On Tue, Sep 20, 2011 at 12:47 PM, Hrishi <[email protected]>wrote:

>   I want to develope an android application which extends
> functionality of built-in application provided by android os. How to
> develope such application ??
>

Modify the firmware. That is outside the scope of the list.


>        Is there any way which gives me notification when click on
> built-in app.
>

No.


> because i want to authenticate built-in message app,
> after click on message app i want to launch my authentication activity
> for some period then resume on message app ?? Is this possible ..
>

If you modify the firmware, probably.

-------------------------------------------------------------------------------------------------
TreKing <http://sites.google.com/site/rezmobileapps/treking> - Chicago
transit tracking app for Android-powered devices

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