How can I display a dialog box for making a choice before a CALL is processed in android?

Posted by jsight on Stack Overflow See other posts from Stack Overflow or by jsight
Published on 2010-05-30T01:29:01Z Indexed on 2010/05/30 1:32 UTC
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java

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android

I would like to intercept outgoing calls and pass them to a VOIP application. I see that the Google Voice application has a feature for displaying a question before each call is actually initiated. It provides the user with the choice:

Initiate call via Google Voice
Initiate call via standard call

I would like a way to do something similar with my application (so that not all calls have to be routed through it). At the moment, I can intercept CALL events via a BroadcastReceiver, however, these are not allowed to open dialogs (thus making it possible to display the choice).

What is the best way of achieving this goal?

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