应用改用 UIKit 重写，删除 SwiftUI 版本

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
拼写改为在空缺字母格内直接填字母，填完自动提交
2026-07-18 22:24:12 +08:00 · 2026-07-18 21:56:58 +08:00
24 changed files with 1148 additions and 743 deletions
@@ -7,19 +7,32 @@
 	objects = {

 /* Begin PBXFileReference section */
-		CF43E868300A7CFA00CB9AE3 /* LearnEnglish.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = LearnEnglish.app; sourceTree = BUILT_PRODUCTS_DIR; };
+		CF999C8C300BBDE3004D66A6 /* LearnEnglish.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = LearnEnglish.app; sourceTree = BUILT_PRODUCTS_DIR; };
 /* End PBXFileReference section */

+/* Begin PBXFileSystemSynchronizedBuildFileExceptionSet section */
+		CF999C9E300BBDE4004D66A6 /* Exceptions for "LearnEnglish" folder in "LearnEnglish" target */ = {
+			isa = PBXFileSystemSynchronizedBuildFileExceptionSet;
+			membershipExceptions = (
+				Info.plist,
+			);
+			target = CF999C8B300BBDE3004D66A6 /* LearnEnglish */;
+		};
+/* End PBXFileSystemSynchronizedBuildFileExceptionSet section */
+
 /* Begin PBXFileSystemSynchronizedRootGroup section */
-		CF43E86A300A7CFA00CB9AE3 /* LearnEnglish */ = {
+		CF999C8E300BBDE3004D66A6 /* LearnEnglish */ = {
 			isa = PBXFileSystemSynchronizedRootGroup;
+			exceptions = (
+				CF999C9E300BBDE4004D66A6 /* Exceptions for "LearnEnglish" folder in "LearnEnglish" target */,
+			);
 			path = LearnEnglish;
 			sourceTree = "<group>";
 		};
 /* End PBXFileSystemSynchronizedRootGroup section */

 /* Begin PBXFrameworksBuildPhase section */
-		CF43E865300A7CFA00CB9AE3 /* Frameworks */ = {
+		CF999C89300BBDE3004D66A6 /* Frameworks */ = {
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
@@ -29,18 +42,18 @@
 /* End PBXFrameworksBuildPhase section */

 /* Begin PBXGroup section */
-		CF43E85F300A7CFA00CB9AE3 = {
+		CF999C83300BBDE3004D66A6 = {
 			isa = PBXGroup;
 			children = (
-				CF43E86A300A7CFA00CB9AE3 /* LearnEnglish */,
-				CF43E869300A7CFA00CB9AE3 /* Products */,
+				CF999C8E300BBDE3004D66A6 /* LearnEnglish */,
+				CF999C8D300BBDE3004D66A6 /* Products */,
 			);
 			sourceTree = "<group>";
 		};
-		CF43E869300A7CFA00CB9AE3 /* Products */ = {
+		CF999C8D300BBDE3004D66A6 /* Products */ = {
 			isa = PBXGroup;
 			children = (
-				CF43E868300A7CFA00CB9AE3 /* LearnEnglish.app */,
+				CF999C8C300BBDE3004D66A6 /* LearnEnglish.app */,
 			);
 			name = Products;
 			sourceTree = "<group>";
@@ -48,64 +61,64 @@
 /* End PBXGroup section */

 /* Begin PBXNativeTarget section */
-		CF43E867300A7CFA00CB9AE3 /* LearnEnglish */ = {
+		CF999C8B300BBDE3004D66A6 /* LearnEnglish */ = {
 			isa = PBXNativeTarget;
-			buildConfigurationList = CF43E873300A7CFB00CB9AE3 /* Build configuration list for PBXNativeTarget "LearnEnglish" */;
+			buildConfigurationList = CF999C9F300BBDE4004D66A6 /* Build configuration list for PBXNativeTarget "LearnEnglish" */;
 			buildPhases = (
-				CF43E864300A7CFA00CB9AE3 /* Sources */,
-				CF43E865300A7CFA00CB9AE3 /* Frameworks */,
-				CF43E866300A7CFA00CB9AE3 /* Resources */,
+				CF999C88300BBDE3004D66A6 /* Sources */,
+				CF999C89300BBDE3004D66A6 /* Frameworks */,
+				CF999C8A300BBDE3004D66A6 /* Resources */,
 			);
 			buildRules = (
 			);
 			dependencies = (
 			);
 			fileSystemSynchronizedGroups = (
-				CF43E86A300A7CFA00CB9AE3 /* LearnEnglish */,
+				CF999C8E300BBDE3004D66A6 /* LearnEnglish */,
 			);
 			name = LearnEnglish;
 			packageProductDependencies = (
 			);
 			productName = LearnEnglish;
-			productReference = CF43E868300A7CFA00CB9AE3 /* LearnEnglish.app */;
+			productReference = CF999C8C300BBDE3004D66A6 /* LearnEnglish.app */;
 			productType = "com.apple.product-type.application";
 		};
 /* End PBXNativeTarget section */

 /* Begin PBXProject section */
-		CF43E860300A7CFA00CB9AE3 /* Project object */ = {
+		CF999C84300BBDE3004D66A6 /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
 				BuildIndependentTargetsInParallel = 1;
 				LastSwiftUpdateCheck = 2630;
 				LastUpgradeCheck = 2630;
 				TargetAttributes = {
-					CF43E867300A7CFA00CB9AE3 = {
+					CF999C8B300BBDE3004D66A6 = {
 						CreatedOnToolsVersion = 26.3;
 					};
 				};
 			};
-			buildConfigurationList = CF43E863300A7CFA00CB9AE3 /* Build configuration list for PBXProject "LearnEnglish" */;
+			buildConfigurationList = CF999C87300BBDE3004D66A6 /* Build configuration list for PBXProject "LearnEnglish" */;
 			developmentRegion = en;
 			hasScannedForEncodings = 0;
 			knownRegions = (
 				en,
 				Base,
 			);
-			mainGroup = CF43E85F300A7CFA00CB9AE3;
+			mainGroup = CF999C83300BBDE3004D66A6;
 			minimizedProjectReferenceProxies = 1;
 			preferredProjectObjectVersion = 77;
-			productRefGroup = CF43E869300A7CFA00CB9AE3 /* Products */;
+			productRefGroup = CF999C8D300BBDE3004D66A6 /* Products */;
 			projectDirPath = "";
 			projectRoot = "";
 			targets = (
-				CF43E867300A7CFA00CB9AE3 /* LearnEnglish */,
+				CF999C8B300BBDE3004D66A6 /* LearnEnglish */,
 			);
 		};
 /* End PBXProject section */

 /* Begin PBXResourcesBuildPhase section */
-		CF43E866300A7CFA00CB9AE3 /* Resources */ = {
+		CF999C8A300BBDE3004D66A6 /* Resources */ = {
 			isa = PBXResourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
@@ -115,7 +128,7 @@
 /* End PBXResourcesBuildPhase section */

 /* Begin PBXSourcesBuildPhase section */
-		CF43E864300A7CFA00CB9AE3 /* Sources */ = {
+		CF999C88300BBDE3004D66A6 /* Sources */ = {
 			isa = PBXSourcesBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
@@ -125,7 +138,71 @@
 /* End PBXSourcesBuildPhase section */

 /* Begin XCBuildConfiguration section */
-		CF43E871300A7CFB00CB9AE3 /* Debug */ = {
+		CF999CA0300BBDE4004D66A6 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = 37HGUEC495;
+				GENERATE_INFOPLIST_FILE = YES;
+				INFOPLIST_FILE = LearnEnglish/Info.plist;
+				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
+				INFOPLIST_KEY_UILaunchStoryboardName = LaunchScreen;
+				INFOPLIST_KEY_UISupportedInterfaceOrientations = UIInterfaceOrientationPortrait;
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown";
+				IPHONEOS_DEPLOYMENT_TARGET = 26;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				MARKETING_VERSION = 1.0.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.fishestlife.english;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				STRING_CATALOG_GENERATE_SYMBOLS = YES;
+				SWIFT_APPROACHABLE_CONCURRENCY = YES;
+				SWIFT_DEFAULT_ACTOR_ISOLATION = MainActor;
+				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_UPCOMING_FEATURE_MEMBER_IMPORT_VISIBILITY = YES;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Debug;
+		};
+		CF999CA1300BBDE4004D66A6 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
+				CODE_SIGN_STYLE = Automatic;
+				CURRENT_PROJECT_VERSION = 1;
+				DEVELOPMENT_TEAM = 37HGUEC495;
+				GENERATE_INFOPLIST_FILE = YES;
+				INFOPLIST_FILE = LearnEnglish/Info.plist;
+				INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents = YES;
+				INFOPLIST_KEY_UILaunchStoryboardName = LaunchScreen;
+				INFOPLIST_KEY_UISupportedInterfaceOrientations = UIInterfaceOrientationPortrait;
+				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown";
+				IPHONEOS_DEPLOYMENT_TARGET = 26;
+				LD_RUNPATH_SEARCH_PATHS = (
+					"$(inherited)",
+					"@executable_path/Frameworks",
+				);
+				MARKETING_VERSION = 1.0.0;
+				PRODUCT_BUNDLE_IDENTIFIER = com.fishestlife.english;
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				STRING_CATALOG_GENERATE_SYMBOLS = YES;
+				SWIFT_APPROACHABLE_CONCURRENCY = YES;
+				SWIFT_DEFAULT_ACTOR_ISOLATION = MainActor;
+				SWIFT_EMIT_LOC_STRINGS = YES;
+				SWIFT_UPCOMING_FEATURE_MEMBER_IMPORT_VISIBILITY = YES;
+				SWIFT_VERSION = 5.0;
+				TARGETED_DEVICE_FAMILY = "1,2";
+			};
+			name = Release;
+		};
+		CF999CA2300BBDE4004D66A6 /* Debug */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
@@ -178,16 +255,18 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 26.2;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
 				MTL_ENABLE_DEBUG_INFO = INCLUDE_SOURCE;
 				MTL_FAST_MATH = YES;
 				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = iphoneos;
 				SWIFT_ACTIVE_COMPILATION_CONDITIONS = "DEBUG $(inherited)";
 				SWIFT_OPTIMIZATION_LEVEL = "-Onone";
 			};
 			name = Debug;
 		};
-		CF43E872300A7CFB00CB9AE3 /* Release */ = {
+		CF999CA3300BBDE4004D66A6 /* Release */ = {
 			isa = XCBuildConfiguration;
 			buildSettings = {
 				ALWAYS_SEARCH_USER_PATHS = NO;
@@ -234,123 +313,38 @@
 				GCC_WARN_UNINITIALIZED_AUTOS = YES_AGGRESSIVE;
 				GCC_WARN_UNUSED_FUNCTION = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
+				IPHONEOS_DEPLOYMENT_TARGET = 26.2;
 				LOCALIZATION_PREFERS_STRING_CATALOGS = YES;
 				MTL_ENABLE_DEBUG_INFO = NO;
 				MTL_FAST_MATH = YES;
+				SDKROOT = iphoneos;
 				SWIFT_COMPILATION_MODE = wholemodule;
-			};
-			name = Release;
-		};
-		CF43E874300A7CFB00CB9AE3 /* Debug */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
-				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
-				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 1;
-				DEVELOPMENT_TEAM = 37HGUEC495;
-				ENABLE_APP_SANDBOX = YES;
-				ENABLE_HARDENED_RUNTIME = YES;
-				ENABLE_PREVIEWS = YES;
-				ENABLE_USER_SELECTED_FILES = readonly;
-				GENERATE_INFOPLIST_FILE = YES;
-				"INFOPLIST_KEY_UIApplicationSceneManifest_Generation[sdk=iphoneos*]" = YES;
-				"INFOPLIST_KEY_UIApplicationSceneManifest_Generation[sdk=iphonesimulator*]" = YES;
-				"INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents[sdk=iphoneos*]" = YES;
-				"INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents[sdk=iphonesimulator*]" = YES;
-				"INFOPLIST_KEY_UILaunchScreen_Generation[sdk=iphoneos*]" = YES;
-				"INFOPLIST_KEY_UILaunchScreen_Generation[sdk=iphonesimulator*]" = YES;
-				"INFOPLIST_KEY_UIStatusBarStyle[sdk=iphoneos*]" = UIStatusBarStyleDefault;
-				"INFOPLIST_KEY_UIStatusBarStyle[sdk=iphonesimulator*]" = UIStatusBarStyleDefault;
-				INFOPLIST_KEY_UISupportedInterfaceOrientations = UIInterfaceOrientationPortrait;
-				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown";
-				IPHONEOS_DEPLOYMENT_TARGET = 26;
-				LD_RUNPATH_SEARCH_PATHS = "@executable_path/Frameworks";
-				"LD_RUNPATH_SEARCH_PATHS[sdk=macosx*]" = "@executable_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 26;
-				MARKETING_VERSION = 1.0.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.fishestlife.english;
-				PRODUCT_NAME = "$(TARGET_NAME)";
-				REGISTER_APP_GROUPS = YES;
-				SDKROOT = auto;
-				STRING_CATALOG_GENERATE_SYMBOLS = YES;
-				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx xros xrsimulator";
-				SWIFT_APPROACHABLE_CONCURRENCY = YES;
-				SWIFT_DEFAULT_ACTOR_ISOLATION = MainActor;
-				SWIFT_EMIT_LOC_STRINGS = YES;
-				SWIFT_UPCOMING_FEATURE_MEMBER_IMPORT_VISIBILITY = YES;
-				SWIFT_VERSION = 5.0;
-				TARGETED_DEVICE_FAMILY = "1,2,7";
-				XROS_DEPLOYMENT_TARGET = 26;
-			};
-			name = Debug;
-		};
-		CF43E875300A7CFB00CB9AE3 /* Release */ = {
-			isa = XCBuildConfiguration;
-			buildSettings = {
-				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
-				ASSETCATALOG_COMPILER_GLOBAL_ACCENT_COLOR_NAME = AccentColor;
-				CODE_SIGN_STYLE = Automatic;
-				CURRENT_PROJECT_VERSION = 1;
-				DEVELOPMENT_TEAM = 37HGUEC495;
-				ENABLE_APP_SANDBOX = YES;
-				ENABLE_HARDENED_RUNTIME = YES;
-				ENABLE_PREVIEWS = YES;
-				ENABLE_USER_SELECTED_FILES = readonly;
-				GENERATE_INFOPLIST_FILE = YES;
-				"INFOPLIST_KEY_UIApplicationSceneManifest_Generation[sdk=iphoneos*]" = YES;
-				"INFOPLIST_KEY_UIApplicationSceneManifest_Generation[sdk=iphonesimulator*]" = YES;
-				"INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents[sdk=iphoneos*]" = YES;
-				"INFOPLIST_KEY_UIApplicationSupportsIndirectInputEvents[sdk=iphonesimulator*]" = YES;
-				"INFOPLIST_KEY_UILaunchScreen_Generation[sdk=iphoneos*]" = YES;
-				"INFOPLIST_KEY_UILaunchScreen_Generation[sdk=iphonesimulator*]" = YES;
-				"INFOPLIST_KEY_UIStatusBarStyle[sdk=iphoneos*]" = UIStatusBarStyleDefault;
-				"INFOPLIST_KEY_UIStatusBarStyle[sdk=iphonesimulator*]" = UIStatusBarStyleDefault;
-				INFOPLIST_KEY_UISupportedInterfaceOrientations = UIInterfaceOrientationPortrait;
-				INFOPLIST_KEY_UISupportedInterfaceOrientations_iPad = "UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown";
-				IPHONEOS_DEPLOYMENT_TARGET = 26;
-				LD_RUNPATH_SEARCH_PATHS = "@executable_path/Frameworks";
-				"LD_RUNPATH_SEARCH_PATHS[sdk=macosx*]" = "@executable_path/../Frameworks";
-				MACOSX_DEPLOYMENT_TARGET = 26;
-				MARKETING_VERSION = 1.0.0;
-				PRODUCT_BUNDLE_IDENTIFIER = com.fishestlife.english;
-				PRODUCT_NAME = "$(TARGET_NAME)";
-				REGISTER_APP_GROUPS = YES;
-				SDKROOT = auto;
-				STRING_CATALOG_GENERATE_SYMBOLS = YES;
-				SUPPORTED_PLATFORMS = "iphoneos iphonesimulator macosx xros xrsimulator";
-				SWIFT_APPROACHABLE_CONCURRENCY = YES;
-				SWIFT_DEFAULT_ACTOR_ISOLATION = MainActor;
-				SWIFT_EMIT_LOC_STRINGS = YES;
-				SWIFT_UPCOMING_FEATURE_MEMBER_IMPORT_VISIBILITY = YES;
-				SWIFT_VERSION = 5.0;
-				TARGETED_DEVICE_FAMILY = "1,2,7";
-				XROS_DEPLOYMENT_TARGET = 26;
+				VALIDATE_PRODUCT = YES;
 			};
 			name = Release;
 		};
 /* End XCBuildConfiguration section */

 /* Begin XCConfigurationList section */
-		CF43E863300A7CFA00CB9AE3 /* Build configuration list for PBXProject "LearnEnglish" */ = {
+		CF999C87300BBDE3004D66A6 /* Build configuration list for PBXProject "LearnEnglish" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
-				CF43E871300A7CFB00CB9AE3 /* Debug */,
-				CF43E872300A7CFB00CB9AE3 /* Release */,
+				CF999CA2300BBDE4004D66A6 /* Debug */,
+				CF999CA3300BBDE4004D66A6 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
-		CF43E873300A7CFB00CB9AE3 /* Build configuration list for PBXNativeTarget "LearnEnglish" */ = {
+		CF999C9F300BBDE4004D66A6 /* Build configuration list for PBXNativeTarget "LearnEnglish" */ = {
 			isa = XCConfigurationList;
 			buildConfigurations = (
-				CF43E874300A7CFB00CB9AE3 /* Debug */,
-				CF43E875300A7CFB00CB9AE3 /* Release */,
+				CF999CA0300BBDE4004D66A6 /* Debug */,
+				CF999CA1300BBDE4004D66A6 /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
 			defaultConfigurationName = Release;
 		};
 /* End XCConfigurationList section */
 	};
-	rootObject = CF43E860300A7CFA00CB9AE3 /* Project object */;
+	rootObject = CF999C84300BBDE3004D66A6 /* Project object */;
 }
@@ -0,0 +1,36 @@
+//
+//  AppDelegate.swift
+//  LearnEnglish
+//
+//  Created by fish on 2026/7/18.
+//
+
+import UIKit
+
+@main
+class AppDelegate: UIResponder, UIApplicationDelegate {
+
+
+
+    func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
+        // Override point for customization after application launch.
+        return true
+    }
+
+    // MARK: UISceneSession Lifecycle
+
+    func application(_ application: UIApplication, configurationForConnecting connectingSceneSession: UISceneSession, options: UIScene.ConnectionOptions) -> UISceneConfiguration {
+        // Called when a new scene session is being created.
+        // Use this method to select a configuration to create the new scene with.
+        return UISceneConfiguration(name: "Default Configuration", sessionRole: connectingSceneSession.role)
+    }
+
+    func application(_ application: UIApplication, didDiscardSceneSessions sceneSessions: Set<UISceneSession>) {
+        // Called when the user discards a scene session.
+        // If any sessions were discarded while the application was not running, this will be called shortly after application:didFinishLaunchingWithOptions.
+        // Use this method to release any resources that were specific to the discarded scenes, as they will not return.
+    }
+
+
+}
+
@@ -27,57 +27,6 @@
      "idiom" : "universal",
      "platform" : "ios",
      "size" : "1024x1024"
-    },
-    {
-      "idiom" : "mac",
-      "scale" : "1x",
-      "size" : "16x16"
-    },
-    {
-      "idiom" : "mac",
-      "scale" : "2x",
-      "size" : "16x16"
-    },
-    {
-      "idiom" : "mac",
-      "scale" : "1x",
-      "size" : "32x32"
-    },
-    {
-      "idiom" : "mac",
-      "scale" : "2x",
-      "size" : "32x32"
-    },
-    {
-      "idiom" : "mac",
-      "scale" : "1x",
-      "size" : "128x128"
-    },
-    {
-      "idiom" : "mac",
-      "scale" : "2x",
-      "size" : "128x128"
-    },
-    {
-      "idiom" : "mac",
-      "scale" : "1x",
-      "size" : "256x256"
-    },
-    {
-      "idiom" : "mac",
-      "scale" : "2x",
-      "size" : "256x256"
-    },
-    {
-      "idiom" : "mac",
-      "scale" : "1x",
-      "size" : "512x512"
-    },
-    {
-      "filename" : "logo 3.png",
-      "idiom" : "mac",
-      "scale" : "2x",
-      "size" : "512x512"
    }
  ],
  "info" : {
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="13122.16" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" useSafeAreas="YES" colorMatched="YES" initialViewController="01J-lp-oVM">
+    <dependencies>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="13104.12"/>
+        <capability name="Safe area layout guides" minToolsVersion="9.0"/>
+        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
+    </dependencies>
+    <scenes>
+        <!--View Controller-->
+        <scene sceneID="EHf-IW-A2E">
+            <objects>
+                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
+                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
+                        <rect key="frame" x="0.0" y="0.0" width="375" height="667"/>
+                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
+                        <color key="backgroundColor" xcode11CocoaTouchSystemColor="systemBackgroundColor" cocoaTouchSystemColor="whiteColor"/>
+                        <viewLayoutGuide key="safeArea" id="6Tk-OE-BBY"/>
+                    </view>
+                </viewController>
+                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
+            </objects>
+            <point key="canvasLocation" x="53" y="375"/>
+        </scene>
+    </scenes>
+</document>
@@ -1,26 +0,0 @@
-import SwiftUI
-
-struct ContentView: View {
-    @State private var store = WordStore()
-    @State private var speech = SpeechService()
-
-    var body: some View {
-        Group {
-            if let error = store.loadError {
-                ContentUnavailableView(
-                    "词库加载失败",
-                    systemImage: "exclamationmark.triangle",
-                    description: Text(error)
-                )
-            } else {
-                CategoryListView(categories: store.categories)
-            }
-        }
-        .environment(speech)
-        .onAppear { store.load() }
-    }
-}
-
-#Preview {
-    ContentView()
-}
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>UIApplicationSceneManifest</key>
+	<dict>
+		<key>UIApplicationSupportsMultipleScenes</key>
+		<false/>
+		<key>UISceneConfigurations</key>
+		<dict>
+			<key>UIWindowSceneSessionRoleApplication</key>
+			<array>
+				<dict>
+					<key>UISceneConfigurationName</key>
+					<string>Default Configuration</string>
+					<key>UISceneDelegateClassName</key>
+					<string>$(PRODUCT_MODULE_NAME).SceneDelegate</string>
+				</dict>
+			</array>
+		</dict>
+	</dict>
+</dict>
+</plist>
@@ -1,17 +0,0 @@
-//
-//  LearnEnglishApp.swift
-//  LearnEnglish
-//
-//  Created by fish on 2026/7/17.
-//
-
-import SwiftUI
-
-@main
-struct LearnEnglishApp: App {
-    var body: some Scene {
-        WindowGroup {
-            ContentView()
-        }
-    }
-}
@@ -1,8 +0,0 @@
-import Foundation
-
-enum AppRoute: Hashable {
-    case category(WordCategory)
-    case word(Word)
-    case quizSetup(QuizSetupRequest)
-    case quiz(QuizConfig)
-}
@@ -0,0 +1,22 @@
+//
+//  SceneDelegate.swift
+//  LearnEnglish
+//
+
+import UIKit
+
+class SceneDelegate: UIResponder, UIWindowSceneDelegate {
+
+    var window: UIWindow?
+
+    func scene(_ scene: UIScene, willConnectTo session: UISceneSession, options connectionOptions: UIScene.ConnectionOptions) {
+        guard let windowScene = scene as? UIWindowScene else { return }
+        let window = UIWindow(windowScene: windowScene)
+        let store = WordStore()
+        store.load()
+        let root = CategoryListViewController(store: store)
+        window.rootViewController = UINavigationController(rootViewController: root)
+        window.makeKeyAndVisible()
+        self.window = window
+    }
+}
@@ -1,9 +1,11 @@
 import AVFoundation

-@Observable
 final class SpeechService: NSObject {
+    static let shared = SpeechService()
+
    private let synthesizer = AVSpeechSynthesizer()
    private(set) var speakingText: String?
+    var onSpeakingChanged: (() -> Void)?

    override init() {
        super.init()
@@ -18,6 +20,7 @@ final class SpeechService: NSObject {
        utterance.voice = AVSpeechSynthesisVoice(language: "en-US")
        utterance.rate = AVSpeechUtteranceDefaultSpeechRate * 0.9
        speakingText = text
+        onSpeakingChanged?()
        synthesizer.speak(utterance)
    }
 }
@@ -25,9 +28,11 @@ final class SpeechService: NSObject {
 extension SpeechService: AVSpeechSynthesizerDelegate {
    func speechSynthesizer(_ synthesizer: AVSpeechSynthesizer, didFinish utterance: AVSpeechUtterance) {
        speakingText = nil
+        onSpeakingChanged?()
    }

    func speechSynthesizer(_ synthesizer: AVSpeechSynthesizer, didCancel utterance: AVSpeechUtterance) {
        speakingText = nil
+        onSpeakingChanged?()
    }
 }
@@ -12,7 +12,6 @@ enum WordStoreError: Error, LocalizedError {
    }
 }

-@Observable
 final class WordStore {
    private(set) var bank: WordBank?
    private(set) var loadError: String?
@@ -1,51 +0,0 @@
-import SwiftUI
-
-struct CategoryListView: View {
-    let categories: [WordCategory]
-    @State private var path: [AppRoute] = []
-
-    var body: some View {
-        NavigationStack(path: $path) {
-            List(categories) { category in
-                NavigationLink(value: AppRoute.category(category)) {
-                    HStack(spacing: 16) {
-                        Image(systemName: category.icon)
-                            .font(.title2)
-                            .foregroundStyle(.white)
-                            .frame(width: 44, height: 44)
-                            .background(.tint, in: RoundedRectangle(cornerRadius: 10))
-                        VStack(alignment: .leading, spacing: 4) {
-                            Text(category.name)
-                                .font(.headline)
-                            Text("\(category.words.count) 个单词")
-                                .font(.subheadline)
-                                .foregroundStyle(.secondary)
-                        }
-                    }
-                    .padding(.vertical, 4)
-                }
-            }
-            .navigationTitle("单词分类")
-            .navigationDestination(for: AppRoute.self) { route in
-                switch route {
-                case .category(let category):
-                    WordListView(category: category) { path.append($0) }
-                case .word(let word):
-                    WordDetailView(word: word)
-                case .quizSetup(let request):
-                    QuizSetupView(request: request)
-                case .quiz(let config):
-                    QuizView(config: config)
-                }
-            }
-        }
-    }
-}
-
-#Preview {
-    CategoryListView(categories: [
-        WordCategory(id: "colors", name: "颜色", icon: "paintpalette.fill", words: [
-            Word(word: "red", phonetic: "/red/", meaning: "红色", example: "The apple is red.", exampleMeaning: "苹果是红色的。")
-        ])
-    ])
-}
@@ -0,0 +1,66 @@
+import UIKit
+
+final class CategoryListViewController: UITableViewController {
+    private let store: WordStore
+
+    init(store: WordStore) {
+        self.store = store
+        super.init(style: .plain)
+    }
+
+    @available(*, unavailable)
+    required init?(coder: NSCoder) { fatalError() }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        title = "单词分类"
+        tableView.register(UITableViewCell.self, forCellReuseIdentifier: "cell")
+        if let error = store.loadError {
+            showError(error)
+        }
+    }
+
+    private func showError(_ message: String) {
+        let label = UILabel()
+        label.text = "词库加载失败\n\(message)"
+        label.numberOfLines = 0
+        label.textAlignment = .center
+        label.textColor = .secondaryLabel
+        let background = UIView()
+        background.addSubview(label)
+        label.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            label.centerXAnchor.constraint(equalTo: background.centerXAnchor),
+            label.centerYAnchor.constraint(equalTo: background.centerYAnchor),
+            label.leadingAnchor.constraint(greaterThanOrEqualTo: background.leadingAnchor, constant: 24)
+        ])
+        tableView.backgroundView = background
+        tableView.separatorStyle = .none
+    }
+
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        store.categories.count
+    }
+
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let category = store.categories[indexPath.row]
+        let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath)
+        var content = cell.defaultContentConfiguration()
+        content.text = category.name
+        content.textProperties.font = .preferredFont(forTextStyle: .headline)
+        content.secondaryText = "\(category.words.count) 个单词"
+        content.secondaryTextProperties.color = .secondaryLabel
+        content.image = UIImage(systemName: category.icon)
+        content.imageProperties.tintColor = .tintColor
+        content.imageProperties.preferredSymbolConfiguration = .init(font: .preferredFont(forTextStyle: .title2))
+        cell.contentConfiguration = content
+        cell.accessoryType = .disclosureIndicator
+        return cell
+    }
+
+    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        tableView.deselectRow(at: indexPath, animated: true)
+        let category = store.categories[indexPath.row]
+        navigationController?.pushViewController(WordListViewController(category: category), animated: true)
+    }
+}
@@ -1,11 +1,12 @@
-import SwiftUI
+import UIKit

-struct QuizResultView: View {
-    let total: Int
-    let wrongWords: [Word]
-    let duration: TimeInterval
-    let onRestart: () -> Void
-    let onExit: () -> Void
+final class QuizResultView: UIView {
+    private let total: Int
+    private let wrongWords: [Word]
+    private let duration: TimeInterval
+    private let onRestart: () -> Void
+    private let onExit: () -> Void
+    private let onSelectWord: (Word) -> Void

    private var correctCount: Int { total - wrongWords.count }

@@ -14,57 +15,140 @@ struct QuizResultView: View {
        return seconds >= 60 ? "\(seconds / 60) 分 \(seconds % 60) 秒" : "\(seconds) 秒"
    }

-    var body: some View {
-        List {
-            Section {
-                VStack(spacing: 8) {
-                    Text("\(correctCount) / \(total)")
-                        .font(.system(size: 44, weight: .bold))
-                    Text("用时 \(durationText)")
-                        .font(.subheadline)
-                        .foregroundStyle(.secondary)
-                }
-                .frame(maxWidth: .infinity)
-                .padding(.vertical, 16)
+    init(total: Int, wrongWords: [Word], duration: TimeInterval,
+         onRestart: @escaping () -> Void, onExit: @escaping () -> Void,
+         onSelectWord: @escaping (Word) -> Void) {
+        self.total = total
+        self.wrongWords = wrongWords
+        self.duration = duration
+        self.onRestart = onRestart
+        self.onExit = onExit
+        self.onSelectWord = onSelectWord
+        super.init(frame: .zero)
+        backgroundColor = .systemBackground
+        buildLayout()
    }

+    @available(*, unavailable)
+    required init?(coder: NSCoder) { fatalError() }
+
+    private func buildLayout() {
+        let scrollView = UIScrollView()
+        addSubview(scrollView)
+        scrollView.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            scrollView.topAnchor.constraint(equalTo: safeAreaLayoutGuide.topAnchor),
+            scrollView.leadingAnchor.constraint(equalTo: leadingAnchor),
+            scrollView.trailingAnchor.constraint(equalTo: trailingAnchor),
+            scrollView.bottomAnchor.constraint(equalTo: bottomAnchor)
+        ])
+
+        let stack = UIStackView()
+        stack.axis = .vertical
+        stack.spacing = 24
+        scrollView.addSubview(stack)
+        stack.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            stack.topAnchor.constraint(equalTo: scrollView.contentLayoutGuide.topAnchor, constant: 24),
+            stack.leadingAnchor.constraint(equalTo: scrollView.contentLayoutGuide.leadingAnchor, constant: 16),
+            stack.trailingAnchor.constraint(equalTo: scrollView.contentLayoutGuide.trailingAnchor, constant: -16),
+            stack.bottomAnchor.constraint(equalTo: scrollView.contentLayoutGuide.bottomAnchor, constant: -24),
+            stack.widthAnchor.constraint(equalTo: scrollView.frameLayoutGuide.widthAnchor, constant: -32)
+        ])
+
+        let scoreLabel = UILabel()
+        scoreLabel.text = "\(correctCount) / \(total)"
+        scoreLabel.font = .systemFont(ofSize: 44, weight: .bold)
+        scoreLabel.textAlignment = .center
+
+        let durationLabel = UILabel()
+        durationLabel.text = "用时 \(durationText)"
+        durationLabel.font = .preferredFont(forTextStyle: .subheadline)
+        durationLabel.textColor = .secondaryLabel
+        durationLabel.textAlignment = .center
+
+        let scoreStack = UIStackView(arrangedSubviews: [scoreLabel, durationLabel])
+        scoreStack.axis = .vertical
+        scoreStack.spacing = 8
+        stack.addArrangedSubview(scoreStack)
+
        if !wrongWords.isEmpty {
-                Section("错题（\(wrongWords.count)）") {
-                    ForEach(wrongWords) { word in
-                        NavigationLink(value: AppRoute.word(word)) {
-                            HStack {
-                                Text(word.word)
-                                    .font(.headline)
-                                Spacer()
-                                Text(word.meaning)
-                                    .foregroundStyle(.secondary)
-                            }
-                        }
-                    }
-                }
+            stack.addArrangedSubview(makeWrongWordsSection())
        }

-            Section {
-                Button("再来一轮", action: onRestart)
-                    .frame(maxWidth: .infinity)
-                Button("返回", action: onExit)
-                    .frame(maxWidth: .infinity)
-                    .foregroundStyle(.secondary)
-            }
+        let restartButton = makeButton(title: "再来一轮", prominent: true) { [weak self] in
+            self?.onRestart()
        }
+        let exitButton = makeButton(title: "返回", prominent: false) { [weak self] in
+            self?.onExit()
        }
+        let buttonStack = UIStackView(arrangedSubviews: [restartButton, exitButton])
+        buttonStack.axis = .vertical
+        buttonStack.spacing = 12
+        stack.addArrangedSubview(buttonStack)
    }

-#Preview {
-    NavigationStack {
-        QuizResultView(
-            total: 10,
-            wrongWords: [
-                Word(word: "red", phonetic: "/red/", meaning: "红色", example: "The apple is red.", exampleMeaning: "苹果是红色的。")
-            ],
-            duration: 75,
-            onRestart: {},
-            onExit: {}
-        )
+    private func makeWrongWordsSection() -> UIView {
+        let titleLabel = UILabel()
+        titleLabel.text = "错题（\(wrongWords.count)）"
+        titleLabel.font = .preferredFont(forTextStyle: .headline)
+
+        let section = UIStackView(arrangedSubviews: [titleLabel])
+        section.axis = .vertical
+        section.spacing = 8
+
+        for word in wrongWords {
+            let button = UIButton(type: .system)
+            var config = UIButton.Configuration.plain()
+            config.contentInsets = .init(top: 8, leading: 12, bottom: 8, trailing: 12)
+            button.configuration = config
+            button.contentHorizontalAlignment = .fill
+
+            let wordLabel = UILabel()
+            wordLabel.text = word.word
+            wordLabel.font = .preferredFont(forTextStyle: .headline)
+            let meaningLabel = UILabel()
+            meaningLabel.text = word.meaning
+            meaningLabel.textColor = .secondaryLabel
+            let chevron = UIImageView(image: UIImage(systemName: "chevron.right"))
+            chevron.tintColor = .tertiaryLabel
+            chevron.setContentHuggingPriority(.required, for: .horizontal)
+
+            let row = UIStackView(arrangedSubviews: [wordLabel, UIView(), meaningLabel, chevron])
+            row.axis = .horizontal
+            row.alignment = .center
+            row.spacing = 8
+            row.isUserInteractionEnabled = false
+            button.addSubview(row)
+            row.translatesAutoresizingMaskIntoConstraints = false
+            NSLayoutConstraint.activate([
+                row.topAnchor.constraint(equalTo: button.topAnchor, constant: 8),
+                row.leadingAnchor.constraint(equalTo: button.leadingAnchor, constant: 12),
+                row.trailingAnchor.constraint(equalTo: button.trailingAnchor, constant: -12),
+                row.bottomAnchor.constraint(equalTo: button.bottomAnchor, constant: -8)
+            ])
+
+            button.addAction(UIAction { [weak self] _ in
+                self?.onSelectWord(word)
+            }, for: .touchUpInside)
+            section.addArrangedSubview(button)
+
+            let divider = UIView()
+            divider.backgroundColor = .separator
+            divider.translatesAutoresizingMaskIntoConstraints = false
+            divider.heightAnchor.constraint(equalToConstant: 1.0 / UIScreen.main.scale).isActive = true
+            section.addArrangedSubview(divider)
+        }
+        return section
+    }
+
+    private func makeButton(title: String, prominent: Bool, action: @escaping () -> Void) -> UIButton {
+        let button = UIButton(type: .system)
+        var config = prominent ? UIButton.Configuration.borderedProminent() : UIButton.Configuration.plain()
+        config.title = title
+        config.contentInsets = .init(top: 12, leading: 16, bottom: 12, trailing: 16)
+        button.configuration = config
+        button.addAction(UIAction { _ in action() }, for: .touchUpInside)
+        return button
    }
 }
@@ -1,39 +0,0 @@
-import SwiftUI
-
-struct QuizSetupView: View {
-    let request: QuizSetupRequest
-
-    var body: some View {
-        List {
-            NavigationLink(value: AppRoute.quiz(QuizConfig(mode: request.mode, words: request.words))) {
-                VStack(alignment: .leading, spacing: 4) {
-                    Text("全部随机测试")
-                        .font(.headline)
-                    Text("\(request.words.count) 题")
-                        .font(.subheadline)
-                        .foregroundStyle(.secondary)
-                }
-                .padding(.vertical, 4)
-            }
-            NavigationLink(value: AppRoute.quiz(QuizConfig(mode: request.mode, words: Array(request.words.shuffled().prefix(10))))) {
-                VStack(alignment: .leading, spacing: 4) {
-                    Text("随机十个")
-                        .font(.headline)
-                    Text("从词库中随机抽取 10 题")
-                        .font(.subheadline)
-                        .foregroundStyle(.secondary)
-                }
-                .padding(.vertical, 4)
-            }
-        }
-        .navigationTitle(request.mode.rawValue)
-    }
-}
-
-#Preview {
-    NavigationStack {
-        QuizSetupView(request: QuizSetupRequest(mode: .enToZh, words: [
-            Word(word: "red", phonetic: "/red/", meaning: "红色", example: "The apple is red.", exampleMeaning: "苹果是红色的。")
-        ]))
-    }
-}
@@ -0,0 +1,44 @@
+import UIKit
+
+final class QuizSetupViewController: UITableViewController {
+    private let request: QuizSetupRequest
+
+    init(request: QuizSetupRequest) {
+        self.request = request
+        super.init(style: .plain)
+    }
+
+    @available(*, unavailable)
+    required init?(coder: NSCoder) { fatalError() }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        title = request.mode.rawValue
+        tableView.register(UITableViewCell.self, forCellReuseIdentifier: "cell")
+    }
+
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int { 2 }
+
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath)
+        var content = cell.defaultContentConfiguration()
+        content.textProperties.font = .preferredFont(forTextStyle: .headline)
+        content.secondaryTextProperties.color = .secondaryLabel
+        if indexPath.row == 0 {
+            content.text = "全部随机测试"
+            content.secondaryText = "\(request.words.count) 题"
+        } else {
+            content.text = "随机十个"
+            content.secondaryText = "从词库中随机抽取 10 题"
+        }
+        cell.contentConfiguration = content
+        cell.accessoryType = .disclosureIndicator
+        return cell
+    }
+
+    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        tableView.deselectRow(at: indexPath, animated: true)
+        let words = indexPath.row == 0 ? request.words : Array(request.words.shuffled().prefix(10))
+        navigationController?.pushViewController(QuizViewController(config: QuizConfig(mode: request.mode, words: words)), animated: true)
+    }
+}
@@ -1,242 +0,0 @@
-import SwiftUI
-
-struct QuizView: View {
-    let config: QuizConfig
-
-    @Environment(SpeechService.self) private var speech
-    @Environment(\.dismiss) private var dismiss
-
-    @State private var questions: [QuizQuestion]
-    @State private var currentIndex = 0
-    @State private var selectedOption: String?
-    @State private var userInput = ""
-    @State private var wrongWords: [Word] = []
-    @State private var finished = false
-    @State private var startDate = Date.now
-
-    init(config: QuizConfig) {
-        self.config = config
-        _questions = State(initialValue: QuizGenerator.makeQuestions(mode: config.mode, words: config.words))
-    }
-
-    private var current: QuizQuestion? {
-        questions.indices.contains(currentIndex) ? questions[currentIndex] : nil
-    }
-
-    var body: some View {
-        Group {
-            if finished {
-                QuizResultView(
-                    total: questions.count,
-                    wrongWords: wrongWords,
-                    duration: Date.now.timeIntervalSince(startDate),
-                    onRestart: restart,
-                    onExit: { dismiss() }
-                )
-            } else if let question = current {
-                questionView(question)
-            }
-        }
-        .navigationTitle(config.mode.rawValue)
-        .navigationBarTitleDisplayMode(.inline)
-    }
-
-    private func questionView(_ question: QuizQuestion) -> some View {
-        VStack(spacing: 24) {
-            VStack(spacing: 8) {
-                ProgressView(value: Double(currentIndex), total: Double(questions.count))
-                Text("第 \(currentIndex + 1) / \(questions.count) 题")
-                    .font(.caption)
-                    .foregroundStyle(.secondary)
-            }
-
-            VStack(spacing: 12) {
-                Text(question.prompt)
-                    .font(.system(size: config.mode == .enToZh ? 44 : 34, weight: .bold))
-                if config.mode == .enToZh {
-                    Text(question.word.phonetic)
-                        .font(.title3)
-                        .foregroundStyle(.secondary)
-                    Button {
-                        speech.speak(question.prompt)
-                    } label: {
-                        Image(systemName: "speaker.wave.2.fill")
-                            .font(.title2)
-                    }
-                }
-            }
-            .frame(maxWidth: .infinity)
-            .padding(.vertical, 24)
-
-            if config.mode == .spelling {
-                spellingView(question)
-            } else {
-                optionsView(question)
-            }
-
-            if let selectedOption {
-                VStack(spacing: 12) {
-                    if config.mode == .spelling {
-                        Text(selectedOption == question.answer ? "正确" : "正确答案：\(question.answer)")
-                            .font(.title2.weight(.bold))
-                            .foregroundStyle(selectedOption == question.answer ? .green : .red)
-                        Text(question.word.phonetic)
-                            .font(.subheadline)
-                            .foregroundStyle(.secondary)
-                    } else {
-                        Text(selectedOption == question.answer ? "回答正确" : "正确答案：\(question.answer)")
-                            .font(.headline)
-                            .foregroundStyle(selectedOption == question.answer ? .green : .red)
-                    }
-                    Button {
-                        next()
-                    } label: {
-                        Text(currentIndex + 1 < questions.count ? "下一题" : "查看成绩")
-                            .frame(maxWidth: .infinity)
-                            .frame(height: 44)
-                    }
-                    .buttonStyle(.borderedProminent)
-                    .font(.headline)
-                }
-            }
-
-            Spacer()
-        }
-        .padding()
-    }
-
-    private func optionsView(_ question: QuizQuestion) -> some View {
-        VStack(spacing: 12) {
-            ForEach(question.options, id: \.self) { option in
-                Button {
-                    select(option, for: question)
-                } label: {
-                    VStack(spacing: 4) {
-                        Text(option)
-                            .font(.headline)
-                        if config.mode == .zhToEn, let w = config.words.first(where: { $0.word == option }) {
-                            Text(w.phonetic)
-                                .font(.caption)
-                                .foregroundStyle(.secondary)
-                        }
-                    }
-                    .frame(maxWidth: .infinity)
-                    .padding(.vertical, 10)
-                }
-                .buttonStyle(.bordered)
-                .tint(optionColor(option, for: question))
-                .disabled(selectedOption != nil)
-            }
-        }
-    }
-
-    private func spellingView(_ question: QuizQuestion) -> some View {
-        VStack(spacing: 24) {
-            Text(question.prompt)
-                .font(.title.weight(.medium))
-                .foregroundStyle(.secondary)
-
-            VStack(spacing: 8) {
-                HStack(spacing: 6) {
-                    ForEach(Array(question.blankedWord.enumerated()), id: \.offset) { i, ch in
-                        ZStack {
-                            RoundedRectangle(cornerRadius: 8)
-                                .fill(.quaternary.opacity(0.15))
-                                .frame(width: 36, height: 44)
-                            RoundedRectangle(cornerRadius: 8)
-                                .stroke(.quaternary, lineWidth: 1)
-                                .frame(width: 36, height: 44)
-                            if ch == "_" {
-                                Rectangle()
-                                    .fill(.secondary.opacity(0.5))
-                                    .frame(width: 16, height: 2)
-                                    .offset(y: 12)
-                            } else {
-                                Text(ch.uppercased())
-                                    .font(.title2.weight(.bold))
-                            }
-                        }
-                    }
-                }
-
-                Text("\(question.word.word.count) 个字母，填写完整单词")
-                    .font(.caption)
-                    .foregroundStyle(.tertiary)
-            }
-
-            TextField("在此输入完整单词", text: $userInput)
-                .font(.body)
-                .autocapitalization(.none)
-                .disableAutocorrection(true)
-                .disabled(selectedOption != nil)
-                .padding(.horizontal, 16)
-                .padding(.vertical, 14)
-                .background(.quaternary.opacity(0.2), in: RoundedRectangle(cornerRadius: 12))
-                .overlay(
-                    RoundedRectangle(cornerRadius: 12)
-                        .stroke(.quaternary, lineWidth: 1)
-                )
-
-            Button("确认") {
-                let answer = userInput.trimmingCharacters(in: .whitespaces).lowercased()
-                guard !answer.isEmpty else { return }
-                selectedOption = answer
-                if answer != question.answer {
-                    wrongWords.append(question.word)
-                }
-            }
-            .buttonStyle(.borderedProminent)
-            .font(.headline)
-            .frame(maxWidth: .infinity)
-            .frame(height: 44)
-            .disabled(userInput.trimmingCharacters(in: .whitespaces).isEmpty || selectedOption != nil)
-        }
-    }
-
-    private func optionColor(_ option: String, for question: QuizQuestion) -> Color {
-        guard let selectedOption else { return .accentColor }
-        if option == question.answer { return .green }
-        if option == selectedOption { return .red }
-        return .gray
-    }
-
-    private func select(_ option: String, for question: QuizQuestion) {
-        guard selectedOption == nil else { return }
-        selectedOption = option
-        if option != question.answer {
-            wrongWords.append(question.word)
-        }
-    }
-
-    private func next() {
-        if currentIndex + 1 < questions.count {
-            currentIndex += 1
-            selectedOption = nil
-            userInput = ""
-        } else {
-            finished = true
-        }
-    }
-
-    private func restart() {
-        questions = QuizGenerator.makeQuestions(mode: config.mode, words: config.words)
-        currentIndex = 0
-        selectedOption = nil
-        userInput = ""
-        wrongWords = []
-        finished = false
-        startDate = .now
-    }
-}
-
-#Preview {
-    NavigationStack {
-        QuizView(config: QuizConfig(mode: .enToZh, words: [
-            Word(word: "red", phonetic: "/red/", meaning: "红色", example: "The apple is red.", exampleMeaning: "苹果是红色的。"),
-            Word(word: "blue", phonetic: "/bluː/", meaning: "蓝色", example: "The sky is blue.", exampleMeaning: "天空是蓝色的。"),
-            Word(word: "green", phonetic: "/ɡriːn/", meaning: "绿色", example: "The grass is green.", exampleMeaning: "草地是绿色的。"),
-            Word(word: "yellow", phonetic: "/ˈjeloʊ/", meaning: "黄色", example: "The banana is yellow.", exampleMeaning: "香蕉是黄色的。")
-        ]))
-        .environment(SpeechService())
-    }
-}
@@ -0,0 +1,273 @@
+import UIKit
+
+final class QuizViewController: UIViewController {
+    private let config: QuizConfig
+    private let speech = SpeechService.shared
+
+    private var questions: [QuizQuestion]
+    private var currentIndex = 0
+    private var selectedOption: String?
+    private var wrongWords: [Word] = []
+    private var startDate = Date.now
+
+    private let progressView = UIProgressView(progressViewStyle: .default)
+    private let countLabel = UILabel()
+    private let promptLabel = UILabel()
+    private let phoneticLabel = UILabel()
+    private let speakerButton = UIButton(type: .system)
+    private let optionsStack = UIStackView()
+    private let spellingView = SpellingInputView()
+    private let spellingHintLabel = UILabel()
+    private let resultLabel = UILabel()
+    private let resultPhoneticLabel = UILabel()
+    private let nextButton = UIButton(type: .system)
+    private var optionButtons: [UIButton] = []
+
+    private var current: QuizQuestion? {
+        questions.indices.contains(currentIndex) ? questions[currentIndex] : nil
+    }
+
+    init(config: QuizConfig) {
+        self.config = config
+        self.questions = QuizGenerator.makeQuestions(mode: config.mode, words: config.words)
+        super.init(nibName: nil, bundle: nil)
+    }
+
+    @available(*, unavailable)
+    required init?(coder: NSCoder) { fatalError() }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        view.backgroundColor = .systemBackground
+        title = config.mode.rawValue
+        buildLayout()
+        showQuestion()
+    }
+
+    override func viewDidAppear(_ animated: Bool) {
+        super.viewDidAppear(animated)
+        if config.mode == .spelling, selectedOption == nil {
+            spellingView.activate()
+        }
+    }
+
+    // MARK: - Layout
+
+    private func buildLayout() {
+        countLabel.font = .preferredFont(forTextStyle: .caption1)
+        countLabel.textColor = .secondaryLabel
+        countLabel.textAlignment = .center
+
+        promptLabel.font = .systemFont(ofSize: config.mode == .enToZh ? 44 : 34, weight: .bold)
+        promptLabel.textAlignment = .center
+        promptLabel.numberOfLines = 0
+
+        phoneticLabel.font = .preferredFont(forTextStyle: .title3)
+        phoneticLabel.textColor = .secondaryLabel
+        phoneticLabel.textAlignment = .center
+
+        speakerButton.setImage(UIImage(systemName: "speaker.wave.2.fill"), for: .normal)
+        speakerButton.addAction(UIAction { [weak self] _ in
+            guard let self, let question = current else { return }
+            speech.speak(question.prompt)
+        }, for: .touchUpInside)
+
+        optionsStack.axis = .vertical
+        optionsStack.spacing = 12
+
+        spellingHintLabel.font = .preferredFont(forTextStyle: .caption1)
+        spellingHintLabel.textColor = .tertiaryLabel
+        spellingHintLabel.textAlignment = .center
+
+        resultLabel.font = .preferredFont(forTextStyle: .title2).withWeight(.bold)
+        resultLabel.textAlignment = .center
+
+        resultPhoneticLabel.font = .preferredFont(forTextStyle: .subheadline)
+        resultPhoneticLabel.textColor = .secondaryLabel
+        resultPhoneticLabel.textAlignment = .center
+
+        var nextConfig = UIButton.Configuration.borderedProminent()
+        nextConfig.contentInsets = .init(top: 12, leading: 16, bottom: 12, trailing: 16)
+        nextButton.configuration = nextConfig
+        nextButton.addAction(UIAction { [weak self] _ in self?.next() }, for: .touchUpInside)
+
+        let headerStack = UIStackView(arrangedSubviews: [progressView, countLabel])
+        headerStack.axis = .vertical
+        headerStack.spacing = 8
+
+        let promptStack = UIStackView(arrangedSubviews: [promptLabel, phoneticLabel, speakerButton])
+        promptStack.axis = .vertical
+        promptStack.spacing = 12
+        promptStack.alignment = .center
+
+        let inputStack = UIStackView(arrangedSubviews: [optionsStack, spellingView, spellingHintLabel])
+        inputStack.axis = .vertical
+        inputStack.spacing = 16
+
+        let resultStack = UIStackView(arrangedSubviews: [resultLabel, resultPhoneticLabel, nextButton])
+        resultStack.axis = .vertical
+        resultStack.spacing = 12
+
+        let mainStack = UIStackView(arrangedSubviews: [headerStack, promptStack, inputStack, resultStack, UIView()])
+        mainStack.axis = .vertical
+        mainStack.spacing = 24
+        view.addSubview(mainStack)
+        mainStack.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            mainStack.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor, constant: 16),
+            mainStack.leadingAnchor.constraint(equalTo: view.leadingAnchor, constant: 16),
+            mainStack.trailingAnchor.constraint(equalTo: view.trailingAnchor, constant: -16),
+            mainStack.bottomAnchor.constraint(lessThanOrEqualTo: view.safeAreaLayoutGuide.bottomAnchor, constant: -16)
+        ])
+    }
+
+    // MARK: - Question flow
+
+    private func showQuestion() {
+        guard let question = current else { return }
+        selectedOption = nil
+
+        progressView.progress = Float(currentIndex) / Float(questions.count)
+        countLabel.text = "第 \(currentIndex + 1) / \(questions.count) 题"
+        promptLabel.text = question.prompt
+        phoneticLabel.isHidden = config.mode != .enToZh
+        speakerButton.isHidden = config.mode != .enToZh
+        phoneticLabel.text = question.word.phonetic
+
+        resultLabel.isHidden = true
+        resultPhoneticLabel.isHidden = true
+        nextButton.isHidden = true
+
+        let isSpelling = config.mode == .spelling
+        optionsStack.isHidden = isSpelling
+        spellingView.isHidden = !isSpelling
+        spellingHintLabel.isHidden = !isSpelling
+
+        if isSpelling {
+            spellingHintLabel.text = "\(question.word.word.count) 个字母，补全空缺部分"
+            spellingView.configure(blankedWord: question.blankedWord, blankPositions: question.blankPositions)
+            spellingView.onComplete = { [weak self] typed in
+                self?.submitSpelling(typed, for: question)
+            }
+            spellingView.activate()
+        } else {
+            buildOptionButtons(for: question)
+        }
+    }
+
+    private func buildOptionButtons(for question: QuizQuestion) {
+        optionsStack.arrangedSubviews.forEach { $0.removeFromSuperview() }
+        optionButtons = question.options.map { option in
+            let button = UIButton(type: .system)
+            var config = UIButton.Configuration.bordered()
+            config.title = option
+            config.titleTextAttributesTransformer = .init { incoming in
+                var outgoing = incoming
+                outgoing.font = .preferredFont(forTextStyle: .headline)
+                return outgoing
+            }
+            if self.config.mode == .zhToEn, let w = self.config.words.first(where: { $0.word == option }) {
+                config.subtitle = w.phonetic
+            }
+            config.contentInsets = .init(top: 10, leading: 16, bottom: 10, trailing: 16)
+            button.configuration = config
+            button.addAction(UIAction { [weak self] _ in
+                self?.selectOption(option, for: question)
+            }, for: .touchUpInside)
+            optionsStack.addArrangedSubview(button)
+            return button
+        }
+    }
+
+    private func selectOption(_ option: String, for question: QuizQuestion) {
+        guard selectedOption == nil else { return }
+        selectedOption = option
+        if option != question.answer {
+            wrongWords.append(question.word)
+        }
+        for (index, button) in optionButtons.enumerated() {
+            let value = question.options[index]
+            button.isEnabled = false
+            if value == question.answer {
+                button.configuration?.baseForegroundColor = .systemGreen
+            } else if value == option {
+                button.configuration?.baseForegroundColor = .systemRed
+            } else {
+                button.configuration?.baseForegroundColor = .systemGray
+            }
+        }
+        showResult(option == question.answer, for: question)
+    }
+
+    private func submitSpelling(_ typed: String, for question: QuizQuestion) {
+        guard selectedOption == nil else { return }
+        selectedOption = typed
+        if typed != question.answer {
+            wrongWords.append(question.word)
+        }
+        spellingView.deactivate()
+        showResult(typed == question.answer, for: question)
+    }
+
+    private func showResult(_ correct: Bool, for question: QuizQuestion) {
+        if config.mode == .spelling {
+            resultLabel.text = correct ? "正确" : "正确答案：\(question.answer)"
+            resultPhoneticLabel.text = question.word.phonetic
+            resultPhoneticLabel.isHidden = false
+        } else {
+            resultLabel.text = correct ? "回答正确" : "正确答案：\(question.answer)"
+        }
+        resultLabel.textColor = correct ? .systemGreen : .systemRed
+        resultLabel.isHidden = false
+
+        nextButton.configuration?.title = currentIndex + 1 < questions.count ? "下一题" : "查看成绩"
+        nextButton.isHidden = false
+    }
+
+    private func next() {
+        if currentIndex + 1 < questions.count {
+            currentIndex += 1
+            showQuestion()
+        } else {
+            showQuizResult()
+        }
+    }
+
+    private func showQuizResult() {
+        let resultView = QuizResultView(
+            total: questions.count,
+            wrongWords: wrongWords,
+            duration: Date.now.timeIntervalSince(startDate),
+            onRestart: { [weak self] in self?.restart() },
+            onExit: { [weak self] in self?.navigationController?.popViewController(animated: true) },
+            onSelectWord: { [weak self] word in
+                self?.navigationController?.pushViewController(WordDetailViewController(word: word), animated: true)
+            }
+        )
+        resultView.translatesAutoresizingMaskIntoConstraints = false
+        resultView.frame = view.bounds
+        resultView.autoresizingMask = [.flexibleWidth, .flexibleHeight]
+        view.addSubview(resultView)
+    }
+
+    private func restart() {
+        view.subviews.compactMap { $0 as? QuizResultView }.forEach { $0.removeFromSuperview() }
+        questions = QuizGenerator.makeQuestions(mode: config.mode, words: config.words)
+        currentIndex = 0
+        wrongWords = []
+        startDate = .now
+        showQuestion()
+        if config.mode == .spelling {
+            spellingView.activate()
+        }
+    }
+}
+
+private extension UIFont {
+    func withWeight(_ weight: UIFont.Weight) -> UIFont {
+        let descriptor = fontDescriptor.addingAttributes([
+            .traits: [UIFontDescriptor.TraitKey.weight: weight]
+        ])
+        return UIFont(descriptor: descriptor, size: pointSize)
+    }
+}
@@ -0,0 +1,177 @@
+import UIKit
+
+final class SpellingInputView: UIView, UITextFieldDelegate {
+    var onComplete: ((String) -> Void)?
+
+    private let hiddenField = UITextField()
+    private let stack = UIStackView()
+
+    private var chars: [String] = []
+    private var blankPositions: [Int] = []
+    private var filledBlanks: [String] = []
+    private var currentBlankIndex = 0
+    private var boxViews: [UIView] = []
+    private var cursorView: UIView?
+    private var inputEnabled = true
+
+    override init(frame: CGRect) {
+        super.init(frame: frame)
+        stack.axis = .horizontal
+        stack.spacing = 6
+        stack.alignment = .center
+        addSubview(stack)
+        stack.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            stack.topAnchor.constraint(equalTo: topAnchor),
+            stack.bottomAnchor.constraint(equalTo: bottomAnchor),
+            stack.centerXAnchor.constraint(equalTo: centerXAnchor),
+            stack.leadingAnchor.constraint(greaterThanOrEqualTo: leadingAnchor),
+            stack.trailingAnchor.constraint(lessThanOrEqualTo: trailingAnchor)
+        ])
+
+        hiddenField.delegate = self
+        hiddenField.autocorrectionType = .no
+        hiddenField.autocapitalizationType = .none
+        hiddenField.spellCheckingType = .no
+        hiddenField.keyboardType = .asciiCapable
+        hiddenField.frame = .zero
+        addSubview(hiddenField)
+
+        addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(reactivate)))
+    }
+
+    @available(*, unavailable)
+    required init?(coder: NSCoder) { fatalError() }
+
+    func configure(blankedWord: String, blankPositions: [Int]) {
+        chars = blankedWord.map { String($0) }
+        self.blankPositions = blankPositions
+        filledBlanks = Array(repeating: "", count: blankPositions.count)
+        currentBlankIndex = 0
+        inputEnabled = true
+        rebuildBoxes()
+    }
+
+    func activate() {
+        guard inputEnabled, !hiddenField.isFirstResponder else { return }
+        hiddenField.becomeFirstResponder()
+    }
+
+    func deactivate() {
+        inputEnabled = false
+        hiddenField.resignFirstResponder()
+        refreshBoxes()
+    }
+
+    @objc private func reactivate() {
+        activate()
+    }
+
+    // MARK: - UITextFieldDelegate
+
+    func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {
+        guard inputEnabled else { return false }
+        if string.isEmpty {
+            if currentBlankIndex > 0 {
+                currentBlankIndex -= 1
+                filledBlanks[currentBlankIndex] = ""
+                refreshBoxes()
+            }
+        } else if let char = string.last, char.isLetter, currentBlankIndex < blankPositions.count {
+            filledBlanks[currentBlankIndex] = String(char).lowercased()
+            currentBlankIndex += 1
+            refreshBoxes()
+            if currentBlankIndex == blankPositions.count {
+                var rebuilt = chars
+                for (i, pos) in blankPositions.enumerated() {
+                    rebuilt[pos] = filledBlanks[i]
+                }
+                onComplete?(rebuilt.joined().lowercased())
+            }
+        }
+        textField.text = nil
+        return false
+    }
+
+    // MARK: - Boxes
+
+    private func rebuildBoxes() {
+        stack.arrangedSubviews.forEach { $0.removeFromSuperview() }
+        boxViews = chars.enumerated().map { index, ch in
+            let box = makeBox()
+            if ch != "_", let label = box.subviews.compactMap({ $0 as? UILabel }).first {
+                label.text = ch.uppercased()
+                label.isHidden = false
+            }
+            stack.addArrangedSubview(box)
+            NSLayoutConstraint.activate([
+                box.widthAnchor.constraint(equalToConstant: 36),
+                box.heightAnchor.constraint(equalToConstant: 44)
+            ])
+            return box
+        }
+        refreshBoxes()
+    }
+
+    private func makeBox() -> UIView {
+        let box = UIView()
+        box.backgroundColor = .quaternarySystemFill.withAlphaComponent(0.15)
+        box.layer.cornerRadius = 8
+        box.layer.borderWidth = 1
+        box.layer.borderColor = UIColor.separator.cgColor
+
+        let label = UILabel()
+        label.font = .preferredFont(forTextStyle: .title2)
+        label.font = .systemFont(ofSize: label.font.pointSize, weight: .bold)
+        label.isHidden = true
+        label.tag = 100
+        box.addSubview(label)
+        label.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            label.centerXAnchor.constraint(equalTo: box.centerXAnchor),
+            label.centerYAnchor.constraint(equalTo: box.centerYAnchor)
+        ])
+        return box
+    }
+
+    private func refreshBoxes() {
+        cursorView?.removeFromSuperview()
+        cursorView = nil
+
+        for (index, box) in boxViews.enumerated() {
+            guard chars[index] == "_", let blankIndex = blankPositions.firstIndex(of: index) else {
+                continue
+            }
+            let label = box.viewWithTag(100) as? UILabel
+            let filled = filledBlanks[blankIndex]
+            label?.text = filled.uppercased()
+            label?.isHidden = filled.isEmpty
+
+            let isCurrent = inputEnabled && blankIndex == currentBlankIndex
+            box.layer.borderColor = isCurrent ? UIColor.tintColor.cgColor : UIColor.separator.cgColor
+            box.layer.borderWidth = isCurrent ? 2 : 1
+
+            if isCurrent, filled.isEmpty {
+                let cursor = UIView()
+                cursor.backgroundColor = .tintColor
+                box.addSubview(cursor)
+                cursor.translatesAutoresizingMaskIntoConstraints = false
+                NSLayoutConstraint.activate([
+                    cursor.centerXAnchor.constraint(equalTo: box.centerXAnchor),
+                    cursor.centerYAnchor.constraint(equalTo: box.centerYAnchor),
+                    cursor.widthAnchor.constraint(equalToConstant: 2),
+                    cursor.heightAnchor.constraint(equalToConstant: 22)
+                ])
+                cursorView = cursor
+                startBlinking(cursor)
+            }
+        }
+    }
+
+    private func startBlinking(_ cursor: UIView) {
+        cursor.alpha = 1
+        UIView.animate(withDuration: 0.6, delay: 0, options: [.repeat, .autoreverse, .allowUserInteraction]) {
+            cursor.alpha = 0
+        }
+    }
+}
@@ -1,81 +0,0 @@
-import SwiftUI
-
-struct WordDetailView: View {
-    let word: Word
-    @Environment(SpeechService.self) private var speech
-
-    private var isSpeaking: Bool {
-        speech.speakingText == word.word
-    }
-
-    var body: some View {
-        ScrollView {
-            VStack(spacing: 32) {
-                VStack(spacing: 12) {
-                    Text(word.word)
-                        .font(.system(size: 48, weight: .bold))
-                    Text(word.phonetic)
-                        .font(.title3)
-                        .foregroundStyle(.secondary)
-                    Button {
-                        speech.speak(word.word)
-                    } label: {
-                        Label(isSpeaking ? "朗读中" : "发音", systemImage: isSpeaking ? "speaker.wave.3.fill" : "speaker.wave.2.fill")
-                            .font(.headline)
-                            .padding(.horizontal, 24)
-                            .padding(.vertical, 10)
-                    }
-                    .buttonStyle(.borderedProminent)
-                    .disabled(isSpeaking)
-                }
-
-                VStack(alignment: .leading, spacing: 16) {
-                    VStack(alignment: .leading, spacing: 6) {
-                        Text("释义")
-                            .font(.caption)
-                            .foregroundStyle(.secondary)
-                        Text(word.meaning)
-                            .font(.title2)
-                    }
-
-                    Divider()
-
-                    VStack(alignment: .leading, spacing: 6) {
-                        Text("例句")
-                            .font(.caption)
-                            .foregroundStyle(.secondary)
-                        HStack(alignment: .top) {
-                            VStack(alignment: .leading, spacing: 4) {
-                                Text(word.example)
-                                    .font(.body)
-                                Text(word.exampleMeaning)
-                                    .font(.subheadline)
-                                    .foregroundStyle(.secondary)
-                            }
-                            Spacer()
-                            Button {
-                                speech.speak(word.example)
-                            } label: {
-                                Image(systemName: "speaker.wave.2")
-                            }
-                            .buttonStyle(.borderless)
-                        }
-                    }
-                }
-                .frame(maxWidth: .infinity, alignment: .leading)
-                .padding()
-                .background(.quaternary.opacity(0.5), in: RoundedRectangle(cornerRadius: 16))
-            }
-            .padding()
-        }
-        .navigationTitle(word.word)
-        .navigationBarTitleDisplayMode(.inline)
-    }
-}
-
-#Preview {
-    NavigationStack {
-        WordDetailView(word: Word(word: "red", phonetic: "/red/", meaning: "红色", example: "The apple is red.", exampleMeaning: "苹果是红色的。"))
-            .environment(SpeechService())
-    }
-}
@@ -0,0 +1,164 @@
+import UIKit
+
+final class WordDetailViewController: UIViewController {
+    private let word: Word
+    private let speech = SpeechService.shared
+
+    private let speakButton = UIButton(type: .system)
+    private var isSpeaking: Bool { speech.speakingText == word.word }
+
+    init(word: Word) {
+        self.word = word
+        super.init(nibName: nil, bundle: nil)
+    }
+
+    @available(*, unavailable)
+    required init?(coder: NSCoder) { fatalError() }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        view.backgroundColor = .systemBackground
+        title = word.word
+        navigationItem.largeTitleDisplayMode = .never
+        buildLayout()
+        updateSpeakButton()
+    }
+
+    override func viewWillAppear(_ animated: Bool) {
+        super.viewWillAppear(animated)
+        speech.onSpeakingChanged = { [weak self] in
+            self?.updateSpeakButton()
+        }
+    }
+
+    private func updateSpeakButton() {
+        var config = speakButton.configuration
+        config?.title = isSpeaking ? "朗读中" : "发音"
+        config?.image = UIImage(systemName: isSpeaking ? "speaker.wave.3.fill" : "speaker.wave.2.fill")
+        speakButton.configuration = config
+        speakButton.isEnabled = !isSpeaking
+    }
+
+    private func buildLayout() {
+        let scrollView = UIScrollView()
+        view.addSubview(scrollView)
+        scrollView.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            scrollView.topAnchor.constraint(equalTo: view.safeAreaLayoutGuide.topAnchor),
+            scrollView.leadingAnchor.constraint(equalTo: view.leadingAnchor),
+            scrollView.trailingAnchor.constraint(equalTo: view.trailingAnchor),
+            scrollView.bottomAnchor.constraint(equalTo: view.bottomAnchor)
+        ])
+
+        let stack = UIStackView()
+        stack.axis = .vertical
+        stack.spacing = 32
+        scrollView.addSubview(stack)
+        stack.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            stack.topAnchor.constraint(equalTo: scrollView.contentLayoutGuide.topAnchor, constant: 16),
+            stack.leadingAnchor.constraint(equalTo: scrollView.contentLayoutGuide.leadingAnchor, constant: 16),
+            stack.trailingAnchor.constraint(equalTo: scrollView.contentLayoutGuide.trailingAnchor, constant: -16),
+            stack.bottomAnchor.constraint(equalTo: scrollView.contentLayoutGuide.bottomAnchor, constant: -16),
+            stack.widthAnchor.constraint(equalTo: scrollView.frameLayoutGuide.widthAnchor, constant: -32)
+        ])
+
+        stack.addArrangedSubview(makeHeader())
+        stack.addArrangedSubview(makeCard())
+    }
+
+    private func makeHeader() -> UIView {
+        let wordLabel = UILabel()
+        wordLabel.text = word.word
+        wordLabel.font = .systemFont(ofSize: 48, weight: .bold)
+        wordLabel.textAlignment = .center
+
+        let phoneticLabel = UILabel()
+        phoneticLabel.text = word.phonetic
+        phoneticLabel.font = .preferredFont(forTextStyle: .title3)
+        phoneticLabel.textColor = .secondaryLabel
+        phoneticLabel.textAlignment = .center
+
+        var config = UIButton.Configuration.borderedProminent()
+        config.imagePadding = 6
+        config.contentInsets = .init(top: 10, leading: 24, bottom: 10, trailing: 24)
+        speakButton.configuration = config
+        speakButton.addAction(UIAction { [weak self] _ in
+            guard let self else { return }
+            speech.speak(word.word)
+        }, for: .touchUpInside)
+
+        let stack = UIStackView(arrangedSubviews: [wordLabel, phoneticLabel, speakButton])
+        stack.axis = .vertical
+        stack.spacing = 12
+        stack.alignment = .center
+        return stack
+    }
+
+    private func makeCard() -> UIView {
+        let card = UIView()
+        card.backgroundColor = .quaternarySystemFill.withAlphaComponent(0.5)
+        card.layer.cornerRadius = 16
+
+        let meaningTitle = makeCaption("释义")
+        let meaningLabel = UILabel()
+        meaningLabel.text = word.meaning
+        meaningLabel.font = .preferredFont(forTextStyle: .title2)
+        meaningLabel.numberOfLines = 0
+
+        let divider = UIView()
+        divider.backgroundColor = .separator
+        divider.translatesAutoresizingMaskIntoConstraints = false
+        divider.heightAnchor.constraint(equalToConstant: 1.0 / UIScreen.main.scale).isActive = true
+
+        let exampleTitle = makeCaption("例句")
+        let exampleLabel = UILabel()
+        exampleLabel.text = word.example
+        exampleLabel.numberOfLines = 0
+        let exampleMeaningLabel = UILabel()
+        exampleMeaningLabel.text = word.exampleMeaning
+        exampleMeaningLabel.font = .preferredFont(forTextStyle: .subheadline)
+        exampleMeaningLabel.textColor = .secondaryLabel
+        exampleMeaningLabel.numberOfLines = 0
+
+        let exampleSpeakButton = UIButton(type: .system)
+        exampleSpeakButton.setImage(UIImage(systemName: "speaker.wave.2"), for: .normal)
+        exampleSpeakButton.addAction(UIAction { [weak self] _ in
+            guard let self else { return }
+            speech.speak(word.example)
+        }, for: .touchUpInside)
+        exampleSpeakButton.setContentHuggingPriority(.required, for: .horizontal)
+
+        let exampleTextStack = UIStackView(arrangedSubviews: [exampleLabel, exampleMeaningLabel])
+        exampleTextStack.axis = .vertical
+        exampleTextStack.spacing = 4
+        let exampleRow = UIStackView(arrangedSubviews: [exampleTextStack, exampleSpeakButton])
+        exampleRow.axis = .horizontal
+        exampleRow.alignment = .top
+        exampleRow.spacing = 8
+
+        let stack = UIStackView(arrangedSubviews: [meaningTitle, meaningLabel, divider, exampleTitle, exampleRow])
+        stack.axis = .vertical
+        stack.spacing = 16
+        stack.setCustomSpacing(6, after: meaningTitle)
+        stack.setCustomSpacing(6, after: exampleTitle)
+
+        card.addSubview(stack)
+        stack.translatesAutoresizingMaskIntoConstraints = false
+        NSLayoutConstraint.activate([
+            stack.topAnchor.constraint(equalTo: card.topAnchor, constant: 16),
+            stack.leadingAnchor.constraint(equalTo: card.leadingAnchor, constant: 16),
+            stack.trailingAnchor.constraint(equalTo: card.trailingAnchor, constant: -16),
+            stack.bottomAnchor.constraint(equalTo: card.bottomAnchor, constant: -16)
+        ])
+        return card
+    }
+
+    private func makeCaption(_ text: String) -> UILabel {
+        let label = UILabel()
+        label.text = text
+        label.font = .preferredFont(forTextStyle: .caption1)
+        label.textColor = .secondaryLabel
+        return label
+    }
+}
@@ -1,51 +0,0 @@
-import SwiftUI
-
-struct WordListView: View {
-    let category: WordCategory
-    let onRoute: (AppRoute) -> Void
-
-    var body: some View {
-        List(category.words) { word in
-            NavigationLink(value: AppRoute.word(word)) {
-                VStack(alignment: .leading, spacing: 4) {
-                    Text(word.word)
-                        .font(.headline)
-                    Text(word.meaning)
-                        .font(.subheadline)
-                        .foregroundStyle(.secondary)
-                }
-                .padding(.vertical, 2)
-            }
-        }
-        .contentMargins(.top, 8, for: .scrollContent)
-        .navigationTitle(category.name)
-        .navigationBarTitleDisplayMode(.inline)
-        .toolbar {
-            ToolbarItem(placement: .primaryAction) {
-                Menu {
-                    Button("英选汉") { startQuiz(.enToZh) }
-                    Button("汉选英") { startQuiz(.zhToEn) }
-                    Button("拼写") { startQuiz(.spelling) }
-                } label: {
-                    Text("测验")
-                }
-            }
-        }
-    }
-
-    private func startQuiz(_ mode: QuizMode) {
-        if category.words.count <= 10 {
-            onRoute(.quiz(QuizConfig(mode: mode, words: category.words)))
-        } else {
-            onRoute(.quizSetup(QuizSetupRequest(mode: mode, words: category.words)))
-        }
-    }
-}
-
-#Preview {
-    NavigationStack {
-        WordListView(category: WordCategory(id: "colors", name: "颜色", icon: "paintpalette.fill", words: [
-            Word(word: "red", phonetic: "/red/", meaning: "红色", example: "The apple is red.", exampleMeaning: "苹果是红色的。")
-        ])) { _ in }
-    }
-}
@@ -0,0 +1,59 @@
+import UIKit
+
+final class WordListViewController: UITableViewController {
+    private let category: WordCategory
+
+    init(category: WordCategory) {
+        self.category = category
+        super.init(style: .plain)
+    }
+
+    @available(*, unavailable)
+    required init?(coder: NSCoder) { fatalError() }
+
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        title = category.name
+        navigationItem.largeTitleDisplayMode = .never
+        tableView.register(UITableViewCell.self, forCellReuseIdentifier: "cell")
+
+        let quizMenu = UIMenu(title: "", children: [
+            UIAction(title: QuizMode.enToZh.rawValue) { [weak self] _ in self?.startQuiz(.enToZh) },
+            UIAction(title: QuizMode.zhToEn.rawValue) { [weak self] _ in self?.startQuiz(.zhToEn) },
+            UIAction(title: QuizMode.spelling.rawValue) { [weak self] _ in self?.startQuiz(.spelling) }
+        ])
+        navigationItem.rightBarButtonItem = UIBarButtonItem(title: "测验", menu: quizMenu)
+    }
+
+    private func startQuiz(_ mode: QuizMode) {
+        if category.words.count <= 10 {
+            let config = QuizConfig(mode: mode, words: category.words)
+            navigationController?.pushViewController(QuizViewController(config: config), animated: true)
+        } else {
+            let request = QuizSetupRequest(mode: mode, words: category.words)
+            navigationController?.pushViewController(QuizSetupViewController(request: request), animated: true)
+        }
+    }
+
+    override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
+        category.words.count
+    }
+
+    override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
+        let word = category.words[indexPath.row]
+        let cell = tableView.dequeueReusableCell(withIdentifier: "cell", for: indexPath)
+        var content = cell.defaultContentConfiguration()
+        content.text = word.word
+        content.textProperties.font = .preferredFont(forTextStyle: .headline)
+        content.secondaryText = word.meaning
+        content.secondaryTextProperties.color = .secondaryLabel
+        cell.contentConfiguration = content
+        cell.accessoryType = .disclosureIndicator
+        return cell
+    }
+
+    override func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
+        tableView.deselectRow(at: indexPath, animated: true)
+        navigationController?.pushViewController(WordDetailViewController(word: category.words[indexPath.row]), animated: true)
+    }
+}
Author	SHA1	Message	Date
fish	2220f4be52	应用改用 UIKit 重写，删除 SwiftUI 版本 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>	2026-07-18 22:24:12 +08:00
fish	4e3146f9fe	拼写改为在空缺字母格内直接填字母，填完自动提交 Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>	2026-07-18 21:56:58 +08:00