java - Android insert text to xhtml file on the fly -

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i create fixed template application store on assets folder (template.xhtml) , want use file after user finish edit data , need replace data in body tag data on fly. every time want use file copy file assets folder internal folder in application. xhtml file this: (example)

<html>    <head>   </head>   <body>   ~dedication~   </body> </html>

what want replace "~dedication~" string after user finish edit file. i'd love know how analyze file , how replace text. thank can help. :)


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