Hi,
Quite often when I launch an Activity using startActivityForResult I
need to store some context data that will be needed in my
onActivityResult implementation. (e.g., a reference to some in memory
data that will be modified after the child activity finishes). The data
in question is transient by nature so it's not already stored in a db
somewhere.
Up until now I was simply storing data in a field of the parent
activity, however this isn't reliable as this wont survive a restart of
the parent activity (e.g., when a config change happens).
In some of my code I've handled this by passing a PendingIntent (created
using Activity#createPrendingResult) to the child activity where I
stored all the context data in the intent extras. This works for my own
code, but is not generally usable since most of the platform provided
activities don't support this way of working.
The only other alternative I've been able to come up with is storing the
data in a database or making sure I store the fields when
Activity#onSaveInstanceState.
All the options I listed above feel like more work than I would like to
do for something that seems rather common. Does anyone have a simpler
solution to this problem or is there a recommended best practice that I
can follow?
Regards,
Pepijn
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