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The Screens player provides offline support for the channels by leveraging the ContentSync technology.
The players use a local http server to serve the unzipped content.
When a channel is configured to run online, the player serves the channel-resources by accessing the AEM server but when the channel is configured to run offline, the player serves the channel-resources from a local http server.
The workflow for the process is as follows:
- Parse the desired page(s)
- Collect all related assets
- Package everything in a zip file
- Download the zip and extract it locally
- Display local copy of the content
The ContentSync uses update handlers to parse and collect all necessary pages and assets for a specific project. AEM Screens uses the following update handlers:
- type: the update handler type to use
- path: path to the resource
- [targetRootDirectory]: target folder in the zip file
| Type | Description | Options |
| channels | collects a channel | extension: extension of the resource to collect [pathSuffix='']: suffix to add to the channel path [deep=true]: whether to parse child pages recursively [includeImages=true]: include all images in the channel [includeVideos=true]: include all videos in the channel [includeProducts=true]: include all products in the channel |
| clientlib | collect the specified client library | [extension='']: can be either css or js, to collect only the former, or only the latter |
| assetrenditions | collect the asset renditions | [renditions=[]]: list of renditions to collect. Defaults to the original rendition |
| copy | copy the specified structure from path |
Follow the steps below to test the ContentSync configuration:
- Open http://localhost:4502/libs/cq/contentsync/content/console.html
- Select your config in the list
- Click Clear Cache
- Click Update Cache
- Click Download Full
- Extract the zip file
- Start a local server in the extracted folder
- Open your start page and check your app status
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