chore: 初始化脚手架 — sunny_mochi 企业级 Flutter 模板

Core 基础设施：Flavor 三包体系、Drift+SQLCipher 加密数据库 7 拦截器 Dio 网络栈、CrashReporter 崩溃日志、Sealed Failure 错误体系 5 色板主题系统、Auth 认证骨架（Clean Architecture）、Dev Panel、Mock Adapter 通过验证：flutter analyze（0 errors）、flutter test（全绿）、staging APK 74.8MB
2026-05-14 12:51:05 +08:00
commit 61017f1c39
204 changed files with 15386 additions and 0 deletions
@@ -0,0 +1,44 @@
+import 'package:flutter/material.dart';
+
+/// 空状态占位视图。
+class EmptyView extends StatelessWidget {
+  const EmptyView({
+    super.key,
+    this.message = '暂无数据',
+    this.icon,
+    this.action,
+  });
+
+  final String message;
+  final Widget? icon;
+  final Widget? action;
+
+  @override
+  Widget build(BuildContext context) {
+    return Center(
+      child: Padding(
+        padding: const EdgeInsets.all(32),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          children: [
+            icon ??
+                Icon(
+                  Icons.inbox_outlined,
+                  size: 64,
+                  color: Theme.of(context).colorScheme.outlineVariant,
+                ),
+            const SizedBox(height: 16),
+            Text(
+              message,
+              style: Theme.of(context).textTheme.bodyMedium?.copyWith(
+                    color: Theme.of(context).colorScheme.outline,
+                  ),
+              textAlign: TextAlign.center,
+            ),
+            if (action != null) ...[const SizedBox(height: 24), action!],
+          ],
+        ),
+      ),
+    );
+  }
+}