Fix null-aware operation warn for Flutter 2 and 3

CHANGELOG.md

@@ -1,3 +1,7 @@
+## [2.0.0-mb.20] - 06/Jun/2022
+
+- Revert previous changes and solve null-aware operation warning in a way that the package is warn-free for Flutter 2 and 3.
+
 ## [2.0.0-mb.19] - 26/May/2022
 
 - Remove unnecessary null-aware operation `!` that throws a compiler warning since Flutter 3.0.1

example/pubspec.lock

@@ -42,7 +42,7 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.16.0"
+    version: "1.15.0"
   crypto:
     dependency: transitive
     description:
@@ -63,7 +63,7 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.2.0"
   ffi:
     dependency: transitive
     description:
@@ -162,7 +162,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "2.0.0-mb.19"
+    version: "2.0.0-mb.20"
   google_maps_webservice:
     dependency: transitive
     description:
@@ -190,7 +190,7 @@ packages:
       name: js
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.4"
+    version: "0.6.3"
   json_annotation:
     dependency: transitive
     description:
@@ -232,7 +232,7 @@ packages:
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.4"
+    version: "0.1.3"
   meta:
     dependency: transitive
     description:
@@ -295,7 +295,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.0"
   plugin_platform_interface:
     dependency: transitive
     description:
@@ -328,7 +328,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.2"
+    version: "1.8.1"
   stack_trace:
     dependency: transitive
     description:
@@ -370,7 +370,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.9"
+    version: "0.4.8"
   tuple:
     dependency: transitive
     description:
@@ -398,7 +398,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.1"
   win32:
     dependency: transitive
     description:
@@ -407,5 +407,5 @@ packages:
     source: hosted
     version: "2.2.9"
 sdks:
-  dart: ">=2.17.0-0 <3.0.0"
-  flutter: ">=2.8.0"
+  dart: ">=2.15.0 <3.0.0"
+  flutter: ">=2.10.5"

lib/src/autocomplete_search.dart

@@ -71,7 +71,8 @@ class AutoCompleteSearchState extends State<AutoCompleteSearch> {
   void initState() {
     super.initState();
     if (widget.initialSearchString != null) {
-      WidgetsBinding.instance.addPostFrameCallback((_) {
+      // ignore: 
+      _ambiguate(WidgetsBinding.instance)!.addPostFrameCallback((_) {
         controller.text = widget.initialSearchString!;
         if (widget.searchForInitialValue!) {
           _onSearchInputChange();
@@ -314,4 +315,12 @@ class AutoCompleteSearchState extends State<AutoCompleteSearch> {
   clearOverlay() {
     _clearOverlay();
   }
+
+  /// This allows a value of type T or T? to be treated as a value of type T?.
+  ///
+  /// We use this so that APIs that have become non-nullable can still be used
+  /// with `!` and `?` on the stable branch.
+  // TODO: Remove this, once Flutter 2 support is dropped
+  // See https://github.com/flutter/flutter/issues/64830
+  T? _ambiguate<T>(T? value) => value;
 }

pubspec.lock

@@ -42,7 +42,7 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.16.0"
+    version: "1.15.0"
   crypto:
     dependency: transitive
     description:
@@ -56,7 +56,7 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.3.0"
+    version: "1.2.0"
   ffi:
     dependency: transitive
     description:
@@ -176,7 +176,7 @@ packages:
       name: js
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.6.4"
+    version: "0.6.3"
   json_annotation:
     dependency: transitive
     description:
@@ -218,7 +218,7 @@ packages:
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.4"
+    version: "0.1.3"
   meta:
     dependency: transitive
     description:
@@ -281,7 +281,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.0"
   plugin_platform_interface:
     dependency: transitive
     description:
@@ -314,7 +314,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.2"
+    version: "1.8.1"
   stack_trace:
     dependency: transitive
     description:
@@ -356,7 +356,7 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.9"
+    version: "0.4.8"
   tuple:
     dependency: "direct main"
     description:
@@ -384,7 +384,7 @@ packages:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.1"
   win32:
     dependency: transitive
     description:
@@ -393,5 +393,5 @@ packages:
     source: hosted
     version: "2.3.1"
 sdks:
-  dart: ">=2.17.0-0 <3.0.0"
-  flutter: ">=2.8.0"
+  dart: ">=2.15.0 <3.0.0"
+  flutter: ">=2.10.5"

pubspec.yaml

@@ -1,11 +1,12 @@
 name: google_maps_place_picker_mb
 description: A Flutter plugin which provides 'Picking Place' using Google Maps
   widget. (MB version)
-version: 2.0.0-mb.19
+version: 2.0.0-mb.20
 homepage: https://github.com/martin-braun/google_maps_place_picker_mb
 
 environment:
-  sdk: ">=2.12.0 <3.0.0"
+  sdk: ">=2.15.0 <3.0.0"
+  flutter: ">=2.10.5 <4.0.0"
 
 dependencies:
   flutter: