Heads Up :
The post you are writing will appear in a public forum. Please ensure all content is appropriate for public consumption. Review the employee guidelines for the community here.
The stand-alone Jabber Guest app works because the targetSDK is set to 22(Don't as me how I know this ;)).
I am not saying that Jabber Android SDK is not working at all, its just that the RemoteView is able to render images, but the SelfView is goi...
https://android-developers.googleblog.com/2017/12/improving-app-security-and-performance.html
I guess Cisco Jabber Guest SDK developers will have to release a new SDK that supports targetSDK level >23.