Thanks Mark, it will work. I was considering this approach. I was
hesitant for it establishes a dependency among the hierarchy
activities. I thought I might have a need to reuse the activities in
other scenarios in which I might have to select the artists/albums/
songs only without drilling down the hierarchy. I will go with your
suggestion thought.
Roman
On Jan 6, 10:05 am, "Mark Murphy" <mmur...@commonsware.com> wrote:
> > I am using ListActivities to drill down into a hierarchy; artist,
> > album and song. One activity per hierarchy. So, from the main
> > activity I start the ArtistActivity with the StartActivityForResult
> > method and when the an artist is selected I call the
>
> > protected void onListItemClick(ListView l, View v, int position, long
> > id) {
>
> > setResult(Activity.RESULT_OK, results);
> > finish();
>
> > }
>
> > to return the results. Than the main activity receives results from
> > the ArtistsActivity in the onActivityResult method and starts the next
> > hierarchy s activity, AlbumActivity, in the same way as the previous
> > activity, on so on. It works fine except that when calling finish
> > method the hierarchy activity is removed from the stack. So, it makes
> > it impossible to backtrack to the previous hierarchy since it s not
> > there anymore. For example, I can t backtrack from AlbumActivity to
> > the ArtistsActivity since it has been removed from the stack. My
> > question is; is there any way to leave the hierarchy activities on the
> > stack?
>
> Instead of calling setResult()/finish() in a list item click,
> startActivityForResult() the next level down in the hierarchy. Only the
> leaf should call setResult()/finish() in a list item click. All branches
> of the hierarchy should call setResult()/finish() in their
> onActivityResult(), forwarding the leaf's result Intent along.
>
> --
> Mark Murphy (a Commons Guy)http://commonsware.com
> Android App Developer Books:http://commonsware.com/books.html- Hide quoted
> text -
>
> - Show quoted text -
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