feat: Implement Food Camera Screen and Floating Food Overlay

- Added FoodCameraScreen for capturing food images with camera functionality.
- Integrated image picker for selecting images from the gallery.
- Created FloatingFoodOverlay for quick access to food library and scanning options.
- Updated NutritionRadarCard to utilize FloatingFoodOverlay for adding food.
- Enhanced ExploreScreen layout and styles for better user experience.
- Removed unused SafeAreaView from ExploreScreen.
- Updated profile edit screen to remove unnecessary state variables.
- Updated avatar image source in profile edit screen.
- Added ExpoCamera dependency for camera functionalities.

app/(tabs)/personal.tsx

@@ -10,11 +10,12 @@ import { Ionicons } from '@expo/vector-icons';
 import { useBottomTabBarHeight } from '@react-navigation/bottom-tabs';
 import { useFocusEffect } from '@react-navigation/native';
 import { Image } from 'expo-image';
+import { LinearGradient } from 'expo-linear-gradient';
 import React, { useEffect, useMemo, useState } from 'react';
 import { Alert, Linking, ScrollView, StatusBar, StyleSheet, Switch, Text, TouchableOpacity, View } from 'react-native';
-import { SafeAreaView, useSafeAreaInsets } from 'react-native-safe-area-context';
+import { useSafeAreaInsets } from 'react-native-safe-area-context';
 
-const DEFAULT_AVATAR_URL = 'https://plates-1251306435.cos.ap-guangzhou.myqcloud.com/images/avatar/avatarGirl01.jpeg';
+const DEFAULT_AVATAR_URL = 'https://plates-1251306435.cos.ap-guangzhou.myqcloud.com/images/seal-avatar/2.jpeg';
 
 export default function PersonalScreen() {
   const dispatch = useAppDispatch();
@@ -24,7 +25,6 @@ export default function PersonalScreen() {
 
   // 推送通知相关
   const {
-    permissionStatus,
     requestPermission,
     sendNotification,
   } = useNotifications();
@@ -133,10 +133,11 @@ export default function PersonalScreen() {
 
   // 用户信息头部
   const UserHeader = () => (
-    <View style={styles.sectionContainer}>
+    <View style={[styles.sectionContainer, {
-      <Text style={styles.sectionTitle}>个人信息</Text>
+      marginBottom: 0
-      <View style={styles.cardContainer}>
+    }]}>
-        <View style={styles.userInfoContainer}>
+
+      <View style={[styles.userInfoContainer,]}>
         <View style={styles.avatarContainer}>
           <Image
             source={userProfile.avatar || DEFAULT_AVATAR_URL}
@@ -153,15 +154,16 @@ export default function PersonalScreen() {
           <Text style={styles.editButtonText}>编辑</Text>
         </TouchableOpacity>
       </View>
-      </View>
+
     </View>
   );
 
   // 数据统计部分
   const StatsSection = () => (
     <View style={styles.sectionContainer}>
-      <Text style={styles.sectionTitle}>身体数据</Text>
+      <View style={[styles.cardContainer, {
-      <View style={styles.cardContainer}>
+        backgroundColor: 'unset'
+      }]}>
         <View style={styles.statsContainer}>
           <View style={styles.statItem}>
             <Text style={styles.statValue}>{formatHeight()}</Text>
@@ -224,16 +226,6 @@ export default function PersonalScreen() {
 
   // 菜单项配置
   const menuSections = [
-    {
-      title: '账户',
-      items: [
-        {
-          icon: 'flag-outline' as const,
-          title: '目标管理',
-          onPress: () => pushIfAuthedElseLogin('/profile/goals'),
-        },
-      ],
-    },
     {
       title: '通知',
       items: [
@@ -284,10 +276,26 @@ export default function PersonalScreen() {
   return (
     <View style={styles.container}>
       <StatusBar barStyle={'dark-content'} backgroundColor="transparent" translucent />
-      <SafeAreaView style={styles.safeArea}>
+
+      {/* 背景渐变 */}
+      <LinearGradient
+        colors={['#f5e5fbff', '#e5fcfeff', '#eefdffff', '#e6f6fcff']}
+        style={styles.gradientBackground}
+        start={{ x: 0, y: 0 }}
+        end={{ x: 0, y: 1 }}
+      />
+
+      {/* 装饰性圆圈 */}
+      <View style={styles.decorativeCircle1} />
+      <View style={styles.decorativeCircle2} />
+
       <ScrollView
         style={styles.scrollView}
-          contentContainerStyle={{ paddingBottom: bottomPadding }}
+        contentContainerStyle={{
+          paddingTop: insets.top,
+          paddingBottom: bottomPadding,
+          paddingHorizontal: 16,
+        }}
         showsVerticalScrollIndicator={false}
       >
         <UserHeader />
@@ -307,7 +315,6 @@ export default function PersonalScreen() {
           <MenuSection key={index} title={section.title} items={section.items} />
         ))}
       </ScrollView>
-      </SafeAreaView>
     </View>
   );
 }
@@ -315,15 +322,36 @@ export default function PersonalScreen() {
 const styles = StyleSheet.create({
   container: {
     flex: 1,
-    backgroundColor: '#F0F9FF',
   },
-  safeArea: {
+  gradientBackground: {
-    flex: 1,
+    position: 'absolute',
+    left: 0,
+    right: 0,
+    top: 0,
+    bottom: 0,
+  },
+  decorativeCircle1: {
+    position: 'absolute',
+    top: 40,
+    right: 20,
+    width: 60,
+    height: 60,
+    borderRadius: 30,
+    backgroundColor: '#0EA5E9',
+    opacity: 0.1,
+  },
+  decorativeCircle2: {
+    position: 'absolute',
+    bottom: -15,
+    left: -15,
+    width: 40,
+    height: 40,
+    borderRadius: 20,
+    backgroundColor: '#0EA5E9',
+    opacity: 0.05,
   },
   scrollView: {
     flex: 1,
-    paddingHorizontal: 16,
-    paddingTop: 16,
   },
   // 部分容器
   sectionContainer: {
@@ -453,3 +481,4 @@ const styles = StyleSheet.create({
     marginLeft: 4,
   },
 });
+

app/(tabs)/statistics.tsx

@@ -34,7 +34,6 @@ import React, { useEffect, useMemo, useRef, useState } from 'react';
 import {
   AppState,
   Image,
-  SafeAreaView,
   ScrollView,
   StyleSheet,
   Text,
@@ -366,7 +365,7 @@ export default function ExploreScreen() {
 
   // 使用 lodash debounce 防抖的加载所有数据方法
   const debouncedLoadAllData = React.useMemo(
-    () => debounce(executeLoadAllData, 300), // 300ms 防抖延迟
+    () => debounce(executeLoadAllData, 500), // 500ms 防抖延迟
     [executeLoadAllData]
   );
 
@@ -573,7 +572,7 @@ export default function ExploreScreen() {
     <View style={styles.container}>
       {/* 背景渐变 */}
       <LinearGradient
-        colors={['#f8f3faff', '#b3f6f8ff', '#bcf1f7ff', '#d3edf8ff']}
+        colors={['#f5e5fbff', '#e5fcfeff', '#eefdffff', '#e6f6fcff']}
         style={styles.gradientBackground}
         start={{ x: 0, y: 0 }}
         end={{ x: 0, y: 1 }}
@@ -583,10 +582,13 @@ export default function ExploreScreen() {
       <View style={styles.decorativeCircle1} />
       <View style={styles.decorativeCircle2} />
 
-      <SafeAreaView style={styles.safeArea}>
       <ScrollView
         style={styles.scrollView}
-          contentContainerStyle={{ paddingBottom: bottomPadding }}
+        contentContainerStyle={{
+          paddingTop: insets.top,
+          paddingBottom: bottomPadding,
+          paddingHorizontal: 20
+        }}
         showsVerticalScrollIndicator={false}
       >
         {/* 顶部信息栏 */}
@@ -733,7 +735,6 @@ export default function ExploreScreen() {
           </View>
         </View>
       </ScrollView>
-      </SafeAreaView>
     </View>
   );
 }
@@ -771,12 +772,9 @@ const styles = StyleSheet.create({
     backgroundColor: '#0EA5E9',
     opacity: 0.05,
   },
-  safeArea: {
+
-    flex: 1,
-  },
   scrollView: {
     flex: 1,
-    paddingHorizontal: 20,
   },
   headerContainer: {
     marginBottom: 10,

app/food-camera.tsx

@@ -0,0 +1,436 @@
+import { HeaderBar } from '@/components/ui/HeaderBar';
+import { Colors } from '@/constants/Colors';
+import { Ionicons } from '@expo/vector-icons';
+import { CameraType, CameraView, useCameraPermissions } from 'expo-camera';
+import * as ImagePicker from 'expo-image-picker';
+import { useLocalSearchParams, useRouter } from 'expo-router';
+import React, { useRef, useState } from 'react';
+import {
+  Alert,
+  Dimensions,
+  StatusBar,
+  StyleSheet,
+  Text,
+  TouchableOpacity,
+  View,
+} from 'react-native';
+import { SafeAreaView } from 'react-native-safe-area-context';
+
+type MealType = 'breakfast' | 'lunch' | 'dinner' | 'snack';
+
+const { width: screenWidth, height: screenHeight } = Dimensions.get('window');
+
+export default function FoodCameraScreen() {
+  const router = useRouter();
+  const params = useLocalSearchParams<{ mealType?: string }>();
+  const cameraRef = useRef<CameraView>(null);
+
+  const [currentMealType, setCurrentMealType] = useState<MealType>(
+    (params.mealType as MealType) || 'dinner'
+  );
+  const [facing, setFacing] = useState<CameraType>('back');
+  const [permission, requestPermission] = useCameraPermissions();
+
+  // 餐次选择选项
+  const mealOptions = [
+    { key: 'breakfast' as const, label: '早餐', icon: '☀️' },
+    { key: 'lunch' as const, label: '午餐', icon: '🌤️' },
+    { key: 'dinner' as const, label: '晚餐', icon: '🌙' },
+    { key: 'snack' as const, label: '加餐', icon: '🍎' },
+  ];
+
+  if (!permission) {
+    // 权限仍在加载中
+    return (
+      <SafeAreaView style={styles.container}>
+        <HeaderBar
+          title="食物拍摄"
+          onBack={() => router.back()}
+          transparent={true}
+        />
+        <View style={styles.loadingContainer}>
+          <Text style={styles.loadingText}>正在加载相机...</Text>
+        </View>
+      </SafeAreaView>
+    );
+  }
+
+  if (!permission.granted) {
+    // 没有相机权限
+    return (
+      <SafeAreaView style={styles.container}>
+        <HeaderBar
+          title="食物拍摄"
+          onBack={() => router.back()}
+          transparent={true}
+        />
+        <View style={styles.permissionContainer}>
+          <Ionicons name="camera-outline" size={64} color="#999" />
+          <Text style={styles.permissionTitle}>需要相机权限</Text>
+          <Text style={styles.permissionText}>
+            为了拍摄食物，需要访问您的相机
+          </Text>
+          <TouchableOpacity
+            style={styles.permissionButton}
+            onPress={requestPermission}
+          >
+            <Text style={styles.permissionButtonText}>授权访问</Text>
+          </TouchableOpacity>
+        </View>
+      </SafeAreaView>
+    );
+  }
+
+  // 切换相机前后摄像头
+  function toggleCameraFacing() {
+    setFacing(current => (current === 'back' ? 'front' : 'back'));
+  }
+
+  // 拍摄照片
+  const takePicture = async () => {
+    if (cameraRef.current) {
+      try {
+        const photo = await cameraRef.current.takePictureAsync({
+          quality: 0.8,
+          base64: false,
+        });
+
+        if (photo) {
+          // TODO: 处理拍摄的照片，可以传递到下一个页面进行食物识别
+          console.log('照片拍摄成功:', photo.uri);
+          Alert.alert('拍摄成功', '照片已保存，后续会添加食物识别功能');
+          // router.push(`/food-recognition?imageUri=${photo.uri}&mealType=${currentMealType}`);
+        }
+      } catch (error) {
+        console.error('拍照失败:', error);
+        Alert.alert('拍照失败', '请重试');
+      }
+    }
+  };
+
+  // 从相册选择照片
+  const pickImageFromGallery = async () => {
+    try {
+      const result = await ImagePicker.launchImageLibraryAsync({
+        mediaTypes: ImagePicker.MediaTypeOptions.Images,
+        allowsEditing: true,
+        aspect: [4, 3],
+        quality: 0.8,
+      });
+
+      if (!result.canceled && result.assets[0]) {
+        const imageUri = result.assets[0].uri;
+        console.log('从相册选择的照片:', imageUri);
+        Alert.alert('选择成功', '照片已选择，后续会添加食物识别功能');
+        // router.push(`/food-recognition?imageUri=${imageUri}&mealType=${currentMealType}`);
+      }
+    } catch (error) {
+      console.error('选择照片失败:', error);
+      Alert.alert('选择失败', '请重试');
+    }
+  };
+
+  // AR功能（暂时显示提示）
+  const handleARPress = () => {
+    Alert.alert('AR功能', 'AR食物识别功能即将推出');
+  };
+
+  // 餐次选择
+  const handleMealTypeChange = (mealType: MealType) => {
+    setCurrentMealType(mealType);
+  };
+
+  return (
+    <View style={styles.container}>
+      <StatusBar barStyle="light-content" backgroundColor="transparent" translucent />
+
+      {/* 相机视图 */}
+      <CameraView
+        ref={cameraRef}
+        style={styles.camera}
+        facing={facing}
+        ratio="16:9"
+      >
+        {/* 头部导航 */}
+        <HeaderBar
+          title=""
+          onBack={() => router.back()}
+          transparent={true}
+          backColor={'#fff'}
+        />
+
+        {/* 取景框和提示文本 */}
+        <View style={styles.overlayContainer}>
+          <Text style={styles.hintText}>确保食物在辅助框内</Text>
+
+          {/* 取景框 */}
+          <View style={styles.viewfinderContainer}>
+            <View style={styles.viewfinder}>
+              {/* 四个角的装饰 */}
+              <View style={[styles.corner, styles.topLeft]} />
+              <View style={[styles.corner, styles.topRight]} />
+              <View style={[styles.corner, styles.bottomLeft]} />
+              <View style={[styles.corner, styles.bottomRight]} />
+            </View>
+          </View>
+        </View>
+
+        {/* 餐次选择器 */}
+        <View style={styles.mealTypeContainer}>
+          {mealOptions.map((option) => (
+            <TouchableOpacity
+              key={option.key}
+              style={[
+                styles.mealTypeButton,
+                currentMealType === option.key && styles.mealTypeButtonActive
+              ]}
+              onPress={() => handleMealTypeChange(option.key)}
+            >
+              <Text style={styles.mealTypeIcon}>{option.icon}</Text>
+              <Text style={[
+                styles.mealTypeText,
+                currentMealType === option.key && styles.mealTypeTextActive
+              ]}>
+                {option.label}
+              </Text>
+            </TouchableOpacity>
+          ))}
+        </View>
+
+        {/* 底部控制栏 */}
+        <SafeAreaView style={styles.bottomContainer}>
+          <View style={styles.controlsContainer}>
+            {/* 相册按钮 */}
+            {/* <TouchableOpacity style={styles.controlButton} onPress={pickImageFromGallery}>
+              <View style={styles.albumButton}>
+                <Ionicons name="images-outline" size={24} color="#FFF" />
+              </View>
+              <Text style={styles.controlButtonText}>相册</Text>
+            </TouchableOpacity> */}
+
+            {/* 拍照按钮 */}
+            <TouchableOpacity style={styles.captureButton} onPress={takePicture}>
+              <View style={styles.captureButtonInner} />
+            </TouchableOpacity>
+
+            {/* AR按钮 */}
+            {/* <TouchableOpacity style={styles.controlButton} onPress={handleARPress}>
+              <View style={styles.arButton}>
+                <Text style={styles.arButtonText}>AR</Text>
+              </View>
+              <Text style={styles.controlButtonText}>AR</Text>
+            </TouchableOpacity> */}
+          </View>
+        </SafeAreaView>
+      </CameraView>
+    </View>
+  );
+}
+
+const styles = StyleSheet.create({
+  container: {
+    flex: 1,
+    backgroundColor: '#000',
+  },
+  camera: {
+    flex: 1,
+  },
+  loadingContainer: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+    backgroundColor: '#000',
+  },
+  loadingText: {
+    color: '#FFF',
+    fontSize: 16,
+  },
+  permissionContainer: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+    backgroundColor: '#000',
+    paddingHorizontal: 40,
+  },
+  permissionTitle: {
+    color: '#FFF',
+    fontSize: 20,
+    fontWeight: '600',
+    marginTop: 20,
+    marginBottom: 10,
+  },
+  permissionText: {
+    color: '#CCC',
+    fontSize: 16,
+    textAlign: 'center',
+    marginBottom: 30,
+    lineHeight: 22,
+  },
+  permissionButton: {
+    backgroundColor: Colors.light.primary,
+    paddingHorizontal: 24,
+    paddingVertical: 12,
+    borderRadius: 24,
+  },
+  permissionButtonText: {
+    color: '#FFF',
+    fontSize: 16,
+    fontWeight: '600',
+  },
+  header: {
+    position: 'absolute',
+    top: 0,
+    left: 0,
+    right: 0,
+    zIndex: 10,
+  },
+  overlayContainer: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+    paddingTop: 100,
+  },
+  hintText: {
+    color: '#FFF',
+    fontSize: 16,
+    fontWeight: '500',
+    marginBottom: 30,
+    textAlign: 'center',
+    textShadowColor: 'rgba(0, 0, 0, 0.75)',
+    textShadowOffset: { width: 0, height: 1 },
+    textShadowRadius: 3,
+  },
+  viewfinderContainer: {
+    flex: 1,
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  viewfinder: {
+    width: 280,
+    height: 280,
+    position: 'relative',
+  },
+  corner: {
+    position: 'absolute',
+    width: 30,
+    height: 30,
+    borderColor: '#FFF',
+    borderWidth: 3,
+  },
+  topLeft: {
+    top: 0,
+    left: 0,
+    borderRightWidth: 0,
+    borderBottomWidth: 0,
+  },
+  topRight: {
+    top: 0,
+    right: 0,
+    borderLeftWidth: 0,
+    borderBottomWidth: 0,
+  },
+  bottomLeft: {
+    bottom: 0,
+    left: 0,
+    borderRightWidth: 0,
+    borderTopWidth: 0,
+  },
+  bottomRight: {
+    bottom: 0,
+    right: 0,
+    borderLeftWidth: 0,
+    borderTopWidth: 0,
+  },
+  mealTypeContainer: {
+    flexDirection: 'row',
+    justifyContent: 'center',
+    paddingHorizontal: 20,
+    marginBottom: 20,
+  },
+  mealTypeButton: {
+    alignItems: 'center',
+    paddingHorizontal: 16,
+    paddingVertical: 8,
+    marginHorizontal: 8,
+    borderRadius: 20,
+    backgroundColor: 'rgba(255, 255, 255, 0.2)',
+    minWidth: 70,
+  },
+  mealTypeButtonActive: {
+    backgroundColor: 'rgba(255, 255, 255, 0.9)',
+  },
+  mealTypeIcon: {
+    fontSize: 20,
+    marginBottom: 2,
+  },
+  mealTypeText: {
+    color: '#FFF',
+    fontSize: 12,
+    fontWeight: '500',
+  },
+  mealTypeTextActive: {
+    color: '#333',
+  },
+  bottomContainer: {
+    backgroundColor: 'rgba(0, 0, 0, 0.3)',
+  },
+  controlsContainer: {
+    flexDirection: 'row',
+    justifyContent: 'space-around',
+    alignItems: 'center',
+    paddingVertical: 20,
+    paddingHorizontal: 40,
+  },
+  controlButton: {
+    alignItems: 'center',
+  },
+  controlButtonText: {
+    color: '#FFF',
+    fontSize: 12,
+    marginTop: 8,
+    fontWeight: '500',
+  },
+  albumButton: {
+    width: 50,
+    height: 50,
+    borderRadius: 10,
+    backgroundColor: 'rgba(255, 255, 255, 0.2)',
+    justifyContent: 'center',
+    alignItems: 'center',
+    borderWidth: 2,
+    borderColor: '#FFF',
+  },
+  captureButton: {
+    width: 80,
+    height: 80,
+    borderRadius: 40,
+    backgroundColor: '#FFF',
+    justifyContent: 'center',
+    alignItems: 'center',
+    borderWidth: 4,
+    borderColor: 'rgba(255, 255, 255, 0.3)',
+  },
+  captureButtonInner: {
+    width: 60,
+    height: 60,
+    borderRadius: 30,
+    backgroundColor: '#FFF',
+    borderWidth: 2,
+    borderColor: '#333',
+  },
+  arButton: {
+    width: 50,
+    height: 50,
+    borderRadius: 25,
+    backgroundColor: 'rgba(255, 255, 255, 0.2)',
+    justifyContent: 'center',
+    alignItems: 'center',
+    borderWidth: 2,
+    borderColor: '#FFF',
+  },
+  arButtonText: {
+    color: '#FFF',
+    fontSize: 14,
+    fontWeight: 'bold',
+  },
+});

app/profile/edit.tsx

@@ -70,9 +70,6 @@ export default function EditProfileScreen() {
     activityLevel: undefined,
   });
 
-  const [weightInput, setWeightInput] = useState<string>('');
-  const [heightInput, setHeightInput] = useState<string>('');
-
   // 出生日期选择器
   const [datePickerVisible, setDatePickerVisible] = useState(false);
   const [pickerDate, setPickerDate] = useState<Date>(new Date());
@@ -115,8 +112,7 @@ export default function EditProfileScreen() {
       }
       console.log('loadLocalProfile', next);
       setProfile((prev) => ({ ...next, avatarUri: prev.avatarUri ?? next.avatarUri ?? null }));
-      setWeightInput(next.weight != null ? String(round(next.weight, 1)) : '');
+
-      setHeightInput(next.height != null ? String(Math.round(next.height)) : '');
     } catch (e) {
       console.warn('读取资料失败', e);
     }
@@ -276,7 +272,7 @@ export default function EditProfileScreen() {
           <View style={{ alignItems: 'center', marginTop: 4, marginBottom: 32 }}>
             <TouchableOpacity activeOpacity={0.85} onPress={pickAvatarFromLibrary} disabled={uploading}>
               <View style={styles.avatarCircle}>
-                <Image source={{ uri: profile.avatarUri || 'https://plates-1251306435.cos.ap-guangzhou.myqcloud.com/images/avatar/avatarGirl01.jpeg' }} style={styles.avatarImage} />
+                <Image source={{ uri: profile.avatarUri || 'https://plates-1251306435.cos.ap-guangzhou.myqcloud.com/images/seal-avatar/2.jpeg' }} style={styles.avatarImage} />
                 <View style={styles.avatarOverlay}>
                   <Ionicons name="camera" size={22} color="#192126" />
                 </View>
@@ -394,11 +390,11 @@ export default function EditProfileScreen() {
               } else if (field === 'height') {
                 updatedProfile.height = parseFloat(value) || undefined;
                 setProfile(p => ({ ...p, height: parseFloat(value) || undefined }));
-                setHeightInput(value);
+
               } else if (field === 'weight') {
                 updatedProfile.weight = parseFloat(value) || undefined;
                 setProfile(p => ({ ...p, weight: parseFloat(value) || undefined }));
-                setWeightInput(value);
+
               } else if (field === 'activity') {
                 const activityLevel = parseInt(value) as number;
                 updatedProfile.activityLevel = activityLevel;

components/FloatingFoodOverlay.tsx

@@ -0,0 +1,192 @@
+import { ROUTES } from '@/constants/Routes';
+import { Ionicons } from '@expo/vector-icons';
+import { BlurView } from 'expo-blur';
+import { useRouter } from 'expo-router';
+import React from 'react';
+import {
+  Modal,
+  StyleSheet,
+  Text,
+  TouchableOpacity,
+  View,
+} from 'react-native';
+
+interface FloatingFoodOverlayProps {
+  visible: boolean;
+  onClose: () => void;
+  mealType?: string;
+}
+
+export function FloatingFoodOverlay({ visible, onClose, mealType = 'dinner' }: FloatingFoodOverlayProps) {
+  const router = useRouter();
+
+  const handleFoodLibrary = () => {
+    onClose();
+    router.push(`${ROUTES.FOOD_LIBRARY}?mealType=${mealType}`);
+  };
+
+  const handlePhotoRecognition = () => {
+    onClose();
+    router.push(`/food-camera?mealType=${mealType}`);
+  };
+
+  const menuItems = [
+    {
+      id: 'scan',
+      title: '扫描',
+      icon: '📷',
+      backgroundColor: '#4FC3F7',
+      onPress: handlePhotoRecognition,
+    },
+    {
+      id: 'food-library',
+      title: '食物库',
+      icon: '🍎',
+      backgroundColor: '#FF9500',
+      onPress: handleFoodLibrary,
+    },
+  ];
+
+  return (
+    <Modal
+      visible={visible}
+
+      transparent={true}
+      animationType="fade"
+      onRequestClose={onClose}
+
+    >
+      <View style={styles.overlay}>
+        <TouchableOpacity
+          style={styles.backdrop}
+          activeOpacity={1}
+          onPress={onClose}
+        />
+
+        <View style={styles.container}>
+          <BlurView intensity={80} tint="light" style={styles.blurContainer}>
+            <View style={styles.header}>
+              <Text style={styles.title}>日常记录</Text>
+            </View>
+
+            <View style={styles.menuGrid}>
+              {menuItems.map((item) => (
+                <TouchableOpacity
+                  key={item.id}
+                  style={styles.menuItem}
+                  onPress={item.onPress}
+                  activeOpacity={0.7}
+                >
+                  <View style={[styles.iconContainer, { backgroundColor: item.backgroundColor }]}>
+                    <Text style={styles.iconText}>{item.icon}</Text>
+                  </View>
+                  <Text style={styles.menuText}>{item.title}</Text>
+                </TouchableOpacity>
+              ))}
+            </View>
+          </BlurView>
+
+          <TouchableOpacity
+            style={styles.closeButton}
+            onPress={onClose}
+            activeOpacity={0.7}
+          >
+            <View style={styles.closeButtonInner}>
+              <Ionicons name="close" size={24} color="#666" />
+            </View>
+          </TouchableOpacity>
+        </View>
+      </View>
+    </Modal>
+  );
+}
+
+const styles = StyleSheet.create({
+  overlay: {
+    flex: 1,
+    backgroundColor: 'rgba(0, 0, 0, 0.4)',
+    justifyContent: 'center',
+    alignItems: 'center',
+  },
+  backdrop: {
+    position: 'absolute',
+    top: 0,
+    left: 0,
+    right: 0,
+    bottom: 0,
+  },
+  container: {
+    alignItems: 'center',
+  },
+  blurContainer: {
+    borderRadius: 20,
+    overflow: 'hidden',
+    backgroundColor: 'rgba(255, 255, 255, 0.95)',
+    minWidth: 340,
+    paddingVertical: 20,
+    paddingHorizontal: 16,
+    minHeight: 100
+  },
+  header: {
+    paddingBottom: 20,
+    alignItems: 'center',
+  },
+  title: {
+    fontSize: 16,
+    fontWeight: '600',
+    color: '#333',
+  },
+  menuGrid: {
+    flexDirection: 'row',
+    justifyContent: 'space-around',
+    gap: 32,
+  },
+  menuItem: {
+    alignItems: 'center',
+    flex: 1,
+  },
+  iconContainer: {
+    width: 48,
+    height: 48,
+    borderRadius: 24,
+    alignItems: 'center',
+    justifyContent: 'center',
+    marginBottom: 8,
+    shadowColor: '#000',
+    shadowOffset: {
+      width: 0,
+      height: 2,
+    },
+    shadowOpacity: 0.15,
+    shadowRadius: 4,
+    elevation: 4,
+  },
+  iconText: {
+    fontSize: 22,
+  },
+  menuText: {
+    fontSize: 13,
+    fontWeight: '500',
+    color: '#333',
+    textAlign: 'center',
+  },
+  closeButton: {
+    marginTop: 20,
+  },
+  closeButtonInner: {
+    width: 44,
+    height: 44,
+    borderRadius: 22,
+    backgroundColor: 'rgba(255, 255, 255, 0.9)',
+    alignItems: 'center',
+    justifyContent: 'center',
+    shadowColor: '#000',
+    shadowOffset: {
+      width: 0,
+      height: 2,
+    },
+    shadowOpacity: 0.1,
+    shadowRadius: 4,
+    elevation: 3,
+  },
+});

components/NutritionRadarCard.tsx

@@ -1,4 +1,5 @@
 import { AnimatedNumber } from '@/components/AnimatedNumber';
+import { FloatingFoodOverlay } from '@/components/FloatingFoodOverlay';
 import { ROUTES } from '@/constants/Routes';
 import { NutritionSummary } from '@/services/dietRecords';
 import { NutritionGoals, calculateRemainingCalories } from '@/utils/nutrition';
@@ -48,6 +49,7 @@ export function NutritionRadarCard({
   onMealPress
 }: NutritionRadarCardProps) {
   const [currentMealType, setCurrentMealType] = useState<'breakfast' | 'lunch' | 'dinner' | 'snack'>('breakfast');
+  const [showFoodOverlay, setShowFoodOverlay] = useState(false);
   const radarValues = useMemo(() => {
     // 基于动态计算的营养目标或默认推荐值
     const recommendations = {
@@ -108,7 +110,7 @@ export function NutritionRadarCard({
   };
 
   const handleAddFood = () => {
-    router.push(`/food-library?mealType=${currentMealType}`);
+    setShowFoodOverlay(true);
   };
 
   return (
@@ -192,6 +194,12 @@ export function NutritionRadarCard({
         </View>
       </View>
 
+      {/* 食物添加悬浮窗 */}
+      <FloatingFoodOverlay
+        visible={showFoodOverlay}
+        onClose={() => setShowFoodOverlay(false)}
+        mealType={currentMealType}
+      />
 
     </TouchableOpacity>
   );

components/ui/HeaderBar.tsx

@@ -9,6 +9,7 @@ import { useColorScheme } from '@/hooks/useColorScheme';
 export type HeaderBarProps = {
   title: string | React.ReactNode;
   onBack?: () => void;
+  backColor?: string;
   right?: React.ReactNode;
   tone?: 'light' | 'dark';
   showBottomBorder?: boolean;
@@ -20,6 +21,7 @@ export type HeaderBarProps = {
 export function HeaderBar({
   title,
   onBack,
+  backColor,
   right,
   tone,
   showBottomBorder = false,
@@ -84,7 +86,7 @@ export function HeaderBar({
           <Ionicons
             name="chevron-back"
             size={24}
-            color={theme.text} 
+            color={backColor || theme.text}
           />
         </TouchableOpacity>
       ) : (

ios/Podfile.lock

@@ -46,6 +46,10 @@ PODS:
     - ExpoModulesCore
   - ExpoBlur (14.1.5):
     - ExpoModulesCore
+  - ExpoCamera (16.1.11):
+    - ExpoModulesCore
+    - ZXingObjC/OneD
+    - ZXingObjC/PDF417
   - ExpoFileSystem (18.1.11):
     - ExpoModulesCore
   - ExpoFont (13.3.2):
@@ -1985,6 +1989,11 @@ PODS:
   - SocketRocket (0.7.1)
   - UMAppLoader (5.1.3)
   - Yoga (0.0.0)
+  - ZXingObjC/Core (3.6.9)
+  - ZXingObjC/OneD (3.6.9):
+    - ZXingObjC/Core
+  - ZXingObjC/PDF417 (3.6.9):
+    - ZXingObjC/Core
 
 DEPENDENCIES:
   - boost (from `../node_modules/react-native/third-party-podspecs/boost.podspec`)
@@ -1999,6 +2008,7 @@ DEPENDENCIES:
   - ExpoBackgroundFetch (from `../node_modules/expo-background-fetch/ios`)
   - ExpoBackgroundTask (from `../node_modules/expo-background-task/ios`)
   - ExpoBlur (from `../node_modules/expo-blur/ios`)
+  - ExpoCamera (from `../node_modules/expo-camera/ios`)
   - ExpoFileSystem (from `../node_modules/expo-file-system/ios`)
   - ExpoFont (from `../node_modules/expo-font/ios`)
   - ExpoHaptics (from `../node_modules/expo-haptics/ios`)
@@ -2119,6 +2129,7 @@ SPEC REPOS:
     - SDWebImageWebPCoder
     - Sentry
     - SocketRocket
+    - ZXingObjC
 
 EXTERNAL SOURCES:
   boost:
@@ -2145,6 +2156,8 @@ EXTERNAL SOURCES:
     :path: "../node_modules/expo-background-task/ios"
   ExpoBlur:
     :path: "../node_modules/expo-blur/ios"
+  ExpoCamera:
+    :path: "../node_modules/expo-camera/ios"
   ExpoFileSystem:
     :path: "../node_modules/expo-file-system/ios"
   ExpoFont:
@@ -2359,6 +2372,7 @@ SPEC CHECKSUMS:
   ExpoBackgroundFetch: 6dcade705c90ae5b7e2d0836b9145cae8f5f3070
   ExpoBackgroundTask: 6c1990438e45b5c4bbbc7d75aa6b688d53602fe8
   ExpoBlur: 3c8885b9bf9eef4309041ec87adec48b5f1986a9
+  ExpoCamera: e1879906d41184e84b57d7643119f8509414e318
   ExpoFileSystem: 7f92f7be2f5c5ed40a7c9efc8fa30821181d9d63
   ExpoFont: cf508bc2e6b70871e05386d71cab927c8524cc8e
   ExpoHaptics: 0ff6e0d83cd891178a306e548da1450249d54500
@@ -2474,6 +2488,7 @@ SPEC CHECKSUMS:
   SocketRocket: d4aabe649be1e368d1318fdf28a022d714d65748
   UMAppLoader: 55159b69750129faa7a51c493cb8ea55a7b64eb9
   Yoga: adb397651e1c00672c12e9495babca70777e411e
+  ZXingObjC: 8898711ab495761b2dbbdec76d90164a6d7e14c5
 
 PODFILE CHECKSUM: 8d79b726cf7814a1ef2e250b7a9ef91c07c77936
 

package-lock.json

@@ -26,6 +26,7 @@
         "expo-background-fetch": "^13.1.6",
         "expo-background-task": "~0.2.8",
         "expo-blur": "~14.1.5",
+        "expo-camera": "^16.1.11",
         "expo-constants": "~17.1.7",
         "expo-font": "~13.3.2",
         "expo-haptics": "~14.1.4",
@@ -7109,6 +7110,26 @@
         "react-native": "*"
       }
     },
+    "node_modules/expo-camera": {
+      "version": "16.1.11",
+      "resolved": "https://mirrors.tencent.com/npm/expo-camera/-/expo-camera-16.1.11.tgz",
+      "integrity": "sha512-etA5ZKoC6nPBnWWqiTmlX//zoFZ6cWQCCIdmpUHTGHAKd4qZNCkhPvBWbi8o32pDe57lix1V4+TPFgEcvPwsaA==",
+      "license": "MIT",
+      "dependencies": {
+        "invariant": "^2.2.4"
+      },
+      "peerDependencies": {
+        "expo": "*",
+        "react": "*",
+        "react-native": "*",
+        "react-native-web": "*"
+      },
+      "peerDependenciesMeta": {
+        "react-native-web": {
+          "optional": true
+        }
+      }
+    },
     "node_modules/expo-constants": {
       "version": "17.1.7",
       "resolved": "https://registry.npmjs.org/expo-constants/-/expo-constants-17.1.7.tgz",

package.json

@@ -30,6 +30,7 @@
     "expo-background-fetch": "^13.1.6",
     "expo-background-task": "~0.2.8",
     "expo-blur": "~14.1.5",
+    "expo-camera": "^16.1.11",
     "expo-constants": "~17.1.7",
     "expo-font": "~13.3.2",
     "expo-haptics": "~14.1.4",