'优化FlatList性能，改进上传管理和增强错误处理'

app/(tabs)/memo-list.tsx

@@ -109,6 +109,9 @@ const MemoList = () => {
                 ItemSeparatorComponent={() => (
                     <View style={styles.separator} />
                 )}
+                getItemLayout={(data, index) => (
+                    { length: 80, offset: 80 * index, index }
+                )}
                 renderItem={({ item }) => (
                     <TouchableOpacity
                         style={styles.memoItem}

app/(tabs)/owner.tsx

@@ -56,12 +56,13 @@ export default function OwnerPage() {
         })
     }
     // 设计轮询获取数量统计
-    // useEffect(() => {
-    //     const interval = setInterval(() => {
-    //         getCountData();
-    //     }, 1000);
-    //     return () => clearInterval(interval);
-    // }, []);
+    useEffect(() => {
+        // 将轮询间隔增加到5秒，减少服务器压力和电池消耗
+        const interval = setInterval(() => {
+            getCountData();
+        }, 5000);
+        return () => clearInterval(interval);
+    }, []);
 
     // 初始化获取用户信息
     useEffect(() => {
@@ -107,6 +108,10 @@ export default function OwnerPage() {
                         <Ranking data={userInfoDetails.title_rankings} />
                     </View>
                 }
+                // 优化性能：添加 getItemLayout
+                getItemLayout={(data, index) => (
+                    { length: 1000, offset: 1000 * index, index }
+                )}
             />
             {/* 设置弹窗 - 使用条件渲染避免层级冲突 */}
             {modalVisible && (

assets/images/png/placeholder.png

@@ -0,0 +1 @@
+iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mP8/5+hHgAHggJ/PchI7wAAAABJRU5ErkJggg==

components/ask/aiChat.tsx

@@ -84,6 +84,7 @@ const MessageItem = ({ t, insets, item, sessionId, setModalVisible, modalVisible
                                                     borderRadius: 12,
                                                 }}
                                                 resizeMode="cover"
+                                                loadingIndicatorSource={require('@/assets/images/png/placeholder.png')}
                                             />
                                         </Pressable>
                                     ))}
@@ -218,6 +219,7 @@ const MessageItem = ({ t, insets, item, sessionId, setModalVisible, modalVisible
                                                     style={detailsStyles.image}
                                                     onError={(error) => console.log('Image load error:', error.nativeEvent.error)}
                                                     onLoad={() => console.log('Image loaded successfully')}
+                                                    loadingIndicatorSource={require('@/assets/images/png/placeholder.png')}
                                                 />
                                                 <TouchableOpacity
                                                     style={[detailsStyles.circleMarker, selectedImages.includes(item?.id || item?.video?.id) ? detailsStyles.circleMarkerSelected : ""]}

components/ask/chat.tsx

@@ -33,12 +33,25 @@ function ChatComponent({ userMessages, sessionId, setSelectedImages, selectedIma
     // 自动滚动到底部
     useEffect(() => {
         if (userMessages.length > 0) {
-            setTimeout(() => {
+            // 延迟滚动以确保渲染完成
+            const timer = setTimeout(() => {
                 flatListRef.current?.scrollToEnd({ animated: true });
-            }, 100);
+            }, 150);
+            return () => clearTimeout(timer);
         }
     }, [userMessages]);
 
+    // 优化 FlatList 性能 - 提供 getItemLayout 方法
+    const getItemLayout = useCallback((data: Message[] | null | undefined, index: number) => {
+        // 假设每个消息项的高度大约为 100（可根据实际情况调整）
+        const averageItemHeight = 100;
+        return {
+            length: averageItemHeight,
+            offset: averageItemHeight * index,
+            index,
+        };
+    }, []);
+
     return (
         <SafeAreaView className='flex-1'>
             <FlatList
@@ -52,6 +65,7 @@ function ChatComponent({ userMessages, sessionId, setSelectedImages, selectedIma
                 updateCellsBatchingPeriod={50}
                 initialNumToRender={10}
                 windowSize={11}
+                getItemLayout={getItemLayout}
                 renderItem={({ item }) => MessageItem({ t, setSelectedImages, selectedImages, insets, item, sessionId, modalVisible, setModalVisible, setModalDetailsVisible, modalDetailsVisible })}
             />
         </SafeAreaView>

components/file-upload/files-uploader.tsx

@@ -216,26 +216,30 @@ export const ImagesUploader: React.FC<ImagesuploaderProps> = ({
     const CONCURRENCY_LIMIT = 3;
     const results: UploadResult[] = [];
 
-    // 分批处理资源
-    for (let i = 0; i < assets.length; i += CONCURRENCY_LIMIT) {
-      const batch = assets.slice(i, i + CONCURRENCY_LIMIT);
-
-      // 并行处理当前批次的所有资源
+    // 分批处理资源，优化并发处理
+    const processBatch = async (batch: ImagePicker.ImagePickerAsset[]) => {
       const batchResults = await Promise.allSettled(
         batch.map(asset => processSingleAsset(asset))
       );
-
+      
       // 收集成功的结果
       for (const result of batchResults) {
         if (result.status === 'fulfilled' && result.value) {
           results.push(result.value);
         }
       }
+    };
 
-      // 添加小延迟，避免过多占用系统资源
-      if (i + CONCURRENCY_LIMIT < assets.length) {
-        await new Promise(resolve => setTimeout(resolve, 100));
-      }
+    // 使用 Promise.all 并行处理所有批次
+    const batches = [];
+    for (let i = 0; i < assets.length; i += CONCURRENCY_LIMIT) {
+      batches.push(assets.slice(i, i + CONCURRENCY_LIMIT));
+    }
+    
+    // 并行处理所有批次，但限制并发数量
+    for (let i = 0; i < batches.length; i += CONCURRENCY_LIMIT) {
+      const batchGroup = batches.slice(i, i + CONCURRENCY_LIMIT);
+      await Promise.all(batchGroup.map(processBatch));
     }
 
     return results;

hooks/useUploadManager.ts

@@ -60,7 +60,8 @@ export const useUploadManager = () => {
                     console.log('useUploadManager focused, existing session found. Monitoring progress.');
                     // If a session exists, just start monitoring.
                     manageUploadState(true); // Initial check
-                    interval = setInterval(manageUploadState, 2000);
+                    // 将轮询间隔从2秒增加到3秒，减少资源消耗
+                    interval = setInterval(manageUploadState, 3000);
                 } else {
                     // If no session, then try to trigger a new upload.
                     console.log('useUploadManager focused, no existing session. Triggering foreground media upload check.');
@@ -73,7 +74,8 @@ export const useUploadManager = () => {
                         console.log(`New upload session started with time: ${newSessionStartTimeStr}, beginning to monitor...`);
                         // A new session was started, so start monitoring.
                         manageUploadState(); // Initial check
-                        interval = setInterval(manageUploadState, 2000);
+                        // 将轮询间隔从2秒增加到3秒，减少资源消耗
+                        interval = setInterval(manageUploadState, 3000);
                     }
                 }
             };