fix: SchedulerBinding.instance is now null-safe (#124)

* fix: SchedulerBinding.instance is now null-safe Closes #122. * sdk: bump flutter version * fix: github action Co-authored-by: mockturtl <mockturtl@gmail.com>
fluttercommunity · May 3, 2022 · fffadfa · fffadfa
1 parent 949a265
commit fffadfa
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Showing 3 changed files with 10 additions and 3 deletions.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -11,6 +11,8 @@ jobs:
         uses: actions/checkout@v2
       - name: "Install Flutter"
         uses: subosito/flutter-action@v1
+        with:
+          channel: 'beta'
       - name: "Install dependencies"
         run: flutter pub get && (cd demo && flutter pub get)
       - name: "Analyze Dart code"
@@ -24,10 +26,12 @@ jobs:
         uses: actions/checkout@v2
       - name: "Install Flutter"
         uses: subosito/flutter-action@v1
+        with:
+          channel: 'beta'
       - name: "Install dependencies"
         run: flutter pub get && (cd demo && flutter pub get)
       - name: "Pub Check"
-        run: pub publish --dry-run
+        run: dart pub publish --dry-run
 
   check_formatting:
     name: "Check code formatting"
@@ -37,6 +41,8 @@ jobs:
         uses: actions/checkout@v2
       - name: "Install Flutter"
         uses: subosito/flutter-action@v1
+        with:
+          channel: 'beta'
       - name: "Install dependencies"
         run: flutter pub get && (cd demo && flutter pub get)
       - name: "Validate Dart formatting"

diff --git a/lib/src/scaffold.dart b/lib/src/scaffold.dart
@@ -710,10 +710,10 @@ class _MeasureSizeState extends State<_MeasureSize> {
 
   @override
   Widget build(BuildContext context) {
-    SchedulerBinding.instance!.addPostFrameCallback((_) => _notify());
+    SchedulerBinding.instance.addPostFrameCallback((_) => _notify());
     return NotificationListener<SizeChangedLayoutNotification>(
       onNotification: (_) {
-        SchedulerBinding.instance!.addPostFrameCallback((_) => _notify());
+        SchedulerBinding.instance.addPostFrameCallback((_) => _notify());
         return true;
       },
       child: SizeChangedLayoutNotifier(

diff --git a/pubspec.yaml b/pubspec.yaml
@@ -7,6 +7,7 @@ maintainer: Harsh Bhikadia (@daadu)
 
 environment:
   sdk: '>=2.12.0 <3.0.0'
+  flutter: '>=2.12.0-4.0.pre'
 
 dependencies:
   flutter: