Canvas Developer Guide

Introducing Canvas
Quick Start
Quick Start—Advanced
Canvas SDK
Canvas Apps and Visualforce Pages
Lightning Component Code Examples
Canvas Apps in a Page Layout or a Mobile Card
Canvas Apps in the Publisher
Canvas Apps in the Chatter Feed
Canvas in the Salesforce Mobile App
Customizing Your App Lifecycle
Creating a CanvasLifecycleHandler
Associating Your CanvasLifecycleHandler with Your App
Filtering CanvasRequest Context Data
Controlling Canvas App Behavior
Presenting User Error Messages
Testing Your CanvasLifecycleHandler Implementation
Distributing Your CanvasLifecycleHandler Class
Objects
Canvas Limits
PDF

Note: This release is in preview. Features described here don’t become generally available until the latest general availability date that Salesforce announces for this release. Before then, and where features are noted as beta, pilot, or developer preview, we can’t guarantee general availability within any particular time frame or at all. Make your purchase decisions only on the basis of generally available products and features.

Distributing Your CanvasLifecycleHandler Class

If you package and distribute your canvas app, make sure to include your CanvasLifecycleHandler class in your package.

Use the following steps to include your CanvasLifecycleHandler implementation in your canvas app package.

  1. In Salesforce, from Setup, enter Packages in the Quick Find box, then select Packages.
  2. Find the package for your canvas app, and then click the package name to go to the package detail page.
  3. On the package detail page, under Components, click Add.
  4. In the Add to Package page, in the Component Type field, select Apex Class. A list of available Apex classes is shown.
  5. Select the checkbox next to your Apex class for your CanvasLifecycleHandler implementation, and then click Add To Package.