How to cache/download google map v2 tile programmatically?

android google-maps-api-2 osmdroid offline-caching google-maps-engine

According this 10.1.3(b) you can do it temporally on mobile device.

This project implement it, I can't provide particular example but you can dig in into it coz it open-source.

android google-maps-api-2 osmdroid offline-caching google-maps-engine

From this link I understand that you must have licence for what you want. At the bottom of the page says

You can license Google Maps as an embedded feature of your stand-alone software or device

Google provides you a lot of free services, but most of all have a limit and after that limit you must pay that service.

CodeHunter