容器类组件提交

lib/dingbaojie/FirstDay/DbjMain.dart

+import 'package:flutter/material.dart';
+import 'DecoratedBoxDemo.dart';
+import 'PaddingDemo.dart';
+import 'SizelimitedDemo.dart';
+import 'TransformDemo.dart';
+
+class DbjMain extends StatefulWidget {
+
+  @override
+  _FirstState createState() => _FirstState();
+}
+
+class _FirstState extends State<DbjMain> {
+
+  @override
+  Widget build(BuildContext context) {
+
+
+    return Scaffold(
+        appBar:
+        AppBar(title: Text('容器类组件'), automaticallyImplyLeading: false,centerTitle: true,),
+        body: SingleChildScrollView(
+          padding: EdgeInsets.all(24.0),
+          child: Column(
+            mainAxisAlignment: MainAxisAlignment.start,
+            children: <Widget>[
+              RaisedButton(
+                child: Text("填充组件"),
+                onPressed: () {
+                  Navigator.push(
+                    context,
+                    new MaterialPageRoute(builder: (context) => new PaddingDemo()),
+                  );
+                },
+              ),
+              RaisedButton(
+                child: Text("尺寸限制类容器"),
+                onPressed: () {
+                  Navigator.push(
+                    context,
+                    new MaterialPageRoute(builder: (context) => new SizelimitedDemo()),
+                  );
+                },
+              ),
+              RaisedButton(
+                child: Text("装饰容器"),
+                onPressed: () {
+                  Navigator.push(
+                    context,
+                    new MaterialPageRoute(builder: (context) => new DecoratedBoxDemo()),
+                  );
+                },
+              ),
+              RaisedButton(
+                child: Text("变换"),
+                onPressed: () {
+                  Navigator.push(
+                    context,
+                    new MaterialPageRoute(builder: (context) => new TransformDemo()),
+                  );
+                },
+              ),
+            ],
+          ),
+
+        )
+
+
+    );
+
+  }
+}

lib/dingbaojie/FirstDay/PaddingDemo.dart

@@ -44,33 +44,6 @@ class PaddingDemo extends StatelessWidget{
                   padding: const EdgeInsets.all(30),
                   child: Text("EdgeInsets.all"),
                 ),
-                RaisedButton(
-                  child: Text("尺寸限制类容器"),
-                  onPressed: () {
-                    Navigator.push(
-                      context,
-                      new MaterialPageRoute(builder: (context) => new SizelimitedDemo()),
-                    );
-                  },
-                ),
-                RaisedButton(
-                  child: Text("装饰容器"),
-                  onPressed: () {
-                    Navigator.push(
-                      context,
-                      new MaterialPageRoute(builder: (context) => new DecoratedBoxDemo()),
-                    );
-                  },
-                ),
-                RaisedButton(
-                  child: Text("变换"),
-                  onPressed: () {
-                    Navigator.push(
-                      context,
-                      new MaterialPageRoute(builder: (context) => new TransformDemo()),
-                    );
-                  },
-                ),
               ],
             ),
           )

lib/dingbaojie/FirstDay/SizelimitedDemo.dart

@@ -45,15 +45,7 @@ class SizelimitedDemo extends StatelessWidget{
                 )
             ),
           ),
-          RaisedButton(
-            child: Text("变换"),
-            onPressed: () {
-              Navigator.push(
-                context,
-                new MaterialPageRoute(builder: (context) => new TransformDemo()),
-              );
-            },
-          ),
+
         ],
       )
     );

lib/main.dart

@@ -2,7 +2,7 @@ import 'package:flutter/material.dart';
 import 'package:flutterpro/router_path.dart';
 import 'package:flutterpro/yangjunlei/yangjunlei.dart';
 
-import 'dingbaojie/FirstDay/PaddingDemo.dart';
+import 'dingbaojie/FirstDay/DbjMain.dart';
 import 'jiexifeng/jiexifeng.dart';
 import 'liangjialin/liangjialin.dart';
 
@@ -42,7 +42,7 @@ class MyAppBody extends StatelessWidget {
                 Navigator.push(
                     context,
                     MaterialPageRoute(
-                      builder: (context) => PaddingDemo(),
+                      builder: (context) => DbjMain(),
                     ));
               },
               child: Text("丁保杰"),