[From Product Manager @ Google] You can fix this issue by downloading and copying the google-services.json file for your Android app by following the steps below: Select your app/project name and Android packagename from this link and click Continue to Choose and configure services. Click Continue to Generate Configuration files. Download google-services.json and copy the … Read more
At the moment, referencing the Google Android Map API v2 you can’t run Google Maps v2 on the Android emulator; you must use a device for your tests.
You can put tiles into assets folder (if it is acceptable for the app size) or download them all on first start and put them into device storage (SD card). You can implement TileProvider like this: public class CustomMapTileProvider implements TileProvider { private static final int TILE_WIDTH = 256; private static final int TILE_HEIGHT = … Read more