shadows/framework/src/main/java/org/robolectric/android/XmlResourceParserImpl.java
public String qualify(String value) {
    if (value == null) return null;
    if (AttributeResource.isResourceReference(value)) {
      return "@" + ResName.qualifyResourceName(value.trim().substring(1).replace("+", ""), packageName, "attr");
    } else if (AttributeResource.isStyleReference(value)) {
      return "?" + ResName.qualifyResourceName(value.trim().substring(1), packageName, "attr");
    } else {
      return StringResources.processStringResources(value);
    }
  }
public String qualify(String value) {
    if (value == null) return null;
    if (AttributeResource.isResourceReference(value)) {
      return "@" + ResName.qualifyResourceName(value.trim().substring(1).replace("+", ""), packageName, "attr");
    } else if (AttributeResource.isStyleReference(value)) {
      return "?" + ResName.qualifyResourceName(value.trim().substring(1), packageName, "attr");
    } else {
      return StringResources.processStringResources(value);
    }
  }
public String qualify ( String value ) { if ( value == null ) return null ; if ( AttributeResource . isResourceReference ( value ) ) { return "@" + ResName . qualifyResourceName ( value . trim ( ) . substring ( 1 ) . replace ( "+" , "" ) , packageName , "attr" ) ; } else if ( AttributeResource . isStyleReference ( value ) ) { return "?" + ResName . qualifyResourceName ( value . trim ( ) . substring ( 1 ) , packageName , "attr" ) ; } else { return StringResources . processStringResources ( value ) ; } }
for testing only...
for testing only ...