hello to enyone what could be the problem that i bulided my app and i tried to create a data source it comes up after the data source is created that the class XYZ is no longer avalibale
Rocky, thanks for the streight and complete answer, It's appreciated and sets me on the right track. Maybe it is an Idea to inform the community (more specific: people who are learnig with the Video's) about this possible step. I have to focus on another technique. You gave me a hint ( MVVM)...