> 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
> hierarchys 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 its not
> there anymore. For example, I cant 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
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