", new DialogInterface.OnClickListener() {

           public void onClick(DialogInterface dialog, int id) {

                

            System.out.println("zdfsdfksjDfjkds:hi me hi me  "+holder.id.getText());

          }

    }

      );

    adb.setNegativeButton("No", null);

    adb.show();