readme.md

Edit feature attachments

Add, delete, and download attachments for features from a service.

How to use the sample

Tap a feature to load its attachments. Swipe to delete, select to preview, or tap 'Add attachment' to add a new attachment from your photo library.

How it works

To get a Feature from a ServiceFeatureTable and add or delete Attachment:

1. Create a service feature table from a URL.
2. Create a FeatureLayer from the service feature table.
3. Select features from the feature layer, FeatureLayer.SelectFeatures().
4. To fetch the feature's attachments, cast to an ArcGISFeature and useArcGISFeature.GetAttachmentsAsync().
5. To add an attachment to the selected ArcGISFeature, use ArcGISFeature.AddAttachmentAsync().
6. To delete an attachment from the selected ArcGISFeature, use the ArcGISFeature.DeleteAttachmentAsync().
7. After a change, apply the changes to the server using ServiceFeatureTable.ApplyEditsAsync().

Relevant API

• ServiceFeatureTable
• FeatureLayer
• GetAttachmentsAsync
• GetDataAsync
• DeleteAttachmentAsync
• UpdateFeatureAsync
• ApplyEditsAsync

Tags

Edit and Manage Data