每次生成实例标题不同的bimaps？

i need the generated instance name to be different every thime eg blocktitle1, blocktitle2, blocktitle3 and so on. I have put some code to change the string variable "title" but just putting the word "Title" where im making a new bitmap will make the instance called "Title" not eg "blocktitle2".i need the generated instance name to be differ