二维码保存

src/views/device/DeviceShare.tsx

@@ -1,8 +1,9 @@
 import React, { useEffect, useState, useCallback } from 'react';
 import { View, Text, Image, TouchableOpacity, StyleSheet } from 'react-native';
-import { useNavigation ,useFocusEffect} from '@react-navigation/native';
+import { useNavigation, useFocusEffect } from '@react-navigation/native';
 import { apiService } from '../../utils/api';
 import { rpx } from '../../utils/rpx';
+
 interface KeyItem {
     id: string;
     avatarUrl: string;
@@ -18,23 +19,20 @@ const DeviceShare = () => {
 
     const getKeyList = async () => {
         const response = await apiService.getKeyListByOwnerId();
-        // console.log(response);
         if (response.code == 200) {
             setKeyList(response.data);
-
         }
     };
+
     const calculateRemainingTime = (expirationTime: string): string => {
         const now = new Date();
         const expiration = new Date(expirationTime);
         const diffTime = expiration.getTime() - now.getTime();
 
-        // 如果已过期
         if (diffTime <= 0) {
             return '已过期';
         }
 
-        // 计算剩余天数、小时、分钟
         const days = Math.floor(diffTime / (1000 * 60 * 60 * 24));
         const hours = Math.floor((diffTime % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60));
         const minutes = Math.floor((diffTime % (1000 * 60 * 60)) / (1000 * 60));
@@ -47,6 +45,7 @@ const DeviceShare = () => {
             return `${minutes}分钟`;
         }
     };
+
     const getStatusText = (status: string | number) => {
         switch (status) {
             case '0':
@@ -59,6 +58,7 @@ const DeviceShare = () => {
                 return '未知状态';
         }
     };
+
     useFocusEffect(
         useCallback(() => {
             getKeyList();
@@ -78,8 +78,7 @@ const DeviceShare = () => {
                             navigation.navigate('ShareDetailScreen', { keyItem: key });
                         }}
                     >
-
+                        <View style={styles.card}>
-                        <View key={key.id} style={styles.card}>
                             <View style={styles.cardTop}>
                                 <Image
                                     source={{ uri: key.avatarUrl || 'https://lxnapi.ccttiot.com/bike/img/static/uVnIDwcwQP7oo12PeYVJ' }}
@@ -107,8 +106,8 @@ const DeviceShare = () => {
                             </View>
                         </View>
                     </TouchableOpacity>
-
                 ))}
+
                 {keyList.length < 3 && (
                     <TouchableOpacity onPress={() => {
                         navigation.navigate('AddShare' as never);
@@ -124,7 +123,7 @@ const DeviceShare = () => {
                 )}
             </View>
             <TouchableOpacity onPress={() => {
-                navigation.navigate('ExpiredKeysScreen' as never );
+                navigation.navigate('ExpiredKeysScreen' as never);
             }}>
                 <View style={styles.shareTip}>
                     <Text style={styles.shareBtnTxt}>查看已失效共享</Text>
@@ -138,7 +137,6 @@ const DeviceShare = () => {
     );
 };
 
-
 const styles = StyleSheet.create({
     container: {
         flex: 1,
@@ -205,7 +203,6 @@ const styles = StyleSheet.create({
     },
     cardTopTxt: {
         marginLeft: rpx(28),
-
     },
     cardTopImg: {
         width: rpx(96),
@@ -213,7 +210,6 @@ const styles = StyleSheet.create({
         borderRadius: rpx(48),
     },
     cardTopName: {
-
         fontSize: rpx(44),
         color: '#3D3D3D',
     },
@@ -221,7 +217,6 @@ const styles = StyleSheet.create({
         fontSize: rpx(36),
         color: '#808080',
     },
-
     shareBox: {
         width: rpx(688),
         borderRadius: rpx(30),
@@ -245,8 +240,8 @@ const styles = StyleSheet.create({
         marginTop: rpx(32),
         borderRadius: rpx(16),
         borderWidth: rpx(2),
-        borderColor: '#808080 ',
+        borderColor: '#808080',
-
     },
 });
+
 export default DeviceShare;

src/views/device/shareQrcode.tsx

@@ -1,88 +1,105 @@
-import React, { useState, useEffect } from 'react';
+import React, { useState, useEffect, useRef } from 'react';
 import { View, StyleSheet, Image, ImageBackground, TouchableOpacity, Text, Alert, Platform, NativeModules } from 'react-native';
 import { rpx } from '../../utils/rpx';
 import { RouteProp, useRoute } from '@react-navigation/native';
 import RNFS from 'react-native-fs';
 import { request, PERMISSIONS, RESULTS } from 'react-native-permissions';
 import { Spinner, Layout } from '@ui-kitten/components';
+import QRCode from 'react-native-qrcode-svg';
+import { captureRef } from 'react-native-view-shot';
 
 const ShareQrcode = () => {
     const route = useRoute<RouteProp<RootStackParamList, 'ShareQrcode'>>();
     const { QrId } = route.params;
     const [loading, setLoading] = useState(true);
-    const qrCodeUrl = `https://api.qrserver.com/v1/create-qr-code/?size=${rpx(400)}x${rpx(400)}&data=https://testlu.chuangtewl.com/prod-api?keyId=${QrId}`;
+    const qrCodeUrl = `https://testlu.chuangtewl.com/prod-api?keyId=${QrId}`;
-    
+    const qrRef = useRef();
     
     useEffect(() => {
         const timer = setTimeout(() => {
             setLoading(false);
-        }, 2000);
+        }, 1000);
 
         return () => clearTimeout(timer);
     }, []);
+
     const saveToGallery = async () => {
         try {
-            const writePermission = await request(PERMISSIONS.ANDROID.WRITE_EXTERNAL_STORAGE);
+            // 修正权限请求
-            const readPermission = await request(PERMISSIONS.ANDROID.READ_EXTERNAL_STORAGE);
+            const writePermission = await request(
+                Platform.select({
+                    android: PERMISSIONS.ANDROID.WRITE_EXTERNAL_STORAGE,
+                    default: PERMISSIONS.ANDROID.WRITE_EXTERNAL_STORAGE,
+                })
+            );
     
-            if (writePermission === RESULTS.GRANTED && readPermission === RESULTS.GRANTED) {
+            const readPermission = await request(
-                try {
+                Platform.select({
-                    let directoryPath = `${RNFS.DownloadDirectoryPath}`;
+                    android: PERMISSIONS.ANDROID.READ_EXTERNAL_STORAGE,
+                    default: PERMISSIONS.ANDROID.READ_EXTERNAL_STORAGE,
+                })
+            );
+    
+            if (writePermission !== RESULTS.GRANTED || readPermission !== RESULTS.GRANTED) {
+                Alert.alert(
+                    '权限不足',
+                    '请在设置中授予存储权限',
+                    [
+                        { text: '取消' },
+                        { 
+                            text: '去设置', 
+                            onPress: () => {
+                                if (Platform.OS === 'android') {
+                                    Linking.openSettings();
+                                }
+                            }
+                        }
+                    ]
+                );
+                return;
+            }
+    
+            // 使用应用专用目录
             const fileName = `qrcode_${Date.now()}.jpg`;
-                    let downloadDest = `${directoryPath}/${fileName}`;
+            const downloadDest = `${RNFS.ExternalDirectoryPath}/${fileName}`;
     
-                    // 检查目录是否存在
+            // 截取QR码视图
-                    let exists = await RNFS.exists(directoryPath);
+            const uri = await captureRef(qrRef, {
-                    if (!exists) {
+                format: 'jpg',
-                        try {
+                quality: 1,
-                            await RNFS.mkdir(directoryPath);
+            });
-                        } catch (mkdirError) {
-                            // 使用备用路径
-                            directoryPath = `${RNFS.ExternalStorageDirectoryPath}`;
-                            downloadDest = `${directoryPath}/${fileName}`;
-                        }
-                    }
     
-                    // 下载文件
+            // 复制文件到目标位置
-                    const options = {
+            await RNFS.copyFile(uri, downloadDest);
-                        fromUrl: qrCodeUrl,
-                        toFile: downloadDest,
-                    };
     
-                    const response = await RNFS.downloadFile(options).promise;
+            // 使用 MediaScanner 使图片在相册中可见
-    
-                    if (response.statusCode === 200) {
-                        const fileExists = await RNFS.exists(downloadDest);
-                        if (fileExists) {
-                            // 刷新媒体库
             NativeModules.MediaScanner.scanFile(downloadDest, 'image/jpeg', (err) => {
                 if (err) {
-                                    Alert.alert('错误', '无法刷新媒体库');
+                    console.error('MediaScanner error:', err);
+                    Alert.alert('错误', '保存失败，请重试');
                 } else {
                     Alert.alert('成功', '二维码已保存到相册');
                 }
             });
-                        } else {
+    
-                            throw new Error('文件未能成功创建');
+            // 清理临时文件
-                        }
+            try {
-                    } else {
+                await RNFS.unlink(uri);
-                        Alert.alert('错误', '下载失败，请检查网络连接');
+            } catch (e) {
-                    }
+                console.log('清理临时文件失败:', e);
-                } catch (err) {
-                    Alert.alert('错误', '保存失败，无法访问存储空间');
-                }
-            } else {
-                Alert.alert('权限不足', '请在设置中授予存储权限');
             }
+    
         } catch (error) {
+            console.error('Save error:', error);
             Alert.alert('错误', '保存失败，请重试');
         }
     };
+
     if (loading) {
         return (
             <Layout style={styles.loadingContainer}>
                 <Spinner size='giant' />
-                <Text style={styles.loadingText}>加载中...</Text>
+                <Text style={styles.loadingText}>二维码生成中...</Text>
             </Layout>
         );
     }
@@ -97,10 +114,12 @@ const ShareQrcode = () => {
                 source={{ uri: 'https://lxnapi.ccttiot.com/bike/img/static/u8yqVl9y6fcU3fTDDTpK' }}
                 style={styles.qrBack}
             >
-                <Layout style={styles.qrContainer}>
+                <Layout style={styles.qrContainer} ref={qrRef}>
-                    <Image
+                    <QRCode
-                        source={{ uri: qrCodeUrl }}
+                        value={qrCodeUrl}
-                        style={styles.qrCode}
+                        size={rpx(438)}
+                        color="black"
+                        backgroundColor="white"
                     />
                 </Layout>
             </ImageBackground>      
@@ -147,19 +166,20 @@ const styles = StyleSheet.create({
         width: rpx(614),
         height: rpx(368),
     },
-    qrCode:{
-        width: rpx(438),    
-        height: rpx(438),
-    },
     qrContainer: {
         alignItems: 'center',
         justifyContent: 'center',
+        backgroundColor: 'white',
+        padding: rpx(20),
+        borderRadius: rpx(10),
     },
     qrBack: {
         marginTop: rpx(-20),
         width: rpx(614),
         height: rpx(614),
         padding: rpx(86),
+        alignItems: 'center',
+        justifyContent: 'center',
     },
     backimg: {
         width: rpx(688),