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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
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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)...