feat(chat): 添加聊天界面和文件更新SDK功能

- 实现完整的聊天界面UI组件，支持文本、图片、视频、音频、文件等多种消息类型
- 集成IM消息收发功能，实现消息气泡显示和用户头像占位符
- 添加媒体文件选择和拍摄功能，支持相册图片、视频及相机拍照录像
- 实现语音录制和播放功能，包含按住说话交互和权限处理
- 添加群组提及功能，支持@用户和提及候选列表显示
- 实现消息回复和引用功能，支持消息长按回复操作
- 添加本地消息搜索功能，支持搜索当前会话的历史消息
- 实现文件上传下载功能，集成FileSDK进行文件传输管理
- 添加应用更新检查功能，集成UpdateSDK支持版本更新
- 实现消息状态显示，包括发送、送达、已读等状态标识
- 添加群组已读人数统计，显示消息在群聊中的阅读情况
- 实现草稿保存和恢复功能，支持断点续聊体验
- 添加连接状态横幅，实时显示IM服务连接状态
- 实现滚动加载更多历史消息，优化大量消息的性能表现
- 添加多媒体文件下载保存功能，支持保存到应用专属目录

src/components/ConversationItem.tsx

@@ -27,7 +27,7 @@ function lastMsgPreview(item: ConversationData): string {
     case 'VIDEO': return '[视频]'
     case 'AUDIO': return '[语音]'
     case 'FILE': return '[文件]'
-    default: return item.lastMsgContent
+    default: return item.lastMsgContent ?? ''
   }
 }
 

src/components/MessageComposer.tsx

@@ -15,6 +15,8 @@ const ALL_MSG_TYPES: MsgType[] = [
   'CALL_AUDIO',
   'CALL_VIDEO',
   'FORWARD',
+  'QUOTE',
+  'MERGE',
 ]
 
 const TYPE_LABELS: Record<MsgType, string> = {
@@ -30,6 +32,8 @@ const TYPE_LABELS: Record<MsgType, string> = {
   CALL_AUDIO: '语音通话',
   CALL_VIDEO: '视频通话',
   FORWARD: '转发',
+  QUOTE: '引用',
+  MERGE: '合并',
   REVOKED: '已撤回',
 }
 
@@ -46,6 +50,8 @@ const TYPE_ICONS: Record<MsgType, string> = {
   CALL_AUDIO: '📞',
   CALL_VIDEO: '📹',
   FORWARD: '↪️',
+  QUOTE: '💭',
+  MERGE: '🗂️',
   REVOKED: '🚫',
 }
 
@@ -110,6 +116,15 @@ export const DEMO_CONTENT: Record<MsgType, string> = {
     originalSender: 'demo_alice',
     originalTime: new Date().toISOString(),
   }),
+  QUOTE: JSON.stringify({
+    quotedMsgId: 'msg_quote_001',
+    quotedContent: '这是被引用的消息',
+    text: '这是一条引用消息',
+  }),
+  MERGE: JSON.stringify({
+    title: '合并转发预览',
+    msgList: ['消息 1', '消息 2', '消息 3'],
+  }),
   REVOKED: '',
 }
 

src/navigation/AppNavigator.tsx

@@ -16,10 +16,12 @@ import ProfileScreen from '../screens/profile/ProfileScreen'
 import SingleChatScreen from '../screens/chat/SingleChatScreen'
 import GroupChatScreen from '../screens/chat/GroupChatScreen'
 import UserSearchScreen from '../screens/contact/UserSearchScreen'
+import FriendRequestsScreen from '../screens/contact/FriendRequestsScreen'
 import GroupListScreen from '../screens/group/GroupListScreen'
 import CreateGroupScreen from '../screens/group/CreateGroupScreen'
 import GroupMembersScreen from '../screens/group/GroupMembersScreen'
 import GroupSettingsScreen from '../screens/group/GroupSettingsScreen'
+import GroupJoinRequestsScreen from '../screens/group/GroupJoinRequestsScreen'
 import EditProfileScreen from '../screens/profile/EditProfileScreen'
 import MessageSearchScreen from '../screens/chat/MessageSearchScreen'
 import DisconnectBanner from '../components/DisconnectBanner'
@@ -62,10 +64,12 @@ function AppStack() {
         <Root.Screen name="SingleChat" component={SingleChatScreen} options={({ route }) => ({ title: route.params.targetName })} />
         <Root.Screen name="GroupChat" component={GroupChatScreen} options={({ route }) => ({ title: route.params.groupName })} />
         <Root.Screen name="UserSearch" component={UserSearchScreen} options={{ title: '搜索联系人' }} />
+        <Root.Screen name="FriendRequests" component={FriendRequestsScreen} options={{ title: '好友申请' }} />
         <Root.Screen name="GroupList" component={GroupListScreen} options={{ title: '群聊' }} />
         <Root.Screen name="CreateGroup" component={CreateGroupScreen} options={{ title: '创建群聊' }} />
         <Root.Screen name="GroupMembers" component={GroupMembersScreen} options={{ title: '群成员' }} />
         <Root.Screen name="GroupSettings" component={GroupSettingsScreen} options={{ title: '群设置' }} />
+        <Root.Screen name="GroupJoinRequests" component={GroupJoinRequestsScreen} options={{ title: '入群申请' }} />
         <Root.Screen name="EditProfile" component={EditProfileScreen} options={{ title: '编辑资料' }} />
         <Root.Screen name="MessageSearch" component={MessageSearchScreen} options={{ title: '搜索消息' }} />
       </Root.Navigator>

src/navigation/types.ts

@@ -15,10 +15,12 @@ export type RootStackParams = {
   SingleChat: { targetId: string; targetName: string; targetAvatar?: string }
   GroupChat:  { groupId: string; groupName: string }
   UserSearch: { addToGroupId?: string } | undefined
+  FriendRequests: undefined
   GroupList:  undefined
   CreateGroup: undefined
   GroupMembers: { groupId: string; groupName: string }
-  GroupSettings: { groupId: string; groupName: string; isAdmin: boolean }
+  GroupSettings: { groupId: string; groupName: string; isAdmin?: boolean }
+  GroupJoinRequests: { groupId: string; groupName: string }
   EditProfile: undefined
   MessageSearch: { targetId?: string; chatType?: 'SINGLE' | 'GROUP' }
 }

src/screens/chat/GroupChatScreen.tsx

@@ -1,6 +1,6 @@
 import React, { useCallback, useEffect, useRef, useState } from 'react'
 import {
-  View, FlatList, StyleSheet, Alert, SafeAreaView,
+  FlatList, StyleSheet, Alert, SafeAreaView,
   KeyboardAvoidingView, Platform, TouchableOpacity, Text,
 } from 'react-native'
 import type { NativeStackScreenProps } from '@react-navigation/native-stack'
@@ -13,6 +13,28 @@ import ChatInput from '../../components/ChatInput'
 
 type Props = NativeStackScreenProps<RootStackParams, 'GroupChat'>
 
+function GroupHeaderButton({
+  navigation,
+  groupId,
+  groupName,
+}: Pick<Props, 'navigation'> & { groupId: string; groupName: string }) {
+  return (
+    <TouchableOpacity onPress={() => navigation.navigate('GroupSettings', { groupId, groupName, isAdmin: false })}>
+      <Text style={styles.settingsIcon}>⚙️</Text>
+    </TouchableOpacity>
+  )
+}
+
+function upsertMessage(messages: ImMessage[], message: ImMessage): ImMessage[] {
+  const index = messages.findIndex(item => item.id === message.id)
+  if (index >= 0) {
+    const next = [...messages]
+    next[index] = message
+    return next
+  }
+  return [...messages, message]
+}
+
 export default function GroupChatScreen({ route, navigation }: Props) {
   const { groupId, groupName } = route.params
   const { userId } = useAuth()
@@ -24,7 +46,10 @@ export default function GroupChatScreen({ route, navigation }: Props) {
   const loadHistory = useCallback(async (p = 0) => {
     try {
       const history = await ImSDK.fetchGroupHistory(groupId, p, 30)
-      setMessages(prev => p === 0 ? history : [...history, ...prev])
+      setMessages(prev => {
+        const merged = p === 0 ? history : [...history, ...prev]
+        return merged.reduce<ImMessage[]>((acc, message) => upsertMessage(acc, message), [])
+      })
       setPage(p)
     } catch {/* ignore */}
   }, [groupId])
@@ -38,8 +63,7 @@ export default function GroupChatScreen({ route, navigation }: Props) {
       onGroupMessage(msg) {
         if (msg.toId !== groupId) return
         setMessages(prev => {
-          if (prev.find(m => m.id === msg.id)) return prev
-          return [...prev, msg]
+          return upsertMessage(prev, msg)
         })
         setTimeout(() => listRef.current?.scrollToEnd({ animated: true }), 100)
       },
@@ -50,18 +74,14 @@ export default function GroupChatScreen({ route, navigation }: Props) {
 
   useEffect(() => {
     navigation.setOptions({
-      headerRight: () => (
-        <TouchableOpacity onPress={() => navigation.navigate('GroupSettings', { groupId, groupName, isAdmin: false })}>
-          <Text style={styles.settingsIcon}>⚙️</Text>
-        </TouchableOpacity>
-      ),
+      // eslint-disable-next-line react/no-unstable-nested-components
+      headerRight: () => <GroupHeaderButton navigation={navigation} groupId={groupId} groupName={groupName} />,
     })
   }, [navigation, groupId, groupName])
 
   const onSent = (msg: ImMessage) => {
     setMessages(prev => {
-      if (prev.find(m => m.id === msg.id)) return prev
-      return [...prev, msg]
+      return upsertMessage(prev, msg)
     })
     setTimeout(() => listRef.current?.scrollToEnd({ animated: true }), 100)
   }

src/screens/chat/SingleChatScreen.tsx

@@ -1,6 +1,6 @@
 import React, { useCallback, useEffect, useRef, useState } from 'react'
 import {
-  View, FlatList, StyleSheet, Alert, SafeAreaView,
+  FlatList, StyleSheet, Alert, SafeAreaView,
   KeyboardAvoidingView, Platform,
 } from 'react-native'
 import type { NativeStackScreenProps } from '@react-navigation/native-stack'
@@ -13,9 +13,19 @@ import ChatInput from '../../components/ChatInput'
 
 type Props = NativeStackScreenProps<RootStackParams, 'SingleChat'>
 
-export default function SingleChatScreen({ route, navigation }: Props) {
-  const { targetId, targetName, targetAvatar } = route.params
-  const { userId, profile } = useAuth()
+function upsertMessage(messages: ImMessage[], message: ImMessage): ImMessage[] {
+  const index = messages.findIndex(item => item.id === message.id)
+  if (index >= 0) {
+    const next = [...messages]
+    next[index] = message
+    return next
+  }
+  return [...messages, message]
+}
+
+export default function SingleChatScreen({ route }: Props) {
+  const { targetId, targetName } = route.params
+  const { userId } = useAuth()
   const [messages, setMessages] = useState<ImMessage[]>([])
   const [page, setPage] = useState(0)
   const [loadingMore, setLoadingMore] = useState(false)
@@ -24,7 +34,10 @@ export default function SingleChatScreen({ route, navigation }: Props) {
   const loadHistory = useCallback(async (p = 0) => {
     try {
       const history = await ImSDK.fetchHistory(targetId, p, 30)
-      setMessages(prev => p === 0 ? history : [...history, ...prev])
+      setMessages(prev => {
+        const merged = p === 0 ? history : [...history, ...prev]
+        return merged.reduce<ImMessage[]>((acc, message) => upsertMessage(acc, message), [])
+      })
       setPage(p)
     } catch {/* ignore */}
   }, [targetId])
@@ -37,8 +50,7 @@ export default function SingleChatScreen({ route, navigation }: Props) {
         if ((msg.fromUserId === targetId && msg.toId === userId) ||
             (msg.fromUserId === userId && msg.toId === targetId)) {
           setMessages(prev => {
-            if (prev.find(m => m.id === msg.id)) return prev
-            return [...prev, msg]
+            return upsertMessage(prev, msg)
           })
           setTimeout(() => listRef.current?.scrollToEnd({ animated: true }), 100)
         }
@@ -52,8 +64,7 @@ export default function SingleChatScreen({ route, navigation }: Props) {
 
   const onSent = (msg: ImMessage) => {
     setMessages(prev => {
-      if (prev.find(m => m.id === msg.id)) return prev
-      return [...prev, msg]
+      return upsertMessage(prev, msg)
     })
     setTimeout(() => listRef.current?.scrollToEnd({ animated: true }), 100)
   }

src/screens/contact/ContactsScreen.tsx

@@ -6,8 +6,9 @@ import {
 import { useNavigation, useFocusEffect } from '@react-navigation/native'
 import type { NativeStackNavigationProp } from '@react-navigation/native-stack'
 import type { RootStackParams } from '../../navigation/types'
-import { ImSDK } from '@xuqm/rn-sdk'
-import { demoApi, type UserProfile } from '../../api/demo'
+import { ImSDK, type FriendRequest, type ImEventListener, type ImMessage } from '@xuqm/rn-sdk'
+import type { UserProfile } from '../../api/demo'
+import { toDemoUserProfile } from '../../utils/userProfiles'
 import { load, save, K } from '../../utils/storage'
 
 type Nav = NativeStackNavigationProp<RootStackParams>
@@ -32,11 +33,37 @@ function ContactRow({ user, onPress }: { user: UserProfile; onPress(): void }) {
   )
 }
 
+function ContactsEmpty({ loading, onGoSearch }: { loading: boolean; onGoSearch(): void }) {
+  if (loading) return null
+  return (
+    <View style={styles.empty}>
+      <Text style={styles.emptyText}>还没有联系人</Text>
+      <TouchableOpacity onPress={onGoSearch}>
+        <Text style={styles.emptyLink}>搜索添加</Text>
+      </TouchableOpacity>
+    </View>
+  )
+}
+
+function ContactsSeparator() {
+  return <View style={styles.sep} />
+}
+
 export default function ContactsScreen() {
   const navigation = useNavigation<Nav>()
   const [contacts, setContacts] = useState<UserProfile[]>([])
+  const [friendRequests, setFriendRequests] = useState<FriendRequest[]>([])
   const [loading, setLoading] = useState(false)
 
+  const refreshFriendRequests = useCallback(async () => {
+    try {
+      const list = await ImSDK.listFriendRequests('incoming')
+      setFriendRequests(list)
+    } catch {
+      setFriendRequests([])
+    }
+  }, [])
+
   const fetchContacts = useCallback(async () => {
     setLoading(true)
     try {
@@ -45,9 +72,9 @@ export default function ContactsScreen() {
       await Promise.all(
         friendIds.map(async (id) => {
           try {
-            const results = await demoApi.searchUsers(id)
+            const results = await ImSDK.searchUsers(id)
             const match = results.find(u => u.userId === id)
-            if (match) profiles.push(match)
+            if (match) profiles.push(toDemoUserProfile(match))
           } catch {/* skip individual failures */}
         }),
       )
@@ -62,10 +89,29 @@ export default function ContactsScreen() {
     }
   }, [])
 
+  useEffect(() => {
+    const listener: ImEventListener = {
+      onSystemMessage(msg: ImMessage) {
+        if (msg.msgType !== 'NOTIFY') return
+        try {
+          const payload = JSON.parse(msg.content || '{}')
+          if (payload.type === 'FRIEND_REQUEST' || payload.type === 'FRIEND_REQUEST_STATUS') {
+            refreshFriendRequests()
+          }
+        } catch {
+          /* ignore */
+        }
+      },
+    }
+    ImSDK.addListener(listener)
+    return () => ImSDK.removeListener(listener)
+  }, [refreshFriendRequests])
+
   useFocusEffect(
     useCallback(() => {
       fetchContacts()
-    }, [fetchContacts]),
+      refreshFriendRequests()
+    }, [fetchContacts, refreshFriendRequests]),
   )
 
   const openChat = (user: UserProfile) => {
@@ -77,6 +123,9 @@ export default function ContactsScreen() {
       <View style={styles.header}>
         <Text style={styles.title}>通讯录</Text>
         <View style={styles.headerActions}>
+          <TouchableOpacity onPress={() => navigation.navigate('FriendRequests')} style={styles.headerBtn}>
+            <Text style={styles.headerBtnText}>申请{friendRequests.length > 0 ? `(${friendRequests.length})` : ''}</Text>
+          </TouchableOpacity>
           <TouchableOpacity onPress={() => navigation.navigate('GroupList')} style={styles.headerBtn}>
             <Text style={styles.headerBtnText}>群聊</Text>
           </TouchableOpacity>
@@ -85,22 +134,21 @@ export default function ContactsScreen() {
           </TouchableOpacity>
         </View>
       </View>
+      {friendRequests.length > 0 && (
+        <View style={styles.requestBanner}>
+          <Text style={styles.requestText}>有 {friendRequests.length} 条好友申请待处理</Text>
+          <TouchableOpacity onPress={() => navigation.navigate('FriendRequests')}>
+            <Text style={styles.requestLink}>去处理</Text>
+          </TouchableOpacity>
+        </View>
+      )}
       {loading && <ActivityIndicator style={styles.loadingIndicator} color="#07C160" />}
       <FlatList
         data={contacts}
         keyExtractor={u => u.userId}
         renderItem={({ item }) => <ContactRow user={item} onPress={() => openChat(item)} />}
-        ItemSeparatorComponent={() => <View style={styles.sep} />}
-        ListEmptyComponent={
-          !loading ? (
-            <View style={styles.empty}>
-              <Text style={styles.emptyText}>还没有联系人</Text>
-              <TouchableOpacity onPress={() => navigation.navigate('UserSearch')}>
-                <Text style={styles.emptyLink}>搜索添加</Text>
-              </TouchableOpacity>
-            </View>
-          ) : null
-        }
+        ItemSeparatorComponent={ContactsSeparator}
+        ListEmptyComponent={<ContactsEmpty loading={loading} onGoSearch={() => navigation.navigate('UserSearch')} />}
       />
     </SafeAreaView>
   )
@@ -113,6 +161,9 @@ const styles = StyleSheet.create({
   headerActions: { flexDirection: 'row', gap: 12 },
   headerBtn: { paddingHorizontal: 12, paddingVertical: 6, backgroundColor: '#07C160', borderRadius: 6 },
   headerBtnText: { color: '#fff', fontSize: 13, fontWeight: '600' },
+  requestBanner: { marginHorizontal: 12, marginTop: 12, padding: 12, backgroundColor: '#fff7e6', borderRadius: 8, flexDirection: 'row', justifyContent: 'space-between', alignItems: 'center' },
+  requestText: { color: '#8a5a00', fontSize: 13, flex: 1, marginRight: 8 },
+  requestLink: { color: '#07C160', fontSize: 13, fontWeight: '700' },
   loadingIndicator: { marginVertical: 8 },
   row: { flexDirection: 'row', alignItems: 'center', padding: 12, backgroundColor: '#fff' },
   avatar: { width: 46, height: 46, borderRadius: 8, marginRight: 12 },

src/screens/contact/FriendRequestsScreen.tsx

@@ -0,0 +1,134 @@
+import React, { useCallback, useState } from 'react'
+import {
+  View, Text, FlatList, StyleSheet, TouchableOpacity, SafeAreaView,
+  ActivityIndicator, Alert,
+} from 'react-native'
+import { useFocusEffect } from '@react-navigation/native'
+import { ImSDK, type FriendRequest } from '@xuqm/rn-sdk'
+import type { UserProfile } from '../../api/demo'
+import { toDemoUserProfile } from '../../utils/userProfiles'
+
+function RequestRow({
+  request,
+  profile,
+  onAccept,
+  onReject,
+}: {
+  request: FriendRequest
+  profile?: UserProfile
+  onAccept(): void
+  onReject(): void
+}) {
+  const name = profile?.nickname || request.fromUserId
+  return (
+    <View style={styles.row}>
+      <View style={styles.body}>
+        <Text style={styles.name}>{name}</Text>
+        <Text style={styles.uid}>申请人：@{request.fromUserId}</Text>
+        {!!request.remark && <Text style={styles.remark}>附言：{request.remark}</Text>}
+        <Text style={styles.time}>状态：{request.status}</Text>
+      </View>
+      <View style={styles.actions}>
+        <TouchableOpacity style={[styles.actionBtn, styles.acceptBtn]} onPress={onAccept}>
+          <Text style={styles.actionText}>接受</Text>
+        </TouchableOpacity>
+        <TouchableOpacity style={[styles.actionBtn, styles.rejectBtn]} onPress={onReject}>
+          <Text style={styles.actionText}>拒绝</Text>
+        </TouchableOpacity>
+      </View>
+    </View>
+  )
+}
+
+export default function FriendRequestsScreen() {
+  const [requests, setRequests] = useState<FriendRequest[]>([])
+  const [loading, setLoading] = useState(true)
+  const [profiles, setProfiles] = useState<Record<string, UserProfile>>({})
+
+  const load = useCallback(async () => {
+    setLoading(true)
+    try {
+      const list = await ImSDK.listFriendRequests('incoming')
+      setRequests(list)
+      const nextProfiles: Record<string, UserProfile> = {}
+      await Promise.all(list.map(async (req) => {
+        try {
+          const result = await ImSDK.searchUsers(req.fromUserId)
+          const match = result.find(u => u.userId === req.fromUserId)
+          if (match) nextProfiles[req.fromUserId] = toDemoUserProfile(match)
+        } catch {
+          /* ignore */
+        }
+      }))
+      setProfiles(nextProfiles)
+    } catch {
+      setRequests([])
+      setProfiles({})
+    } finally {
+      setLoading(false)
+    }
+  }, [])
+
+  useFocusEffect(useCallback(() => { load() }, [load]))
+
+  const handleAccept = async (request: FriendRequest) => {
+    try {
+      await ImSDK.acceptFriendRequest(request.id)
+      await load()
+    } catch (e: any) {
+      Alert.alert('处理失败', e?.message ?? '请稍后重试')
+    }
+  }
+
+  const handleReject = async (request: FriendRequest) => {
+    try {
+      await ImSDK.rejectFriendRequest(request.id)
+      await load()
+    } catch (e: any) {
+      Alert.alert('处理失败', e?.message ?? '请稍后重试')
+    }
+  }
+
+  return (
+    <SafeAreaView style={styles.root}>
+      {loading ? (
+        <ActivityIndicator style={{ flex: 1 }} color="#07C160" />
+      ) : (
+        <FlatList
+          data={requests}
+          keyExtractor={item => item.id}
+          renderItem={({ item }) => (
+            <RequestRow
+              request={item}
+              profile={profiles[item.fromUserId]}
+              onAccept={() => handleAccept(item)}
+              onReject={() => handleReject(item)}
+            />
+          )}
+          ItemSeparatorComponent={() => <View style={styles.sep} />}
+          ListEmptyComponent={<View style={styles.empty}><Text style={styles.emptyText}>暂无好友申请</Text></View>}
+          contentContainerStyle={requests.length === 0 ? styles.emptyContainer : undefined}
+        />
+      )}
+    </SafeAreaView>
+  )
+}
+
+const styles = StyleSheet.create({
+  root: { flex: 1, backgroundColor: '#f5f5f5' },
+  row: { flexDirection: 'row', padding: 12, backgroundColor: '#fff', alignItems: 'center' },
+  body: { flex: 1, paddingRight: 8 },
+  name: { fontSize: 16, fontWeight: '600', color: '#111' },
+  uid: { fontSize: 13, color: '#888', marginTop: 2 },
+  remark: { fontSize: 13, color: '#555', marginTop: 4 },
+  time: { fontSize: 12, color: '#999', marginTop: 4 },
+  actions: { gap: 8 },
+  actionBtn: { paddingHorizontal: 12, paddingVertical: 6, borderRadius: 6 },
+  acceptBtn: { backgroundColor: '#07C160' },
+  rejectBtn: { backgroundColor: '#ff3b30' },
+  actionText: { color: '#fff', fontSize: 13, fontWeight: '600' },
+  sep: { height: StyleSheet.hairlineWidth, backgroundColor: '#e0e0e0', marginLeft: 12 },
+  emptyContainer: { flexGrow: 1 },
+  empty: { flex: 1, alignItems: 'center', justifyContent: 'center' },
+  emptyText: { color: '#bbb', fontSize: 15 },
+})

src/screens/contact/UserSearchScreen.tsx

@@ -1,14 +1,14 @@
 import React, { useState, useCallback, useRef } from 'react'
 import {
   View, Text, TextInput, FlatList, StyleSheet, TouchableOpacity,
-  SafeAreaView, ActivityIndicator, Alert, Image,
+  SafeAreaView, ActivityIndicator, Alert, Image, Modal,
 } from 'react-native'
 import { useNavigation, useRoute } from '@react-navigation/native'
 import type { NativeStackNavigationProp, NativeStackScreenProps } from '@react-navigation/native-stack'
 import { ImSDK } from '@xuqm/rn-sdk'
-import { demoApi, type UserProfile } from '../../api/demo'
-import { load, save, K } from '../../utils/storage'
+import type { UserProfile } from '../../api/demo'
 import type { RootStackParams } from '../../navigation/types'
+import { toDemoUserProfiles } from '../../utils/userProfiles'
 
 type Nav = NativeStackNavigationProp<RootStackParams>
 type Props = NativeStackScreenProps<RootStackParams, 'UserSearch'>
@@ -20,6 +20,8 @@ export default function UserSearchScreen() {
   const [keyword, setKeyword] = useState('')
   const [results, setResults] = useState<UserProfile[]>([])
   const [loading, setLoading] = useState(false)
+  const [pendingUser, setPendingUser] = useState<UserProfile | null>(null)
+  const [friendRemark, setFriendRemark] = useState('')
   const debounceRef = useRef<ReturnType<typeof setTimeout> | null>(null)
 
   const search = useCallback((text: string) => {
@@ -29,8 +31,8 @@ export default function UserSearchScreen() {
     debounceRef.current = setTimeout(async () => {
       setLoading(true)
       try {
-        const res = await demoApi.searchUsers(text.trim())
-        setResults(res)
+        const res = await ImSDK.searchUsers(text.trim())
+        setResults(toDemoUserProfiles(res))
       } catch {
         setResults([])
       } finally {
@@ -48,16 +50,20 @@ export default function UserSearchScreen() {
         Alert.alert('添加失败', e?.message ?? '请重试')
       }
     } else {
+      setPendingUser(user)
+      setFriendRemark('')
+    }
+  }
+
+  const sendFriendRequest = async () => {
+    if (!pendingUser) return
     try {
-        await ImSDK.addFriend(user.userId)
-        const current = (await load<UserProfile[]>(K.CONTACTS)) ?? []
-        if (!current.find(c => c.userId === user.userId)) {
-          await save(K.CONTACTS, [...current, user])
-        }
-        Alert.alert('已添加为好友')
-      } catch {
-        Alert.alert('添加失败')
-      }
+      await ImSDK.sendFriendRequest(pendingUser.userId, friendRemark.trim() || undefined)
+      Alert.alert('好友申请已发送')
+      setPendingUser(null)
+      setFriendRemark('')
+    } catch (e: any) {
+      Alert.alert('添加失败', e?.message ?? '请重试')
     }
   }
 
@@ -111,6 +117,29 @@ export default function UserSearchScreen() {
             : null
         }
       />
+      <Modal transparent visible={pendingUser !== null} animationType="fade" onRequestClose={() => setPendingUser(null)}>
+        <View style={styles.modalMask}>
+          <View style={styles.modalCard}>
+            <Text style={styles.modalTitle}>发送好友申请</Text>
+            <Text style={styles.modalSubTitle}>对象：{pendingUser?.nickname ?? pendingUser?.userId ?? ''}</Text>
+            <TextInput
+              style={styles.modalInput}
+              placeholder="填写申请信息（可选）"
+              value={friendRemark}
+              onChangeText={setFriendRemark}
+              multiline
+            />
+            <View style={styles.modalActions}>
+              <TouchableOpacity style={[styles.modalBtn, styles.modalCancel]} onPress={() => setPendingUser(null)}>
+                <Text style={styles.modalCancelText}>取消</Text>
+              </TouchableOpacity>
+              <TouchableOpacity style={[styles.modalBtn, styles.modalConfirm]} onPress={sendFriendRequest}>
+                <Text style={styles.modalConfirmText}>发送</Text>
+              </TouchableOpacity>
+            </View>
+          </View>
+        </View>
+      </Modal>
     </SafeAreaView>
   )
 }
@@ -132,4 +161,15 @@ const styles = StyleSheet.create({
   sep: { height: StyleSheet.hairlineWidth, backgroundColor: '#e0e0e0', marginLeft: 68 },
   empty: { alignItems: 'center', paddingTop: 60 },
   emptyText: { color: '#bbb', fontSize: 15 },
+  modalMask: { flex: 1, backgroundColor: 'rgba(0,0,0,0.35)', alignItems: 'center', justifyContent: 'center', padding: 24 },
+  modalCard: { width: '100%', backgroundColor: '#fff', borderRadius: 12, padding: 16 },
+  modalTitle: { fontSize: 17, fontWeight: '700', color: '#111' },
+  modalSubTitle: { marginTop: 6, color: '#666', fontSize: 13 },
+  modalInput: { minHeight: 90, borderWidth: 1, borderColor: '#e0e0e0', borderRadius: 8, marginTop: 12, padding: 10, textAlignVertical: 'top' },
+  modalActions: { flexDirection: 'row', justifyContent: 'flex-end', gap: 10, marginTop: 14 },
+  modalBtn: { paddingHorizontal: 14, paddingVertical: 8, borderRadius: 8 },
+  modalCancel: { backgroundColor: '#f2f2f2' },
+  modalConfirm: { backgroundColor: '#07C160' },
+  modalCancelText: { color: '#333', fontWeight: '600' },
+  modalConfirmText: { color: '#fff', fontWeight: '600' },
 })

src/screens/conversation/ConversationListScreen.tsx

@@ -8,7 +8,8 @@ import { ImSDK, type ConversationData } from '@xuqm/rn-sdk'
 import type { RootStackParams } from '../../navigation/types'
 import DisconnectBanner from '../../components/DisconnectBanner'
 import ConversationItem from '../../components/ConversationItem'
-import { demoApi, type UserProfile } from '../../api/demo'
+import type { UserProfile } from '../../api/demo'
+import { toDemoUserProfile } from '../../utils/userProfiles'
 
 type Nav = NativeStackNavigationProp<RootStackParams>
 
@@ -27,8 +28,9 @@ export default function ConversationListScreen() {
     let profile = profileCache.current[conv.targetId]
     if (!profile) {
       try {
-        const results = await demoApi.searchUsers(conv.targetId)
-        profile = results.find(u => u.userId === conv.targetId) ?? { appId, userId: conv.targetId, nickname: conv.targetId, avatar: '', gender: 'UNKNOWN', status: '' }
+        const results = await ImSDK.searchUsers(conv.targetId)
+        const match = results.find(u => u.userId === conv.targetId)
+        profile = match ? toDemoUserProfile(match) : { appId, userId: conv.targetId, nickname: conv.targetId, avatar: '', gender: 'UNKNOWN', status: '' }
         profileCache.current[conv.targetId] = profile
       } catch {
         profile = { appId, userId: conv.targetId, nickname: conv.targetId, avatar: '', gender: 'UNKNOWN', status: '' }

src/screens/group/CreateGroupScreen.tsx

@@ -1,11 +1,12 @@
 import React, { useState, useCallback, useRef } from 'react'
 import {
   View, Text, TextInput, StyleSheet, TouchableOpacity, SafeAreaView,
-  FlatList, ActivityIndicator, Alert, ScrollView,
+  ActivityIndicator, Alert, ScrollView,
 } from 'react-native'
 import { useNavigation } from '@react-navigation/native'
 import { ImSDK } from '@xuqm/rn-sdk'
-import { demoApi, type UserProfile } from '../../api/demo'
+import type { UserProfile } from '../../api/demo'
+import { toDemoUserProfiles } from '../../utils/userProfiles'
 
 export default function CreateGroupScreen() {
   const navigation = useNavigation()
@@ -24,8 +25,8 @@ export default function CreateGroupScreen() {
     debounceRef.current = setTimeout(async () => {
       setSearching(true)
       try {
-        const res = await demoApi.searchUsers(text.trim())
-        setSearchResults(res)
+        const res = await ImSDK.searchUsers(text.trim())
+        setSearchResults(toDemoUserProfiles(res))
       } catch {
         setSearchResults([])
       } finally {

src/screens/group/GroupJoinRequestsScreen.tsx

@@ -0,0 +1,170 @@
+import React, { useCallback, useEffect, useState } from 'react'
+import {
+  View, Text, FlatList, StyleSheet, TouchableOpacity, SafeAreaView,
+  ActivityIndicator, Alert,
+} from 'react-native'
+import { useFocusEffect } from '@react-navigation/native'
+import type { NativeStackScreenProps } from '@react-navigation/native-stack'
+import { ImSDK, type GroupJoinRequest, type ImEventListener, type ImMessage } from '@xuqm/rn-sdk'
+import type { UserProfile } from '../../api/demo'
+import type { RootStackParams } from '../../navigation/types'
+import { toDemoUserProfile } from '../../utils/userProfiles'
+
+type Props = NativeStackScreenProps<RootStackParams, 'GroupJoinRequests'>
+
+function RequestRow({
+  request,
+  profile,
+  onAccept,
+  onReject,
+}: {
+  request: GroupJoinRequest
+  profile?: UserProfile
+  onAccept(): void
+  onReject(): void
+}) {
+  const name = profile?.nickname || request.requesterId
+  return (
+    <View style={styles.row}>
+      <View style={styles.body}>
+        <Text style={styles.name}>{name}</Text>
+        <Text style={styles.uid}>申请人：@{request.requesterId}</Text>
+        {!!request.remark && <Text style={styles.remark}>附言：{request.remark}</Text>}
+        <Text style={styles.time}>状态：{request.status}</Text>
+      </View>
+      <View style={styles.actions}>
+        <TouchableOpacity style={[styles.actionBtn, styles.acceptBtn]} onPress={onAccept}>
+          <Text style={styles.actionText}>接受</Text>
+        </TouchableOpacity>
+        <TouchableOpacity style={[styles.actionBtn, styles.rejectBtn]} onPress={onReject}>
+          <Text style={styles.actionText}>拒绝</Text>
+        </TouchableOpacity>
+      </View>
+    </View>
+  )
+}
+
+function RequestsSeparator() {
+  return <View style={styles.sep} />
+}
+
+function RequestsEmpty() {
+  return (
+    <View style={styles.empty}>
+      <Text style={styles.emptyText}>暂无入群申请</Text>
+    </View>
+  )
+}
+
+export default function GroupJoinRequestsScreen({ route }: Props) {
+  const { groupId } = route.params
+  const [requests, setRequests] = useState<GroupJoinRequest[]>([])
+  const [loading, setLoading] = useState(true)
+  const [profiles, setProfiles] = useState<Record<string, UserProfile>>({})
+
+  const load = useCallback(async () => {
+    setLoading(true)
+    try {
+      const list = await ImSDK.listGroupJoinRequests(groupId)
+      setRequests(list)
+      const nextProfiles: Record<string, UserProfile> = {}
+      await Promise.all(list.map(async (req) => {
+        try {
+          const result = await ImSDK.searchUsers(req.requesterId)
+          const match = result.find(u => u.userId === req.requesterId)
+          if (match) nextProfiles[req.requesterId] = toDemoUserProfile(match)
+        } catch {
+          /* ignore */
+        }
+      }))
+      setProfiles(nextProfiles)
+    } catch {
+      setRequests([])
+      setProfiles({})
+    } finally {
+      setLoading(false)
+    }
+  }, [groupId])
+
+  useFocusEffect(useCallback(() => { load() }, [load]))
+
+  useEffect(() => {
+    const listener: ImEventListener = {
+      onSystemMessage(msg: ImMessage) {
+        if (msg.msgType !== 'NOTIFY') return
+        try {
+          const payload = JSON.parse(msg.content || '{}')
+          if (payload.type === 'GROUP_JOIN_REQUEST' || payload.type === 'GROUP_JOIN_REQUEST_STATUS') {
+            load()
+          }
+        } catch {
+          /* ignore */
+        }
+      },
+    }
+    ImSDK.addListener(listener)
+    return () => ImSDK.removeListener(listener)
+  }, [load])
+
+  const handleAccept = async (request: GroupJoinRequest) => {
+    try {
+      await ImSDK.acceptGroupJoinRequest(groupId, request.id)
+      await load()
+    } catch (e: any) {
+      Alert.alert('处理失败', e?.message ?? '请稍后重试')
+    }
+  }
+
+  const handleReject = async (request: GroupJoinRequest) => {
+    try {
+      await ImSDK.rejectGroupJoinRequest(groupId, request.id)
+      await load()
+    } catch (e: any) {
+      Alert.alert('处理失败', e?.message ?? '请稍后重试')
+    }
+  }
+
+  return (
+    <SafeAreaView style={styles.root}>
+      {loading ? (
+        <ActivityIndicator style={styles.loading} color="#07C160" />
+      ) : (
+        <FlatList
+          data={requests}
+          keyExtractor={item => item.id}
+          renderItem={({ item }) => (
+            <RequestRow
+              request={item}
+              profile={profiles[item.requesterId]}
+              onAccept={() => handleAccept(item)}
+              onReject={() => handleReject(item)}
+            />
+          )}
+          ItemSeparatorComponent={RequestsSeparator}
+          ListEmptyComponent={RequestsEmpty}
+          contentContainerStyle={requests.length === 0 ? styles.emptyContainer : undefined}
+        />
+      )}
+    </SafeAreaView>
+  )
+}
+
+const styles = StyleSheet.create({
+  root: { flex: 1, backgroundColor: '#f5f5f5' },
+  row: { flexDirection: 'row', padding: 12, backgroundColor: '#fff', alignItems: 'center' },
+  body: { flex: 1, paddingRight: 8 },
+  name: { fontSize: 16, fontWeight: '600', color: '#111' },
+  uid: { fontSize: 13, color: '#888', marginTop: 2 },
+  remark: { fontSize: 13, color: '#555', marginTop: 4 },
+  time: { fontSize: 12, color: '#999', marginTop: 4 },
+  actions: { gap: 8 },
+  actionBtn: { paddingHorizontal: 12, paddingVertical: 6, borderRadius: 6 },
+  acceptBtn: { backgroundColor: '#07C160' },
+  rejectBtn: { backgroundColor: '#ff3b30' },
+  actionText: { color: '#fff', fontSize: 13, fontWeight: '600' },
+  loading: { flex: 1 },
+  sep: { height: StyleSheet.hairlineWidth, backgroundColor: '#e0e0e0', marginLeft: 12 },
+  emptyContainer: { flexGrow: 1 },
+  empty: { flex: 1, alignItems: 'center', justifyContent: 'center' },
+  emptyText: { color: '#bbb', fontSize: 15 },
+})

src/screens/group/GroupListScreen.tsx

@@ -1,6 +1,6 @@
-import React, { useCallback, useEffect, useState } from 'react'
+import React, { useCallback, useRef, useState } from 'react'
 import {
-  View, Text, FlatList, StyleSheet, TouchableOpacity, SafeAreaView,
+  View, Text, TextInput, FlatList, StyleSheet, TouchableOpacity, SafeAreaView,
   ActivityIndicator,
 } from 'react-native'
 import { useNavigation, useFocusEffect } from '@react-navigation/native'
@@ -8,7 +8,6 @@ import type { NativeStackNavigationProp } from '@react-navigation/native-stack'
 import { ImSDK } from '@xuqm/rn-sdk'
 import type { ImGroup } from '@xuqm/rn-sdk'
 import type { RootStackParams } from '../../navigation/types'
-import { useAuth } from '../../context/AuthContext'
 
 type Nav = NativeStackNavigationProp<RootStackParams>
 
@@ -35,20 +34,34 @@ export default function GroupListScreen() {
   const navigation = useNavigation<Nav>()
   const [groups, setGroups] = useState<ImGroup[]>([])
   const [loading, setLoading] = useState(true)
+  const [keyword, setKeyword] = useState('')
+  const debounceRef = useRef<ReturnType<typeof setTimeout> | null>(null)
 
-  const fetchGroups = async () => {
+  const fetchGroups = useCallback(async (text = keyword) => {
     setLoading(true)
     try {
-      const list = await ImSDK.listGroups()
+      const list = text.trim()
+        ? await ImSDK.searchGroups(text.trim())
+        : await ImSDK.listGroups()
       setGroups(list)
     } catch {
       /* silently fail */
     } finally {
       setLoading(false)
     }
-  }
+  }, [keyword])
 
-  useFocusEffect(useCallback(() => { fetchGroups() }, []))
+  const handleSearch = useCallback((text: string) => {
+    setKeyword(text)
+    if (debounceRef.current) clearTimeout(debounceRef.current)
+    debounceRef.current = setTimeout(() => {
+      fetchGroups(text)
+    }, 300)
+  }, [fetchGroups])
+
+  useFocusEffect(useCallback(() => {
+    fetchGroups()
+  }, [fetchGroups]))
 
   return (
     <SafeAreaView style={styles.root}>
@@ -58,8 +71,17 @@ export default function GroupListScreen() {
           <Text style={styles.createBtnText}>+ 创建</Text>
         </TouchableOpacity>
       </View>
+      <View style={styles.searchBar}>
+        <TextInput
+          style={styles.searchInput}
+          placeholder="搜索群名称或群号"
+          value={keyword}
+          onChangeText={handleSearch}
+          clearButtonMode="while-editing"
+        />
+      </View>
       {loading
-        ? <ActivityIndicator style={{ flex: 1 }} color="#07C160" />
+        ? <ActivityIndicator style={styles.loading} color="#07C160" />
         : (
           <FlatList
             data={groups}
@@ -85,6 +107,9 @@ const styles = StyleSheet.create({
   title: { fontSize: 18, fontWeight: '700', color: '#111' },
   createBtn: { paddingHorizontal: 12, paddingVertical: 6, backgroundColor: '#07C160', borderRadius: 6 },
   createBtnText: { color: '#fff', fontSize: 13, fontWeight: '600' },
+  searchBar: { margin: 12, backgroundColor: '#fff', borderRadius: 8, paddingHorizontal: 12, borderWidth: 1, borderColor: '#e0e0e0' },
+  searchInput: { fontSize: 15, paddingVertical: 10 },
+  loading: { flex: 1 },
   row: { flexDirection: 'row', alignItems: 'center', padding: 12, backgroundColor: '#fff' },
   avatar: { width: 46, height: 46, borderRadius: 8, backgroundColor: '#5856d6', alignItems: 'center', justifyContent: 'center', marginRight: 12 },
   avatarText: { color: '#fff', fontSize: 18, fontWeight: '600' },

src/screens/group/GroupMembersScreen.tsx

@@ -1,19 +1,19 @@
-import React, { useCallback, useEffect, useState } from 'react'
+import React, { useCallback, useState } from 'react'
 import {
-  View, Text, FlatList, StyleSheet, TouchableOpacity, SafeAreaView, ActivityIndicator, Alert, Image,
+  View, Text, FlatList, StyleSheet, SafeAreaView, ActivityIndicator, Image,
 } from 'react-native'
-import { useNavigation, useFocusEffect } from '@react-navigation/native'
+import { useFocusEffect } from '@react-navigation/native'
 import type { NativeStackScreenProps } from '@react-navigation/native-stack'
 import { ImSDK } from '@xuqm/rn-sdk'
-import { demoApi, type UserProfile } from '../../api/demo'
+import type { UserProfile } from '../../api/demo'
 import type { RootStackParams } from '../../navigation/types'
+import { toDemoUserProfile } from '../../utils/userProfiles'
 
 type Props = NativeStackScreenProps<RootStackParams, 'GroupMembers'>
 
 export default function GroupMembersScreen({ route }: Props) {
-  const { groupId, groupName } = route.params
+  const { groupId } = route.params
   const appId = 'ak_demo_chat'
-  const navigation = useNavigation()
   const [members, setMembers] = useState<UserProfile[]>([])
   const [loading, setLoading] = useState(true)
 
@@ -28,8 +28,9 @@ export default function GroupMembersScreen({ route }: Props) {
       catch { ids = group.memberIds ? group.memberIds.split(',').filter(Boolean) : [] }
       const profiles = await Promise.all(
         ids.map(async id => {
-          const res = await demoApi.searchUsers(id)
-          return res.find(u => u.userId === id) ?? { appId, userId: id, nickname: id, avatar: '', gender: 'UNKNOWN' as const, status: '' }
+          const res = await ImSDK.searchUsers(id)
+          const match = res.find(u => u.userId === id)
+          return match ? toDemoUserProfile(match, appId) : { appId, userId: id, nickname: id, avatar: '', gender: 'UNKNOWN' as const, status: '' }
         })
       )
       setMembers(profiles)

src/screens/group/GroupSettingsScreen.tsx

@@ -1,16 +1,32 @@
-import React, { useState } from 'react'
+import React, { useEffect, useState } from 'react'
 import { View, Text, StyleSheet, TouchableOpacity, SafeAreaView, Alert, ActivityIndicator } from 'react-native'
 import { useNavigation } from '@react-navigation/native'
 import type { NativeStackScreenProps } from '@react-navigation/native-stack'
 import { ImSDK } from '@xuqm/rn-sdk'
 import type { RootStackParams } from '../../navigation/types'
+import { useAuth } from '../../context/AuthContext'
 
 type Props = NativeStackScreenProps<RootStackParams, 'GroupSettings'>
 
 export default function GroupSettingsScreen({ route }: Props) {
-  const { groupId, groupName, isAdmin } = route.params
+  const { groupId, groupName } = route.params
   const nav = useNavigation()
+  const { userId } = useAuth()
   const [leaving, setLeaving] = useState(false)
+  const [isAdmin, setIsAdmin] = useState(Boolean(route.params.isAdmin))
+
+  useEffect(() => {
+    let mounted = true
+    ImSDK.getGroupInfo(groupId)
+      .then(group => {
+        if (!mounted) return
+        const admins = new Set((group.adminIds || '').split(',').map(item => item.trim()).filter(Boolean))
+        const creator = group.creatorId?.trim()
+        setIsAdmin(Boolean(userId && (admins.has(userId) || creator === userId)))
+      })
+      .catch(() => {})
+    return () => { mounted = false }
+  }, [groupId, userId])
 
   function Row({ label, value, onPress }: { label: string; value?: string; onPress?: () => void }) {
     return (
@@ -25,6 +41,7 @@ export default function GroupSettingsScreen({ route }: Props) {
   }
 
   const openMembers = () => (nav as any).navigate('GroupMembers', { groupId, groupName })
+  const openJoinRequests = () => (nav as any).navigate('GroupJoinRequests', { groupId, groupName })
 
   const handleLeave = () => {
     Alert.alert('退出群聊', '退出后将不再收到该群消息，确定吗？', [
@@ -58,6 +75,8 @@ export default function GroupSettingsScreen({ route }: Props) {
             <>
               <View style={styles.sep} />
               <Row label="添加成员" onPress={() => (nav as any).navigate('UserSearch', { addToGroupId: groupId })} />
+              <View style={styles.sep} />
+              <Row label="入群申请" onPress={openJoinRequests} />
             </>
           )}
         </View>

src/utils/userProfiles.ts

@@ -0,0 +1,25 @@
+import type { UserProfile } from '../api/demo'
+
+export interface SearchUserProfileLike {
+  appId?: string
+  userId: string
+  nickname?: string | null
+  avatar?: string | null
+  gender?: string | null
+  status?: string | null
+}
+
+export function toDemoUserProfile(user: SearchUserProfileLike, appId = 'ak_demo_chat'): UserProfile {
+  return {
+    appId: user.appId ?? appId,
+    userId: user.userId,
+    nickname: user.nickname ?? user.userId,
+    avatar: user.avatar ?? '',
+    gender: (user.gender as UserProfile['gender']) ?? 'UNKNOWN',
+    status: user.status ?? '',
+  }
+}
+
+export function toDemoUserProfiles(users: SearchUserProfileLike[], appId = 'ak_demo_chat'): UserProfile[] {
+  return users.map(user => toDemoUserProfile(user, appId))
+}

tsconfig.json

@@ -1,7 +1,20 @@
 {
   "extends": "@react-native/typescript-config",
   "compilerOptions": {
-    "types": ["jest"]
+    "baseUrl": ".",
+    "paths": {
+      "@xuqm/rn-sdk": ["../XuqmGroup-RNSDK/src/index.ts"],
+      "@xuqm/rn-common": ["../XuqmGroup-RNSDK/packages/common/src"],
+      "@xuqm/rn-im": ["../XuqmGroup-RNSDK/packages/im/src"],
+      "@xuqm/rn-push": ["../XuqmGroup-RNSDK/packages/push/src"],
+      "@xuqm/rn-update": ["../XuqmGroup-RNSDK/packages/update/src"],
+      "@nozbe/watermelondb": ["./node_modules/@nozbe/watermelondb/index.d.ts"],
+      "@nozbe/watermelondb/decorators": ["./node_modules/@nozbe/watermelondb/decorators/index.d.ts"],
+      "@nozbe/watermelondb/adapters/sqlite": ["./node_modules/@nozbe/watermelondb/adapters/sqlite/index.d.ts"]
+    },
+    "types": ["react", "react-native", "jest"],
+    "experimentalDecorators": true,
+    "skipLibCheck": true
   },
   "include": ["**/*.ts", "**/*.tsx"],
   "exclude": ["**/node_modules", "**/Pods"]