Starter/samples
1
0
Fork 0
mirror of https://github.com/flutter/samples.git synced 2025-11-10 14:58:34 +00:00
Code Issues Releases Wiki Activity

veggieseasons: Migrate to null safety (#922)

Browse Source
This commit is contained in:
Brett Morgan
2021-10-12 10:27:54 +11:00
committed by GitHub
parent 994cdb4afa
commit ac2bef7d83
21 changed files with 134 additions and 148 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
veggieseasons/lib/screens/search.dart
View File

@@ -11,9 +11,9 @@ import 'package:veggieseasons/data/veggie.dart';
import 'package:veggieseasons/widgets/veggie_headline.dart';
class SearchScreen extends StatefulWidget {
const SearchScreen({this.restorationId, Key key}) : super(key: key);
const SearchScreen({this.restorationId, Key? key}) : super(key: key);
final String restorationId;
final String? restorationId;
@override
_SearchScreenState createState() => _SearchScreenState();
@@ -22,13 +22,13 @@ class SearchScreen extends StatefulWidget {
class _SearchScreenState extends State<SearchScreen> with RestorationMixin {
final controller = RestorableTextEditingController();
final focusNode = FocusNode();
String terms;
String? terms;
@override
String get restorationId => widget.restorationId;
String? get restorationId => widget.restorationId;
@override
void restoreState(RestorationBucket oldBucket, bool initialRestore) {
void restoreState(RestorationBucket? oldBucket, bool initialRestore) {
registerForRestoration(controller, 'text');
controller.addListener(_onTextChanged);
terms = controller.value.text;