Revert "Clean up the bindings APIs (#83843)" (#86386)

This reverts commit e2490f2906.
2021-07-13 15:47:40 -07:00
parent e2490f2906
commit c800b9c3e4
248 changed files with 1265 additions and 1614 deletions
--- a/examples/layers/services/lifecycle.dart
+++ b/examples/layers/services/lifecycle.dart
@@ -18,12 +18,12 @@ class _LifecycleWatcherState extends State<LifecycleWatcher>
  @override
  void initState() {
    super.initState();
-    WidgetsBinding.instance.addObserver(this);
+    WidgetsBinding.instance!.addObserver(this);
  }

  @override
  void dispose() {
-    WidgetsBinding.instance.removeObserver(this);
+    WidgetsBinding.instance!.removeObserver(this);
    super.dispose();
  }