微信分享小程序封面图失真问题( 分享前做压缩图片处理 )

@@ -12,14 +12,14 @@ if (flutterRoot == null) {
 }
 
 
-def flutterVersionCode = "442"
+def flutterVersionCode = "443"
 if (flutterVersionCode == null) {
-    flutterVersionCode = '442'
+    flutterVersionCode = '443'
 }
 
-def flutterVersionName = "4.4.2"
+def flutterVersionName = "4.4.3"
 if (flutterVersionName == null) {
-    flutterVersionName = '4.4.2'
+    flutterVersionName = '4.4.3'
 }
 apply plugin: 'com.android.application'
 apply plugin: 'kotlin-android'

@@ -7,6 +7,7 @@ import 'package:common_utils/common_utils.dart';
 import 'package:connectivity/connectivity.dart';
 // import 'package:connectivity_plus/connectivity_plus.dart';
 import 'package:device_info/device_info.dart';
+import 'package:dio/dio.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_statusbarcolor/flutter_statusbarcolor.dart';
@@ -26,10 +27,12 @@ import 'package:permission_handler/permission_handler.dart';
 import 'package:provider/provider.dart';
 import 'package:url_launcher/url_launcher.dart';
 import 'package:crypto/crypto.dart';
+import 'package:flutter_image_compress/flutter_image_compress.dart';
 import 'dart:convert';
 import 'package:webview_flutter/webview_flutter.dart';
 
 import '../app.dart';
+import 'package:http/http.dart' as http;
 
 typedef BookTimeSetCallback = void Function(bool needChange);
 
@@ -1163,16 +1166,18 @@ class Utils {
     String _userName = "gh_487873d353b3";
     String _path = "pack-cookbook/pages/index?rid=$rid&identity=2&sid=$sid";
     String _description = "OneKey";
+    Uint8List source = await testComporessList(_thumbnail);
     var model = new WeChatShareMiniProgramModel(
-      webPageUrl: _webPageUrl,
-      userName: _userName,
-      title: _title,
-      path: _path,
-      // thumbnail: WeChatImage.asset(Utils.getImgPath('mini_image')),
-      description: _description,
-      
-      thumbnail: WeChatImage.network(_thumbnail)
-    );
+        webPageUrl: _webPageUrl,
+        userName: _userName,
+        title: _title,
+        path: _path,
+        // thumbnail: WeChatImage.asset(Utils.getImgPath('mini_image')),
+        description: _description,
+        thumbnail: WeChatImage.binary(source)
+
+        // thumbnail: WeChatImage.network(_thumbnail)
+        );
     bool isShare = await shareToWeChat(model);
     print(isShare);
     Loading.hideLoading(context);
@@ -1195,13 +1200,14 @@ class Utils {
     String _path =
         "pack-cookbook/pages/success?rid=$rid&identity=2&hasOnlyShow=1";
     String _description = "OneKey";
+    Uint8List source = await testComporessList(_thumbnail);
     var model = new WeChatShareMiniProgramModel(
         webPageUrl: _webPageUrl,
         userName: _userName,
         title: _title,
         path: _path,
         description: _description,
-        thumbnail: WeChatImage.network(_thumbnail));
+        thumbnail: WeChatImage.binary(source));
     bool isShare = await shareToWeChat(model);
     print(isShare);
     Loading.hideLoading(context);
@@ -1252,6 +1258,57 @@ class Utils {
     return false;
   }
 
+  /// 下载图片
+  static downloadFile(String url) async {
+    // if (await Permission.storage.request().isGranted) {
+    var response = await Dio()
+        .get(url, options: Options(responseType: ResponseType.bytes));
+    Uint8List result = Uint8List.fromList(response.data);
+    return result;
+    // print(result);
+    // if (result["isSuccess"]) {
+    //   showToast("下载成功");
+    // } else {
+    //   showToast("下载失败");
+    // }
+    // }else{
+    //   showToast("未获取存储权限");
+    // }
+  }
+
+  /// 图片压缩 Uint8List -> Uint8List
+  static Future<Uint8List> testComporessList(String url) async {
+    Uint8List result = await downloadFile(url);
+    if (result.length < 200 * 1024) {
+      return result;
+    }
+    var quality = 100;
+    if (result.length > 4 * 1024 * 1024) {
+      quality = 50;
+    } else if (result.length > 2 * 1024 * 1024) {
+      quality = 60;
+    } else if (result.length > 1 * 1024 * 1024) {
+      quality = 70;
+    } else if (result.length > 0.5 * 1024 * 1024) {
+      quality = 80;
+    } else if (result.length > 0.25 * 1024 * 1024) {
+      quality = 90;
+    }
+
+    var resizeBytes = await FlutterImageCompress.compressWithList(
+      result,
+      minHeight: 500,
+      minWidth: 400,
+      quality: quality,
+      // rotate: 135,
+    );
+
+    print("压缩前：${result.length / 1024}");
+    print("压缩后：${resizeBytes.length / 1024}");
+
+    return resizeBytes;
+  }
+
   //分享邀请函
   static goShareInvicationToWeChat(
       BuildContext context, String rid, String uid) async {
@@ -1271,6 +1328,7 @@ class Utils {
     String _path =
         "pages/customer/index?id=$rid&hasInvitation=1&hasSellerShare=1&uid=$uid";
     String _description = "进入查看包间详情，转发同行好友，还可一键导航到饭店";
+    Uint8List source = await testComporessList(_thumbnail);
     //跳转小程序
     var model = new WeChatShareMiniProgramModel(
         webPageUrl: _webPageUrl,
@@ -1278,7 +1336,8 @@ class Utils {
         title: _title,
         path: _path,
         description: _description,
-        thumbnail: WeChatImage.network(_thumbnail)
+        thumbnail: WeChatImage.binary(source)
+        // thumbnail: WeChatImage.network(_thumbnail)
         // thumbnail: WeChatImage.binary(image)
         );
     //分享链接

@@ -454,6 +454,13 @@ packages:
       url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.0.7"
+  flutter_image_compress:
+    dependency: "direct main"
+    description:
+      name: flutter_image_compress
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.3"
   flutter_inappwebview:
     dependency: "direct main"
     description:

@@ -180,6 +180,7 @@ dependencies:
   #
   extended_text_field: ^10.1.1
   image_gallery_saver: ^1.7.1
+  flutter_image_compress: ^1.1.3
 
 
   #表格多选组建