1
0
mirror of https://github.com/flutter/samples.git synced 2026-05-13 10:27:09 +00:00

dart migrate place_tracker (#831)

This commit is contained in:
Brett Morgan
2021-06-08 09:23:48 +10:00
committed by GitHub
parent b1a49c0afb
commit 0850579bc8
8 changed files with 122 additions and 164 deletions

View File

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