new icon

lib/main.dart

@@ -180,7 +180,7 @@ class MainPageState extends State<MainPage> {
         data = file.readAsStringSync();
       } else {
         PlatformFile pfile = result.files.first;
-        data = String.fromCharCodes(pfile.bytes?.map((e) => e) ?? []);
+        data = utf8.decode(pfile.bytes?.map((e) => e).toList() ?? []);
       }
       try {
         if (data.isEmpty) throw ErrorDescription("Empty File!");

macos/Runner/Assets.xcassets/AppIcon.appiconset/Contents.json

@@ -1,68 +1,68 @@
 {
-  "images" : [
-    {
-      "size" : "16x16",
-      "idiom" : "mac",
-      "filename" : "app_icon_16.png",
-      "scale" : "1x"
+    "info": {
+        "version": 1,
+        "author": "xcode"
     },
-    {
-      "size" : "16x16",
-      "idiom" : "mac",
-      "filename" : "app_icon_32.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "32x32",
-      "idiom" : "mac",
-      "filename" : "app_icon_32.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "32x32",
-      "idiom" : "mac",
-      "filename" : "app_icon_64.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "128x128",
-      "idiom" : "mac",
-      "filename" : "app_icon_128.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "128x128",
-      "idiom" : "mac",
-      "filename" : "app_icon_256.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "256x256",
-      "idiom" : "mac",
-      "filename" : "app_icon_256.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "256x256",
-      "idiom" : "mac",
-      "filename" : "app_icon_512.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "512x512",
-      "idiom" : "mac",
-      "filename" : "app_icon_512.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "512x512",
-      "idiom" : "mac",
-      "filename" : "app_icon_1024.png",
-      "scale" : "2x"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}
+    "images": [
+        {
+            "size": "16x16",
+            "idiom": "mac",
+            "filename": "app_icon_16.png",
+            "scale": "1x"
+        },
+        {
+            "size": "16x16",
+            "idiom": "mac",
+            "filename": "app_icon_32.png",
+            "scale": "2x"
+        },
+        {
+            "size": "32x32",
+            "idiom": "mac",
+            "filename": "app_icon_32.png",
+            "scale": "1x"
+        },
+        {
+            "size": "32x32",
+            "idiom": "mac",
+            "filename": "app_icon_64.png",
+            "scale": "2x"
+        },
+        {
+            "size": "128x128",
+            "idiom": "mac",
+            "filename": "app_icon_128.png",
+            "scale": "1x"
+        },
+        {
+            "size": "128x128",
+            "idiom": "mac",
+            "filename": "app_icon_256.png",
+            "scale": "2x"
+        },
+        {
+            "size": "256x256",
+            "idiom": "mac",
+            "filename": "app_icon_256.png",
+            "scale": "1x"
+        },
+        {
+            "size": "256x256",
+            "idiom": "mac",
+            "filename": "app_icon_512.png",
+            "scale": "2x"
+        },
+        {
+            "size": "512x512",
+            "idiom": "mac",
+            "filename": "app_icon_512.png",
+            "scale": "1x"
+        },
+        {
+            "size": "512x512",
+            "idiom": "mac",
+            "filename": "app_icon_1024.png",
+            "scale": "2x"
+        }
+    ]
+}

pubspec.lock

@@ -1,6 +1,22 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  archive:
+    dependency: transitive
+    description:
+      name: archive
+      sha256: "0c8368c9b3f0abbc193b9d6133649a614204b528982bebc7026372d61677ce3a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.3.7"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      sha256: eef6c46b622e0494a36c5a12d10d77fb4e855501a91c1b9ef9339326e58f0596
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
   async:
     dependency: transitive
     description:
@@ -25,6 +41,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.3.0"
+  checked_yaml:
+    dependency: transitive
+    description:
+      name: checked_yaml
+      sha256: feb6bed21949061731a7a75fc5d2aa727cf160b91af9a3e464c5e3a32e28b5ff
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.3"
+  cli_util:
+    dependency: transitive
+    description:
+      name: cli_util
+      sha256: b8db3080e59b2503ca9e7922c3df2072cf13992354d5e944074ffa836fba43b7
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.4.0"
   clock:
     dependency: transitive
     description:
@@ -41,6 +73,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.17.1"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      sha256: "0f08b14755d163f6e2134cb58222dd25ea2a2ee8a195e53983d57c075324d592"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.3"
   cupertino_icons:
     dependency: "direct main"
     description:
@@ -86,6 +134,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_launcher_icons:
+    dependency: "direct dev"
+    description:
+      name: flutter_launcher_icons
+      sha256: "526faf84284b86a4cb36d20a5e45147747b7563d921373d4ee0559c54fcdbcea"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.13.1"
   flutter_lints:
     dependency: "direct dev"
     description:
@@ -112,6 +168,14 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  image:
+    dependency: transitive
+    description:
+      name: image
+      sha256: a72242c9a0ffb65d03de1b7113bc4e189686fc07c7147b8b41811d0dd0e0d9bf
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.17"
   js:
     dependency: transitive
     description:
@@ -120,6 +184,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.6.7"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      sha256: b10a7b2ff83d83c777edba3c6a0f97045ddadd56c944e1a23a3fdf43a1bf4467
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.8.1"
   lints:
     dependency: transitive
     description:
@@ -184,6 +256,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.6"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      sha256: cb3798bef7fc021ac45b308f4b51208a152792445cce0448c9a4ba5879dd8750
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.4.0"
   platform:
     dependency: transitive
     description:
@@ -200,6 +280,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.1.4"
+  pointycastle:
+    dependency: transitive
+    description:
+      name: pointycastle
+      sha256: "7c1e5f0d23c9016c5bbd8b1473d0d3fb3fc851b876046039509e18e0c7485f2c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.7.3"
   process:
     dependency: transitive
     description:
@@ -317,6 +405,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.5.2"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: facc8d6582f16042dd49f2463ff1bd6e2c9ef9f3d5da3d9b087e244a7b564b3c
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.3.2"
   vector_math:
     dependency: transitive
     description:
@@ -341,6 +437,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.0"
+  xml:
+    dependency: transitive
+    description:
+      name: xml
+      sha256: "5bc72e1e45e941d825fd7468b9b4cc3b9327942649aeb6fc5cdbf135f0a86e84"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.3.0"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      sha256: "75769501ea3489fca56601ff33454fe45507ea3bfb014161abc3b43ae25989d5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.2"
 sdks:
   dart: ">=3.1.0-59.0.dev <4.0.0"
   flutter: ">=3.3.0"

pubspec.yaml

@@ -1,5 +1,5 @@
 name: ju_learn
-description: A new Flutter project.
+description: A Flutter learn App.
 # The following line prevents the package from being accidentally published to
 # pub.dev using `flutter pub publish`. This is preferred for private packages.
 publish_to: 'none' # Remove this line if you wish to publish to pub.dev
@@ -47,6 +47,27 @@ dev_dependencies:
   # package. See that file for information about deactivating specific lint
   # rules and activating additional ones.
   flutter_lints: ^2.0.0
+  flutter_launcher_icons:
+
+
+flutter_launcher_icons:
+  image_path: "icon/icon.png" 
+  android: true
+  ios: true
+  web:
+    generate: true
+    image_path: "icon/icon.png"
+    background_color: "#ffffff"
+    theme_color: "#29b6f6"
+  windows:
+    generate: true
+    image_path: "icon/icon.png"
+    icon_size: 256 # min:48, max:256, default: 48
+  macos:
+    generate: true
+    image_path: "icon/icon.png"
+  # optionally, as transparency is not allowed on app store
+  # remove_alpha_ios: true
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec

web/index.html

@@ -18,7 +18,7 @@
 
   <meta charset="UTF-8">
   <meta content="IE=Edge" http-equiv="X-UA-Compatible">
-  <meta name="description" content="A new Flutter project.">
+  <meta name="description" content="A Flutter learn App.">
 
   <!-- iOS meta tags & icons -->
   <meta name="apple-mobile-web-app-capable" content="yes">

web/manifest.json

@@ -3,8 +3,8 @@
     "short_name": "ju_learn",
     "start_url": ".",
     "display": "standalone",
-    "background_color": "#0175C2",
-    "theme_color": "#0175C2",
+    "background_color": "#ffffff",
+    "theme_color": "#29b6f6",
     "description": "A new Flutter project.",
     "orientation": "portrait-primary",
     "prefer_related_applications": false,
@@ -32,4 +32,4 @@
             "purpose": "maskable"
         }
     ]
-}
+}