at a guess, market upgrades work by replacing the APK. the
application then handles upgrade issues when it first launches after
the replacement. as you've seen, the uninstall/install cycle will
wipe out preferences, not really what you want.
i simulate upgrades by doing adb reinstall. i see that in some SDKs
reinstall has been deprecated, so maybe install now does a reinstall
by default.
either way, do a reinstall over the old version. that most accurately
simulates an in-the-field upgrade.
AFAICT!
i'm flattered but no, thanks :-)
Any suggestions on how to test upgrade between versions? I need to
be sure my application can handle being upgraded from any version
released on market.
Currently I'm doing adb shell pm uninstall -k to remove the old
program, and run adb install with the new version. This method sucks
because it's a lot of manual work. On top of that I'm not even 100%
certain this method acts the same way market does upgrades.
I use Sqlite and have unit tests which covers upgrading from any
database versions, so I'm sure this is covered. But is there
anything else I need to worry about?
I experienced loss of shared preferences when doing an upgrade this
way. That is is very serious for my app as I keep a flag in shared
preferences for knowing if this is a clean installed phone or not.
If it's clean it starts loading default data into the app. This
creates duplicates and a mess.
All tips and suggestions will make me wanna marry you,
Finn
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