diff --git a/lib/common/example_code_parser.dart b/lib/common/example_code_parser.dart
new file mode 100644
index 00000000..0a0310ca
--- /dev/null
+++ b/lib/common/example_code_parser.dart
@@ -0,0 +1,64 @@
+/*
+ * @Author: 一凨 
+ * @Date: 2019-01-14 11:42:36 
+ * @Last Modified by: 一凨
+ * @Last Modified time: 2019-01-14 15:53:20
+ */
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'dart:async';
+
+import 'package:flutter/services.dart';
+
+const String _kStartTag = '// START ';
+const String _kEndTag = '// END';
+
+Map<String, String> _exampleCode;
+String _code;
+
+Future<String> getExampleCode(String filePath, AssetBundle bundle) async {
+  if (_exampleCode == null)
+    await _parseExampleCode(filePath,bundle);
+  // return _exampleCode[filePath];
+  return _code;
+}
+
+Future<void> _parseExampleCode(String filePath,AssetBundle bundle) async {
+  
+  final String code = await bundle.loadString('$filePath') ??
+    '// $filePath not found\n';
+    print('$filePath 1234567Nealyang');
+    _code = code;
+  // _exampleCode = <String, String>{};
+  // final List<String> lines = code.split('\n');
+  // List<String> codeBlock;
+  // String codeTag;
+
+  // for (String line in lines) {
+  //   if (codeBlock == null) {
+  //     // Outside a block.
+  //     if (line.startsWith(_kStartTag)) {
+  //       // Starting a new code block.
+  //       codeBlock = <String>[];
+  //       codeTag = line.substring(_kStartTag.length).trim();
+  //     } else {
+  //       // Just skipping the line.
+  //     }
+  //   } else {
+  //     // Inside a block.
+  //     if (line.startsWith(_kEndTag)) {
+  //       // Add the block.
+  //       _exampleCode[codeTag] = codeBlock.join('\n');
+  //       codeBlock = null;
+  //       codeTag = null;
+  //     } else {
+  //       // Add to the current block
+  //       // trimRight() to remove any \r on Windows
+  //       // without removing any useful indentation
+  //       codeBlock.add(line.trimRight());
+  //     }
+  //   }
+  // }
+}
diff --git a/lib/common/full_screen_code_dialog.dart b/lib/common/full_screen_code_dialog.dart
new file mode 100644
index 00000000..74d38aeb
--- /dev/null
+++ b/lib/common/full_screen_code_dialog.dart
@@ -0,0 +1,73 @@
+/*
+ * @Author: 一凨 
+ * @Date: 2019-01-14 11:42:32 
+ * @Last Modified by: 一凨
+ * @Last Modified time: 2019-01-14 14:42:00
+ */
+import 'package:flutter/material.dart';
+import 'example_code_parser.dart';
+import 'syntax_highlighter.dart';
+
+class FullScreenCodeDialog extends StatefulWidget {
+  const FullScreenCodeDialog({this.filePath});
+
+  final String filePath;
+  _FullScreenCodeDialogState createState() => _FullScreenCodeDialogState();
+}
+
+class _FullScreenCodeDialogState extends State<FullScreenCodeDialog> {
+  String _exampleCode;
+
+  @override
+  void didChangeDependencies() {
+    getExampleCode(widget.filePath, DefaultAssetBundle.of(context))
+        .then<void>((String code) {
+      if (mounted) {
+        setState(() {
+          _exampleCode = code ?? 'Example code not found';
+        });
+      }
+    });
+    super.didChangeDependencies();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final SyntaxHighlighterStyle style =
+        Theme.of(context).brightness == Brightness.dark
+            ? SyntaxHighlighterStyle.darkThemeStyle()
+            : SyntaxHighlighterStyle.lightThemeStyle();
+
+    Widget body;
+    if (_exampleCode == null) {
+      body = const Center(child: CircularProgressIndicator());
+    } else {
+      body = SingleChildScrollView(
+        child: Padding(
+          padding: const EdgeInsets.all(16.0),
+          child: RichText(
+            text: TextSpan(
+                style: const TextStyle(fontFamily: 'monospace', fontSize: 10.0),
+                children: <TextSpan>[
+                  DartSyntaxHighlighter(style).format(_exampleCode)
+                ]),
+          ),
+        ),
+      );
+    }
+
+    return Scaffold(
+        appBar: AppBar(
+          leading: IconButton(
+              icon: const Icon(
+                Icons.clear,
+                semanticLabel: 'Close',
+              ),
+              onPressed: () {
+                Navigator.pop(context);
+              }),
+          title: const Text('Example code'),
+        ),
+        body: body);
+  }
+}
diff --git a/lib/common/syntax_highlighter.dart b/lib/common/syntax_highlighter.dart
new file mode 100644
index 00000000..3048e3a8
--- /dev/null
+++ b/lib/common/syntax_highlighter.dart
@@ -0,0 +1,362 @@
+/*
+ * @Author: 一凨 
+ * @Date: 2019-01-14 11:42:39 
+ * @Last Modified by:   一凨 
+ * @Last Modified time: 2019-01-14 11:42:39 
+ */
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+import 'package:flutter/material.dart';
+import 'package:string_scanner/string_scanner.dart';
+
+class SyntaxHighlighterStyle {
+  SyntaxHighlighterStyle({
+    this.baseStyle,
+    this.numberStyle,
+    this.commentStyle,
+    this.keywordStyle,
+    this.stringStyle,
+    this.punctuationStyle,
+    this.classStyle,
+    this.constantStyle
+  });
+
+  static SyntaxHighlighterStyle lightThemeStyle() {
+    return SyntaxHighlighterStyle(
+      baseStyle: const TextStyle(color: Color(0xFF000000)),
+      numberStyle: const TextStyle(color: Color(0xFF1565C0)),
+      commentStyle: const TextStyle(color: Color(0xFF9E9E9E)),
+      keywordStyle: const TextStyle(color: Color(0xFF9C27B0)),
+      stringStyle: const TextStyle(color: Color(0xFF43A047)),
+      punctuationStyle: const TextStyle(color: Color(0xFF000000)),
+      classStyle: const TextStyle(color: Color(0xFF512DA8)),
+      constantStyle: const TextStyle(color: Color(0xFF795548))
+    );
+  }
+
+  static SyntaxHighlighterStyle darkThemeStyle() {
+    return SyntaxHighlighterStyle(
+      baseStyle: const TextStyle(color: Color(0xFFFFFFFF)),
+      numberStyle: const TextStyle(color: Color(0xFF1565C0)),
+      commentStyle: const TextStyle(color: Color(0xFF9E9E9E)),
+      keywordStyle: const TextStyle(color: Color(0xFF80CBC4)),
+      stringStyle: const TextStyle(color: Color(0xFF009688)),
+      punctuationStyle: const TextStyle(color: Color(0xFFFFFFFF)),
+      classStyle: const TextStyle(color: Color(0xFF009688)),
+      constantStyle: const TextStyle(color: Color(0xFF795548))
+    );
+  }
+
+  final TextStyle baseStyle;
+  final TextStyle numberStyle;
+  final TextStyle commentStyle;
+  final TextStyle keywordStyle;
+  final TextStyle stringStyle;
+  final TextStyle punctuationStyle;
+  final TextStyle classStyle;
+  final TextStyle constantStyle;
+}
+
+abstract class SyntaxHighlighter { // ignore: one_member_abstracts
+  TextSpan format(String src);
+}
+
+class DartSyntaxHighlighter extends SyntaxHighlighter {
+  DartSyntaxHighlighter([this._style]) {
+    _spans = <_HighlightSpan>[];
+    _style ??= SyntaxHighlighterStyle.darkThemeStyle();
+  }
+
+  SyntaxHighlighterStyle _style;
+
+  static const List<String> _keywords = <String>[
+    'abstract', 'as', 'assert', 'async', 'await', 'break', 'case', 'catch',
+    'class', 'const', 'continue', 'default', 'deferred', 'do', 'dynamic', 'else',
+    'enum', 'export', 'external', 'extends', 'factory', 'false', 'final',
+    'finally', 'for', 'get', 'if', 'implements', 'import', 'in', 'is', 'library',
+    'new', 'null', 'operator', 'part', 'rethrow', 'return', 'set', 'static',
+    'super', 'switch', 'sync', 'this', 'throw', 'true', 'try', 'typedef', 'var',
+    'void', 'while', 'with', 'yield'
+  ];
+
+  static const List<String> _builtInTypes = <String>[
+    'int', 'double', 'num', 'bool'
+  ];
+
+  String _src;
+  StringScanner _scanner;
+
+  List<_HighlightSpan> _spans;
+
+  @override
+  TextSpan format(String src) {
+    _src = src;
+    _scanner = StringScanner(_src);
+
+    if (_generateSpans()) {
+      // Successfully parsed the code
+      final List<TextSpan> formattedText = <TextSpan>[];
+      int currentPosition = 0;
+
+      for (_HighlightSpan span in _spans) {
+        if (currentPosition != span.start)
+          formattedText.add(TextSpan(text: _src.substring(currentPosition, span.start)));
+
+        formattedText.add(TextSpan(style: span.textStyle(_style), text: span.textForSpan(_src)));
+
+        currentPosition = span.end;
+      }
+
+      if (currentPosition != _src.length)
+        formattedText.add(TextSpan(text: _src.substring(currentPosition, _src.length)));
+
+      return TextSpan(style: _style.baseStyle, children: formattedText);
+    } else {
+      // Parsing failed, return with only basic formatting
+      return TextSpan(style: _style.baseStyle, text: src);
+    }
+  }
+
+  bool _generateSpans() {
+    int lastLoopPosition = _scanner.position;
+
+    while (!_scanner.isDone) {
+      // Skip White space
+      _scanner.scan(RegExp(r'\s+'));
+
+      // Block comments
+      if (_scanner.scan(RegExp(r'/\*(.|\n)*\*/'))) {
+        _spans.add(_HighlightSpan(
+          _HighlightType.comment,
+          _scanner.lastMatch.start,
+          _scanner.lastMatch.end
+        ));
+        continue;
+      }
+
+      // Line comments
+      if (_scanner.scan('//')) {
+        final int startComment = _scanner.lastMatch.start;
+
+        bool eof = false;
+        int endComment;
+        if (_scanner.scan(RegExp(r'.*\n'))) {
+          endComment = _scanner.lastMatch.end - 1;
+        } else {
+          eof = true;
+          endComment = _src.length;
+        }
+
+        _spans.add(_HighlightSpan(
+          _HighlightType.comment,
+          startComment,
+          endComment
+        ));
+
+        if (eof)
+          break;
+
+        continue;
+      }
+
+      // Raw r"String"
+      if (_scanner.scan(RegExp(r'r".*"'))) {
+        _spans.add(_HighlightSpan(
+          _HighlightType.string,
+          _scanner.lastMatch.start,
+          _scanner.lastMatch.end
+        ));
+        continue;
+      }
+
+      // Raw r'String'
+      if (_scanner.scan(RegExp(r"r'.*'"))) {
+        _spans.add(_HighlightSpan(
+          _HighlightType.string,
+          _scanner.lastMatch.start,
+          _scanner.lastMatch.end
+        ));
+        continue;
+      }
+
+      // Multiline """String"""
+      if (_scanner.scan(RegExp(r'"""(?:[^"\\]|\\(.|\n))*"""'))) {
+        _spans.add(_HighlightSpan(
+          _HighlightType.string,
+          _scanner.lastMatch.start,
+          _scanner.lastMatch.end
+        ));
+        continue;
+      }
+
+      // Multiline '''String'''
+      if (_scanner.scan(RegExp(r"'''(?:[^'\\]|\\(.|\n))*'''"))) {
+        _spans.add(_HighlightSpan(
+          _HighlightType.string,
+          _scanner.lastMatch.start,
+          _scanner.lastMatch.end
+        ));
+        continue;
+      }
+
+      // "String"
+      if (_scanner.scan(RegExp(r'"(?:[^"\\]|\\.)*"'))) {
+        _spans.add(_HighlightSpan(
+          _HighlightType.string,
+          _scanner.lastMatch.start,
+          _scanner.lastMatch.end
+        ));
+        continue;
+      }
+
+      // 'String'
+      if (_scanner.scan(RegExp(r"'(?:[^'\\]|\\.)*'"))) {
+        _spans.add(_HighlightSpan(
+          _HighlightType.string,
+          _scanner.lastMatch.start,
+          _scanner.lastMatch.end
+        ));
+        continue;
+      }
+
+      // Double
+      if (_scanner.scan(RegExp(r'\d+\.\d+'))) {
+        _spans.add(_HighlightSpan(
+          _HighlightType.number,
+          _scanner.lastMatch.start,
+          _scanner.lastMatch.end
+        ));
+        continue;
+      }
+
+      // Integer
+      if (_scanner.scan(RegExp(r'\d+'))) {
+        _spans.add(_HighlightSpan(
+          _HighlightType.number,
+          _scanner.lastMatch.start,
+          _scanner.lastMatch.end)
+        );
+        continue;
+      }
+
+      // Punctuation
+      if (_scanner.scan(RegExp(r'[\[\]{}().!=<>&\|\?\+\-\*/%\^~;:,]'))) {
+        _spans.add(_HighlightSpan(
+          _HighlightType.punctuation,
+          _scanner.lastMatch.start,
+          _scanner.lastMatch.end
+        ));
+        continue;
+      }
+
+      // Meta data
+      if (_scanner.scan(RegExp(r'@\w+'))) {
+        _spans.add(_HighlightSpan(
+          _HighlightType.keyword,
+          _scanner.lastMatch.start,
+          _scanner.lastMatch.end
+        ));
+        continue;
+      }
+
+      // Words
+      if (_scanner.scan(RegExp(r'\w+'))) {
+        _HighlightType type;
+
+        String word = _scanner.lastMatch[0];
+        if (word.startsWith('_'))
+          word = word.substring(1);
+
+        if (_keywords.contains(word))
+          type = _HighlightType.keyword;
+        else if (_builtInTypes.contains(word))
+          type = _HighlightType.keyword;
+        else if (_firstLetterIsUpperCase(word))
+          type = _HighlightType.klass;
+        else if (word.length >= 2 && word.startsWith('k') && _firstLetterIsUpperCase(word.substring(1)))
+          type = _HighlightType.constant;
+
+        if (type != null) {
+          _spans.add(_HighlightSpan(
+            type,
+            _scanner.lastMatch.start,
+            _scanner.lastMatch.end
+          ));
+        }
+      }
+
+      // Check if this loop did anything
+      if (lastLoopPosition == _scanner.position) {
+        // Failed to parse this file, abort gracefully
+        return false;
+      }
+      lastLoopPosition = _scanner.position;
+    }
+
+    _simplify();
+    return true;
+  }
+
+  void _simplify() {
+    for (int i = _spans.length - 2; i >= 0; i -= 1) {
+      if (_spans[i].type == _spans[i + 1].type && _spans[i].end == _spans[i + 1].start) {
+        _spans[i] = _HighlightSpan(
+          _spans[i].type,
+          _spans[i].start,
+          _spans[i + 1].end
+        );
+        _spans.removeAt(i + 1);
+      }
+    }
+  }
+
+  bool _firstLetterIsUpperCase(String str) {
+    if (str.isNotEmpty) {
+      final String first = str.substring(0, 1);
+      return first == first.toUpperCase();
+    }
+    return false;
+  }
+}
+
+enum _HighlightType {
+  number,
+  comment,
+  keyword,
+  string,
+  punctuation,
+  klass,
+  constant
+}
+
+class _HighlightSpan {
+  _HighlightSpan(this.type, this.start, this.end);
+  final _HighlightType type;
+  final int start;
+  final int end;
+
+  String textForSpan(String src) {
+    return src.substring(start, end);
+  }
+
+  TextStyle textStyle(SyntaxHighlighterStyle style) {
+    if (type == _HighlightType.number)
+      return style.numberStyle;
+    else if (type == _HighlightType.comment)
+      return style.commentStyle;
+    else if (type == _HighlightType.keyword)
+      return style.keywordStyle;
+    else if (type == _HighlightType.string)
+      return style.stringStyle;
+    else if (type == _HighlightType.punctuation)
+      return style.punctuationStyle;
+    else if (type == _HighlightType.klass)
+      return style.classStyle;
+    else if (type == _HighlightType.constant)
+      return style.constantStyle;
+    else
+      return style.baseStyle;
+  }
+}
diff --git a/lib/common/widget_demo.dart b/lib/common/widget_demo.dart
index 204c4ca0..ca8b518f 100644
--- a/lib/common/widget_demo.dart
+++ b/lib/common/widget_demo.dart
@@ -12,6 +12,10 @@ import '../widgets/index.dart';
 import 'package:fluttertoast/fluttertoast.dart';
 import '../event/event-bus.dart';
 import '../event/event-model.dart';
+import './full_screen_code_dialog.dart';
+import '../routers/application.dart';
+import '../routers/routers.dart';
+import 'dart:core';
 
 class WidgetDemo extends StatefulWidget {
   final List<dynamic> contentList;
@@ -141,7 +145,10 @@ class _WidgetDemoState extends State<WidgetDemo> {
     if(value == 'doc'){
       _launchURL(widget.docUrl);
     }else if(value =='code'){
-       _launchURL(Application.github['widgetsURL'] + widget.codeUrl);
+      //  _launchURL(Application.github['widgetsURL'] + widget.codeUrl);
+      String targetUrl = 'lib/widgets/${widget.codeUrl}';
+      Application.router.navigateTo(context, '${Routes.codeView}?filePath=${Uri.encodeComponent(targetUrl)}');
+      
     }else{
       _getCollection();
     }
diff --git a/lib/routers/router_handler.dart b/lib/routers/router_handler.dart
index 88f69156..f852e4a9 100644
--- a/lib/routers/router_handler.dart
+++ b/lib/routers/router_handler.dart
@@ -2,6 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:fluro/fluro.dart';
 import '../views/category.dart';
 import '../widgets/404.dart';
+import '../common/full_screen_code_dialog.dart';
 
 var categoryHandler = new Handler(
     handlerFunc: (BuildContext context, Map<String, List<String>> params) {
@@ -16,3 +17,10 @@ var widgetNotFoundHandler = new Handler(
     return new WidgetNotFound();
   }
 );
+
+var fullScreenCodeDialog = new Handler(
+  handlerFunc: (BuildContext context,Map<String, List<String>> params){
+    String path = params['filePath']?.first;
+    return new FullScreenCodeDialog(filePath: path,);
+  }
+);
diff --git a/lib/routers/routers.dart b/lib/routers/routers.dart
index 4848a990..03310fef 100644
--- a/lib/routers/routers.dart
+++ b/lib/routers/routers.dart
@@ -7,6 +7,7 @@ import './router_handler.dart';
 class Routes {
   static String root = "/";
   static String widgetDemo = '/widget-demo';
+  static String codeView = '/code-view';
 
   static void configureRoutes(Router router) {
     List widgetDemosList = new WidgetDemoList().getDemos();
@@ -17,13 +18,12 @@ class Routes {
 
     router.define('/category/:type', handler: categoryHandler);
     router.define('/category/error/404', handler: widgetNotFoundHandler);
+    router.define(codeView,handler:fullScreenCodeDialog);
     widgetDemosList.forEach((demo) {
       Handler handler = new Handler(
           handlerFunc: (BuildContext context, Map<String, List<String>> params) {
             return demo.buildRouter(context);
       });
-
-
       router.define('${demo.routerName}', handler: handler);
     });
   }
diff --git a/lib/widgets/elements/Form/Input/TextField/text_field_demo.dart b/lib/widgets/elements/Form/Input/TextField/text_field_demo.dart
index b3e640f0..3a4cfc95 100644
--- a/lib/widgets/elements/Form/Input/TextField/text_field_demo.dart
+++ b/lib/widgets/elements/Form/Input/TextField/text_field_demo.dart
@@ -2,7 +2,8 @@ import 'package:flutter/material.dart';
 
 /*
 * 基本示例
-* */
+* 
+*/
 class DefaultTextField extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
diff --git a/pubspec.yaml b/pubspec.yaml
index 1d9e769d..e33abd48 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -45,8 +45,128 @@ flutter:
   # the material Icons class.
   uses-material-design: true
   assets:
+    - lib/widgets/elements/Form/Input/TextField/text_field_demo.dart
+    - lib/widgets/elements/Form/CheckBox/Checkbox/demo.dart
+    - lib/widgets/components/Bar/AppBar/demo.dart
+    - lib/widgets/components/Bar/BottomAppBar/demo.dart
+    - lib/widgets/components/Bar/ButtonBar/demo.dart
+    - lib/widgets/components/Bar/FlexibleSpaceBar/demo.dart
+    - lib/widgets/components/Bar/SliverAppBar/demo.dart
+    - lib/widgets/components/Bar/SnackBar/demo.dart
+    - lib/widgets/components/Bar/SnackBarAction/demo.dart
+    - lib/widgets/components/Bar/TabBar/demo.dart
+    - lib/widgets/components/Card/Card/demo.dart
+    - lib/widgets/components/Chip/Chip/demo.dart
+    - lib/widgets/components/Chip/ChipTheme/demo.dart
+    - lib/widgets/components/Chip/ChipThemeData/demo.dart
+    - lib/widgets/components/Chip/ChoiceChip/demo.dart
+    - lib/widgets/components/Chip/FilterChip/demo.dart
+    - lib/widgets/components/Chip/inputChip/demo.dart
+    - lib/widgets/components/Chip/RawChip/demo.dart
+    - lib/widgets/components/Dialog/AboutDialog/demo.dart
+    - lib/widgets/components/Dialog/AlertDialog/demo.dart
+    - lib/widgets/components/Dialog/Dialog/demo.dart
+    - lib/widgets/components/Dialog/SimpleDialog/demo.dart
+    - lib/widgets/components/Grid/GridTile/demo.dart
+    - lib/widgets/components/Grid/GridTileBar/demo.dart
+    - lib/widgets/components/Grid/GridView/demo.dart
+    - lib/widgets/components/LIst/AnimatedList/demo.dart
+    - lib/widgets/components/LIst/ListBody/demo.dart
+    - lib/widgets/components/LIst/ListView/demo.dart
+    - lib/widgets/components/Menu/CheckedPopupMenuItem/demo.dart
+    - lib/widgets/components/Menu/DropdownMenuItem/demo.dart
+    - lib/widgets/components/Menu/PopupMenuButton/demo.dart
+    - lib/widgets/components/Menu/PopupMenuDivider/demo.dart
+    - lib/widgets/components/Navigation/BottomNavigationBar/demo.dart
+    - lib/widgets/components/Navigation/BottomNavigationBarItem/demo.dart
+    - lib/widgets/components/Panel/ExpansionPanel/demo.dart
+    - lib/widgets/components/Panel/ExpansionPanelList/demo.dart
+    - lib/widgets/components/Pick/DayPicker/demo.dart
+    - lib/widgets/components/Pick/MonthPicker/demo.dart
+    - lib/widgets/components/Pick/ShowdatePicker/demo.dart
+    - lib/widgets/components/Pick/YearPicker/demo.dart
+    - lib/widgets/components/Progress/CircularProgressIndicator/demo.dart
+    - lib/widgets/components/Progress/LinearProgressIndicator/demo.dart
+    - lib/widgets/components/Progress/RefreshProgressIndicator/demo.dart
+    - lib/widgets/components/Scaffold/Scaffold/demo.dart
+    - lib/widgets/components/Scaffold/ScaffoldState/demo.dart
+    - lib/widgets/components/Scroll/BoxScrollView/demo.dart
+    - lib/widgets/components/Scroll/CustomScrollView/demo.dart
+    - lib/widgets/components/Scroll/NestedScrollView/demo.dart
+    - lib/widgets/components/Scroll/Scrollable/demo.dart
+    - lib/widgets/components/Scroll/ScrollbarPainter/demo.dart
+    - lib/widgets/components/Scroll/ScrollMetrics/demo.dart
+    - lib/widgets/components/Scroll/ScrollPhysics/demo.dart
+    - lib/widgets/components/Scroll/ScrollView/demo.dart
+    - lib/widgets/components/Tab/Tab/demo.dart
+    - lib/widgets/elements/Form/Button/DropdownButton/demo.dart
+    - lib/widgets/elements/Form/Button/FlatButton/demo.dart
+    - lib/widgets/elements/Form/Button/FloatingActionButton/demo.dart
+    - lib/widgets/elements/Form/Button/IconButton/demo.dart
+    - lib/widgets/elements/Form/Button/OutlineButton/demo.dart
+    - lib/widgets/elements/Form/Button/PopupMenuButton/demo.dart
+    - lib/widgets/elements/Form/Button/RaisedButton/demo.dart
+    - lib/widgets/elements/Form/Button/RawMaterialButton/demo.dart
+    - lib/widgets/elements/Form/CheckBox/Checkbox/demo.dart
+    - lib/widgets/elements/Form/CheckBox/CheckboxListTile/demo.dart
+    - lib/widgets/elements/Form/Radio/Radio/demo.dart
+    - lib/widgets/elements/Form/Radio/RadioListTile/demo.dart
+    - lib/widgets/elements/Form/Slider/Slider/demo.dart
+    - lib/widgets/elements/Form/Slider/SliderTheme/demo.dart
+    - lib/widgets/elements/Form/Slider/SliderThemeData/demo.dart
+    - lib/widgets/elements/Form/Switch/AnimatedSwitcher/demo.dart
+    - lib/widgets/elements/Form/Switch/Switch/demo.dart
+    - lib/widgets/elements/Form/Switch/SwitchListTile/demo.dart
+    - lib/widgets/elements/Frame/Align/Align/demo.dart
+    - lib/widgets/elements/Frame/Box/ConstrainedBox/demo.dart
+    - lib/widgets/elements/Frame/Box/DecoratedBox/demo.dart
+    - lib/widgets/elements/Frame/Box/Fittedbox/demo.dart
+    - lib/widgets/elements/Frame/Box/LimitedBox/demo.dart
+    - lib/widgets/elements/Frame/Box/OverflowBox/demo.dart
+    - lib/widgets/elements/Frame/Box/RenderBox/demo.dart
+    - lib/widgets/elements/Frame/Box/RotatedBox/demo.dart
+    - lib/widgets/elements/Frame/Box/SizeBox/demo.dart
+    - lib/widgets/elements/Frame/Box/SizedOverflowBox/demo.dart
+    - lib/widgets/elements/Frame/Box/TextBox/demo.dart
+    - lib/widgets/elements/Frame/Box/UnconstrainedBox/demo.dart
+    - lib/widgets/elements/Frame/Expanded/Expanded/expanded_demo.dart
+    - lib/widgets/elements/Frame/Layout/Center/demo.dart
+    - lib/widgets/elements/Frame/Layout/Column/demo.dart
+    - lib/widgets/elements/Frame/Layout/Container/demo.dart
+    - lib/widgets/elements/Frame/Layout/Row/demo.dart
+    - lib/widgets/elements/Frame/Spacing/AnimatedPadding/animatedPadding_demo.dart
+    - lib/widgets/elements/Frame/Spacing/Padding/padding_demo.dart
+    - lib/widgets/elements/Frame/Spacing/SliverPadding/sliverpadding_demo.dart
+    - lib/widgets/elements/Frame/Stack/IndexedStack/demo.dart
+    - lib/widgets/elements/Frame/Stack/Stack/demo.dart
+    - lib/widgets/elements/Frame/Table/Table/table_demo.dart
+    - lib/widgets/elements/Media/Icon/Icon/demo.dart
+    - lib/widgets/elements/Media/Icon/IconData/demo.dart
+    - lib/widgets/elements/Media/Icon/IconTheme/demo.dart
+    - lib/widgets/elements/Media/Icon/IconThemeData/demo.dart
+    - lib/widgets/elements/Media/Icon/ImageIcon/demo.dart
+    - lib/widgets/elements/Media/Image/AssetImage/assetImage_demo.dart
+    - lib/widgets/elements/Media/Image/DecorationImage/decorationImage_demo.dart
+    - lib/widgets/elements/Media/Image/DecorationImagePainter/decoration_image_painter_demo.dart
+    - lib/widgets/elements/Media/Image/ExactAssetImage/exact_asset_image_demo.dart
+    - lib/widgets/elements/Media/Image/FadeInImage/fade_in_image_demo.dart
+    - lib/widgets/elements/Media/Image/FileImage/file_image_demo.dart
+    - lib/widgets/elements/Media/Image/Image/demo.dart
+    - lib/widgets/elements/Media/Image/MemoryImage/memory_image_demo.dart
+    - lib/widgets/elements/Media/Image/NetworkImage/network_image_demo.dart
+    - lib/widgets/elements/Media/Image/paintImage/paint_image_demo.dart
+    - lib/widgets/elements/Media/Image/precacheImage/precache_image_demo.dart
+    - lib/widgets/elements/Media/Image/RawImage/raw_image_demo.dart
+    - lib/widgets/themes/Material/MaterialApp/demo.dart
+    - lib/widgets/themes/Material/MaterialButton/demo.dart
+    - lib/widgets/themes/Material/MaterialColor/demo.dart
+    - lib/widgets/themes/Material/MaterialPageRoute/demo.dart
+    - lib/widgets/themes/Material/MergeableMaterialItem/demo.dart
     - assets/app.db
     - assets/images/
+    - lib/common/example_code_parser.dart
+    - lib/common/syntax_highlighter.dart
+
 
   # To add assets to your application, add an assets section, like this:
   # assets: