fox_utils 0.1.7: clipboard, drag & drop, Android file saving

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

lib/error_window.dart

@@ -0,0 +1,115 @@
+import 'package:dio/dio.dart';
+import 'package:flutter/material.dart';
+import 'dio_exceptions.dart'; // Assuming they are in the same package
+
+class ErrorWindow extends StatelessWidget {
+  final Object? originalError;
+  final Widget? child; // For retry buttons, etc.
+
+  const ErrorWindow(this.originalError, {this.child, super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    final error = originalError;
+
+    Widget errorContent = Text(
+      'An unexpected error occurred:\n${error.toString()}',
+      style: Theme.of(context).textTheme.bodyMedium,
+    );
+
+    if (error is DioException) {
+      errorContent = Column(
+        crossAxisAlignment: CrossAxisAlignment.start,
+        mainAxisSize: MainAxisSize.min,
+        children: [
+          _buildFriendlyHeader(context, error),
+          const Divider(height: 30),
+          Text(
+            'Technical Details:',
+            style: Theme.of(
+              context,
+            ).textTheme.labelSmall?.copyWith(color: Colors.grey),
+          ),
+          const SizedBox(height: 8),
+          Container(
+            width: double.infinity,
+            padding: const EdgeInsets.all(12),
+            decoration: BoxDecoration(
+              color: Colors.black26,
+              borderRadius: BorderRadius.circular(8),
+            ),
+            child: SelectableText(
+              error.toDebugString(),
+              style: const TextStyle(
+                fontFamily: 'monospace',
+                fontSize: 11,
+                color: Colors.white70,
+              ),
+            ),
+          ),
+        ],
+      );
+    }
+
+    return Center(
+      child: Container(
+        constraints: const BoxConstraints(maxWidth: 600, minHeight: 200),
+        padding: const EdgeInsets.all(20),
+        margin: const EdgeInsets.all(20),
+        decoration: BoxDecoration(
+          color: Theme.of(context).colorScheme.surfaceContainer,
+          borderRadius: BorderRadius.circular(20),
+          border: Border.all(
+            color: Theme.of(context).colorScheme.error.withValues(alpha: 0.3),
+          ),
+        ),
+        child: SingleChildScrollView(
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              errorContent,
+              if (child != null)
+                Padding(
+                  padding: const EdgeInsets.only(top: 20),
+                  child: Align(alignment: Alignment.bottomRight, child: child),
+                ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildFriendlyHeader(BuildContext context, DioException error) {
+    return Row(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        const Icon(Icons.warning_rounded, color: Colors.redAccent, size: 28),
+        const SizedBox(width: 12),
+        Expanded(
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Text(
+                error.userMessage,
+                style: Theme.of(context).textTheme.titleMedium?.copyWith(
+                  color: Theme.of(context).colorScheme.onErrorContainer,
+                ),
+              ),
+              const SizedBox(height: 4),
+              Text(
+                'Request: ${error.requestOptions.method} ${error.requestOptions.uri.path}',
+                style: Theme.of(
+                  context,
+                ).textTheme.labelSmall?.copyWith(color: Colors.grey),
+                maxLines: 1,
+                overflow: TextOverflow.ellipsis,
+              ),
+            ],
+          ),
+        ),
+      ],
+    );
+  }
+}