From 62ae6ac8691ba092f3894d2076cd1051b520047a Mon Sep 17 00:00:00 2001
From: daole <daole@wakumo.vn>
Date: Thu, 27 Aug 2026 14:56:01 +0700
Subject: [PATCH] fix: prevent image decode future from completing twice

---
 .../cache_managers/image_cache_manager.dart   | 29 ++++++++++++++-----
 1 file changed, 21 insertions(+), 8 deletions(-)

diff --git a/flutter_cache_manager/lib/src/cache_managers/image_cache_manager.dart b/flutter_cache_manager/lib/src/cache_managers/image_cache_manager.dart
index e27b07c1..5851a7ab 100644
--- a/flutter_cache_manager/lib/src/cache_managers/image_cache_manager.dart
+++ b/flutter_cache_manager/lib/src/cache_managers/image_cache_manager.dart
@@ -163,14 +163,27 @@ Future<ui.Image> _decodeImage(
           allowUpscaling: allowUpscaling,
         )
       : fileImage as ImageProvider;
+
   final completer = Completer<ui.Image>();
-  image
-      .resolve(ImageConfiguration.empty)
-      .addListener(
-        ImageStreamListener((info, _) {
-          completer.complete(info.image);
-          image.evict();
-        }),
-      );
+  final stream = image.resolve(ImageConfiguration.empty);
+
+  late final ImageStreamListener listener;
+  listener = ImageStreamListener(
+    (info, _) {
+      if (completer.isCompleted) return;
+
+      stream.removeListener(listener);
+      image.evict();
+      completer.complete(info.image);
+    },
+    onError: (Object error, StackTrace? stackTrace) {
+      if (completer.isCompleted) return;
+
+      stream.removeListener(listener);
+      completer.completeError(error, stackTrace);
+    },
+  );
+
+  stream.addListener(listener);
   return completer.future;
 }