Your Second Flutter App

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FilterPage is now working, but we’ve not done anything yet to actually filter courses. We’ll get that working in this episode. However, we’ll also notice a deficiency in our approach, and that will lead us into the next part of the course, on lifting state up in the app.

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class _CoursesPageState extends State<CoursesPage> {
  int _filterValue = Constants.allFilter;

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import 'package:shared_preferences/shared_preferences.dart';

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future: _controller.fetchCourses(_filterValue),

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