feat: 添加相机和相册权限请求功能

- 在 AI 体态评估页面中集成相机和相册权限请求逻辑
- 更新 app.json 和 Info.plist，添加相应的权限说明
- 修改布局以支持照片上传功能，用户可上传正面、侧面和背面照片
- 更新 package.json 和 package-lock.json，添加 expo-image-picker 依赖

app.json

@@ -12,7 +12,10 @@
       "supportsTablet": true,
       "bundleIdentifier": "com.anonymous.digitalpilates",
       "infoPlist": {
-        "ITSAppUsesNonExemptEncryption": false
+        "ITSAppUsesNonExemptEncryption": false,
+        "NSCameraUsageDescription": "应用需要使用相机以拍摄您的体态照片用于AI测评。",
+        "NSPhotoLibraryUsageDescription": "应用需要访问相册以选择您的体态照片用于AI测评。",
+        "NSPhotoLibraryAddUsageDescription": "应用需要写入相册以保存拍摄的体态照片（可选）。"
       }
     },
     "android": {

app/(tabs)/_layout.tsx

@@ -4,9 +4,13 @@ import React from 'react';
 import { Text, TouchableOpacity, View } from 'react-native';
 
 import { IconSymbol } from '@/components/ui/IconSymbol';
+import { Colors } from '@/constants/Colors';
 import { TAB_BAR_BOTTOM_OFFSET, TAB_BAR_HEIGHT } from '@/constants/TabBar';
+import { useColorScheme } from '@/hooks/useColorScheme';
 
 export default function TabLayout() {
+  const theme = (useColorScheme() ?? 'light') as 'light' | 'dark';
+  const colorTokens = Colors[theme];
   const pathname = usePathname();
 
   return (
@@ -19,9 +23,9 @@ export default function TabLayout() {
 
         return {
           headerShown: false,
-          tabBarActiveTintColor: '#192126',
+          tabBarActiveTintColor: colorTokens.tabIconSelected,
           tabBarButton: (props) => {
-            const { children, onPress } = props;
+            const { onPress } = props;
 
             const handlePress = (event: any) => {
               if (process.env.EXPO_OS === 'ios') {
@@ -30,9 +34,28 @@ export default function TabLayout() {
               onPress && onPress(event);
             };
 
+            // 基于 routeName 设置图标与标题，避免 tabBarIcon 的包装导致文字裁剪
+            const getIconAndTitle = () => {
+              switch (routeName) {
+                case 'index':
+                  return { icon: 'house.fill', title: '首页' } as const;
+                case 'explore':
+                  return { icon: 'paperplane.fill', title: '探索' } as const;
+                case 'personal':
+                  return { icon: 'person.fill', title: '个人' } as const;
+                default:
+                  return { icon: 'circle', title: '' } as const;
+              }
+            };
+
+            const { icon, title } = getIconAndTitle();
+            const activeContentColor = colorTokens.onPrimary;
+            const inactiveContentColor = colorTokens.tabIconDefault;
+
             return (
               <TouchableOpacity
                 onPress={handlePress}
+                accessibilityRole="button"
                 style={{
                   flex: 1,
                   alignItems: 'center',
@@ -41,12 +64,32 @@ export default function TabLayout() {
                   marginHorizontal: 6,
                   marginVertical: 10,
                   borderRadius: 25,
-                  backgroundColor: isSelected ? '#BBF246' : 'transparent',
+                  backgroundColor: isSelected ? colorTokens.tabBarActiveBackground : 'transparent',
-                  paddingHorizontal: isSelected ? 16 : 8,
+                  paddingHorizontal: isSelected ? 16 : 10,
                   paddingVertical: 8,
                 }}
               >
-                {children}
+                <View style={{ flexDirection: 'row', alignItems: 'center' }}>
+                  <IconSymbol
+                    size={22}
+                    name={icon as any}
+                    color={isSelected ? activeContentColor : inactiveContentColor}
+                  />
+                  {isSelected && !!title && (
+                    <Text
+                      style={{
+                        color: activeContentColor,
+                        fontSize: 12,
+                        fontWeight: '600',
+                        marginLeft: 6,
+                      }}
+                      // 选中态下不限制行数，避免大屏布局下被裁剪成省略号
+                      numberOfLines={0 as any}
+                    >
+                      {title}
+                    </Text>
+                  )}
+                </View>
               </TouchableOpacity>
             );
           },
@@ -55,7 +98,7 @@ export default function TabLayout() {
             bottom: TAB_BAR_BOTTOM_OFFSET,
             height: TAB_BAR_HEIGHT,
             borderRadius: 34,
-            backgroundColor: '#192126',
+            backgroundColor: colorTokens.tabBarBackground,
             shadowColor: '#000',
             shadowOffset: { width: 0, height: 2 },
             shadowOpacity: 0.2,

app/ai-posture-assessment.tsx

@@ -1,9 +1,13 @@
 import { Ionicons } from '@expo/vector-icons';
+import { BlurView } from 'expo-blur';
+import * as ImagePicker from 'expo-image-picker';
 import { useRouter } from 'expo-router';
-import React from 'react';
+import React, { useEffect, useMemo, useState } from 'react';
 import {
+  Alert,
   Image,
-  ImageBackground,
+  Linking,
+  Platform,
   ScrollView,
   StyleSheet,
   Text,
@@ -14,49 +18,157 @@ import { useSafeAreaInsets } from 'react-native-safe-area-context';
 
 import { Colors } from '@/constants/Colors';
 
-type Exercise = {
+type PoseView = 'front' | 'side' | 'back';
-  id: string;
+
-  title: string;
+type UploadState = {
-  duration: string;
+  front?: string | null;
-  imageUri: string;
+  side?: string | null;
+  back?: string | null;
 };
 
-const EXERCISES: Exercise[] = [
+type Sample = { uri: string; correct: boolean };
-  {
+
-    id: '1',
+const SAMPLES: Record<PoseView, Sample[]> = {
-    title: 'Jumping Jacks',
+  front: [
-    duration: '00:30',
+    { uri: 'https://images.unsplash.com/photo-1594737625785-c6683fc87c73?w=400&q=80&auto=format', correct: true },
-    imageUri:
+    { uri: 'https://images.unsplash.com/photo-1544716278-ca5e3f4abd8c?w=400&q=80&auto=format', correct: false },
-      'https://images.unsplash.com/photo-1546483875-ad9014c88eba?q=80&w=400&auto=format&fit=crop',
+    { uri: 'https://images.unsplash.com/photo-1571019614242-c5c5dee9f50b?w=400&q=80&auto=format', correct: false },
-  },
+  ],
-  {
+  side: [
-    id: '2',
+    { uri: 'https://images.unsplash.com/photo-1554463529-e27854014799?w=400&q=80&auto=format', correct: true },
-    title: 'Squats',
+    { uri: 'https://images.unsplash.com/photo-1596357395104-5bcae0b1a5eb?w=400&q=80&auto=format', correct: false },
-    duration: '00:45',
+    { uri: 'https://images.unsplash.com/photo-1526506118085-60ce8714f8c5?w=400&q=80&auto=format', correct: false },
-    imageUri:
+  ],
-      'https://images.unsplash.com/photo-1583454110551-21f2fa2f36f0?q=80&w=400&auto=format&fit=crop',
+  back: [
-  },
+    { uri: 'https://images.unsplash.com/photo-1517836357463-d25dfeac3438?w=400&q=80&auto=format', correct: true },
-  {
+    { uri: 'https://images.unsplash.com/photo-1571721797421-f4c9f2b13107?w=400&q=80&auto=format', correct: false },
-    id: '3',
+    { uri: 'https://images.unsplash.com/photo-1518611012118-696072aa579a?w=400&q=80&auto=format', correct: false },
-    title: 'Backward Lunge',
+  ],
-    duration: '00:40',
+};
-    imageUri:
-      'https://images.unsplash.com/photo-1597074866923-5c3bfa3b6c46?q=80&w=400&auto=format&fit=crop',
-  },
-  {
-    id: '4',
-    title: 'High Knees',
-    duration: '00:30',
-    imageUri:
-      'https://images.unsplash.com/photo-1596357395104-5bcae0b1a5eb?q=80&w=400&auto=format&fit=crop',
-  },
-];
 
 export default function AIPostureAssessmentScreen() {
   const router = useRouter();
   const insets = useSafeAreaInsets();
+  const theme = Colors.dark;
 
-  const theme = Colors.dark; // 该页面采用深色视觉
+  const [uploadState, setUploadState] = useState<UploadState>({});
+  const canStart = useMemo(
+    () => Boolean(uploadState.front && uploadState.side && uploadState.back),
+    [uploadState]
+  );
+
+  const [cameraPerm, setCameraPerm] = useState<ImagePicker.PermissionStatus | null>(null);
+  const [libraryPerm, setLibraryPerm] = useState<ImagePicker.PermissionStatus | null>(null);
+  const [libraryAccess, setLibraryAccess] = useState<'all' | 'limited' | 'none' | null>(null);
+  const [cameraCanAsk, setCameraCanAsk] = useState<boolean | null>(null);
+  const [libraryCanAsk, setLibraryCanAsk] = useState<boolean | null>(null);
+
+  useEffect(() => {
+    (async () => {
+      const cam = await ImagePicker.getCameraPermissionsAsync();
+      const lib = await ImagePicker.getMediaLibraryPermissionsAsync();
+      setCameraPerm(cam.status);
+      setLibraryPerm(lib.status);
+      setLibraryAccess(
+        (lib as any).accessPrivileges ?? (lib.status === 'granted' ? 'all' : 'none')
+      );
+      setCameraCanAsk(cam.canAskAgain);
+      setLibraryCanAsk(lib.canAskAgain);
+    })();
+  }, []);
+
+  async function requestAllPermissions() {
+    try {
+      const cam = await ImagePicker.requestCameraPermissionsAsync();
+      const lib = await ImagePicker.requestMediaLibraryPermissionsAsync();
+      setCameraPerm(cam.status);
+      setLibraryPerm(lib.status);
+      setLibraryAccess(
+        (lib as any).accessPrivileges ?? (lib.status === 'granted' ? 'all' : 'none')
+      );
+      setCameraCanAsk(cam.canAskAgain);
+      setLibraryCanAsk(lib.canAskAgain);
+      const libGranted = lib.status === 'granted' || (lib as any).accessPrivileges === 'limited';
+      if (cam.status !== 'granted' || !libGranted) {
+        Alert.alert(
+          '权限未完全授予',
+          '请在系统设置中授予相机与相册权限以完成上传',
+          [
+            { text: '取消', style: 'cancel' },
+            { text: '去设置', onPress: () => Linking.openSettings() },
+          ]
+        );
+      }
+    } catch { }
+  }
+
+  async function requestPermissionAndPick(source: 'camera' | 'library', key: PoseView) {
+    try {
+      if (source === 'camera') {
+        const resp = await ImagePicker.requestCameraPermissionsAsync();
+        setCameraPerm(resp.status);
+        setCameraCanAsk(resp.canAskAgain);
+        if (resp.status !== 'granted') {
+          Alert.alert(
+            '权限不足',
+            '需要相机权限以拍摄照片',
+            resp.canAskAgain
+              ? [{ text: '好的' }]
+              : [
+                { text: '取消', style: 'cancel' },
+                { text: '去设置', onPress: () => Linking.openSettings() },
+              ]
+          );
+          return;
+        }
+        const result = await ImagePicker.launchCameraAsync({
+          allowsEditing: true,
+          quality: 0.8,
+          aspect: [3, 4],
+        });
+        if (!result.canceled) {
+          setUploadState((s) => ({ ...s, [key]: result.assets[0]?.uri ?? null }));
+        }
+      } else {
+        const resp = await ImagePicker.requestMediaLibraryPermissionsAsync();
+        setLibraryPerm(resp.status);
+        setLibraryAccess(
+          (resp as any).accessPrivileges ?? (resp.status === 'granted' ? 'all' : 'none')
+        );
+        setLibraryCanAsk(resp.canAskAgain);
+        const libGranted = resp.status === 'granted' || (resp as any).accessPrivileges === 'limited';
+        if (!libGranted) {
+          Alert.alert(
+            '权限不足',
+            '需要相册权限以选择照片',
+            resp.canAskAgain
+              ? [{ text: '好的' }]
+              : [
+                { text: '取消', style: 'cancel' },
+                { text: '去设置', onPress: () => Linking.openSettings() },
+              ]
+          );
+          return;
+        }
+        const result = await ImagePicker.launchImageLibraryAsync({
+          allowsEditing: true,
+          quality: 0.8,
+          aspect: [3, 4],
+        });
+        if (!result.canceled) {
+          setUploadState((s) => ({ ...s, [key]: result.assets[0]?.uri ?? null }));
+        }
+      }
+    } catch (e) {
+      Alert.alert('发生错误', '选择图片失败，请重试');
+    }
+  }
+
+  function handleStart() {
+    if (!canStart) return;
+    // TODO: 调用后端或进入分析页面
+    Alert.alert('开始测评', '已收集三视角照片，准备开始AI体态分析');
+  }
 
   return (
     <View style={[styles.screen, { backgroundColor: theme.background }]}>
@@ -69,7 +181,7 @@ export default function AIPostureAssessmentScreen() {
         >
           <Ionicons name="chevron-back" size={24} color="#ECEDEE" />
         </TouchableOpacity>
-        <Text style={styles.headerTitle}>AI体态评估</Text>
+        <Text style={styles.headerTitle}>AI体态测评</Text>
         <View style={{ width: 32 }} />
       </View>
 
@@ -77,104 +189,142 @@ export default function AIPostureAssessmentScreen() {
         contentContainerStyle={{ paddingBottom: insets.bottom + 120 }}
         showsVerticalScrollIndicator={false}
       >
-        {/* Hero */}
+        {/* Permissions Banner (iOS 优先提示) */}
-        <View style={styles.heroContainer}>
+        {Platform.OS === 'ios' && (
-          <ImageBackground
+          (cameraPerm !== 'granted' || !(libraryPerm === 'granted' || libraryAccess === 'limited')) && (
-            source={{
+            <BlurView intensity={18} tint="dark" style={styles.permBanner}>
-              uri:
+              <Text style={styles.permTitle}>需要相机与相册权限</Text>
-                'https://images.unsplash.com/photo-1594737625785-c6683fc87c73?q=80&w=1200&auto=format&fit=crop',
+              <Text style={styles.permDesc}>
-            }}
+                授权后可拍摄或选择三视角全身照片用于AI体态测评。
-            style={styles.heroImage}
+              </Text>
-            imageStyle={{ borderRadius: 28 }}
+              <View style={styles.permActions}>
-          >
+                {((cameraCanAsk ?? true) || (libraryCanAsk ?? true)) ? (
-            <View style={styles.heroOverlay} />
+                  <TouchableOpacity style={styles.permPrimary} onPress={requestAllPermissions}>
-          </ImageBackground>
+                    <Text style={styles.permPrimaryText}>一键授权</Text>
-
+                  </TouchableOpacity>
-          {/* Floating stats */}
+                ) : (
-          <View style={styles.statsFloating}>
+                  <TouchableOpacity style={styles.permPrimary} onPress={() => Linking.openSettings()}>
-            <StatCard
+                    <Text style={styles.permPrimaryText}>去设置开启</Text>
-              icon={<Ionicons name="time-outline" size={18} color="#192126" />}
+                  </TouchableOpacity>
-              label="Time"
+                )}
-              value="20 min"
+                <TouchableOpacity style={styles.permSecondary} onPress={() => requestPermissionAndPick('library', 'front')}>
-            />
+                  <Text style={styles.permSecondaryText}>稍后再说</Text>
-            <View style={styles.divider} />
+                </TouchableOpacity>
-            <StatCard
-              icon={<Ionicons name="flame-outline" size={18} color="#192126" />}
-              label="Burn"
-              value="95 kcal"
-            />
-          </View>
               </View>
+            </BlurView>
+          )
+        )}
 
-        {/* Title & description */}
+        {/* Intro */}
-        <View style={styles.contentSection}>
+        <View style={styles.introBox}>
-          <Text style={styles.title}>Lower Body Training</Text>
+          <Text style={styles.title}>上传标准姿势照片</Text>
           <Text style={styles.description}>
-            The lower abdomen and hips are the most difficult areas of the body to reduce when we are on
+            请依次上传正面、侧面与背面全身照。保持光线均匀、背景简洁，身体立正自然放松。
-            a diet. Even so, in this area, especially the legs as a whole, you can reduce weight even if
-            you don't use tools.
           </Text>
         </View>
 
-        {/* Rounds header */}
+        {/* Upload sections */}
-        <View style={styles.roundsHeader}>
+        <UploadTile
-          <Text style={styles.roundsTitle}>Rounds</Text>
+          label="正面"
-          <Text style={styles.roundsCount}>1/8</Text>
+          value={uploadState.front}
-        </View>
+          onPickCamera={() => requestPermissionAndPick('camera', 'front')}
+          onPickLibrary={() => requestPermissionAndPick('library', 'front')}
+          samples={SAMPLES.front}
+        />
 
-        {/* Exercise list */}
+        <UploadTile
-        <View style={{ gap: 14, marginHorizontal: 20 }}>
+          label="侧面"
-          {EXERCISES.map((item) => (
+          value={uploadState.side}
-            <ExerciseItem key={item.id} exercise={item} />)
+          onPickCamera={() => requestPermissionAndPick('camera', 'side')}
-          )}
+          onPickLibrary={() => requestPermissionAndPick('library', 'side')}
-        </View>
+          samples={SAMPLES.side}
+        />
+
+        <UploadTile
+          label="背面"
+          value={uploadState.back}
+          onPickCamera={() => requestPermissionAndPick('camera', 'back')}
+          onPickLibrary={() => requestPermissionAndPick('library', 'back')}
+          samples={SAMPLES.back}
+        />
       </ScrollView>
 
       {/* Bottom CTA */}
       <View style={[styles.bottomCtaWrap, { paddingBottom: insets.bottom + 10 }]}>
         <TouchableOpacity
-          activeOpacity={0.9}
+          disabled={!canStart}
-          onPress={() => { }}
+          activeOpacity={1}
-          style={[styles.bottomCta, { backgroundColor: theme.primary }]}
+          onPress={handleStart}
+          style={[
+            styles.bottomCta,
+            { backgroundColor: canStart ? theme.primary : theme.neutral300 },
+          ]}
         >
-          <Text style={styles.bottomCtaText}>Lets Workout</Text>
+          <Text style={[styles.bottomCtaText, { color: canStart ? theme.onPrimary : theme.textMuted }]}>
+            {canStart ? '开始测评' : '请先完成三视角上传'}
+          </Text>
         </TouchableOpacity>
       </View>
     </View>
   );
 }
 
-function StatCard({
+function UploadTile({
-  icon,
   label,
   value,
+  onPickCamera,
+  onPickLibrary,
+  samples,
 }: {
-  icon: React.ReactNode;
   label: string;
-  value: string;
+  value?: string | null;
+  onPickCamera: () => void;
+  onPickLibrary: () => void;
+  samples: Sample[];
 }) {
   return (
-    <View style={styles.statCard}>
+    <View style={styles.section}>
-      <View style={styles.statIconWrap}>{icon}</View>
+      <View style={styles.sectionHeader}>
-      <View style={{ marginLeft: 8 }}>
+        <Text style={styles.sectionTitle}>{label}</Text>
-        <Text style={styles.statLabel}>{label}</Text>
+        {value ? (
-        <Text style={styles.statValue}>{value}</Text>
+          <Text style={styles.retakeHint}>可长按替换</Text>
+        ) : (
+          <Text style={styles.retakeHint}>需上传此视角</Text>
+        )}
       </View>
-    </View>
-  );
-}
 
-function ExerciseItem({ exercise }: { exercise: Exercise }) {
+      <TouchableOpacity
-  return (
+        activeOpacity={0.95}
-    <View style={styles.exerciseItem}>
+        onLongPress={onPickLibrary}
-      <Image source={{ uri: exercise.imageUri }} style={styles.exerciseThumb} />
+        onPress={onPickCamera}
-      <View style={{ flex: 1, marginHorizontal: 12 }}>
+        style={styles.uploader}
-        <Text style={styles.exerciseTitle}>{exercise.title}</Text>
+      >
-        <Text style={styles.exerciseDuration}>{exercise.duration}</Text>
+        {value ? (
+          <Image source={{ uri: value }} style={styles.preview} />
+        ) : (
+          <View style={styles.placeholder}>
+            <View style={styles.plusBadge}>
+              <Ionicons name="camera" size={16} color="#192126" />
             </View>
-      <TouchableOpacity style={styles.exercisePlayButton}>
+            <Text style={styles.placeholderTitle}>拍摄或选择照片</Text>
-        <Ionicons name="play" size={18} color="#BBF246" />
+            <Text style={styles.placeholderDesc}>点击拍摄，长按从相册选择</Text>
+          </View>
+        )}
       </TouchableOpacity>
+
+      <BlurView intensity={18} tint="dark" style={styles.sampleBox}>
+        <Text style={styles.sampleTitle}>示例</Text>
+        <View style={styles.sampleRow}>
+          {samples.map((s, idx) => (
+            <View key={idx} style={styles.sampleItem}>
+              <Image source={{ uri: s.uri }} style={styles.sampleImg} />
+              <View style={[styles.sampleTag, { backgroundColor: s.correct ? '#2BCC7F' : '#E24D4D' }]}>
+                <Text style={styles.sampleTagText}>{s.correct ? '正确示范' : '错误示范'}</Text>
+              </View>
+            </View>
+          ))}
+        </View>
+      </BlurView>
     </View>
   );
 }
@@ -183,6 +333,57 @@ const styles = StyleSheet.create({
   screen: {
     flex: 1,
   },
+  permBanner: {
+    marginTop: 12,
+    marginHorizontal: 16,
+    padding: 14,
+    borderRadius: 16,
+    backgroundColor: 'rgba(255,255,255,0.04)'
+  },
+  permTitle: {
+    color: '#ECEDEE',
+    fontSize: 16,
+    fontWeight: '700',
+  },
+  permDesc: {
+    color: 'rgba(255,255,255,0.75)',
+    marginTop: 6,
+    fontSize: 13,
+  },
+  permActions: {
+    flexDirection: 'row',
+    gap: 10,
+    marginTop: 10,
+  },
+  permPrimary: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    justifyContent: 'center',
+    paddingHorizontal: 14,
+    height: 40,
+    borderRadius: 12,
+    backgroundColor: '#BBF246',
+  },
+  permPrimaryText: {
+    color: '#192126',
+    fontSize: 14,
+    fontWeight: '800',
+  },
+  permSecondary: {
+    flexDirection: 'row',
+    alignItems: 'center',
+    justifyContent: 'center',
+    paddingHorizontal: 14,
+    height: 40,
+    borderRadius: 12,
+    borderWidth: 1,
+    borderColor: 'rgba(255,255,255,0.18)',
+  },
+  permSecondaryText: {
+    color: 'rgba(255,255,255,0.85)',
+    fontSize: 14,
+    fontWeight: '700',
+  },
   header: {
     flexDirection: 'row',
     alignItems: 'center',
@@ -202,73 +403,13 @@ const styles = StyleSheet.create({
     color: '#ECEDEE',
     fontWeight: '700',
   },
-  heroContainer: {
+  introBox: {
-    marginTop: 14,
+    marginTop: 12,
-    marginHorizontal: 16,
-  },
-  heroImage: {
-    height: 260,
-    borderRadius: 28,
-    overflow: 'hidden',
-    justifyContent: 'flex-end',
-  },
-  heroOverlay: {
-    ...StyleSheet.absoluteFillObject,
-    backgroundColor: 'rgba(0,0,0,0.18)',
-    borderRadius: 28,
-  },
-  statsFloating: {
-    position: 'absolute',
-    left: 22,
-    right: 22,
-    bottom: -26,
-    height: 72,
-    borderRadius: 20,
-    backgroundColor: '#1E262C',
-    flexDirection: 'row',
-    alignItems: 'center',
-    justifyContent: 'space-around',
-    paddingHorizontal: 14,
-    shadowColor: '#000',
-    shadowOpacity: 0.3,
-    shadowRadius: 10,
-    shadowOffset: { width: 0, height: 6 },
-    elevation: 6,
-  },
-  divider: {
-    width: 1,
-    height: 36,
-    backgroundColor: 'rgba(255,255,255,0.08)',
-  },
-  statCard: {
-    flexDirection: 'row',
-    alignItems: 'center',
-  },
-  statIconWrap: {
-    width: 36,
-    height: 36,
-    borderRadius: 12,
-    backgroundColor: '#BBF246',
-    alignItems: 'center',
-    justifyContent: 'center',
-  },
-  statLabel: {
-    color: 'rgba(255,255,255,0.75)',
-    fontSize: 12,
-    marginBottom: 2,
-  },
-  statValue: {
-    color: '#ECEDEE',
-    fontSize: 16,
-    fontWeight: '700',
-  },
-  contentSection: {
-    marginTop: 46,
     paddingHorizontal: 20,
-    gap: 12,
+    gap: 10,
   },
   title: {
-    fontSize: 28,
+    fontSize: 26,
     color: '#ECEDEE',
     fontWeight: '800',
   },
@@ -277,53 +418,98 @@ const styles = StyleSheet.create({
     lineHeight: 22,
     color: 'rgba(255,255,255,0.75)',
   },
-  roundsHeader: {
+  section: {
-    marginTop: 18,
+    marginTop: 16,
-    paddingHorizontal: 20,
+    paddingHorizontal: 16,
+    gap: 12,
+  },
+  sectionHeader: {
+    paddingHorizontal: 4,
     flexDirection: 'row',
     alignItems: 'center',
     justifyContent: 'space-between',
   },
-  roundsTitle: {
+  sectionTitle: {
     color: '#ECEDEE',
-    fontSize: 22,
+    fontSize: 18,
     fontWeight: '700',
   },
-  roundsCount: {
+  retakeHint: {
-    color: 'rgba(255,255,255,0.6)',
+    color: 'rgba(255,255,255,0.55)',
-    fontSize: 16,
-  },
-  exerciseItem: {
-    flexDirection: 'row',
-    alignItems: 'center',
-    backgroundColor: '#1E262C',
-    padding: 12,
-    borderRadius: 18,
-  },
-  exerciseThumb: {
-    width: 56,
-    height: 56,
-    borderRadius: 12,
-  },
-  exerciseTitle: {
-    color: '#ECEDEE',
-    fontSize: 16,
-    fontWeight: '600',
-  },
-  exerciseDuration: {
-    color: 'rgba(255,255,255,0.6)',
-    marginTop: 4,
     fontSize: 13,
   },
-  exercisePlayButton: {
+  uploader: {
+    height: 220,
+    borderRadius: 18,
+    borderWidth: 1,
+    borderStyle: 'dashed',
+    borderColor: 'rgba(255,255,255,0.18)',
+    backgroundColor: '#1E262C',
+    overflow: 'hidden',
+  },
+  preview: {
+    width: '100%',
+    height: '100%',
+  },
+  placeholder: {
+    flex: 1,
+    alignItems: 'center',
+    justifyContent: 'center',
+    gap: 8,
+  },
+  plusBadge: {
     width: 36,
     height: 36,
     borderRadius: 18,
-    borderWidth: 1,
-    borderColor: 'rgba(255,255,255,0.2)',
     alignItems: 'center',
     justifyContent: 'center',
-    backgroundColor: '#192126',
+    backgroundColor: '#BBF246',
+  },
+  placeholderTitle: {
+    color: '#ECEDEE',
+    fontSize: 16,
+    fontWeight: '700',
+  },
+  placeholderDesc: {
+    color: 'rgba(255,255,255,0.65)',
+    fontSize: 12,
+  },
+  sampleBox: {
+    marginTop: 8,
+    borderRadius: 16,
+    padding: 12,
+    backgroundColor: 'rgba(255,255,255,0.04)',
+  },
+  sampleTitle: {
+    color: 'rgba(255,255,255,0.8)',
+    fontSize: 14,
+    marginBottom: 8,
+    fontWeight: '600',
+  },
+  sampleRow: {
+    flexDirection: 'row',
+    gap: 10,
+  },
+  sampleItem: {
+    flex: 1,
+  },
+  sampleImg: {
+    width: '100%',
+    height: 90,
+    borderRadius: 12,
+    backgroundColor: '#111',
+  },
+  sampleTag: {
+    alignSelf: 'flex-start',
+    paddingHorizontal: 8,
+    paddingVertical: 4,
+    borderRadius: 8,
+    marginTop: 6,
+  },
+  sampleTagText: {
+    color: '#192126',
+    fontSize: 12,
+    fontWeight: '700',
   },
   bottomCtaWrap: {
     position: 'absolute',
@@ -338,10 +524,8 @@ const styles = StyleSheet.create({
     justifyContent: 'center',
   },
   bottomCtaText: {
-    color: '#192126',
     fontSize: 18,
     fontWeight: '800',
   },
 });
 
-

constants/Colors.ts

@@ -1,33 +1,103 @@
 /**
- * Below are the colors that are used in the app. The colors are defined in the light and dark mode.
+ * 应用全局配色规范（来自设计规范图）。
- * There are many other ways to style your app. For example, [Nativewind](https://www.nativewind.dev/), [Tamagui](https://tamagui.dev/), [unistyles](https://reactnativeunistyles.vercel.app), etc.
+ * 说明：保持原有导出结构不变，同时扩展更完整的语义令牌与原子调色板。
  */
 
-const primaryColor = '#BBF246'; // 应用主题色
+// 原子调色板（与设计图一致）
+export const palette = {
+  // Primary
+  primary: '#BBF246',
+  ink: '#192126',
+
+  // Secondary / Neutrals
+  neutral100: '#888F92',
+  neutral200: '#5E6468',
+  neutral300: '#384046',
+
+  // Accents
+  purple: '#A48AED',
+  red: '#ED4747',
+  orange: '#FCC46F',
+  blue: '#95CCE3',
+} as const;
+
+const primaryColor = palette.primary; // 应用主题色
 const tintColorLight = primaryColor;
-const tintColorDark = '#fff';
+const tintColorDark = '#FFFFFF';
 
 export const Colors = {
   light: {
+    // 基础文本/背景
     text: '#11181C',
-    background: '#fff',
+    textSecondary: palette.neutral300,
+    textMuted: palette.neutral200,
+    background: '#FFFFFF',
+    surface: '#FFFFFF',
+    card: '#FFFFFF',
+
+    // 品牌与可交互主色
     tint: tintColorLight,
     primary: primaryColor,
+    onPrimary: palette.ink, // 与主色搭配的前景色（按钮文字/图标）
+
+    // 中性色与辅助
+    neutral100: palette.neutral100,
+    neutral200: palette.neutral200,
+    neutral300: palette.neutral300,
+
+    // 状态/反馈色
+    success: palette.primary,
+    warning: palette.orange,
+    danger: palette.red,
+    info: palette.blue,
+    accentPurple: palette.purple,
+
+    // 结构色
+    border: palette.neutral100 + '33', // 20% 透明度
+    separator: palette.neutral100 + '33',
     icon: '#687076',
+
+    // Tab 相关（保持兼容）
     tabIconDefault: '#687076',
-    tabIconSelected: '#192126', // tab 激活时的文字/图标颜色（深色，在亮色背景上显示）
+    tabIconSelected: palette.ink, // tab 激活时的文字/图标颜色（深色，在亮色背景上显示）
-    tabBarBackground: '#192126', // tab 栏背景色
+    tabBarBackground: palette.ink, // tab 栏背景色
     tabBarActiveBackground: primaryColor, // tab 激活时的背景色
   },
   dark: {
+    // 基础文本/背景
     text: '#ECEDEE',
+    textSecondary: palette.neutral100,
+    textMuted: '#9BA1A6',
     background: '#151718',
+    surface: '#1A1D1E',
+    card: '#1A1D1E',
+
+    // 品牌与可交互主色
     tint: tintColorDark,
     primary: primaryColor,
+    onPrimary: palette.ink,
+
+    // 中性色与辅助
+    neutral100: palette.neutral100,
+    neutral200: palette.neutral200,
+    neutral300: palette.neutral300,
+
+    // 状态/反馈色
+    success: palette.primary,
+    warning: palette.orange,
+    danger: palette.red,
+    info: palette.blue,
+    accentPurple: palette.purple,
+
+    // 结构色
+    border: '#2A2F32',
+    separator: '#2A2F32',
     icon: '#9BA1A6',
+
+    // Tab 相关（保持兼容）
     tabIconDefault: '#9BA1A6',
-    tabIconSelected: '#192126', // 在亮色背景上使用深色文字
+    tabIconSelected: palette.ink, // 在亮色背景上使用深色文字
-    tabBarBackground: '#192126',
+    tabBarBackground: palette.ink,
     tabBarActiveBackground: primaryColor,
   },
-};
+} as const;

ios/Podfile.lock

@@ -3,6 +3,9 @@ PODS:
   - DoubleConversion (1.1.6)
   - EXConstants (17.1.7):
     - ExpoModulesCore
+  - EXImageLoader (5.1.0):
+    - ExpoModulesCore
+    - React-Core
   - Expo (53.0.20):
     - DoubleConversion
     - ExpoModulesCore
@@ -49,6 +52,8 @@ PODS:
     - SDWebImageAVIFCoder (~> 0.11.0)
     - SDWebImageSVGCoder (~> 1.7.0)
     - SDWebImageWebPCoder (~> 0.14.6)
+  - ExpoImagePicker (16.1.4):
+    - ExpoModulesCore
   - ExpoKeepAwake (14.1.4):
     - ExpoModulesCore
   - ExpoLinearGradient (14.1.5):
@@ -2100,6 +2105,7 @@ DEPENDENCIES:
   - boost (from `../node_modules/react-native/third-party-podspecs/boost.podspec`)
   - DoubleConversion (from `../node_modules/react-native/third-party-podspecs/DoubleConversion.podspec`)
   - EXConstants (from `../node_modules/expo-constants/ios`)
+  - EXImageLoader (from `../node_modules/expo-image-loader/ios`)
   - Expo (from `../node_modules/expo`)
   - ExpoAsset (from `../node_modules/expo-asset/ios`)
   - ExpoBlur (from `../node_modules/expo-blur/ios`)
@@ -2108,6 +2114,7 @@ DEPENDENCIES:
   - ExpoHaptics (from `../node_modules/expo-haptics/ios`)
   - ExpoHead (from `../node_modules/expo-router/ios`)
   - ExpoImage (from `../node_modules/expo-image/ios`)
+  - ExpoImagePicker (from `../node_modules/expo-image-picker/ios`)
   - ExpoKeepAwake (from `../node_modules/expo-keep-awake/ios`)
   - ExpoLinearGradient (from `../node_modules/expo-linear-gradient/ios`)
   - ExpoLinking (from `../node_modules/expo-linking/ios`)
@@ -2212,6 +2219,8 @@ EXTERNAL SOURCES:
     :podspec: "../node_modules/react-native/third-party-podspecs/DoubleConversion.podspec"
   EXConstants:
     :path: "../node_modules/expo-constants/ios"
+  EXImageLoader:
+    :path: "../node_modules/expo-image-loader/ios"
   Expo:
     :path: "../node_modules/expo"
   ExpoAsset:
@@ -2228,6 +2237,8 @@ EXTERNAL SOURCES:
     :path: "../node_modules/expo-router/ios"
   ExpoImage:
     :path: "../node_modules/expo-image/ios"
+  ExpoImagePicker:
+    :path: "../node_modules/expo-image-picker/ios"
   ExpoKeepAwake:
     :path: "../node_modules/expo-keep-awake/ios"
   ExpoLinearGradient:
@@ -2400,6 +2411,7 @@ SPEC CHECKSUMS:
   boost: 7e761d76ca2ce687f7cc98e698152abd03a18f90
   DoubleConversion: cb417026b2400c8f53ae97020b2be961b59470cb
   EXConstants: 98bcf0f22b820f9b28f9fee55ff2daededadd2f8
+  EXImageLoader: 4d3d3284141f1a45006cc4d0844061c182daf7ee
   Expo: a40d525c930dd1c8a158e082756ee071955baccb
   ExpoAsset: ef06e880126c375f580d4923fdd1cdf4ee6ee7d6
   ExpoBlur: 3c8885b9bf9eef4309041ec87adec48b5f1986a9
@@ -2408,6 +2420,7 @@ SPEC CHECKSUMS:
   ExpoHaptics: 0ff6e0d83cd891178a306e548da1450249d54500
   ExpoHead: a7b66cbaeeb51f4a85338d335a0f5467e29a2c90
   ExpoImage: e4102c93d1dbe99ff54b075452d1bc9d6ec21b7c
+  ExpoImagePicker: 0963da31800c906e01c03e25d7c849f16ebf02a2
   ExpoKeepAwake: bf0811570c8da182bfb879169437d4de298376e7
   ExpoLinearGradient: 7734c8059972fcf691fb4330bcdf3390960a152d
   ExpoLinking: d5c183998ca6ada66ff45e407e0f965b398a8902

ios/digitalpilates.xcodeproj/project.pbxproj

@@ -8,28 +8,28 @@
 
 /* Begin PBXBuildFile section */
 		13B07FBF1A68108700A75B9A /* Images.xcassets in Resources */ = {isa = PBXBuildFile; fileRef = 13B07FB51A68108700A75B9A /* Images.xcassets */; };
-		27B482E4BA415859EA8B0372 /* ExpoModulesProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = 8732A3660B00244505674555 /* ExpoModulesProvider.swift */; };
+		2C9C524987451393B76B9C7E /* PrivacyInfo.xcprivacy in Resources */ = {isa = PBXBuildFile; fileRef = 7EC44F9488C227087AA8DF97 /* PrivacyInfo.xcprivacy */; };
 		3E461D99554A48A4959DE609 /* SplashScreen.storyboard in Resources */ = {isa = PBXBuildFile; fileRef = AA286B85B6C04FC6940260E9 /* SplashScreen.storyboard */; };
-		7F5A026795C1BF28BEBBFA4E /* libPods-digitalpilates.a in Frameworks */ = {isa = PBXBuildFile; fileRef = FDAB65677BEFC9C3E52449E8 /* libPods-digitalpilates.a */; };
+		6B6021A2D1EB466803BE19D7 /* libPods-digitalpilates.a in Frameworks */ = {isa = PBXBuildFile; fileRef = F1A078ADDB1BCB06E0DBEFDA /* libPods-digitalpilates.a */; };
 		BB2F792D24A3F905000567C9 /* Expo.plist in Resources */ = {isa = PBXBuildFile; fileRef = BB2F792C24A3F905000567C9 /* Expo.plist */; };
-		CBE4D0B57478826DADA47BC9 /* PrivacyInfo.xcprivacy in Resources */ = {isa = PBXBuildFile; fileRef = C59D7448330DC33ACFEECB09 /* PrivacyInfo.xcprivacy */; };
+		DC3BFC72D3A68C7493D5B44A /* ExpoModulesProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = 83D1B5F0EC906D7A2F599549 /* ExpoModulesProvider.swift */; };
 		F11748422D0307B40044C1D9 /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = F11748412D0307B40044C1D9 /* AppDelegate.swift */; };
 /* End PBXBuildFile section */
 
 /* Begin PBXFileReference section */
-		031BAB3982A98E78D1493449 /* Pods-digitalpilates.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-digitalpilates.debug.xcconfig"; path = "Target Support Files/Pods-digitalpilates/Pods-digitalpilates.debug.xcconfig"; sourceTree = "<group>"; };
 		13B07F961A680F5B00A75B9A /* digitalpilates.app */ = {isa = PBXFileReference; explicitFileType = wrapper.application; includeInIndex = 0; path = digitalpilates.app; sourceTree = BUILT_PRODUCTS_DIR; };
 		13B07FB51A68108700A75B9A /* Images.xcassets */ = {isa = PBXFileReference; lastKnownFileType = folder.assetcatalog; name = Images.xcassets; path = digitalpilates/Images.xcassets; sourceTree = "<group>"; };
 		13B07FB61A68108700A75B9A /* Info.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = Info.plist; path = digitalpilates/Info.plist; sourceTree = "<group>"; };
-		7398BB3C47424238F7BEF8F9 /* Pods-digitalpilates.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-digitalpilates.release.xcconfig"; path = "Target Support Files/Pods-digitalpilates/Pods-digitalpilates.release.xcconfig"; sourceTree = "<group>"; };
+		4D6B8E20DD8E5677F8B2EAA1 /* Pods-digitalpilates.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-digitalpilates.debug.xcconfig"; path = "Target Support Files/Pods-digitalpilates/Pods-digitalpilates.debug.xcconfig"; sourceTree = "<group>"; };
-		8732A3660B00244505674555 /* ExpoModulesProvider.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = ExpoModulesProvider.swift; path = "Pods/Target Support Files/Pods-digitalpilates/ExpoModulesProvider.swift"; sourceTree = "<group>"; };
+		7EC44F9488C227087AA8DF97 /* PrivacyInfo.xcprivacy */ = {isa = PBXFileReference; includeInIndex = 1; name = PrivacyInfo.xcprivacy; path = digitalpilates/PrivacyInfo.xcprivacy; sourceTree = "<group>"; };
+		83D1B5F0EC906D7A2F599549 /* ExpoModulesProvider.swift */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = sourcecode.swift; name = ExpoModulesProvider.swift; path = "Pods/Target Support Files/Pods-digitalpilates/ExpoModulesProvider.swift"; sourceTree = "<group>"; };
 		AA286B85B6C04FC6940260E9 /* SplashScreen.storyboard */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = file.storyboard; name = SplashScreen.storyboard; path = digitalpilates/SplashScreen.storyboard; sourceTree = "<group>"; };
 		BB2F792C24A3F905000567C9 /* Expo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; path = Expo.plist; sourceTree = "<group>"; };
-		C59D7448330DC33ACFEECB09 /* PrivacyInfo.xcprivacy */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xml; name = PrivacyInfo.xcprivacy; path = digitalpilates/PrivacyInfo.xcprivacy; sourceTree = "<group>"; };
+		EA6A757B2DE1747F7B3664B4 /* Pods-digitalpilates.release.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-digitalpilates.release.xcconfig"; path = "Target Support Files/Pods-digitalpilates/Pods-digitalpilates.release.xcconfig"; sourceTree = "<group>"; };
 		ED297162215061F000B7C4FE /* JavaScriptCore.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = JavaScriptCore.framework; path = System/Library/Frameworks/JavaScriptCore.framework; sourceTree = SDKROOT; };
 		F11748412D0307B40044C1D9 /* AppDelegate.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; name = AppDelegate.swift; path = digitalpilates/AppDelegate.swift; sourceTree = "<group>"; };
 		F11748442D0722820044C1D9 /* digitalpilates-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; name = "digitalpilates-Bridging-Header.h"; path = "digitalpilates/digitalpilates-Bridging-Header.h"; sourceTree = "<group>"; };
-		FDAB65677BEFC9C3E52449E8 /* libPods-digitalpilates.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-digitalpilates.a"; sourceTree = BUILT_PRODUCTS_DIR; };
+		F1A078ADDB1BCB06E0DBEFDA /* libPods-digitalpilates.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; includeInIndex = 0; path = "libPods-digitalpilates.a"; sourceTree = BUILT_PRODUCTS_DIR; };
 /* End PBXFileReference section */
 
 /* Begin PBXFrameworksBuildPhase section */
@@ -37,7 +37,7 @@
 			isa = PBXFrameworksBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
-				7F5A026795C1BF28BEBBFA4E /* libPods-digitalpilates.a in Frameworks */,
+				6B6021A2D1EB466803BE19D7 /* libPods-digitalpilates.a in Frameworks */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -53,7 +53,7 @@
 				13B07FB51A68108700A75B9A /* Images.xcassets */,
 				13B07FB61A68108700A75B9A /* Info.plist */,
 				AA286B85B6C04FC6940260E9 /* SplashScreen.storyboard */,
-				C59D7448330DC33ACFEECB09 /* PrivacyInfo.xcprivacy */,
+				7EC44F9488C227087AA8DF97 /* PrivacyInfo.xcprivacy */,
 			);
 			name = digitalpilates;
 			sourceTree = "<group>";
@@ -62,17 +62,19 @@
 			isa = PBXGroup;
 			children = (
 				ED297162215061F000B7C4FE /* JavaScriptCore.framework */,
-				FDAB65677BEFC9C3E52449E8 /* libPods-digitalpilates.a */,
+				F1A078ADDB1BCB06E0DBEFDA /* libPods-digitalpilates.a */,
 			);
 			name = Frameworks;
 			sourceTree = "<group>";
 		};
-		7B79F82457416491183F46D6 /* digitalpilates */ = {
+		3EE8D66219D64F4A63E8298D /* Pods */ = {
 			isa = PBXGroup;
 			children = (
-				8732A3660B00244505674555 /* ExpoModulesProvider.swift */,
+				4D6B8E20DD8E5677F8B2EAA1 /* Pods-digitalpilates.debug.xcconfig */,
+				EA6A757B2DE1747F7B3664B4 /* Pods-digitalpilates.release.xcconfig */,
 			);
-			name = digitalpilates;
+			name = Pods;
+			path = Pods;
 			sourceTree = "<group>";
 		};
 		832341AE1AAA6A7D00B99B32 /* Libraries */ = {
@@ -89,8 +91,8 @@
 				832341AE1AAA6A7D00B99B32 /* Libraries */,
 				83CBBA001A601CBA00E9B192 /* Products */,
 				2D16E6871FA4F8E400B85C8A /* Frameworks */,
-				8D14961AE80832AA51F9FFA3 /* Pods */,
+				3EE8D66219D64F4A63E8298D /* Pods */,
-				F7E6B913F90880BFADBE192E /* ExpoModulesProviders */,
+				F899CC3CCA86CFEC0C4F53F7 /* ExpoModulesProviders */,
 			);
 			indentWidth = 2;
 			sourceTree = "<group>";
@@ -105,15 +107,6 @@
 			name = Products;
 			sourceTree = "<group>";
 		};
-		8D14961AE80832AA51F9FFA3 /* Pods */ = {
-			isa = PBXGroup;
-			children = (
-				031BAB3982A98E78D1493449 /* Pods-digitalpilates.debug.xcconfig */,
-				7398BB3C47424238F7BEF8F9 /* Pods-digitalpilates.release.xcconfig */,
-			);
-			path = Pods;
-			sourceTree = "<group>";
-		};
 		BB2F792B24A3F905000567C9 /* Supporting */ = {
 			isa = PBXGroup;
 			children = (
@@ -123,10 +116,18 @@
 			path = digitalpilates/Supporting;
 			sourceTree = "<group>";
 		};
-		F7E6B913F90880BFADBE192E /* ExpoModulesProviders */ = {
+		DFAD2B7142CEC38E9ED66053 /* digitalpilates */ = {
 			isa = PBXGroup;
 			children = (
-				7B79F82457416491183F46D6 /* digitalpilates */,
+				83D1B5F0EC906D7A2F599549 /* ExpoModulesProvider.swift */,
+			);
+			name = digitalpilates;
+			sourceTree = "<group>";
+		};
+		F899CC3CCA86CFEC0C4F53F7 /* ExpoModulesProviders */ = {
+			isa = PBXGroup;
+			children = (
+				DFAD2B7142CEC38E9ED66053 /* digitalpilates */,
 			);
 			name = ExpoModulesProviders;
 			sourceTree = "<group>";
@@ -139,13 +140,13 @@
 			buildConfigurationList = 13B07F931A680F5B00A75B9A /* Build configuration list for PBXNativeTarget "digitalpilates" */;
 			buildPhases = (
 				08A4A3CD28434E44B6B9DE2E /* [CP] Check Pods Manifest.lock */,
-				E959B4C3D4071EECDD504F2E /* [Expo] Configure project */,
+				60F566376E07CDAA8138E40B /* [Expo] Configure project */,
 				13B07F871A680F5B00A75B9A /* Sources */,
 				13B07F8C1A680F5B00A75B9A /* Frameworks */,
 				13B07F8E1A680F5B00A75B9A /* Resources */,
 				00DD1BFF1BD5951E006B06BC /* Bundle React Native code and images */,
 				800E24972A6A228C8D4807E9 /* [CP] Copy Pods Resources */,
-				679509E8E2F87FD68CDC2915 /* [CP] Embed Pods Frameworks */,
+				761236F3114550442BC2DA44 /* [CP] Embed Pods Frameworks */,
 			);
 			buildRules = (
 			);
@@ -195,7 +196,7 @@
 				BB2F792D24A3F905000567C9 /* Expo.plist in Resources */,
 				13B07FBF1A68108700A75B9A /* Images.xcassets in Resources */,
 				3E461D99554A48A4959DE609 /* SplashScreen.storyboard in Resources */,
-				CBE4D0B57478826DADA47BC9 /* PrivacyInfo.xcprivacy in Resources */,
+				2C9C524987451393B76B9C7E /* PrivacyInfo.xcprivacy in Resources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -239,7 +240,26 @@
 			shellScript = "diff \"${PODS_PODFILE_DIR_PATH}/Podfile.lock\" \"${PODS_ROOT}/Manifest.lock\" > /dev/null\nif [ $? != 0 ] ; then\n    # print error to STDERR\n    echo \"error: The sandbox is not in sync with the Podfile.lock. Run 'pod install' or update your CocoaPods installation.\" >&2\n    exit 1\nfi\n# This output is used by Xcode 'outputs' to avoid re-running this script phase.\necho \"SUCCESS\" > \"${SCRIPT_OUTPUT_FILE_0}\"\n";
 			showEnvVarsInLog = 0;
 		};
-		679509E8E2F87FD68CDC2915 /* [CP] Embed Pods Frameworks */ = {
+		60F566376E07CDAA8138E40B /* [Expo] Configure project */ = {
+			isa = PBXShellScriptBuildPhase;
+			alwaysOutOfDate = 1;
+			buildActionMask = 2147483647;
+			files = (
+			);
+			inputFileListPaths = (
+			);
+			inputPaths = (
+			);
+			name = "[Expo] Configure project";
+			outputFileListPaths = (
+			);
+			outputPaths = (
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+			shellPath = /bin/sh;
+			shellScript = "# This script configures Expo modules and generates the modules provider file.\nbash -l -c \"./Pods/Target\\ Support\\ Files/Pods-digitalpilates/expo-configure-project.sh\"\n";
+		};
+		761236F3114550442BC2DA44 /* [CP] Embed Pods Frameworks */ = {
 			isa = PBXShellScriptBuildPhase;
 			buildActionMask = 2147483647;
 			files = (
@@ -295,25 +315,6 @@
 			shellScript = "\"${PODS_ROOT}/Target Support Files/Pods-digitalpilates/Pods-digitalpilates-resources.sh\"\n";
 			showEnvVarsInLog = 0;
 		};
-		E959B4C3D4071EECDD504F2E /* [Expo] Configure project */ = {
-			isa = PBXShellScriptBuildPhase;
-			alwaysOutOfDate = 1;
-			buildActionMask = 2147483647;
-			files = (
-			);
-			inputFileListPaths = (
-			);
-			inputPaths = (
-			);
-			name = "[Expo] Configure project";
-			outputFileListPaths = (
-			);
-			outputPaths = (
-			);
-			runOnlyForDeploymentPostprocessing = 0;
-			shellPath = /bin/sh;
-			shellScript = "# This script configures Expo modules and generates the modules provider file.\nbash -l -c \"./Pods/Target\\ Support\\ Files/Pods-digitalpilates/expo-configure-project.sh\"\n";
-		};
 /* End PBXShellScriptBuildPhase section */
 
 /* Begin PBXSourcesBuildPhase section */
@@ -322,7 +323,7 @@
 			buildActionMask = 2147483647;
 			files = (
 				F11748422D0307B40044C1D9 /* AppDelegate.swift in Sources */,
-				27B482E4BA415859EA8B0372 /* ExpoModulesProvider.swift in Sources */,
+				DC3BFC72D3A68C7493D5B44A /* ExpoModulesProvider.swift in Sources */,
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 		};
@@ -331,13 +332,12 @@
 /* Begin XCBuildConfiguration section */
 		13B07F941A680F5B00A75B9A /* Debug */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = 031BAB3982A98E78D1493449 /* Pods-digitalpilates.debug.xcconfig */;
+			baseConfigurationReference = 4D6B8E20DD8E5677F8B2EAA1 /* Pods-digitalpilates.debug.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_ENTITLEMENTS = digitalpilates/digitalpilates.entitlements;
 				CURRENT_PROJECT_VERSION = 1;
-				DEVELOPMENT_TEAM = 756WVXJ6MT;
 				ENABLE_BITCODE = NO;
 				GCC_PREPROCESSOR_DEFINITIONS = (
 					"$(inherited)",
@@ -368,13 +368,12 @@
 		};
 		13B07F951A680F5B00A75B9A /* Release */ = {
 			isa = XCBuildConfiguration;
-			baseConfigurationReference = 7398BB3C47424238F7BEF8F9 /* Pods-digitalpilates.release.xcconfig */;
+			baseConfigurationReference = EA6A757B2DE1747F7B3664B4 /* Pods-digitalpilates.release.xcconfig */;
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CLANG_ENABLE_MODULES = YES;
 				CODE_SIGN_ENTITLEMENTS = digitalpilates/digitalpilates.entitlements;
 				CURRENT_PROJECT_VERSION = 1;
-				DEVELOPMENT_TEAM = 756WVXJ6MT;
 				INFOPLIST_FILE = digitalpilates/Info.plist;
 				IPHONEOS_DEPLOYMENT_TARGET = 15.1;
 				LD_RUNPATH_SEARCH_PATHS = (

ios/digitalpilates/Info.plist

@@ -1,7 +1,7 @@
 <?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>
+  <dict>
     <key>CADisableMinimumFrameDurationOnPhone</key>
     <true/>
     <key>CFBundleDevelopmentRegion</key>
@@ -28,12 +28,14 @@
         <key>CFBundleURLSchemes</key>
         <array>
           <string>digitalpilates</string>
-				<string>digital-pilates</string>
+          <string>com.anonymous.digitalpilates</string>
         </array>
       </dict>
     </array>
     <key>CFBundleVersion</key>
     <string>1</string>
+    <key>ITSAppUsesNonExemptEncryption</key>
+    <false/>
     <key>LSMinimumSystemVersion</key>
     <string>12.0</string>
     <key>LSRequiresIPhoneOS</key>
@@ -45,10 +47,16 @@
       <key>NSAllowsLocalNetworking</key>
       <true/>
     </dict>
+    <key>NSCameraUsageDescription</key>
+    <string>应用需要使用相机以拍摄您的体态照片用于AI测评。</string>
     <key>NSHealthShareUsageDescription</key>
     <string>应用需要访问您的健康数据（步数与能量消耗）以展示运动统计。</string>
     <key>NSHealthUpdateUsageDescription</key>
     <string>Allow $(PRODUCT_NAME) to update health info</string>
+    <key>NSPhotoLibraryAddUsageDescription</key>
+    <string>应用需要写入相册以保存拍摄的体态照片（可选）。</string>
+    <key>NSPhotoLibraryUsageDescription</key>
+    <string>应用需要访问相册以选择您的体态照片用于AI测评。</string>
     <key>NSUserActivityTypes</key>
     <array>
       <string>$(PRODUCT_BUNDLE_IDENTIFIER).expo.index_route</string>
@@ -79,8 +87,5 @@
     <string>Automatic</string>
     <key>UIViewControllerBasedStatusBarAppearance</key>
     <false/>
-	<!-- Export compliance: App does not use non-exempt encryption -->
+  </dict>
-	<key>ITSAppUsesNonExemptEncryption</key>
-	<false/>
-</dict>
 </plist>

package-lock.json

@@ -20,6 +20,7 @@
         "expo-font": "~13.3.2",
         "expo-haptics": "~14.1.4",
         "expo-image": "~2.4.0",
+        "expo-image-picker": "~16.1.4",
         "expo-linear-gradient": "^14.1.5",
         "expo-linking": "~7.1.7",
         "expo-router": "~5.1.4",
@@ -6301,6 +6302,27 @@
         }
       }
     },
+    "node_modules/expo-image-loader": {
+      "version": "5.1.0",
+      "resolved": "https://mirrors.tencent.com/npm/expo-image-loader/-/expo-image-loader-5.1.0.tgz",
+      "integrity": "sha512-sEBx3zDQIODWbB5JwzE7ZL5FJD+DK3LVLWBVJy6VzsqIA6nDEnSFnsnWyCfCTSvbGigMATs1lgkC2nz3Jpve1Q==",
+      "license": "MIT",
+      "peerDependencies": {
+        "expo": "*"
+      }
+    },
+    "node_modules/expo-image-picker": {
+      "version": "16.1.4",
+      "resolved": "https://mirrors.tencent.com/npm/expo-image-picker/-/expo-image-picker-16.1.4.tgz",
+      "integrity": "sha512-bTmmxtw1AohUT+HxEBn2vYwdeOrj1CLpMXKjvi9FKSoSbpcarT4xxI0z7YyGwDGHbrJqyyic3I9TTdP2J2b4YA==",
+      "license": "MIT",
+      "dependencies": {
+        "expo-image-loader": "~5.1.0"
+      },
+      "peerDependencies": {
+        "expo": "*"
+      }
+    },
     "node_modules/expo-keep-awake": {
       "version": "14.1.4",
       "resolved": "https://registry.npmjs.org/expo-keep-awake/-/expo-keep-awake-14.1.4.tgz",

package.json

@@ -40,7 +40,8 @@
     "react-native-safe-area-context": "5.4.0",
     "react-native-screens": "~4.11.1",
     "react-native-web": "~0.20.0",
-    "react-native-webview": "13.13.5"
+    "react-native-webview": "13.13.5",
+    "expo-image-picker": "~16.1.4"
   },
   "devDependencies": {
     "@babel/core": "^7.25.2",