我從https://github.com/googlemaps/android-maps-utils 下載庫和遵循的步驟https://developers.google.com/maps/documentation/android/utility/setup
但我得到NoClassDefFoundError的:com.google.maps.android.utils.demo.CustomMarkerClusteringDemoActivity
java.lang.NoClassDefFoundError: com.google.maps.android.utils.demo.CustomMarkerClusteringDemoActivity
我已經添加了庫項目的MainActivity,如documentation中所述
Google文檔有什麼問題?