Fix WrongIdFormat exception on Android XML widgets with non-@+id/ format

plugins/android-idea-plugin/src/org/jetbrains/kotlin/plugin/android/AndroidRenameProcessor.kt

@@ -129,7 +129,9 @@ public class AndroidRenameProcessor : RenamePsiElementProcessor() {
         if (element == null) return
         val oldPropName = AndroidResourceUtil.getResourceNameByReferenceText(attribute.getValue())
         val newPropName = idToName(newName)
-        renameSyntheticProperties(allRenames, newPropName, oldPropName, processor)
+        if (oldPropName != null && newPropName != null) {
+            renameSyntheticProperties(allRenames, newPropName, oldPropName, processor)
+        }
     }
 
     private fun renameSyntheticProperties(

plugins/android-idea-plugin/src/org/jetbrains/kotlin/plugin/android/AndroidXmlVisitor.kt

@@ -45,7 +45,8 @@ class AndroidXmlVisitor(
             val attributeValue = attribute.getValue()
             if (attributeValue != null) {
                 val classNameAttr = tag?.getAttribute(AndroidConst.CLASS_ATTRIBUTE_NO_NAMESPACE)?.getValue() ?: tag?.getLocalName()
-                elementCallback(idToName(attributeValue), classNameAttr!!, attribute)
+                val name = idToName(attributeValue)
+                if (name != null) elementCallback(name, classNameAttr!!, attribute)
             }
         }
         tag?.acceptChildren(this)