installation - Does android:installLocation in manifest affect updates as well as fresh installs -

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i have 2 questions:

1 . "android:installlocation" tag in android manifest affect updates fresh installs?

i have published app on market no "android:installlocation" @ all, thinking of adding 1 of following manifest:

android:installlocation="auto" or android:installlocation="preferexternal"

could affect users update app? app transferred external storage?

my second question follows on assuming answer "yes".

2 . if app moved during update, data associated app affected? e.g. databases or shared preference files.

the documentation says "the .apk file saved on external storage, private user data, databases, optimized .dex files, , extracted native code saved on internal device memory."

but worried instead of normal update, system may perform full uninstall/install cycle wipe data. unacceptable in situation.

i'm sorry cannot answer question myself through experimentation don't have access devices have external storage. has done above , can confirm result, 1 way or another.

extra info: minsdk = 10 targetsdk = 17

thanks help:

tim

to answer first question. yes. affect updates existing users.

but worried instead of normal update, system may perform full uninstall/install cycle wipe data. unacceptable in situation.

the time wold happen if changed signing key. key identiifies app unique on google play.

seriously have nothing worry far concerned.

your data stay on internal storage. important security.

problems occur if store data on sd card , app on internal storage. have account fact data might not available. say. scenario. don't have worry.


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