android : installed applications list

I'm trying to list the application which are installed in android device. I've successfully done this using this example. But, in this example they're extending Activity only. Now, i want list the installed applications extends ListActivity. How can i do thi开发者_如何学Pythons? Please modify this example and give here Please. Thanks in Advance.Getting Installed Applications

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Now, i want list the installed applications extends ListActivity. How can i do this?

That is not possible, sorry.