compress when pick image from gallery

ios/Podfile.lock

     - Protobuf (>= 3.9.2, ~> 3.9)
   - FLAnimatedImage (1.0.12)
   - Flutter (1.0.0)
+  - flutter_image_compress (0.0.1):
+    - Flutter
+    - Mantle
+    - SDWebImageWebPCoder
   - FMDB (2.7.5):
     - FMDB/standard (= 2.7.5)
   - FMDB/standard (2.7.5)
     - GoogleUtilities/Logger
   - GoogleUtilities/UserDefaults (6.7.2):
     - GoogleUtilities/Logger
+  - libwebp (1.1.0):
+    - libwebp/demux (= 1.1.0)
+    - libwebp/mux (= 1.1.0)
+    - libwebp/webp (= 1.1.0)
+  - libwebp/demux (1.1.0):
+    - libwebp/webp
+  - libwebp/mux (1.1.0):
+    - libwebp/demux
+  - libwebp/webp (1.1.0)
+  - Mantle (2.1.4):
+    - Mantle/extobjc (= 2.1.4)
+  - Mantle/extobjc (2.1.4)
   - MTBBarcodeScanner (5.0.11)
   - nanopb (1.30906.0):
     - nanopb/decode (= 1.30906.0)
   - SDWebImageFLPlugin (0.4.0):
     - FLAnimatedImage (>= 1.0.11)
     - SDWebImage/Core (~> 5.6)
+  - SDWebImageWebPCoder (0.6.1):
+    - libwebp (~> 1.0)
+    - SDWebImage/Core (~> 5.7)
   - shared_preferences (0.0.1):
     - Flutter
   - sqflite (0.0.1):
   - firebase_core (from `.symlinks/plugins/firebase_core/ios`)
   - firebase_messaging (from `.symlinks/plugins/firebase_messaging/ios`)
   - Flutter (from `Flutter`)
+  - flutter_image_compress (from `.symlinks/plugins/flutter_image_compress/ios`)
   - package_info (from `.symlinks/plugins/package_info/ios`)
   - path_provider (from `.symlinks/plugins/path_provider/ios`)
   - shared_preferences (from `.symlinks/plugins/shared_preferences/ios`)
     - FMDB
     - GoogleDataTransport
     - GoogleUtilities
+    - libwebp
+    - Mantle
     - MTBBarcodeScanner
     - nanopb
     - PromisesObjC
     - Protobuf
     - SDWebImage
     - SDWebImageFLPlugin
+    - SDWebImageWebPCoder
     - SwiftProtobuf
 
 EXTERNAL SOURCES:
     :path: ".symlinks/plugins/firebase_messaging/ios"
   Flutter:
     :path: Flutter
+  flutter_image_compress:
+    :path: ".symlinks/plugins/flutter_image_compress/ios"
   package_info:
     :path: ".symlinks/plugins/package_info/ios"
   path_provider:
   FirebaseMessaging: 29543feb343b09546ab3aa04d008ee8595b43c44
   FLAnimatedImage: 4a0b56255d9b05f18b6dd7ee06871be5d3b89e31
   Flutter: 0e3d915762c693b495b44d77113d4970485de6ec
+  flutter_image_compress: 082f8daaf6c1b0c9fe798251c750ef0ecd98d7ae
   FMDB: 2ce00b547f966261cd18927a3ddb07cb6f3db82a
   GoogleDataTransport: e85fb700c9b027079ce182c3d08e12e0f9618bb4
   GoogleUtilities: 7f2f5a07f888cdb145101d6042bc4422f57e70b3
+  libwebp: 946cb3063cea9236285f7e9a8505d806d30e07f3
+  Mantle: bf2e1b464f82465b9074e9de970739a2615e093a
   MTBBarcodeScanner: f453b33c4b7dfe545d8c6484ed744d55671788cb
   nanopb: 59317e09cf1f1a0af72f12af412d54edf52603fc
   package_info: 873975fc26034f0b863a300ad47e7f1ac6c7ec62
   Protobuf: 3dac39b34a08151c6d949560efe3f86134a3f748
   SDWebImage: a990c053fff71e388a10f3357edb0be17929c9c5
   SDWebImageFLPlugin: 6c2295fb1242d44467c6c87dc5db6b0a13228fd8
+  SDWebImageWebPCoder: d0dac55073088d24b2ac1b191a71a8f8d0adac21
   shared_preferences: af6bfa751691cdc24be3045c43ec037377ada40d
   sqflite: 4001a31ff81d210346b500c55b17f4d6c7589dd0
   SwiftProtobuf: 4ef85479c18ca85b5482b343df9c319c62bda699

lib/presentation/custom_widgets/widget_media_picker.dart

 import 'package:farm_tpf/custom_model/Media.dart';
 import 'package:farm_tpf/presentation/custom_widgets/camera_helper.dart';
 import 'package:farm_tpf/presentation/custom_widgets/widget_show_video.dart';
+import 'package:farm_tpf/presentation/screens/actions/util_action.dart';
 import 'package:farm_tpf/utils/const_color.dart';
 import 'package:farm_tpf/utils/const_common.dart';
 import 'package:farm_tpf/utils/const_string.dart';
                   await FilePicker.platform.pickFiles(type: FileType.image);
 
               if (result != null) {
-                String filePath = result.files.single.path;
-                var lengthFileInBytes = result.files.single.size * 1000;
-                if (lengthFileInBytes > ConstCommon.kFileSize) {
-                  Get.snackbar(label_file_to_large,
-                      "Kích thước: $lengthFileInBytes bytes",
-                      snackPosition: SnackPosition.BOTTOM);
-                } else {
-                  Media newMedia = Media()
-                    ..isVideo = false
-                    ..isServerFile = false
-                    ..pathFile = filePath;
-                  currentItems.add(newMedia);
-                  files.add(filePath);
-                  BlocProvider.of<MediaHelperBloc>(context)
-                    ..add(ChangeListMedia(items: currentItems));
-                  widget.onChangeFiles(files);
-                }
-                print("file size: $lengthFileInBytes");
+                UtilAction.compressImage(File(result.files.single.path))
+                    .then((compressFile) async {
+                  var lengthFileInBytes = await compressFile.length();
+                  if (lengthFileInBytes > ConstCommon.kFileSize) {
+                    Get.snackbar(label_file_to_large, label_file_size_suggest,
+                        snackPosition: SnackPosition.BOTTOM);
+                  } else {
+                    Media newMedia = Media()
+                      ..isVideo = false
+                      ..isServerFile = false
+                      ..pathFile = compressFile.path;
+                    currentItems.add(newMedia);
+                    files.add(compressFile.path);
+                    BlocProvider.of<MediaHelperBloc>(context)
+                      ..add(ChangeListMedia(items: currentItems));
+                    widget.onChangeFiles(files);
+                  }
+                });
               }
             }),
         CupertinoDialogAction(
                 String filePath = result.files.single.path;
                 var lengthFileInBytes = result.files.single.size * 1000;
                 if (lengthFileInBytes > ConstCommon.kFileSize) {
-                  Get.snackbar(label_file_to_large,
-                      "Kích thước: $lengthFileInBytes bytes",
+                  Get.snackbar(label_file_to_large, label_file_size_suggest,
                       snackPosition: SnackPosition.BOTTOM);
                 } else {
                   Media newMedia = Media()
                     ..add(ChangeListMedia(items: currentItems));
                   widget.onChangeFiles(files);
                 }
-                print("file size: $lengthFileInBytes");
               }
             }),
         CupertinoDialogAction(

lib/presentation/screens/actions/util_action.dart

+import 'dart:io';
+
 import 'package:farm_tpf/custom_model/Media.dart';
 import 'package:farm_tpf/utils/const_common.dart';
 import 'package:flutter_cache_manager/flutter_cache_manager.dart';
+import 'package:flutter_image_compress/flutter_image_compress.dart';
 import 'package:mime/mime.dart';
+import 'package:path_provider/path_provider.dart' as path_provider;
+import 'package:path/path.dart' as path;
 
 class UtilAction {
   static Future<List<Media>> cacheFiles(String existedMedias) async {
     }
     return result;
   }
+
+  static Future<File> compressImage(File file) async {
+    final dir = await path_provider.getTemporaryDirectory();
+    final fileName = path.basenameWithoutExtension(file.path);
+    final targetPath = dir.absolute.path + "/$fileName.jpg";
+    final imgFile = await compressAndGetFile(file, targetPath);
+    return imgFile;
+  }
+
+  static Future<File> compressAndGetFile(File file, String targetPath) async {
+    final result = await FlutterImageCompress.compressAndGetFile(
+        file.absolute.path, targetPath,
+        minWidth: 1024, minHeight: 1024);
+    return result;
+  }
 }

lib/utils/const_string.dart

 const String label_update_success = "Cập nhật thành công";
 const String label_add_success = "Thêm thành công";
 
-const String label_file_to_large = "Kích thước hình/video quá lớn";
+const String label_file_to_large = "Kích thước tập tin quá lớn";
+const String label_file_size_suggest = "Vui lòng chọn tập tin nhỏ hơn 1024 Kb";
 
 //Exception
 const String exception_common = "Đã có lỗi xảy ra";

pubspec.lock

       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.4.0"
+  flutter_image_compress:
+    dependency: "direct main"
+    description:
+      name: flutter_image_compress
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.7.0"
   flutter_plugin_android_lifecycle:
     dependency: transitive
     description:

pubspec.yaml

   flutter_cache_manager: ^1.4.2
 
   mime: ^0.9.7
+  flutter_image_compress: ^0.7.0
 
 dev_dependencies:
   flutter_test: