How to display offline OpenStreetMap using MapView on Android?

How to display OpenStreetMap offline using MapView on Android? W开发者_如何学运维hat should I do to load a map?

Since OpenStreetMap contain a large amout of data, you need to select a subset of it and probably transform the OSM XML to your own vector format that require less storage. Then you need to render your own vector format on a canvas.