Showing .rtf , .txt or .pdf files in web view of android?

i have three different kind of files ,

1. Document file
2. text file
3. pdf file .

while clicking button i need to render those file in webview of android, is it possible or not.

If any one know the solution means help me out.

Note: i need load those files from as开发者_Go百科set folder.

Thanks.

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is it possible or not.

You can display a text file in a WebView via the text/plain MIME type. WebView cannot render PDF. I have no idea what you think a "document file" is.