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Editorial Team
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Asked: 2026-05-26T15:27:58+00:00

I have the following scenario: I am parsing a JSON Response from a server

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I have the following scenario: I am parsing a JSON Response from a server into a sqlite database and then I am using the database and datamodels for querying, filtering, …

A colleague of mine, an iOS developer, says, that he doesn’t do JSON parsing into datamodels and persistence into database anymore. He just takes the dictionaries, makes them app-wide available and for persistence saves them into a binary file.

Now I would like to know, does anybody do it the same way on Android? Will it be a problem to have say 1000 HashMap-Objects in the App (each having about 10 other Objects (Strings))? Seems quite much to me, will it drop my app performance? But why does it work well on iOS?

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  1. Editorial Team

    We do both in different projects. One project that we keep the data in json has a lot of different fields and some tree structure, so storing it to a DB would be a lot of busy work. However, we have run into memory issues because of the size.

    To make your data life easier, and to have a rough parallel to CoreData, take a look at http://ormlite.com/. Its an orm tool that works with Android/Sqlite. I did the initial Android port and use it in pretty much every project I do. If you have a lot of data and only access small parts, database is potentially better.

    1000 objects wouldn’t really kill you either way, but its project specific and hard to say. I don’t think keeping Json in memory is going to be any better on either platform, however. At least not orders of magnitude.

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