Replace isPlaying with isAnimating

flutter_kanjivg/example/lib/main.dart

@@ -3,8 +3,8 @@ import 'package:flutter_kanjivg/flutter_kanjivg.dart';
 
 void main() {
   return runApp(
-    MaterialApp(
-      home: const ExamplePage(),
+    const MaterialApp(
+      home: ExamplePage(),
     ),
   );
 }
@@ -20,7 +20,7 @@ class _ExamplePageState extends State<ExamplePage>
     with TickerProviderStateMixin {
   late final KanjiController controller = KanjiController(
     vsync: this,
-    duration: const Duration(seconds: 5),
+    duration: const Duration(seconds: 3),
   );
 
   @override
@@ -52,7 +52,7 @@ class _ExamplePageState extends State<ExamplePage>
   Widget build(BuildContext context) {
     return Scaffold(
       appBar: AppBar(
-        title: Text('flutter_kanjivg'),
+        title: const Text('flutter_kanjivg'),
       ),
       body: Center(
         child: Card(
@@ -68,7 +68,7 @@ class _ExamplePageState extends State<ExamplePage>
         onPressed: controller.toggle,
         child: ListenableBuilder(
           listenable: controller,
-          builder: (context, child) => controller.isPlaying
+          builder: (context, child) => controller.isAnimating
               ? const Icon(Icons.pause)
               : const Icon(Icons.play_arrow),
         ),

flutter_kanjivg/lib/src/kanji_controller.dart

@@ -16,22 +16,18 @@ class KanjiController extends AnimationController {
   KanjiController({
     required super.vsync,
     super.duration = const Duration(seconds: 5),
-  }) : _isPlaying = false;
+  });
 
   /// Currently loaded kanji character.
   KvgData? get data => _data;
   KvgData? _data;
 
-  /// Whether the drawing animation is currently playing.
-  bool get isPlaying => _isPlaying;
-  bool _isPlaying;
-
   /// Toggle the current state.
   @override
   TickerFuture toggle({double? from}) {
     if (isCompleted) {
       reset();
-    } else if (_isPlaying) {
+    } else if (isAnimating) {
       stop();
       return TickerFuture.complete();
     }
@@ -50,11 +46,8 @@ class KanjiController extends AnimationController {
 
   @override
   TickerFuture forward({double? from}) {
-    final future = super.forward(from: from);
-    _isPlaying = true;
     notifyListeners();
-
-    return future;
+    return super.forward(from: from);
   }
 
   /// Draw the character to a specific stroke.
@@ -98,18 +91,14 @@ class KanjiController extends AnimationController {
 
   @override
   TickerFuture reverse({double? from}) {
-    final future = super.reverse(from: from);
-    _isPlaying = true;
     notifyListeners();
-
-    return future;
+    return super.reverse(from: from);
   }
 
   @override
   void stop({bool canceled = true}) {
-    _isPlaying = false;
     notifyListeners();
 
-    super.stop(canceled: canceled);
+    return super.stop(canceled: canceled);
   }
 }