... xmlns :android= ”http://schemas .android. com/apk/res /android android: orientation=”vertical” android: layout_width=”fi ll_parent” android: layout_height=”fi ll_parent”> <com.google .android. maps.MapView android: id=”@+id/map_view” android: layout_width=”fi ... an android: id attribute and a android: apiKey attribute that contains your Android Maps API key.<?xml version=”1.0” encoding=”utf-8”?><LinearLayout xmlns :android= ”http://schemas .android. com/apk/res /android ... onServiceConnected handler. Android applications do not (normally) share memory, but in some cases, your application may want to interact with (and bind to) Services running in different application processes....