How to display file attachments(documents) in android

I am creating an android application where we should display all the attachments in a page, when user clicks on any of the attachments, we should display the preview of the selected document.

The documents can be an Image, PDF, DOCX etc..can anyone help me on how to do this in android.

I think we can use an Implicit intent for preview of document if we can do using implicit intent please help on how to do it.