refactor: 重构 EPMomentViewController，替换 UITableView 为 EPMomentListView

主要变更： 1. 移除 UITableView，改为使用 EPMomentListView 以简化数据展示和交互。 2. 添加顶部固定文案 UILabel，提升用户体验。 3. 通过 EPMomentAPIHelper 统一管理 Moments 列表 API 请求，优化数据加载逻辑。 4. 更新 UI 约束，确保布局适配不同屏幕。此重构旨在提升代码可维护性和用户界面的一致性。
2025-10-10 17:22:39 +08:00
parent 8b177e5fad
commit e8d59495a4
9 changed files with 396 additions and 588 deletions
--- a/YuMi/E-P/NewTabBar/EPTabBarController.swift
+++ b/YuMi/E-P/NewTabBar/EPTabBarController.swift
@@ -43,6 +43,9 @@ import SnapKit
        // 隐藏原生 TabBar
        self.tabBar.isHidden = true
        
+        // 设置 delegate 以完全控制切换行为
+        self.delegate = self
+        
        setupCustomFloatingTabBar()
        setupGlobalManagers()
        setupInitialViewControllers()
@@ -111,14 +114,12 @@ import SnapKit
            selectedImage: "tab_moment_on",
            tag: 0
        )
-        momentButton.isSelected = true
        
        let mineButton = createTabButton(
            normalImage: "tab_mine_off",
            selectedImage: "tab_mine_on",
            tag: 1
        )
-        mineButton.isSelected = true
        
        tabButtons = [momentButton, mineButton]
        
@@ -144,35 +145,35 @@ import SnapKit
    private func createTabButton(normalImage: String, selectedImage: String, tag: Int) -> UIButton {
        let button = UIButton(type: .custom)
        button.tag = tag
-        
-        // 存储图片名称到 button，方便后续切换
-        button.accessibilityLabel = normalImage
-        button.accessibilityHint = selectedImage
+        button.adjustsImageWhenHighlighted = false // 禁用高亮效果，避免闪烁
        
        // 尝试设置自定义图片，如果不存在则使用 SF Symbols
-        if let normalImg = UIImage(named: normalImage), let _ = UIImage(named: selectedImage) {
-            // 使用自定义图片（初始显示 off 图片）
+        if let normalImg = UIImage(named: normalImage), let selectedImg = UIImage(named: selectedImage) {
+            // 正确设置：分别为 normal 和 selected 状态设置图片
            button.setImage(normalImg, for: .normal)
+            button.setImage(selectedImg, for: .selected)
        } else {
            // 使用 SF Symbols 作为备用
            let fallbackIcons = ["sparkles", "person.circle"]
            let iconName = fallbackIcons[tag]
            let imageConfig = UIImage.SymbolConfiguration(pointSize: 24, weight: .medium)
+            let normalIcon = UIImage(systemName: iconName, withConfiguration: imageConfig)
            
-            button.setImage(UIImage(systemName: iconName, withConfiguration: imageConfig), for: .normal)
+            button.setImage(normalIcon, for: .normal)
+            button.setImage(normalIcon, for: .selected)
            button.tintColor = .white.withAlphaComponent(0.6)
        }
        
        // 图片渲染模式
        button.imageView?.contentMode = .scaleAspectFit
        
-        // 移除标题，只使用图片
+        // 移除标题
        button.setTitle(nil, for: .normal)
        button.setTitle(nil, for: .selected)
        
        // 设置图片大小约束
        button.imageView?.snp.makeConstraints { make in
-            make.size.equalTo(28) // 图标大小
+            make.size.equalTo(28)
        }
        
        button.addTarget(self, action: #selector(tabButtonTapped(_:)), for: .touchUpInside)
@@ -191,8 +192,10 @@ import SnapKit
        // 先更新按钮状态
        updateTabButtonStates(selectedIndex: newIndex)
        
-        // 再切换 ViewController（使用动画）
-        selectedIndex = newIndex
+        // 禁用 UITabBarController 的默认切换动画，避免闪烁
+        UIView.performWithoutAnimation {
+            selectedIndex = newIndex
+        }
        
        let tabNames = ["动态", "我的"]
        NSLog("[EPTabBarController] 选中 Tab: \(tabNames[newIndex])")
@@ -205,32 +208,23 @@ import SnapKit
        
        for (index, button) in tabButtons.enumerated() {
            let isSelected = (index == selectedIndex)
+            
+            // 直接设置 isSelected 属性即可，图片会自动切换
            button.isSelected = isSelected
            
-            // 更新图片状态
-            if let normalImageName = button.accessibilityLabel,
-               let selectedImageName = button.accessibilityHint {
-                // 使用自定义图片
-                let imageName = isSelected ? selectedImageName : normalImageName
-                if let image = UIImage(named: imageName) {
-                    button.setImage(image, for: .normal)
-                } else {
-                    // 如果自定义图片不存在，使用 SF Symbols
-                    button.tintColor = isSelected ? .white : .white.withAlphaComponent(0.6)
-                }
-            } else {
-                // 使用 SF Symbols（备用方案）
+            // SF Symbols 的情况需要手动更新 tintColor
+            if button.currentImage?.isSymbolImage == true {
                button.tintColor = isSelected ? .white : .white.withAlphaComponent(0.6)
            }
            
-            // 选中状态动画
-            UIView.animate(withDuration: 0.25, delay: 0, options: [.curveEaseInOut], animations: {
+            // 选中状态缩放动画
+            UIView.animate(withDuration: 0.2, delay: 0, options: [.curveEaseOut], animations: {
                button.transform = isSelected ? CGAffineTransform(scaleX: 1.1, y: 1.1) : .identity
-            }, completion: nil)
+            })
        }
        
-        // 延迟恢复按钮交互，避免动画期间的重复点击
-        DispatchQueue.main.asyncAfter(deadline: .now() + 0.3) {
+        // 延迟恢复按钮交互
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.25) {
            self.tabButtons.forEach { $0.isUserInteractionEnabled = true }
        }
    }
@@ -317,22 +311,34 @@ import SnapKit
           !(viewControllers?[0] is EPMomentViewController) ||
           !(viewControllers?[1] is EPMineViewController) {
            
-            // 创建真实的 ViewController（OC 类）
+            // 创建真实的 ViewController（OC 类），并使用导航控制器包裹以显示标题/右上按钮
            let momentVC = EPMomentViewController()
-            momentVC.tabBarItem = createTabBarItem(
+            momentVC.title = "动态"
+            let momentNav = UINavigationController(rootViewController: momentVC)
+            momentNav.navigationBar.isTranslucent = true
+            momentNav.navigationBar.setBackgroundImage(UIImage(), for: .default)
+            momentNav.navigationBar.shadowImage = UIImage()
+            momentNav.view.backgroundColor = .clear
+            momentNav.tabBarItem = createTabBarItem(
                title: "动态",
                normalImage: "tab_moment_normal",
                selectedImage: "tab_moment_selected"
            )
-            
+
            let mineVC = EPMineViewController()
-            mineVC.tabBarItem = createTabBarItem(
+            mineVC.title = "我的"
+            let mineNav = UINavigationController(rootViewController: mineVC)
+            mineNav.navigationBar.isTranslucent = true
+            mineNav.navigationBar.setBackgroundImage(UIImage(), for: .default)
+            mineNav.navigationBar.shadowImage = UIImage()
+            mineNav.view.backgroundColor = .clear
+            mineNav.tabBarItem = createTabBarItem(
                title: "我的",
                normalImage: "tab_mine_normal",
                selectedImage: "tab_mine_selected"
            )
            
-            viewControllers = [momentVC, mineVC]
+            viewControllers = [momentNav, mineNav]
            NSLog("[EPTabBarController] 登录后 ViewControllers 创建完成 - Moment & Mine")
        }
        
@@ -347,6 +353,21 @@ extension EPTabBarController: UITabBarControllerDelegate {
    override func tabBar(_ tabBar: UITabBar, didSelect item: UITabBarItem) {
        NSLog("[EPTabBarController] 选中 Tab: \(item.title ?? "Unknown")")
    }
+    
+    /// 禁用系统默认的切换动画
+    func tabBarController(_ tabBarController: UITabBarController, 
+                         animationControllerForTransitionFrom fromVC: UIViewController, 
+                         to toVC: UIViewController) -> UIViewControllerAnimatedTransitioning? {
+        // 返回 nil 表示不使用动画
+        return nil
+    }
+    
+    /// 完全控制是否允许切换
+    func tabBarController(_ tabBarController: UITabBarController, 
+                         shouldSelect viewController: UIViewController) -> Bool {
+        // 允许切换，但通过返回 nil 的 animationController 来禁用动画
+        return true
+    }
 }

 // MARK: - OC Compatibility