You can do something very simple: when your Activity is killed to be
restarted, you will get a non-null Bundle instance in onCreate().
Start B only when the Bundle is null.
(I also find it weird that you start a sub-activity from onCreate(),
it is a rather peculiar flow.)
On Sun, Nov 9, 2008 at 11:36 AM, qvark
<[EMAIL PROTECTED]> wrote:
>
> Hi,
>
> I have an activity A that the first thing it does is launching a
> subactivity B to get a result. So, in the onCreate() method of A, I
> have something like this:
>
> Intent intentB= new Intent(this, B.class);
> startActivityForResult(intentB, B_RC);
>
> This usually works fine, but if I change the orientation when I'm
> inside activity B, then when I close it activity A is recreated, so B
> is launched again.
>
> I tried modifying the invocation to B testing if a result has not been
> returned previously:
>
> if (!resultFromB) {
> Intent intentB= new Intent(this, B.class);
> startActivityForResult(intentB, B_RC);
> }
>
> protected void onActivityResult(int requestCode, int resultCode,
> Intent data) {
> if (requestCode == B_RC)
> resultFromB = true;
> }
>
> But it doesn't work because the activity A is created again BEFORE the
> onActivityResult method is called.
>
> I have seen something similar in the API demos (RedirectMain.java and
> RedirectGetter.java) and they solve it passing the result with a
> SharedPreferences object, instead of using the standard mechanisms.
> This seems to avoid the problem but I don't like it very much....
>
> Any of you have found a better solution?
>
> Thanks,
>
> Jose Luis.
> >
>
--
Romain Guy
www.curious-creature.org
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