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 +1,173 @@
+import 'dart:async';
+
+import 'package:flutter/material.dart';
+import 'package:flutter_screenutil/flutter_screenutil.dart';
+
+enum ToastType { info, success, error, warning }
+
+abstract final class AppToast {
+  static OverlayEntry? _current;
+
+  static void show(
+    BuildContext context,
+    String message, {
+    ToastType type = ToastType.info,
+    Duration duration = const Duration(seconds: 4),
+  }) {
+    _current?.remove();
+    _current = null;
+
+    final overlay = Overlay.of(context, rootOverlay: true);
+    late OverlayEntry entry;
+    entry = OverlayEntry(
+      builder: (_) => _ToastBanner(
+        message: message,
+        type: type,
+        duration: duration,
+        onDismiss: () {
+          entry.remove();
+          if (_current == entry) _current = null;
+        },
+      ),
+    );
+    _current = entry;
+    overlay.insert(entry);
+  }
+}
+
+class _ToastBanner extends StatefulWidget {
+  const _ToastBanner({
+    required this.message,
+    required this.type,
+    required this.duration,
+    required this.onDismiss,
+  });
+
+  final String message;
+  final ToastType type;
+  final Duration duration;
+  final VoidCallback onDismiss;
+
+  @override
+  State<_ToastBanner> createState() => _ToastBannerState();
+}
+
+class _ToastBannerState extends State<_ToastBanner>
+    with SingleTickerProviderStateMixin {
+  late final AnimationController _ctrl;
+  late final Animation<Offset> _slide;
+  late final Animation<double> _fade;
+  Timer? _timer;
+
+  @override
+  void initState() {
+    super.initState();
+    _ctrl = AnimationController(
+      vsync: this,
+      duration: const Duration(milliseconds: 280),
+    );
+    _slide = Tween<Offset>(
+      begin: const Offset(0, -1.2),
+      end: Offset.zero,
+    ).animate(CurvedAnimation(parent: _ctrl, curve: Curves.easeOutCubic));
+    _fade = CurvedAnimation(parent: _ctrl, curve: Curves.easeOut);
+
+    unawaited(_ctrl.forward());
+    _timer = Timer(widget.duration, _dismiss);
+  }
+
+  void _dismiss() {
+    _timer?.cancel();
+    unawaited(_ctrl.reverse().then((_) => widget.onDismiss()));
+  }
+
+  @override
+  void dispose() {
+    _timer?.cancel();
+    _ctrl.dispose();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final (accentColor, icon) = switch (widget.type) {
+      ToastType.success =>
+        (const Color(0xFF34C759), Icons.check_circle_outline_rounded),
+      ToastType.error =>
+        (const Color(0xFFFF3B30), Icons.error_outline_rounded),
+      ToastType.warning =>
+        (const Color(0xFFFF9F0A), Icons.warning_amber_rounded),
+      ToastType.info =>
+        (const Color(0xFF6B63D9), Icons.info_outline_rounded),
+    };
+
+    final topPadding = MediaQuery.of(context).padding.top;
+
+    return Positioned(
+      top: topPadding + 10.h,
+      left: 16.w,
+      right: 16.w,
+      child: SlideTransition(
+        position: _slide,
+        child: FadeTransition(
+          opacity: _fade,
+          child: Material(
+            elevation: 12,
+            shadowColor: Colors.black26,
+            borderRadius: BorderRadius.circular(14.r),
+            color: Colors.white,
+            child: ClipRRect(
+              borderRadius: BorderRadius.circular(14.r),
+              child: IntrinsicHeight(
+                child: Row(
+                  crossAxisAlignment: CrossAxisAlignment.stretch,
+                  children: [
+                    Container(width: 4.w, color: accentColor),
+                    Expanded(
+                      child: Padding(
+                        padding: EdgeInsets.symmetric(
+                          horizontal: 14.w,
+                          vertical: 13.h,
+                        ),
+                        child: Row(
+                          children: [
+                            Icon(icon, color: accentColor, size: 20.sp),
+                            SizedBox(width: 10.w),
+                            Expanded(
+                              child: Text(
+                                widget.message,
+                                style: TextStyle(
+                                  color: const Color(0xFF1C1C1E),
+                                  fontSize: 14.sp,
+                                  fontWeight: FontWeight.w500,
+                                  height: 1.4,
+                                ),
+                              ),
+                            ),
+                            SizedBox(width: 8.w),
+                            GestureDetector(
+                              onTap: _dismiss,
+                              behavior: HitTestBehavior.opaque,
+                              child: Padding(
+                                padding: EdgeInsets.all(4.w),
+                                child: Icon(
+                                  Icons.close_rounded,
+                                  color: const Color(0xFFAEAEB2),
+                                  size: 16.sp,
+                                ),
+                              ),
+                            ),
+                          ],
+                        ),
+                      ),
+                    ),
+                  ],
+                ),
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+}