mylayou= new RelativeLayout(Main.this);
mylayou.setLayoutParams(new LayoutParams(LayoutParams.MATCH_PARENT,LayoutParams.MATCH_PARENT));
mylayou.setX(0.0f);
mylayou.setY(0.0f);
mylayou.setId(10);;
mylayou.getLayoutParams().width=global_val.total_width;
mylayou.getLayoutParams().height=global_val.total_height;

LayoutInflater inflater = (LayoutInflater)Main.this.getSystemService(LAYOUT_INFLATER_SERVICE);

View alertView = inflater.inflate(10, null);