二次开发源码提交

2026-05-15 08:52:48 +08:00
parent 4131f7321a
commit eb35a1d067
191 changed files with 34566 additions and 0 deletions
@@ -0,0 +1,181 @@
+import 'package:flutter/material.dart';
+import 'dart:ui';
+
+/// 退出提示覆盖层
+class ExitHintOverlay {
+  OverlayEntry? _overlay;
+  AnimationController? _animationController;
+
+  /// 显示退出提示
+  void show(BuildContext context) {
+    remove();
+
+    _overlay = OverlayEntry(
+      builder: (overlayContext) => Positioned.fill(
+        child: Center(
+          child: Material(
+            color: Colors.transparent,
+            child: _ExitHintWidget(
+              onDismiss: remove,
+              onAnimationReady: (controller, fadeAnimation) {
+                _animationController = controller;
+                controller.forward();
+              },
+            ),
+          ),
+        ),
+      ),
+    );
+    Overlay.of(context).insert(_overlay!);
+  }
+
+  /// 移除退出提示
+  void remove() {
+    // 立即移除 overlay
+    _overlay?.remove();
+    _overlay = null;
+
+    // 停止动画
+    _animationController?.stop();
+
+    // 清理控制器引用
+    _animationController = null;
+  }
+}
+
+class _ExitHintWidget extends StatefulWidget {
+  final VoidCallback onDismiss;
+  final Function(AnimationController controller, Animation<double> fadeAnimation) onAnimationReady;
+
+  const _ExitHintWidget({
+    required this.onDismiss,
+    required this.onAnimationReady,
+  });
+
+  @override
+  State<_ExitHintWidget> createState() => _ExitHintWidgetState();
+}
+
+class _ExitHintWidgetState extends State<_ExitHintWidget>
+    with SingleTickerProviderStateMixin {
+  late AnimationController _controller;
+  late Animation<double> _fadeAnimation;
+
+  @override
+  void initState() {
+    super.initState();
+
+    _controller = AnimationController(
+      duration: const Duration(milliseconds: 300),
+      vsync: this,
+    );
+
+    _fadeAnimation = Tween<double>(
+      begin: 0.0,
+      end: 1.0,
+    ).animate(CurvedAnimation(
+      parent: _controller,
+      curve: Curves.easeOut,
+    ));
+
+    widget.onAnimationReady(_controller, _fadeAnimation);
+  }
+
+  @override
+  void dispose() {
+    _controller.stop();
+    super.dispose();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return AnimatedBuilder(
+      animation: _controller,
+      builder: (context, child) {
+        return FadeTransition(
+          opacity: _fadeAnimation,
+          child: child,
+        );
+      },
+      child: LayoutBuilder(
+        builder: (context, constraints) {
+          final screenWidth = constraints.maxWidth;
+          final cardWidth = screenWidth * 0.65;
+
+          return GestureDetector(
+            onTap: widget.onDismiss,
+            child: ClipRRect(
+              borderRadius: BorderRadius.circular(16),
+              child: BackdropFilter(
+                filter: ImageFilter.blur(sigmaX: 10, sigmaY: 10),
+                child: Container(
+                  padding: const EdgeInsets.symmetric(horizontal: 20, vertical: 14),
+                  decoration: BoxDecoration(
+                    color: theme.colorScheme.surface.withValues(alpha: 0.95),
+                    borderRadius: BorderRadius.circular(16),
+                    border: Border.all(
+                      color: theme.colorScheme.outline.withValues(alpha: 0.2),
+                      width: 1,
+                    ),
+                    boxShadow: [
+                      BoxShadow(
+                        color: Colors.black.withValues(alpha: 0.15),
+                        blurRadius: 16,
+                        offset: const Offset(0, 8),
+                      ),
+                    ],
+                  ),
+                  constraints: BoxConstraints(maxWidth: cardWidth),
+                  child: Row(
+                    mainAxisSize: MainAxisSize.min,
+                    children: [
+                      Container(
+                        padding: const EdgeInsets.all(10),
+                        decoration: BoxDecoration(
+                          color: theme.colorScheme.errorContainer.withValues(alpha: 0.15),
+                          borderRadius: BorderRadius.circular(10),
+                        ),
+                        child: Icon(
+                          Icons.touch_app_rounded,
+                          color: theme.colorScheme.error,
+                          size: 24,
+                        ),
+                      ),
+                      const SizedBox(width: 14),
+                      Flexible(
+                        child: Column(
+                          mainAxisSize: MainAxisSize.min,
+                          crossAxisAlignment: CrossAxisAlignment.start,
+                          children: [
+                            Text(
+                              '再次左滑退出应用',
+                              style: TextStyle(
+                                color: theme.colorScheme.onSurface,
+                                fontSize: 15,
+                                fontWeight: FontWeight.w600,
+                              ),
+                            ),
+                            const SizedBox(height: 3),
+                            Text(
+                              '点击屏幕任意位置取消',
+                              style: TextStyle(
+                                color: theme.colorScheme.onSurfaceVariant,
+                                fontSize: 12,
+                              ),
+                            ),
+                          ],
+                        ),
+                      ),
+                    ],
+                  ),
+                ),
+              ),
+            ),
+          );
+        },
+      ),
+    );
+  }
+}