Merge pull request #7 from ryanheise/nnbd

Migrate to null safety (alternative pull request)

Author: lokesh-coder

CHANGELOG.md

@@ -1,3 +1,7 @@
+## [2.0.0]
+
+- Migrated to null safety
+
 ## [1.2.0]
 
 - Changed blob generator logic

example/lib/common/app_shell.dart

@@ -2,8 +2,8 @@ import 'package:flutter/material.dart';
 
 class AppShell extends StatelessWidget {
   final String title;
-  final Widget child;
-  const AppShell({Key key, this.title, this.child}) : super(key: key);
+  final Widget? child;
+  const AppShell({Key? key, required this.title, this.child}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {

example/lib/common/button.dart

@@ -2,8 +2,8 @@ import 'package:flutter/material.dart';
 
 class Button extends StatelessWidget {
   final String label;
-  final Function onTap;
-  const Button(this.label, {Key key, this.onTap}) : super(key: key);
+  final VoidCallback? onTap;
+  const Button(this.label, {Key? key, this.onTap}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {

example/lib/examples/animated/animated_basic.dart

@@ -5,7 +5,7 @@ import '../../common/app_shell.dart';
 import '../../common/button.dart';
 
 class AnimatedBasicExample extends StatelessWidget {
-  const AnimatedBasicExample({Key key}) : super(key: key);
+  const AnimatedBasicExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {

example/lib/examples/animated/animated_child.dart

@@ -4,7 +4,7 @@ import '../../common/app_shell.dart';
 import '../../common/button.dart';
 
 class AnimatedChildExample extends StatelessWidget {
-  const AnimatedChildExample({Key key}) : super(key: key);
+  const AnimatedChildExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {

example/lib/examples/animated/animated_color.dart

@@ -4,7 +4,7 @@ import '../../common/button.dart';
 import 'package:flutter/material.dart';
 
 class AnimatedColorExample extends StatelessWidget {
-  const AnimatedColorExample({Key key}) : super(key: key);
+  const AnimatedColorExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {

example/lib/examples/animated/animated_debug.dart

@@ -4,7 +4,7 @@ import '../../common/button.dart';
 import 'package:flutter/material.dart';
 
 class AnimatedDebugExample extends StatelessWidget {
-  const AnimatedDebugExample({Key key}) : super(key: key);
+  const AnimatedDebugExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {

example/lib/examples/animated/animated_gradient.dart

@@ -4,7 +4,7 @@ import '../../common/button.dart';
 import 'package:flutter/material.dart';
 
 class AnimatedGradientExample extends StatelessWidget {
-  const AnimatedGradientExample({Key key}) : super(key: key);
+  const AnimatedGradientExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {

example/lib/examples/animated/animated_hash.dart

@@ -4,7 +4,7 @@ import '../../common/button.dart';
 import 'package:flutter/material.dart';
 
 class AnimatedHashExample extends StatelessWidget {
-  const AnimatedHashExample({Key key}) : super(key: key);
+  const AnimatedHashExample({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {

example/lib/examples/animated/animated_multiple_hash.dart

@@ -3,7 +3,7 @@ import '../../common/app_shell.dart';
 import 'package:flutter/material.dart';
 
 class AnimatedMultipleHashExample extends StatefulWidget {
-  const AnimatedMultipleHashExample({Key key}) : super(key: key);
+  const AnimatedMultipleHashExample({Key? key}) : super(key: key);
 
   @override
   _AnimatedMultipleHashExampleState createState() =>
@@ -12,7 +12,7 @@ class AnimatedMultipleHashExample extends StatefulWidget {
 
 class _AnimatedMultipleHashExampleState
     extends State<AnimatedMultipleHashExample> {
-  Color clr;
+  Color? clr;
   @override
   Widget build(BuildContext context) {
     BlobController blobCtrl = BlobController();