code: public static String getDatabaseName() {
          String databaseName = getMetaDataString(METADATA_DATABASE);
  
          if (databaseName == null) {
              databaseName = DATABASE_DEFAULT_NAME;
          }
  
          return databaseName;
      }
docs: Grabs the name of the database file specified in the manifest.
  
  @return the value for the {@value #METADATA_DATABASE} meta data in the AndroidManifest or
  {@link #DATABASE_DEFAULT_NAME} if not present