add the AnimatedDefaultTextStyle;

Author: nb312

lib/const/page_item_const.dart

@@ -217,4 +217,9 @@ const PAGE_ITEMS = [
     "img": PageImage.FLUTTER_OPEN,
     "click": PageName.ANIM_ROTATION,
   },
+  {
+    "title": PageName.ANIM_DEFAULT_TEXT,
+    "img": PageImage.FLUTTER_OPEN,
+    "click": PageName.ANIM_DEFAULT_TEXT,
+  },
 ];

lib/const/page_name_const.dart

@@ -48,4 +48,5 @@ class PageName {
   static const ANIM_FADE_TRANS = "FadeTranstion";
   static const ANIM_POSITION_TRANS = "PositionTransition";
   static const ANIM_ROTATION = "RotationTransition";
+  static const ANIM_DEFAULT_TEXT = "DefaultText";
 }

lib/main.dart

@@ -62,6 +62,7 @@ class FlutterOpenApp extends StatelessWidget {
         PageName.ANIM_FADE_TRANS: (context) => FadeTransitionPage(),
         PageName.ANIM_POSITION_TRANS: (context) => PositionTransitionPage(),
         PageName.ANIM_ROTATION: (context) => RotationPage(),
+        PageName.ANIM_DEFAULT_TEXT: (context) => DefaultTextPage(),
       },
     );
   }

lib/page/anim/DefaultTextPage.dart

@@ -0,0 +1,55 @@
+///
+/// Created by NieBin on 2019/6/9
+/// Github: https://github.com/nb312
+/// Email: [email protected]
+///
+import "package:flutter/material.dart";
+import 'package:flutter_widgets/const/_const.dart';
+
+class DefaultTextPage extends StatefulWidget {
+  @override
+  DefaultState createState() => DefaultState();
+}
+
+class DefaultState extends State<DefaultTextPage> {
+  Color _color = RED_LIGHT;
+
+  Widget _defaultText() => Column(
+        children: <Widget>[
+          AnimatedDefaultTextStyle(
+            child: Text(
+              "Default Text",
+              style: TextStyle(fontSize: 20),
+            ),
+            style: TextStyle(color: _color),
+            duration: Duration(seconds: 1),
+          ),
+          FloatingActionButton(
+            child: Text("Click"),
+            onPressed: () {
+              setState(() {
+                if (_color == RED_LIGHT) {
+                  _color = BLUE_DEEP;
+                } else {
+                  _color = RED_LIGHT;
+                }
+              });
+            },
+          )
+        ],
+      );
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        title: Text(PageName.ANIM_DEFAULT_TEXT),
+      ),
+      body: Column(
+        children: <Widget>[
+          _defaultText(),
+        ],
+      ),
+    );
+  }
+}

lib/page/anim/_anim.dart

@@ -9,3 +9,4 @@ export 'HeroPage.dart';
 export 'FadeTransitionPage.dart';
 export 'PositionTransitionPage.dart';
 export 'RotationPage.dart';
+export 'DefaultTextPage.dart';