Only if you’re going to be storing data n a database . Not all apps do – many don’t store much information at all, and they store it in the app or in a text file. But if you want to use a database, yes – you’ll have to learn how databases work in order to use them.
Read moreWhich database are used with an app?
Since Android was created, we app developers have been using SQLite to store our local data. Sometimes directly with SQL statements, sometimes using an Object-Relational Mapper (ORM) as an abstraction layer, but either way, we’ve been using SQLite at the end of the day.
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