modify some description

lib/widgets/elements/Frame/Spacing/AnimatedPadding/index.dart

@@ -0,0 +1,43 @@
+/*
+ * @Author: 一凨 
+ * @Date: 2018-11-28 20:44:13 
+ * @Last Modified by: 一凨
+ * @Last Modified time: 2018-11-28 20:51:20
+ */
+import 'package:flutter/material.dart';
+import '../../../../../common/widget_demo.dart';
+import './animatedPadding_demo.dart';
+
+const contentDesc0 = '''
+### **简介**
+> 属于Flutter动画成员的一部分
+''';
+
+const contentDesc1 = '''
+### **基本用法**
+> 动画版本的Padding
+- 在给定的时间内，自动完成转换缩进到给定的padding值
+- 通过设置curve 来指定动画的运行速率动画
+''';
+
+class Demo extends StatefulWidget {
+  static const String routeName = '/element/Frame/spacing/AnimatedPadding';
+  _DemoState createState() => _DemoState();
+}
+
+class _DemoState extends State<Demo> {
+  @override
+  Widget build(BuildContext context) {
+    return WidgetDemo(
+      title: 'AnimatedPadding',
+      contentList: [
+        contentDesc0,
+        contentDesc1,
+        AnimatedPaddingDemo(),
+      ],
+      docUrl:
+          'https://docs.flutter.io/flutter/widgets/AnimatedPadding-class.html',
+      codeUrl: 'elements/Frame/spacing/AnimatedPadding/animatedPadding_demo.dart',
+    );
+  }
+}