Understanding the Mapping Package

As we mentioned, the mapping APIs comprise one of the components of Android's location-based services. The mapping package contains everything you'll need to display a map on the screen, handle user interaction with the map (such as zooming), display custom data on top of the map, and so on. The first step to working with this package is to display a map. To do that, you'll use the MapView view class. Using this class, however, requires some prep work. Specifically, before you can use the MapView, you'll need to get a map-api key from Google. The map-api key enables Android to interact with Google Maps services to obtain map data. Here's how to obtain a map-api key.

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