NiftyDialogBuilder dialogBuilder=NiftyDialogBuilder.getInstance(this);

dialogBuilder
    .withTitle("Modal Dialog")
    .withMessage("This is a modal Dialog.")
    .show();

dialogBuilder
    .withTitle("Modal Dialog")                                  //.withTitle(null)  no title
    .withTitleColor("#FFFFFF")                                  //def
    .withDividerColor("#11000000")                              //def
    .withMessage("This is a modal Dialog.")                     //.withMessage(null)  no Msg
    .withMessageColor("#FFFFFF")                                //def
    .withIcon(getResources().getDrawable(R.drawable.icon))
    .withDuration(700)                                          //def
    .withEffect(effect)                                         //def Effectstype.Slidetop
    .withButton1Text("OK")                                      //def gone
    .withButton2Text("Cancel")                                  //def gone
    .isCancelableOnTouchOutside(true)                           //def    | isCancelable(true)
    .setCustomView(R.layout.custom_view,v.getContext())         //.setCustomView(View or ResId,context)
    .setButton1Click(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Toast.makeText(v.getContext(), "i'm btn1", Toast.LENGTH_SHORT).show();
                    }
    })
    .setButton2Click(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            Toast.makeText(v.getContext(),"i'm btn2",Toast.LENGTH_SHORT).show();
        }
    })
    .show();