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dart migrate place_tracker (#831)
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@@ -10,7 +10,7 @@ import 'place_details.dart';
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import 'place_tracker_app.dart';
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class PlaceList extends StatefulWidget {
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const PlaceList({Key key}) : super(key: key);
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const PlaceList({Key? key}) : super(key: key);
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@override
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PlaceListState createState() => PlaceListState();
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@@ -69,17 +69,15 @@ class _CategoryButton extends StatelessWidget {
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final bool selected;
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final ValueChanged<PlaceCategory> onCategoryChanged;
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const _CategoryButton({
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Key key,
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@required this.category,
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@required this.selected,
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@required this.onCategoryChanged,
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}) : assert(category != null),
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assert(selected != null),
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super(key: key);
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Key? key,
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required this.category,
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required this.selected,
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required this.onCategoryChanged,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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String _buttonText;
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late String _buttonText;
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switch (category) {
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case PlaceCategory.favorite:
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_buttonText = 'Favorites';
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@@ -122,12 +120,10 @@ class _ListCategoryButtonBar extends StatelessWidget {
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final ValueChanged<PlaceCategory> onCategoryChanged;
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const _ListCategoryButtonBar({
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Key key,
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@required this.selectedCategory,
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@required this.onCategoryChanged,
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}) : assert(selectedCategory != null),
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assert(onCategoryChanged != null),
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super(key: key);
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Key? key,
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required this.selectedCategory,
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required this.onCategoryChanged,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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@@ -159,12 +155,10 @@ class _PlaceListTile extends StatelessWidget {
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final ValueChanged<Place> onPlaceChanged;
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const _PlaceListTile({
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Key key,
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@required this.place,
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@required this.onPlaceChanged,
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}) : assert(place != null),
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assert(onPlaceChanged != null),
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super(key: key);
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Key? key,
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required this.place,
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required this.onPlaceChanged,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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