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Android Build a Simple Android App (2014) Basic Android Programming Making a Button Do Something

Daniel Hahm
Daniel Hahm
230 Points

the "R" is read in my code what is the issue?

The R is read after findViewIdBy and also SetContentView I don't have build folder and don't know what is wrong with my code. thank you

Ben Deitch
Ben Deitch
Treehouse Teacher

Have you tried cleaning/rebuilding the project? They're under the 'Build' menu in Android Studio.