java - android class missing in Android project -


i'm trying sqlite database work, i'm following this youtube guide. i'm having trouble implementing database helper class. can see photo, have db_controller class cannot use newcustomer class won't resolve symbol. i've tried cleaning , rebuilding project cannot resolve problem.

screenshot

there no such class in android sdk. please watch video more carefully, , see on 1:55 time author starts implement db_controller class manually.


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