🚀 Use super parameters

Author: AlexV525

example/lib/main.dart

@@ -10,13 +10,15 @@ import 'package:flutter/services.dart';
 import 'package:wechat_camera_picker/wechat_camera_picker.dart';
 
 void main() {
-  runApp(MyApp());
+  runApp(const MyApp());
   SystemChrome.setSystemUIOverlayStyle(
     const SystemUiOverlayStyle(statusBarColor: Colors.transparent),
   );
 }
 
 class MyApp extends StatelessWidget {
+  const MyApp({super.key});
+
   // This widget is the root of your application.
   @override
   Widget build(BuildContext context) {
@@ -33,7 +35,7 @@ class MyApp extends StatelessWidget {
 }
 
 class MyHomePage extends StatefulWidget {
-  const MyHomePage({Key? key}) : super(key: key);
+  const MyHomePage({super.key});
 
   @override
   _MyHomePageState createState() => _MyHomePageState();

example/pubspec.yaml

@@ -4,8 +4,8 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 version: 3.1.0+9
 
 environment:
-  sdk: '>=2.14.0 <3.0.0'
-  flutter: '>=2.5.0'
+  sdk: '>=2.17.0-0 <3.0.0'
+  flutter: '>=2.13.0-0'
 
 dependencies:
   flutter:

lib/src/widgets/camera_picker.dart

@@ -10,7 +10,6 @@ import 'dart:math' as math;
 import 'package:camera/camera.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
-import 'package:flutter/scheduler.dart';
 import 'package:flutter/semantics.dart';
 import 'package:flutter/services.dart';
 
@@ -279,7 +278,7 @@ class CameraPickerState extends State<CameraPicker>
   @override
   void initState() {
     super.initState();
-    WidgetsBinding.instance?.addObserver(this);
+    WidgetsBinding.instance.addObserver(this);
 
     // TODO(Alex): Currently hide status bar will cause the viewport shaking on Android.
     /// Hide system status bar automatically when the platform is not Android.
@@ -296,7 +295,7 @@ class CameraPickerState extends State<CameraPicker>
     if (!Platform.isAndroid) {
       SystemChrome.setEnabledSystemUIOverlays(SystemUiOverlay.values);
     }
-    WidgetsBinding.instance?.removeObserver(this);
+    WidgetsBinding.instance.removeObserver(this);
     _controller?.dispose();
     _currentExposureOffset.dispose();
     _lastExposurePoint.dispose();
@@ -373,7 +372,7 @@ class CameraPickerState extends State<CameraPicker>
     });
     // **IMPORTANT**: Push methods into a post frame callback, which ensures the
     // controller has already unbind from widgets.
-    SchedulerBinding.instance?.addPostFrameCallback((_) async {
+    WidgetsBinding.instance.addPostFrameCallback((_) async {
       // Dispose at last to avoid disposed usage with assertions.
       await _c?.dispose();
 

lib/src/widgets/circular_progress_bar.dart

@@ -5,7 +5,6 @@
 import 'dart:math' as math;
 
 import 'package:flutter/material.dart';
-import 'package:flutter/scheduler.dart';
 
 import '../constants/styles.dart';
 
@@ -41,7 +40,7 @@ class _CircleProgressState extends State<CircularProgressBar>
   @override
   void initState() {
     super.initState();
-    SchedulerBinding.instance?.addPostFrameCallback((Duration _) {
+    WidgetsBinding.instance.addPostFrameCallback((Duration _) {
       progressController.forward();
     });
   }

pubspec.yaml

@@ -4,15 +4,15 @@ version: 3.1.0
 homepage: https://github.com/fluttercandies/flutter_wechat_camera_picker
 
 environment:
-  sdk: '>=2.14.0 <3.0.0'
-  flutter: '>=2.5.0'
+  sdk: '>=2.17.0-0 <3.0.0'
+  flutter: '>=2.13.0-0'
 
 dependencies:
   flutter:
     sdk: flutter
 
-  camera: ^0.9.4+6
+  camera: ^0.9.4+21
   path: ^1.8.0
   path_provider: ^2.0.8
-  photo_manager: ^2.0.4
-  video_player: ^2.2.14
+  photo_manager: ^2.0.8
+  video_player: ^2.4.0