A continuously-update list of standalone notes, snippets, and tips extracted from full posts.

CRXDE Lite Isn’t Showing Directories

• If CRXDE Lite isn’t showing or updating directories, it’s because its session has timed out
• Log back into CRXDE Lite by clicking on the user name in the top right

Multifields with different xtypes

• To customize a multifield widget, create another widget inside it called fieldConfig
• propertyField.get(propertyName, new String[0]) defaults to an empty list instead of null

AEM Author Mode Loading Multiple Sidekicks

• To check if a page is standalone, compare currentPage.getPath() to resourcePage.getPath()
• The CQ Sidekick is loaded within pages by including /libs/wcm/core/components/init/init.jsp

Fetching Properties From Dialogs

• Use the geometrix samples to copy-paste dialog nodes and other boilerplate structures
• Edit mode is reached by clicking the pencil icon in the CQ Sidekick
• A component must have some kind of content to be selectable for editing in Edit mode
• Double-click a component in edit mode to bring up its dialog configuration
• CRX Explorer is a good tool for exploring properties set by dialogs
• Within a component, properties.get will fetch its own properties
• The second parameter of properties.get specifies a default value to get in case no property
• The second parameter of properties.get cannot be null.  Instead, specify {className}.class
• To fetch properties from another component, convert it to a Node and call getProperty
• node.getProperty will fail when a property is not set. First call node.hasProperty
• To check if a node exists, compare resourceResolver.getResource({path}).getResourceType() to Resource.RESOURCE_TYPE_NON_EXISTING

Creating OSGi Bundles

• OSGi bundles are standard jar files with extra dependency metadata in META-INF/MANIFEST.MF
• AEM doesn’t use a /lib folder to drop in 3rd party libraries. Insead it uses OSGi bundles
• OSGi bundles won’t load unless their dependencies are loaded as OSGi bundles