code: private static int getIdentifier(String resourcetype, Context context, String resourceName) {
  		
  		return context.getResources().getIdentifier(resourceName, resourcetype, context.getPackageName());
  	}
docs: <p>Looks up the identifier of a resource using
  {@link Resources#getIdentifier(String, String, String)}.</p>
  
  @param resourcetype
  the resource <i>type</i>; these include <i>string</i>,
  <i>drawable</i> etc
  
  @param context
  the {@link Context} in which the members of the <b>R</b>
  file is discovered
  
  @param resourceName
  the name of the resource whose identifier is to be queried
  
  @return the {@code int} identifier as specified in the <b>R</b> class
  
  @since 1.1.0