- Update nullOk Parameter for flutter 1.23

CHANGELOG.md

@@ -1,3 +1,7 @@
+## [0.1.4] - 10 Nov 2020
+
+ - Update nullOk Parameter for flutter 1.23
+
 ## [0.1.3] - 15 Juli 2019
 
  - Remove obsolete import

example/pubspec.lock

@@ -7,35 +7,56 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.0"
+    version: "2.5.0-nullsafety.2"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
+    version: "2.1.0-nullsafety.2"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0-nullsafety.4"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.2"
+    version: "1.2.0-nullsafety.2"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0-nullsafety.2"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.11"
+    version: "1.15.0-nullsafety.4"
   cupertino_icons:
     dependency: "direct main"
     description:
       name: cupertino_icons
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.1.2"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0-nullsafety.2"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -59,35 +80,21 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.5"
+    version: "0.12.10-nullsafety.2"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0-nullsafety.5"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.2"
-  pedantic:
-    dependency: transitive
-    description:
-      name: pedantic
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.7.0"
-  quiver:
-    dependency: transitive
-    description:
-      name: quiver
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.3"
+    version: "1.8.0-nullsafety.2"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -99,55 +106,55 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.5.5"
+    version: "1.8.0-nullsafety.3"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "1.10.0-nullsafety.5"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0-nullsafety.2"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
+    version: "1.1.0-nullsafety.2"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0-nullsafety.2"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.5"
+    version: "0.2.19-nullsafety.4"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0-nullsafety.4"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
+    version: "2.1.0-nullsafety.4"
 sdks:
-  dart: ">=2.2.2 <3.0.0"
+  dart: ">=2.11.0-0.0 <2.12.0"

lib/gradient_app_bar.dart

@@ -404,7 +404,7 @@ class _GradientAppBarState extends State<GradientAppBar> {
     assert(debugCheckHasMaterialLocalizations(context));
     final ThemeData themeData = Theme.of(context);
     final AppBarTheme appBarTheme = AppBarTheme.of(context);
-    final ScaffoldState scaffold = Scaffold.of(context, nullOk: true);
+    final ScaffoldState scaffold = Scaffold.maybeOf(context);
     final ModalRoute<dynamic> parentRoute = ModalRoute.of(context);
 
     final bool hasDrawer = scaffold?.hasDrawer ?? false;
@@ -427,8 +427,8 @@ class _GradientAppBarState extends State<GradientAppBar> {
 
     if (widget.toolbarOpacity != 1.0) {
       final double opacity =
-      const Interval(0.25, 1.0, curve: Curves.fastOutSlowIn)
-          .transform(widget.toolbarOpacity);
+          const Interval(0.25, 1.0, curve: Curves.fastOutSlowIn)
+              .transform(widget.toolbarOpacity);
       if (centerStyle?.color != null)
         centerStyle =
             centerStyle.copyWith(color: centerStyle.color.withOpacity(opacity));
@@ -542,11 +542,11 @@ class _GradientAppBarState extends State<GradientAppBar> {
           widget.bottomOpacity == 1.0
               ? widget.bottom
               : Opacity(
-            opacity:
-            const Interval(0.25, 1.0, curve: Curves.fastOutSlowIn)
-                .transform(widget.bottomOpacity),
-            child: widget.bottom,
-          ),
+                  opacity:
+                      const Interval(0.25, 1.0, curve: Curves.fastOutSlowIn)
+                          .transform(widget.bottomOpacity),
+                  child: widget.bottom,
+                ),
         ],
       );
     }
@@ -587,7 +587,7 @@ class _GradientAppBarState extends State<GradientAppBar> {
         child: Material(
             color: appBarTheme.color ?? themeData.primaryColor,
             elevation:
-            widget.elevation ?? appBarTheme.elevation ?? _defaultElevation,
+                widget.elevation ?? appBarTheme.elevation ?? _defaultElevation,
             shape: widget.shape,
             child: Container(
               decoration: BoxDecoration(gradient: widget.gradient),
@@ -633,8 +633,8 @@ class _FloatingGradientAppBarState extends State<_FloatingGradientAppBar> {
   }
 
   RenderSliverFloatingPersistentHeader _headerRenderer() {
-    return context.ancestorRenderObjectOfType(
-        const TypeMatcher<RenderSliverFloatingPersistentHeader>());
+    return context
+        .findAncestorRenderObjectOfType<RenderSliverFloatingPersistentHeader>();
   }
 
   void _isScrollingListener() {

pubspec.lock

@@ -7,28 +7,49 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.2.0"
+    version: "2.5.0-nullsafety.2"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
+    version: "2.1.0-nullsafety.2"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0-nullsafety.4"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.2"
+    version: "1.2.0-nullsafety.2"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0-nullsafety.2"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.11"
+    version: "1.15.0-nullsafety.4"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0-nullsafety.2"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -45,35 +66,21 @@ packages:
       name: matcher
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.12.5"
+    version: "0.12.10-nullsafety.2"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0-nullsafety.5"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.6.2"
-  pedantic:
-    dependency: transitive
-    description:
-      name: pedantic
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.7.0"
-  quiver:
-    dependency: transitive
-    description:
-      name: quiver
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "2.0.3"
+    version: "1.8.0-nullsafety.2"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -85,55 +92,56 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.5.5"
+    version: "1.8.0-nullsafety.3"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.9.3"
+    version: "1.10.0-nullsafety.5"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.0-nullsafety.2"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.4"
+    version: "1.1.0-nullsafety.2"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.0-nullsafety.2"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.5"
+    version: "0.2.19-nullsafety.4"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.6"
+    version: "1.3.0-nullsafety.4"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.8"
+    version: "2.1.0-nullsafety.4"
 sdks:
-  dart: ">=2.2.2 <3.0.0"
+  dart: ">=2.11.0-0.0 <2.12.0"
+  flutter: ">=1.23.0 <2.0.0"