BF-75: added null-safety (#13)

Author: DiogoTheCoder

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## 1.3.0-nullsafety+1
+
+* Initial release with null safety
+
 ## 1.2.2
 
   * Replaced `width` property with a changeable `height` property, you can adjust the width via outer padding

example/pubspec.lock

@@ -61,7 +61,7 @@ packages:
       name: flutter_svg
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.21.0+1"
+    version: "0.22.0"
   flutter_test:
     dependency: "direct dev"
     description: flutter
@@ -176,7 +176,7 @@ packages:
       path: ".."
       relative: true
     source: path
-    version: "1.2.1"
+    version: "1.3.0-nullsafety+1"
   xml:
     dependency: transitive
     description:
@@ -186,4 +186,4 @@ packages:
     version: "5.1.0"
 sdks:
   dart: ">=2.12.0 <3.0.0"
-  flutter: ">=1.24.0-7.0"
+  flutter: ">=2.0.0"

lib/src/weight_slider_background.dart

@@ -2,10 +2,10 @@ import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 
 class WeightBackground extends StatelessWidget {
-  final Widget child;
-  final double height;
+  final Widget? child;
+  final double? height;
 
-  const WeightBackground({Key key, this.child, this.height}) : super(key: key);
+  const WeightBackground({Key? key, this.child, this.height}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {

lib/src/weight_slider_internal.dart

@@ -13,13 +13,13 @@ class WeightSliderInternal extends StatelessWidget {
   final ScrollController scrollController;
 
   WeightSliderInternal({
-    Key key,
-    @required this.minValue,
-    @required this.maxValue,
-    @required this.value,
-    @required this.unit,
-    @required this.onChange,
-    @required this.width,
+    Key? key,
+    required this.minValue,
+    required this.maxValue,
+    required this.value,
+    required this.unit,
+    required this.onChange,
+    required this.width,
   })  : scrollController = new ScrollController(
           initialScrollOffset: (value - minValue) * width / 3,
         ),

lib/weight_slider.dart

@@ -13,13 +13,13 @@ class WeightSlider extends StatelessWidget {
   final ValueChanged<int> onChange;
 
   const WeightSlider(
-      {Key key,
+      {Key? key,
       this.weight = 80,
       this.minWeight = 30,
       this.maxWeight = 130,
       this.unit = 'kg',
       this.height = 100,
-      @required this.onChange})
+      required this.onChange})
       : super(key: key);
 
   @override

pubspec.lock

@@ -26,7 +26,7 @@ packages:
       name: flutter_svg
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.21.0+1"
+    version: "0.22.0"
   meta:
     dependency: transitive
     description:
@@ -40,14 +40,14 @@ packages:
       name: path_drawing
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.5.0"
+    version: "0.5.1"
   path_parsing:
     dependency: transitive
     description:
       name: path_parsing
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.0"
+    version: "0.2.1"
   petitparser:
     dependency: transitive
     description:
@@ -80,7 +80,7 @@ packages:
       name: xml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "5.1.0"
+    version: "5.1.2"
 sdks:
   dart: ">=2.12.0 <3.0.0"
-  flutter: ">=1.24.0-7.0"
+  flutter: ">=2.0.0"

pubspec.yaml

@@ -1,19 +1,19 @@
 name: weight_slider
 description: Customisable slider widget for retrieving a person's weight/mass.
-version: 1.2.2
+version: 1.3.0-nullsafety+1
 homepage: https://covalsolutions.com
 repository: https://github.com/coval-solutions/weight-slider
 issue_tracker: https://github.com/coval-solutions/weight-slider/issues
 documentation: https://github.com/coval-solutions/weight-slider/blob/master/README.md
 
 environment:
-  sdk: ">=2.7.0 <3.0.0"
-  flutter: ">=1.6.7"
+  sdk: '>=2.12.0 <3.0.0'
+  flutter: ">=2.0.0"
 
 dependencies:
   flutter:
     sdk: flutter
-  flutter_svg: ^0.21.0+1
+  flutter_svg: ^0.22.0
 
 flutter:
   uses-material-design: true