# Appendices

You can learn about frequently asked questions, corner cases and recommendations in our appendices.

Back up and restore attributes

Learn how to handle back up and restore for Encap SCA

Controller state

Read about the different states for an Encap controller

Learn how to handle errors

Example project

Use our example project to quickly get started with the Encap Android SDK

An overview of known problems on specific Android devices

Learn how to retrace a stack trace with obfuscated data

Thread handling

Learn how to handle threads

Learn how to handle errors related to SDK versions

Need help?

For any further queries, you can contact us at support@signicat.com.