[LazzyBoy]

at OnDialogResponse

Код:

if(dialogid == dialogid && response == 1)
    {
     if(inputtext[0] == '1')
       {
          // do what you want
       }
     else if(inputtext[0] == '2')
      {
        // do what you want
       }
    return 1;
    }

Make sure the dialog style is DIALOG_STYLE_INPUT