Forwarding activity result to parent, with singleTop launch mode

Posted by Joe on Stack Overflow See other posts from Stack Overflow or by Joe
Published on 2010-06-01T16:00:34Z Indexed on 2010/06/01 16:03 UTC
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I have two activities: a MainListActivity, and a DetailViewActivity. DetailViewActivity is set with android:launchMode="singleTop".

When clicking an item in the "main list" activity, it launches the "detail view" activity via:

startActivityForResult(detailIntent, REQUEST_CODE_DETAIL);

If I then call setResult(RESULT_OK, resultData); and finish(); from within the Detail activity, that resultData is received by the "main list" activity's onActivityResult(..) method correctly.

However, if I implement a "see previous"/"see next" type of navigation within the Detail activity, and implement it using singleTop, that result no longer gets sent back to the initial activity:

Intent nextItemIntent = this.createIntent(nextId);
nextItemIntent.setFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT);
startActivity(nextItemIntent);
// at this point, my DetailActivity's onNewIntent() method is called, and the new data is loaded properly

But from here, when I call setResult(..) and finish(), my MainList activity never receives the new/updated result.

Anyone know what I'm doing wrong?

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