[android-developers] Re: calling finish() in onResume() a bad idea?

You definitely have to guarantee that any AudioTrack instances are
done playing (stopped) AND released BEFORE you call finish().
Otherwise you will get Null exceptions on your app closing, just as
you found.

So basically if you have another thread you have to put some kind of
flag that waits for the AudioTrack to actually clear and release
before your app exits.

-niko

On Sep 9, 11:33 am, OldSkoolMark <m...@sublimeslime.com> wrote:
> I did a little more homework:
>
> http://stackoverflow.com/questions/3483182/activity-finish-method-wai...http://stackoverflow.com/questions/2590947/about-finish-in-android
>
> This makes me feel better about calling finish() and then
> startActivity(). I may take the refactoring advice,
> but in the meantime, I've isolated the problem to a thread that uses
> AudioTrack to play short samples. I've arranged for it not to be
> running
> when the UI is being reset and all is good.
>
> On Sep 8, 1:09 pm, Mark Murphy <mmur...@commonsware.com> wrote:
>
>
>
> > On Wed, Sep 8, 2010 at 3:44 PM, OldSkoolMark <m...@sublimeslime.com> wrote:
> > > Alternative design approaches would also be greatly appreciated.
>
> > Step #1: Refactor such that your UI initialization is not in
> > onCreate(), but is in some other private method (referred to here as
> > setupViews()).
>
> > Step #2: In onResume(), on a change in layout, call setupViews().
>
> > Step #3: There is no step #3.
>
> > In other words, why destroy and recreate the activity just to load in
> > a different layout? Heck, developers grumble constantly about Android
> > doing that by default for orientation changes...
>
> > --
> > Mark Murphy (a Commons Guy)http://commonsware.com|http://github.com/commonsguyhttp://commonsware.com/blog|http://twitter.com/commonsguy
>
> > Android Training in London:http://skillsmatter.com/go/os-mobile-server

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