选择图片分享功能

2025-08-17 22:08:25 +08:00
parent e6afca5ba6
commit d80289fe73
19 changed files with 1402 additions and 110 deletions
--- a/Media/ui/MainView.swift
+++ b/Media/ui/MainView.swift
@@ -0,0 +1,124 @@
+import SwiftUI
+import UIKit
+
+// 1. 状态管理类 - 控制底部导航栏显示状态
+class TabBarState: ObservableObject {
+    @Published var isTabBarHidden = false // 控制底部导航栏是否隐藏
+}
+
+// 扩展状态管理类，提供便捷方法
+extension TabBarState {
+    func hideTabBar() { isTabBarHidden = true }
+    func showTabBar() { isTabBarHidden = false }
+    func toggleTabBar() { isTabBarHidden.toggle() }
+}
+
+// 2. 自定义TabBar控制器（支持全屏显示）
+class CustomTabBarController: UITabBarController {
+    var shouldHideTabBar: Bool = false {
+        didSet {
+            updateTabBarVisibility()
+        }
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        // 配置控制器支持全屏
+        edgesForExtendedLayout = .all // 允许内容延伸到导航栏/状态栏下方
+        extendedLayoutIncludesOpaqueBars = true // 包含不透明的导航栏
+        automaticallyAdjustsScrollViewInsets = false // 禁止自动调整滚动视图Insets
+    }
+    
+    private func updateTabBarVisibility() {
+        UIView.animate(withDuration: 0.3) {
+            self.tabBar.isHidden = self.shouldHideTabBar
+            // 调整安全区域：全屏时移除底部额外内边距
+            self.viewControllers?.forEach { vc in
+                vc.additionalSafeAreaInsets.bottom = self.shouldHideTabBar ? 0 : 0
+                // 强制子视图刷新布局
+                vc.view.setNeedsLayout()
+            }
+        }
+    }
+}
+
+// 3. SwiftUI与UIKit的桥接视图（支持全屏）
+struct TabBarContainerView: UIViewControllerRepresentable {
+    @Binding var isTabBarHidden: Bool
+    
+    init(isTabBarHidden: Binding<Bool>) {
+        self._isTabBarHidden = isTabBarHidden
+    }
+    
+    func makeCoordinator() -> Coordinator {
+        Coordinator(self)
+    }
+    
+    func makeUIViewController(context: Context) -> CustomTabBarController {
+        let tabBarController = CustomTabBarController()
+        
+        // 配置搜索标签页（添加全屏修饰符）
+        let searchView = SearchView()
+            .edgesIgnoringSafeArea(.all) // 忽略安全区域
+        
+        let searchVC = UIHostingController(rootView: searchView)
+        searchVC.tabBarItem = UITabBarItem(
+            title: "搜索",
+            image: UIImage(systemName: "magnifyingglass"),
+            tag: 0
+        )
+        searchVC.edgesForExtendedLayout = .all
+        
+        // 配置排行榜标签页（添加全屏修饰符）
+        let rankingsView = RankingsView()
+            .edgesIgnoringSafeArea(.all)
+        
+        let rankingsVC = UIHostingController(rootView: rankingsView)
+        rankingsVC.tabBarItem = UITabBarItem(
+            title: "排行榜",
+            image: UIImage(systemName: "chart.bar"),
+            tag: 1
+        )
+        rankingsVC.edgesForExtendedLayout = .all
+        
+        // 配置我的标签页（添加全屏修饰符）
+        let profileView = ProfileView()
+            .edgesIgnoringSafeArea(.all)
+        
+        let profileVC = UIHostingController(rootView: profileView)
+        profileVC.tabBarItem = UITabBarItem(
+            title: "我的",
+            image: UIImage(systemName: "person"),
+            tag: 2
+        )
+        profileVC.edgesForExtendedLayout = .all
+        
+        tabBarController.viewControllers = [searchVC, rankingsVC, profileVC]
+        return tabBarController
+    }
+    
+    func updateUIViewController(_ uiViewController: CustomTabBarController, context: Context) {
+        uiViewController.shouldHideTabBar = isTabBarHidden
+    }
+    
+    class Coordinator: NSObject {
+        var parent: TabBarContainerView
+        
+        init(_ parent: TabBarContainerView) {
+            self.parent = parent
+        }
+    }
+}
+
+// 4. 主视图（支持全屏）
+struct MainView: View {
+    @EnvironmentObject var tabState: TabBarState
+    
+    var body: some View {
+        TabBarContainerView(isTabBarHidden: $tabState.isTabBarHidden)
+            .navigationTitle("漫画列表")
+            .navigationBarTitleDisplayMode(.inline)
+            .toolbarBackground(.hidden, for: .navigationBar)
+            .edgesIgnoringSafeArea(.all) // 主视图忽略安全区域
+    }
+}