Thursday, September 8, 2011

Re: [android-developers] ViewFlipper with arbitrary number of Views

On Thu, Sep 8, 2011 at 3:45 PM, Pinheiro <rui.c.pinheiro@gmail.com> wrote:
> I'm developing a simple photo gallery application that pulls files
> from the Net and uses a ViewFlipper to change Views.
> Since I don't know how many Views the ViewFlipper will have, I have to
> add all the views in code and not in XML.

Consider using AdapterViewFlipper on Honeycomb.

> My question is: are all the Views of the ViewFlipper loaded in RAM?

Yes.

> If
> I use, fo instance, a gallery with 100 or even 1000 photos with
> 320x480, will I run the risk of running out of memory or is Android
> smart enough to and fetch and drop Views from memory as needed?

You will run out of heap space.

> The alternative is the use a ViewFlipper with just 3 views (current,
> previous and next) and load photos as needed but it is a cumbersome
> process.

Hopefully, later this year, AdapterViewFlipper will hit the AOSP
repository, and we can look to try it out on earlier versions of
Android.

--
Mark Murphy (a Commons Guy)
http://commonsware.com | http://github.com/commonsguy
http://commonsware.com/blog | http://twitter.com/commonsguy

Android Training in NYC: http://marakana.com/training/android/

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