Started working on Example - break into smaller pieces, show code

Author: danvick

example/lib/code_page.dart

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+import 'package:flutter/material.dart';
+import 'package:widget_with_codeview/widget_with_codeview.dart';
+
+class CodePage extends StatefulWidget {
+  final String title;
+  final Widget child;
+  final String sourceFilePath;
+
+  const CodePage({
+    Key key,
+    @required this.title,
+    @required this.child,
+    @required this.sourceFilePath,
+  }) : super(key: key);
+
+  @override
+  _CodePageState createState() => _CodePageState();
+}
+
+class _CodePageState extends State<CodePage> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(widget.title),
+        elevation: 0,
+      ),
+      body: WidgetWithCodeView(
+        child: widget.child,
+        sourceFilePath: widget.sourceFilePath,
+        // 1codeLinkPrefix` is optional. When it's specified, two more buttons
+        // (open-code-in-browser, copy-code-link) will be added in the code view.
+        // codeLinkPrefix: 'https://github.com/danvick/flutter_form_builder/blob/version_4/example/',
+      ),
+    );
+  }
+}

example/lib/home_page.dart

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+import 'package:example/code_page.dart';
+import 'package:flutter/cupertino.dart';
+import 'package:flutter/material.dart';
+
+import 'sources/complete_form.dart';
+
+class HomePage extends StatelessWidget {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text('Flutter Form Builder'),
+      ),
+      body: ListView(
+        children: <Widget>[
+          ListTile(
+            title: Text('Complete Form'),
+            trailing: Icon(CupertinoIcons.right_chevron),
+            onTap: () => Navigator.of(context)
+                .push(MaterialPageRoute(builder: (context) => CodePage(
+              title: 'Complete Form',
+              child: CompleteForm(),
+              sourceFilePath: 'lib/sources/complete_form.dart',
+            ))),
+          ),
+          Divider(),
+        ],
+      ),
+    );
+  }
+}