Android: what is the best way to store JSON data offline for the app in android?

Question

I want to implement an app, that will show the route number, the rider has boarded in google map. So to find the route number I need some information about the routes, which are

Answer 1

You store abitrary files that you like to package with your app in the assets folder

https://developer.android.com/tools/projects/index.html

main/assets/

This is empty. You can use it to store raw asset files. Files that you save here are compiled into an .apk file as-is, and the original filename is preserved. You can navigate this directory in the same way as a typical file system using URIs and read files as a stream of bytes using the AssetManager. For example, this is a good location for textures and game data.

See this question on how to read from assets.