+ 4 patterns + code View - Not that good

lib/patterns/patterns.dart

@@ -287,3 +287,94 @@ class Pattern21 extends StatelessWidget {
     );
   }
 }
+
+class Pattern24 extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    var space = 4;
+    var result = "";
+    for (int i = 1; i <= 5; i++) {
+      result = result + "_" * space;
+      for (var j = 1; j <= 5; j++) {
+        result = result + ((j == 1 || j == 5 || i == 1 || i == 5) ? "*" : "_");
+      }
+      result = result + "\n";
+      space--;
+    }
+    return PrintPattern(
+      result: result,
+    );
+  }
+}
+
+class Pattern26 extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    var result = "";
+    var count = 5;
+    for (var i = 1; i <= count; i++) {
+      for (int j = 1; j <= i; j++) {
+        result = result + "*";
+      }
+      for (int k = i * 2; k <= count * 2 - 1; k++) {
+        result = result + "_";
+      }
+      for (int l = 1; l <= i; l++) {
+        result = result + "*";
+      }
+      result = result + "\n";
+    }
+    for (int i = 1; i <= count - 1; i++) {
+      for (int j = count - 1; j >= i; j--) {
+        result = result + "*";
+      }
+      for (int k = 1; k <= i * 2; k++) {
+        result = result + "_";
+      }
+      for (int l = count - 1; l >= i; l--) {
+        result = result + "*";
+      }
+      result = result + "\n";
+    }
+    return PrintPattern(
+      result: result,
+    );
+  }
+}
+
+class Pattern27 extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    var count = 5;
+    var result = "";
+    for (int i = 1; i <= count; i++) {
+      for (int j = i; j <= count; j++) {
+        result = result + "*";
+      }
+      for (int k = 1; k <= i * 2 - 2; k++) {
+        result = result + "_";
+      }
+      for (int l = i; l <= count; l++) {
+        result = result + "*";
+      }
+      result = result + "\n";
+    }
+
+    for (int i = 1; i <= count; i++) {
+      for (int j = 1; j <= i; j++) {
+        result = result + "*";
+      }
+      for (int k = i * 2 - 2; k < count * 2 - 2; k++) {
+        result = result + "_";
+      }
+      for (int l = 1; l <= i; l++) {
+        result = result + "*";
+      }
+
+      result = result + "\n";
+    }
+    return PrintPattern(
+      result: result,
+    );
+  }
+}

lib/widgets/detailView.dart

@@ -1,4 +1,5 @@
 import 'package:flutter/material.dart';
+import 'package:widget_with_codeview/widget_with_codeview.dart';
 
 class DetailView extends StatelessWidget {
   DetailView({
@@ -8,7 +9,15 @@ class DetailView extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      body: view,
+      appBar: AppBar(
+        elevation: 0,
+      ),
+      body: WidgetWithCodeView(
+        child: Center(
+          child: view,
+        ),
+        sourceFilePath: "lib/patterns/patterns.dart",
+      ),
     );
   }
 }

lib/widgets/homePage.dart

@@ -69,5 +69,8 @@ class _HomePageState extends State<HomePage> {
     Pattern14(),
     Pattern15(),
     Pattern21(),
+    Pattern24(),
+    Pattern26(),
+    Pattern27(),
   ];
 }

pubspec.lock

@@ -1,6 +1,13 @@
 # Generated by pub
 # See https://dart.dev/tools/pub/glossary#lockfile
 packages:
+  animated_floatactionbuttons:
+    dependency: transitive
+    description:
+      name: animated_floatactionbuttons
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.0"
   animations:
     dependency: "direct main"
     description:
@@ -81,6 +88,11 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
+  flutter_web_plugins:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.0"
   image:
     dependency: transitive
     description:
@@ -123,6 +135,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.4.0"
+  plugin_platform_interface:
+    dependency: transitive
+    description:
+      name: plugin_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
   quiver:
     dependency: transitive
     description:
@@ -184,13 +203,48 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.1.6"
+  url_launcher:
+    dependency: transitive
+    description:
+      name: url_launcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.4.2"
+  url_launcher_macos:
+    dependency: transitive
+    description:
+      name: url_launcher_macos
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.0.1+4"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.6"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.1+1"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
     version: "2.0.8"
+  widget_with_codeview:
+    dependency: "direct main"
+    description:
+      name: widget_with_codeview
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
   xml:
     dependency: transitive
     description:
@@ -200,3 +254,4 @@ packages:
     version: "3.5.0"
 sdks:
   dart: ">=2.4.0 <3.0.0"
+  flutter: ">=1.12.8 <2.0.0"

pubspec.yaml

@@ -24,6 +24,7 @@ dependencies:
   # Use with the CupertinoIcons class for iOS style icons.
   cupertino_icons: ^0.1.2
   animations: ^1.0.0+5
+  widget_with_codeview: ^1.0.3
 
 dev_dependencies:
   flutter_test:
@@ -39,8 +40,8 @@ flutter:
   # the material Icons class.
   uses-material-design: true
   # To add assets to your application, add an assets section, like this:
-  # assets:
-  #  - images/a_dot_burr.jpeg
+  assets:
+    - lib/patterns/patterns.dart
   #  - images/a_dot_ham.jpeg
   # An image asset can refer to one or more resolution-specific "variants", see
   # https://flutter.dev/assets-and-images/#resolution-aware.