随時追記型メモ。 MapViewの配置 private GoogleMap mMap; public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mMap = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.my_map)).getMap(); } <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:padding="10dp" android:layout_width="match_parent" android