add file downloader package nd config

Frontend/android/app/src/main/AndroidManifest.xml

@@ -1,9 +1,14 @@
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
     <uses-permission android:name="android.permission.ACCESS_BACKGROUND_LOCATION" />
     <uses-permission android:name="android.permission.CAMERA" />
+    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" 
+        android:maxSdkVersion="32"
+        tools:replace="android:maxSdkVersion" />
     <uses-feature android:name="android.hardware.camera" />
     <uses-permission android:name="android.permission.FLASHLIGHT" />
 

Frontend/ios/Runner/Info.plist

@@ -2,6 +2,10 @@
 <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 <plist version="1.0">
 	<dict>
+		<key>LSSupportsOpeningDocumentsInPlace</key>
+		<true/>
+		<key>UIFileSharingEnabled</key>
+		<true/>
 		<key>LSApplicationQueriesSchemes</key>
 		<array>
 		<string>sms</string>

Frontend/pubspec.lock

@@ -382,6 +382,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.1.1"
+  fl_downloader:
+    dependency: "direct main"
+    description:
+      name: fl_downloader
+      sha256: e3f0696f7b22933baeae3c99d806c3a6f11507ab6c2bf74b4c580abf8e036f80
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.2"
   flutter:
     dependency: "direct main"
     description: flutter

Frontend/pubspec.yaml

@@ -40,7 +40,7 @@ dependencies:
   syncfusion_flutter_core: ^26.2.10
   syncfusion_flutter_pdfviewer: ^26.1.39
   universal_html: ^2.2.4
-  file_picker: ^8.0.5
+  file_picker: ^8.1.4
   supertokens_flutter: ^0.6.0
   http: ^1.2.1
   google_nav_bar: ^5.0.6
@@ -66,6 +66,7 @@ dependencies:
   # flutter_barcode_scanner: ^2.0.0
   barcode_widget: ^2.0.4
   url_launcher: ^6.3.1
+  fl_downloader: ^2.0.2
   
 dev_dependencies:
   flutter_test:

Frontend/windows/flutter/generated_plugin_registrant.cc

@@ -7,6 +7,7 @@
 #include "generated_plugin_registrant.h"
 
 #include <firebase_core/firebase_core_plugin_c_api.h>
+#include <fl_downloader/fl_downloader_plugin_c_api.h>
 #include <geolocator_windows/geolocator_windows.h>
 #include <permission_handler_windows/permission_handler_windows_plugin.h>
 #include <printing/printing_plugin.h>
@@ -17,6 +18,8 @@
 void RegisterPlugins(flutter::PluginRegistry* registry) {
   FirebaseCorePluginCApiRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("FirebaseCorePluginCApi"));
+  FlDownloaderPluginCApiRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("FlDownloaderPluginCApi"));
   GeolocatorWindowsRegisterWithRegistrar(
       registry->GetRegistrarForPlugin("GeolocatorWindows"));
   PermissionHandlerWindowsPluginRegisterWithRegistrar(

Frontend/windows/flutter/generated_plugins.cmake

@@ -4,6 +4,7 @@
 
 list(APPEND FLUTTER_PLUGIN_LIST
   firebase_core
+  fl_downloader
   geolocator_windows
   permission_handler_windows
   printing