How to add a map to the app?

Question

Android

In an application written in React Native, you need to use an offline map, which must be embedded in the apk itself, so as not to download first.
Installed and using.
Are there suitable map libraries?

Answer 1

Here's a big thread about your question.
https://github.com/react-native-community/react-na...

Answer 2

https://wiki.openstreetmap.org/wiki/Mapsforge
offline vector maps