优化交互体验增加动画效果

lib/features/dialog/dialog-record.dart

@@ -8,6 +8,8 @@ import 'package:recording_tool/gen/assets.gen.dart';
 class RecordDialog extends StatelessWidget {
   const RecordDialog({super.key, required this.title, required this.actions});
 
+  static const _transitionDuration = Duration(milliseconds: 280);
+
   final String title;
   final List<RecordDialogAction> actions;
 
@@ -18,8 +20,8 @@ class RecordDialog extends StatelessWidget {
     VoidCallback? onPressed,
     bool barrierDismissible = true,
   }) {
-    return showDialog<void>(
-      context: context,
+    return _present(
+      context,
       barrierDismissible: barrierDismissible,
       builder: (dialogContext) {
         return RecordDialog(
@@ -47,8 +49,8 @@ class RecordDialog extends StatelessWidget {
     VoidCallback? onRightPressed,
     bool barrierDismissible = false,
   }) {
-    return showDialog<void>(
-      context: context,
+    return _present(
+      context,
       barrierDismissible: barrierDismissible,
       builder: (dialogContext) {
         return RecordDialog(
@@ -74,6 +76,51 @@ class RecordDialog extends StatelessWidget {
     );
   }
 
+  static Future<void> _present(
+    BuildContext context, {
+    required Widget Function(BuildContext dialogContext) builder,
+    required bool barrierDismissible,
+  }) {
+    return showGeneralDialog<void>(
+      context: context,
+      barrierDismissible: barrierDismissible,
+      barrierLabel: MaterialLocalizations.of(context).modalBarrierDismissLabel,
+      barrierColor: Colors.black54,
+      transitionDuration: _transitionDuration,
+      pageBuilder: (dialogContext, animation, secondaryAnimation) {
+        return builder(dialogContext);
+      },
+      transitionBuilder: _buildTransition,
+    );
+  }
+
+  static Widget _buildTransition(
+    BuildContext context,
+    Animation<double> animation,
+    Animation<double> secondaryAnimation,
+    Widget child,
+  ) {
+    final curved = CurvedAnimation(
+      parent: animation,
+      curve: Curves.easeOutCubic,
+      reverseCurve: Curves.easeInCubic,
+    );
+
+    return FadeTransition(
+      opacity: curved,
+      child: SlideTransition(
+        position: Tween<Offset>(
+          begin: const Offset(0, 0.08),
+          end: Offset.zero,
+        ).animate(curved),
+        child: ScaleTransition(
+          scale: Tween<double>(begin: 0.92, end: 1).animate(curved),
+          child: child,
+        ),
+      ),
+    );
+  }
+
   @override
   Widget build(BuildContext context) {
     final actionWidgets = actions