Hello,
I am new to software development, specifically android, so I am unsure
of the best way to provide content updates to my application.

In the application there is a GridView of thumbnails, each thumbnail
is a specific item that will pull data from the database in a new
activity.

My questions are,

If i wanted to add more items to the GridView dynamically (which would
pull the corresponding database data) what would be the best way to go
about it?

I thought about just having the application download the .sql and
process it in android with a reference to the thumbnail image but I'm
not sure how to handle it.

Second Question, if i referenced the thumbnail image in the database
what would be the best way to handle it depending on screen density
(or should i download the updates differently based on each screen
density?)

Thank you.

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