Satya Komatineni wrote:
> Is it necessary for an activity to be in manifest.xml for that to be
> invoked by its explicit component name?

Yes, but...

> And also what are the minimal intent filters that are needed?

No intent filters are needed for an activity that is "to be invoked by 
its explicit component name".

> What I noticed is the following:
> 
> 1. The activity has to be in the manifest.xml
> 2. It doesn't seem to need any additional filters

Correct.

Intent filters are only needed if you intend for your activity to 
respond to an intent, whether that be the LAUNCHER intent (so it shows 
up in the launcher), an intent representing an action to be performed 
against a piece of content you are providing, etc.

If you don't need any of that, and you just want to start the activity 
by name, you do not need intent filters.

-- 
Mark Murphy (a Commons Guy)
http://commonsware.com
_The Busy Coder's Guide to Android Development_ Version 1.4 Published!

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